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Electronic Code of Federal Regulations

e-CFR Data is current as of April 17, 2014

Title 40: Protection of Environment


PART 420—IRON AND STEEL MANUFACTURING POINT SOURCE CATEGORY


Contents

General Provisions

§420.01   Applicability.
§420.02   General definitions.
§420.03   Alternative effluent limitations representing the degree of effluent reduction attainable by the application of best practicable control technology currently available, best available technology economically achievable, best available demonstrated control technology, and best conventional pollutant control technology (the “water bubble”).
§420.04   Calculation of pretreatment standards.
§420.05   Pretreatment standards compliance date.
§420.06   Removal credits for phenols (4AAP).
§420.07   Effluent limitations guidelines and standards for pH.
§420.08   Non-process wastewater and storm water.

Subpart A—Cokemaking Subcategory

§420.10   Applicability.
§420.11   Specialized definitions.
§420.12   Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).
§420.13   Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).
§420.14   New source performance standards (NSPS).
§420.15   Pretreatment standards for existing sources (PSES).
§420.16   Pretreatment standards for new sources (PSNS).
§420.17   Effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional technology (BCT).
§420.18   Pretreatment standards compliance dates.

Subpart B—Sintering Subcategory

§420.20   Applicability; description of the sintering subcategory.
§420.21   Specialized definitions.
§420.22   Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).
§420.23   Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).
§420.24   New source performance standards (NSPS).
§420.25   Pretreatment standards for existing sources (PSES).
§420.26   Pretreatment standards for new sources (PSNS).
§420.27   [Reserved]
§420.28   Pretreatment standards compliance dates.
§420.29   Point of compliance monitoring.

Subpart C—Ironmaking Subcategory

§420.30   Applicability; description of the ironmaking subcategory.
§420.31   Specialized definitions.
§420.32   Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).
§420.33   Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).
§420.34   New source performance standards (NSPS).
§420.35   Pretreatment standards for existing sources (PSES).
§420.36   Pretreatment standards for new sources (PSNS).
§420.37   [Reserved]

Subpart D—Steelmaking Subcategory

§420.40   Applicability; description of the steelmaking subcategory.
§420.41   Specialized definitions.
§420.42   Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).
§420.43   Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).
§420.44   New source performance standards (NSPS).
§420.45   Pretreatment standards for existing sources (PSES).
§420.46   Pretreatment standards for new sources (PSNS).
§420.47   Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology (BCT).
§420.48   Pretreatment standards compliance dates.

Subpart E—Vacuum Degassing Subcategory

§420.50   Applicability; description of the vacuum degassing subcategory.
§420.51   [Reserved]
§420.52   Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).
§420.53   Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).
§420.54   New source performance standards (NSPS).
§420.55   Pretreatment standards for existing sources (PSES).
§420.56   Pretreatment standards for new sources (PSNS).
§420.57   [Reserved]

Subpart F—Continuous Casting Subcategory

§420.60   Applicability; description of the continuous casting subcategory.
§420.61   [Reserved]
§420.62   Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).
§420.63   Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).
§420.64   New source performance standards (NSPS).
§420.65   Pretreatment standards for existing sources (PSES).
§420.66   Pretreatment standards for new sources (PSNS).
§420.67   [Reserved]

Subpart G—Hot Forming Subcategory

§420.70   Applicability; description of the hot forming subcategory.
§420.71   Specialized definitions.
§420.72   Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).
§420.73   Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).
§420.74   New source performance standards (NSPS).
§420.75   Pretreatment standards for existing sources (PSES).
§420.76   Pretreatment standards for new sources (PSNS).
§420.77   Effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional technology (BCT).

Subpart H—Salt Bath Descaling Subcategory

§420.80   Applicability; description of the salt bath descaling subcategory.
§420.81   Specialized definitions.
§420.82   Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).
§420.83   Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).
§420.84   New source performance standards (NSPS).
§420.85   Pretreatment standards for existing sources (PSES).
§420.86   Pretreatment standards for new sources (PSNS).
§420.87   Effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional technology (BCT).

Subpart I—Acid Pickling Subcategory

§420.90   Applicability; description of the acid pickling subcategory.
§420.91   Specialized definitions.
§420.92   Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).
§420.93   Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).
§420.94   New source performance standards (NSPS).
§420.95   Pretreatment standards for existing sources (PSES).
§420.96   Pretreatment standards for new sources (PSNS).
§420.97   Effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional technology (BCT).

Subpart J—Cold Forming Subcategory

§420.100   Applicability; description of the cold forming subcategory.
§420.101   Specialized definitions.
§420.102   Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).
§420.103   Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).
§420.104   New source performance standards (NSPS).
§420.105   Pretreatment standards for existing sources (PSES).
§420.106   Pretreatment standards for new sources (PSNS).
§420.107   Effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional technology (BCT).

Subpart K—Alkaline Cleaning Subcategory

§420.110   Applicability; description of the alkaline cleaning subcategory.
§420.111   Specialized definitions.
§420.112   Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).
§420.113   Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).
§420.114   New source performance standards (NSPS).
§420.115   Pretreatment standards for existing sources (PSES).
§420.116   Pretreatment standards for new sources (PSNS).
§420.117   Effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional technology (BCT).

Subpart L—Hot Coating Subcategory

§420.120   Applicability; description of the hot coating subcategory.
§420.121   Specialized definitions.
§420.122   Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).
§420.123   Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).
§420.124   New source performance standards (NSPS).
§420.125   Pretreatment standards for existing sources (PSES).
§420.126   Pretreatment standards for new sources (PSNS).
§420.127   Effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional technology (BCT).

Subpart M—Other Operations Subcategory

§420.130   Applicability.
§420.131   Specialized definitions.
§420.132   Effluent limitations attainable by the application of the best practicable control technology currently available (BPT).
§420.133   Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).
§420.134   New source performance standards (NSPS).
§420.135   Pretreatment standards for existing sources (PSES).
§420.136   Pretreatment standards for new sources (PSNS).
§420.137   Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best control technology for conventional pollutants (BCT).

Authority: 33 U.S.C. 1311, 1314, 1316, 1317, 1318, 1342, and 1361.

Source: 47 FR 23284, May 27, 1982, unless otherwise noted.

General Provisions

§420.01   Applicability.

(a) The provisions of this part apply to discharges and to the introduction of pollutants into a publicly owned treatment works resulting from production operations in the Iron and Steel Point Source Category.

(b) Central Treatment Facilities. (1) The following central treatment facilities presently discharging through the specified outfall are temporarily excluded from the provisions of this part, provided, the owner or operator of the facility requests the Agency to consider establishing alternative effluent limitations and provides the Agency with the information set out in paragraph (b)(2) of this section, on or before July 26, 1982.

PlantNPDES permit No.Central treatment facility
1. Armco Steel, Ashland, KYKY 0000485Total Plant.
2. Bethlehem Steel, Sparrows Point, MDMD 0001201Humphrey's Creek Outfall 014.
3. Bethlehem Steel, Burns Harbor, ININ 0000175Total Plant.
4. Ford Motor Co., Dearborn, MIMI 0003361Schaefer Road Treatment Plant.
5. Interlake, Inc.,1 Riverdale, ILIL 0002119Discharge to POTW.
6. J&L Steel, Aliquippa, PAPA 0006131Chemical Rinse Treatment Plant Outfall 018.
7. J&L Steel, Cleveland, OHOH 0000850Hot Forming and Finishing Treatment Plant.
8. J&L Steel, Hennepin, ILIL 0002631Total Plant.
9. J&L Steel, Louisville, OHOH 0007188Total Plant.
10. J&L Steel, East Chicago, ININ 0000205Terminal Treatment Plant.
11. Laclede Steel, Alton, ILIL 0000612Total Plant.
12. National Steel, Granite City, ILIL 0000329Total Plant.
13. National Steel, Portage, ININ 0000337Total Plant.
14. National Steel, Weirton, WVWV 0003336Outfall B.
15. Republic Steel, Gadsden, ALAL 0003522Total Plant.
16. Republic Steel,1 Chicago, IL 0002593IL. 0002593Discharge to POTW.
17. U.S. Steel, Lorain, OHOH 0001562Pipe Mill Lagoon.
18. U.S. Steel, Provo, UTUT 0000361Total Plant.
19. U.S. Steel, Fairless Hills, PAPA 0013463Terminal Treatment Plant.
20. U.S. Steel, Gary, ININ 0000281Terminal Lagoons.
21. U.S. Steel,1 Chicago, ILIL 0002691Discharge to POTW.

1The request for alternative effluent limitations for these plants are for indirect discharges to POTWs

(2) The information to be submitted with the request for consideration of alternative effluent limitations is to include:

(i) A schematic diagram of the existing wastewater treatment facility showing each source of wastewater, cooling water, and other waters entering the treatment facility; discharge and recycle flow rates for each water source and each major treatment component;

(ii) Existing monitoring data relating to discharges to and from the central treatment facility including pollutant concentrations, flows and mass loadings; As a minimum, monitoring data should be provided for a six month period of normal operation of the production and treatment facilities. The complete data as well as a data summary including the maximum, minimum, and mean gross discharge loadings and the standard deviation of the discharge loadings for each monitored pollutant should be provided. Any supplemental monitoring data for toxic pollutants should also be provided.

(iii) A scale map of the area of the plant served by the wastewater treatment facility, including the treatment facility and water supply and discharge points;

(iv) An estimate of the least costly investment required to meet the generally applicable limitations or standards for the facility and a description of such treatment system including schematic diagrams showing the major treatment system components and flow rates through the system. As a minimum, the cost estimates should be comprised of a single page summary for each water pollution control system showing estimated installed direct cost totals for mechanical equipment; piping and instrumentation; foundations and structural components; and, electrical components. Indirect costs for contingencies, overhead and profit, engineering fees, and any other indirect costs must be itemized separately. The sum of the direct and indirect costs which represents the owner's or operator's total estimate, must be shown.

(v) The effluent limitations or standards which could be achieved if the discharger were to spend an amount equal to the Agency's model treatment system cost estimate for the facility and the treatment facilities which would be used to meet those limitations or standards. Schematic diagrams and cost estimates as outlined in paragraph (b)(2)(iv) of this section, should be provided for each treatment system; and,

(vi) Production rates in tons per day for each process contributing wastewater to the central treatment facility consistent with those reported by the owner or operator in the NPDES permit application for the central treatment facility.

(3) The request described in subsection (b)(1) of this section, must be based upon the owner's or operator's belief that the cost of bringing the specified central treatment facilities into compliance with the provisions of this part would require expenditures so high compared to the Agency's model treatment system cost estimate applicable to that facility that the applicable limitations or standards would not represent BPT, BAT, BCT, or PSES, as the case may be, for the facility.

[47 FR 23284, May 27, 1982, as amended at 47 FR 41739, Sept. 22, 1982]

§420.02   General definitions.

In addition to the definitions set forth in 40 CFR part 401, the following definitions apply to this part:

(a) The term TSS (or total suspended solids, or total suspended residue) means the value obtained by the method specified in 40 CFR 136.3.

(b) The term oil and grease (or O&G) means the value obtained by the method specified in 40 CFR 136.3.

(c) The term ammonia-N (or ammonia-nitrogen) means the value obtained by manual distillation (at pH 9.5) followed by the Nesslerization method specified in 40 CFR 136.3.

(d) The term cyanide means total cyanide and is determined by the method specified in 40 CFR 136.3.

(e) The term phenols 4AAP (or phenolic compounds) means the value obtained by the method specified in 40 CFR 136.3.

(f) The term TRC (or total residual chlorine) means the value obtained by the iodometric titration with an amperometric endpoint method specified in 40 CFR 136.3.

(g) The term chromium means total chromium and is determined by the method specified in 40 CFR 136.3.

(h) The term hexavalent chromium (or chromium VI) means the value obtained by the method specified in 40 CFR 136.3.

(i) The term copper means total copper and is determined by the method specified in 40 CFR 136.3.

(j) The term lead means total lead and is determined by the method specified in 40 CFR 136.3.

(k) The term nickel means total nickel and is determined by the method specified in 40 CFR 136.3.

(l) The term zinc means total zinc and is determined by the method specified in 40 CFR 136.3.

(m) The term benzene (or priority pollutant No. 4) means the value obtained by the standard method Number 602 specified in 44 FR 69464, 69570 (December 3, 1979).

(n) The term benzo(a)pyrene (or priority pollutant No. 73) means the value obtained by the standard method Number 610 specified in 44 FR 69464, 69570 (December 3, 1979).

(o) The term naphthalene (or priority pollutant No. 55) means the value obtained by the standard method Number 610 specified in 44 FR 69464, 69571 (December 3, 1979).

(p) The term tetrachloroethylene (or priority pollutant No. 85) means the value obtained by the standard method Number 610 specified in 44 FR 69464, 69571 (December 3, 1979).

(q) The term pH means the value obtained by the standard method specified in 40 CFR 136.3.

(r) The term non-process wastewaters means utility wastewaters (for example, water treatment residuals, boiler blowdown, and air pollution control wastewaters from heat recovery equipment); treated or untreated wastewaters from groundwater remediation systems; dewatering water for building foundations; and other wastewater streams not associated with a production process.

(s) The term nitrification means oxidation of ammonium salts to nitrites (via Nitrosomas bacteria) and the further oxidation of nitrite to nitrate via Nitrobacter bacteria. Nitrification can be accomplished in either:

(1) A single or two-stage activated sludge wastewater treatment system; or

(2) Wetlands specifically developed with a marsh/pond configuration and maintained for the express purpose of removing ammonia-N.

Indicators of nitrification capability are:

(1) Biological monitoring for ammonia oxidizing bacteria (AOB) and nitrite oxidizing bacteria (NOB) to determine if the nitrification is occurring; and

(2) Analysis of the nitrogen balance to determine if nitrifying bacteria reduce the amount of ammonia and increase the amount of nitrite and nitrate.

(t) The term storm water from the immediate process area means storm water that comes into contact with process equipment located outdoors, storm water collected in process area and bulk storage tank secondary containment structures, and storm water from wastewater treatment systems located outdoors, provided that it has the potential to become contaminated with process wastewater pollutants for the particular subcategory. Storm water from building roofs, plant roadways, and other storm waters that do not have the potential to become contaminated with process wastewater pollutants are not storm water from the immediate process area.

(u) The term 2,3,7,8-TCDF means 2,3,7,8-tetrachlorodibenzofuran.

[47 FR 23284, May 27, 1982, as amended at 67 FR 64260, Oct. 17, 2002]

§420.03   Alternative effluent limitations representing the degree of effluent reduction attainable by the application of best practicable control technology currently available, best available technology economically achievable, best available demonstrated control technology, and best conventional pollutant control technology (the “water bubble”).

(a) Except as provided in paragraphs (c) through (f) of this section, any existing or new direct discharging point source subject to this part may qualify for alternative effluent limitations to those specified in subparts A through M of this part, representing the degree of effluent reduction attainable by the application of best practicable control technology currently available (BPT), best available technology economically achievable (BAT), best conventional pollutant control technology (BCT), and best available demonstrated control technology (NSPS). The alternative effluent limitations for each pollutant are determined for a combination of outfalls by totaling the mass limitations allowed under subparts A through M of this part for each pollutant.

(b) The water bubble may be used to calculate alternative effluent limitations only for identical pollutants (e.g., lead for lead, not lead for zinc).

(c) [Reserved]

(d) A discharger cannot qualify for alternative effluent limitations if the application of such alternative effluent limitations would cause or contribute to an exceedance of any applicable water quality standards.

(e) Each outfall from which process wastewaters are discharged must have specific, fixed effluent limitations for each pollutant limited by the applicable subparts A through M of this part.

(f) Subcategory-specific restrictions:(1) There shall be no alternate effluent limitations for cokemaking process wastewater unless the alternative limitations are more stringent than the limitations in Subpart A of this part.

(2) There shall be no alternate effluent limitations for 2,3,7,8-TCDF in sintering process wastewater.

(3) There shall be no alternate effluent limitations for O&G in sintering process wastewater unless the alternative limitations are more stringent than the otherwise applicable limitations in subpart B of this part.

[67 FR 64261, Oct. 17, 2002, as amended at 70 FR 73623, Dec. 13, 2005]

§420.04   Calculation of pretreatment standards.

(a) Pretreatment standards shall be calculated for each operation using the applicable average rate of production reported by the owner or operator of the facility to the Control Authority in accordance with 40 CFR 403.12(b)(3).

(b) The average rate of production reported by the owner or operator in accordance with 40 CFR 403.12(b)(3) shall be based not upon the design production capacity but rather upon a reasonable measure of actual production of the facility, such as the production during the high month of the previous year, or the monthly average for the highest of the previous 5 years. For new sources or new dischargers, actual production shall be estimated using projected production.

(c) If, due to a change of circumstances, the average rate of production for an operation reported by the owner or operator of the facility to the Control Authority in accordance with 40 CFR 403.12(b)(3) does not represent a reasonable measure of actual production of that operation, the owner or operator must submit to the Control Authority a modified average rate of production.

[49 FR 21029, May 17, 1984; 49 FR 24726, June 15, 1984; 49 FR 25634, June 22, 1984]

§420.05   Pretreatment standards compliance date.

The final compliance date for the categorical pretreatment standards set forth in 40 CFR part 420 is July 10, 1985.

[48 FR 46943, Oct. 14, 1983]

§420.06   Removal credits for phenols (4AAP).

Removal allowances pursuant to 40 CFR 403.7(a)(1) may be granted for phenols (4AAP) limited in 40 CFR part 420 when used as an indicator or surrogate pollutant.

[49 FR 21029, May 17, 1984]

§420.07   Effluent limitations guidelines and standards for pH.

(a) The pH level in process wastewaters subject to a subpart within this part shall be within the range of 6.0 to 9.0.

(b) The pH level shall be monitored at the point of discharge to the receiving water or at the point at which the wastewater leaves the wastewater treatment facility operated to treat effluent subject to that subpart.

[67 FR 64261, Oct. 17, 2002]

§420.08   Non-process wastewater and storm water.

Permit and pretreatment control authorities may provide for increased loadings for non-process wastewaters defined at §420.02 and for storm water from the immediate process area in NPDES permits and pretreatment control mechanisms using best professional judgment, but only to the extent such non-process wastewaters result in an increased flow.

[67 FR 64261, Oct. 17, 2002]

Subpart A—Cokemaking Subcategory

§420.10   Applicability.

The provisions of this subpart are applicable to discharges and the introduction of pollutants into publicly owned treatment works resulting from by-product and other cokemaking operations.

[67 FR 64261, Oct. 17, 2002]

§420.11   Specialized definitions.

(a) For the cokemaking subcategory, the term product means the production of coke plus coke breeze.

(b) The term by-product cokemaking means operations in which coal is heated in the absence of air to produce metallurgical coke (furnace coke and foundry coke), and the recovery of by-products derived from the gases and liquids that are driven from the coal during cokemaking.

(c) The term cokemaking—non-recovery means cokemaking operations for production of metallurgical coke (furnace coke and foundry coke) without recovery of by-products. Does not include co-generation facilities located at non-recovery coke facilities.

(d) The term coke means a processed form of coal that serves as the basic fuel for the smelting of iron ore.

(1) The term foundry coke means coke produced for foundry operations.

(2) The term furnace coke means coke produced for blast furnace operations

(e) The term merchant coke plant means by-product cokemaking operations that provide more than fifty percent of the coke produced to operations, industries, or processes other than ironmaking blast furnaces associated with steel production.

(f) The term iron and steel coke plant means by-product cokemaking operations other than those at merchant coke plants.

(g) The term coke oven gas wet desulfurization system means those systems that remove sulfur and sulfur compounds from coke oven gas and generate process wastewater.

(h) The term coke breeze means fine coke particles.

(i) The term indirect ammonia recovery system means those systems that recover ammonium hydroxide as a by-product from coke oven gases and waste ammonia liquors.

(j) The term iron and steel means those by-product cokemaking operations other than merchant cokemaking operations.

(k) The term merchant means those by-product cokemaking operations that provide more than fifty percent of the coke produced to operations, industries, or processes other than ironmaking blast furnaces associated with steel production.

(l) The term O&G (as HEM) means total recoverable oil and grease measured as n-hexane extractable material.

(m) The term wet desulfurization system means those systems that remove sulfur compounds from coke oven gases and produce a contaminated process wastewater.

[67 FR 64261, Oct. 17, 2002]

§420.12   Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).

Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.

(a) By-product cokemaking—iron and steel.

Subpart A

Pollutant or pollutant propertyBPT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.2530.131
O&G0.03270.0109
Ammonia-N0.2740.0912
Cyanide0.06570.0219
Phenols (4AAP)0.004510.00150
pH(1)(1)

1Within the range of 6.0 to 9.0.

(1) Increased loadings, not to exceed 11 percent of the above limitations, are allowed for by-product coke plants which have wet desulfurization systems but only to the extent such systems generate an increased effluent volume.

(2) Increased loadings, not to exceed 27 percent of the above limitations, are allowed for by-product coke plants which include indirect ammonia recovery systems but only to the extent that such systems generate an increased effluent volume.

(b) By-product cokemaking—merchant.

Subpart A

Pollutant or pollutant propertyBPT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.2700.140
O&G0.03490.0116
Ammonia-N0.2920.0973
Cyanide0.07010.0234
Phenols (4AAP)0.004810.00160
pH(1)(1)

1Within the range of 6.0 to 9.0.

(1) Increased loadings, not to exceed 10 percent of the above limitations, are allowed for by-product coke plants which have wet desulfurization systems but only to the extent such systems generate an increased effluent volume.

(2) Increased loadings, not to exceed 25 percent of the above limitations, are allowed for by-product coke plants which include indirect ammonia recovery systems but only to the extent that such systems generate an increased effluent volume.

(c) Cokemaking—non-recovery. Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this segment must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT): There shall be no discharge of process wastewater pollutants to waters of the U.S.

[47 FR 23284, May 27, 1982, as amended at 67 FR 64262, Oct. 17, 2002]

§420.13   Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).

Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT):

(a) By-product cokemaking.

Subpart A—Effluent Limitations (BAT)

Regulated parameterMaximum daily1Maximum monthly avg.1
Ammonia-N0.002930.00202
Benzo(a)pyrene0.00001100.00000612
Cyanide0.002970.00208
Naphthalene0.00001110.00000616
Phenols (4AAP)0.00003810.0000238

1Pounds per thousand lb of product.

(1) Increased loadings, not to exceed 13.3 per cent of the above limitations, shall be provided for process wastewaters from coke oven gas wet desulfurization systems, but only to the extent such systems generate process wastewaters.

(2) Increased loadings shall be provided for process wastewaters from other wet air pollution control systems (except those from coal charging and coke pushing emission controls), coal tar processing operations and coke plant groundwater remediation systems, but only to the extent such systems generate process wastewaters and those wastewaters are co-treated with process wastewaters from by-product cokemaking wastewaters.

(3) Increased loadings, not to exceed 44.2 percent of the above limitations, shall be provided for water used for the optimization of coke plant biological treatment systems.

(b) Cokemaking—non-recovery. There shall be no discharge of process wastewater pollutants to waters of the U.S.

[67 FR 64262, Oct. 17, 2002]

§420.14   New source performance standards (NSPS).

New sources subject to this subpart must achieve the following new source performance standards (NSPS), as applicable.

(a) By-product cokemaking. (1) Any new source subject to the provisions of this section that commenced discharging after November 18, 1992, and before November 18, 2002, must continue to achieve the standards specified in §420.14 of title 40 of the Code of Federal Regulations, revised as of July 1, 2001, except as provided below. For toxic and nonconventional pollutants, those standards shall apply until the expiration of the applicable time period specified in 40 CFR 122.29(d)(1); thereafter, the source must achieve the effluent limitations specified in §420.13(a).

(2) The following standards apply with respect to each new source that commences construction after November 18, 2002:

Subpart A—New Source Performance Standards (NSPS)

Regulated parameterMaximum daily1Maximum monthly avg.1
Ammonia-N0.002930.00202
Benzo(a)pyrene0.00001100.00000612
Cyanide0.002970.00208
Naphthalene0.00001110.00000616
O&G (as HEM)0.006760.0037
pH2(2)(2)
Phenols (4AAP)0.00003810.0000238
TSS0.03430.0140

1Pounds per thousand lb of product.

2Within the range of 6.0 to 9.0.

(A) Increased loadings, not to exceed 13.3 per cent of the above limitations, shall be provided for process wastewaters from coke oven gas wet desulfurization systems, but only to the extent such systems generate process wastewaters.

(B) Increased loadings shall be provided for process wastewaters from other wet air pollution control systems (except those from coal charging and coke pushing emission controls), coal tar processing operations and coke plant groundwater remediation systems, but only to the extent such systems generate process wastewaters and those wastewaters are co-treated with process wastewaters from by-product cokemaking wastewaters.

(C) Increased loadings, not to exceed 44.2 percent of the above limitations, shall be provided for water used for the optimization of coke plant biological treatment systems.

(b) Cokemaking—non-recovery. There shall be no discharge of process wastewater pollutants to waters of the U.S.

[67 FR 64262, Oct. 17, 2002, as amended at 70 FR 73623, Dec. 13, 2005]

§420.15   Pretreatment standards for existing sources (PSES).

Except as provided in 40 CFR 403.7 and 403.13, any existing source subject to this subpart that introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and must achieve the following pretreatment standards for existing sources (PSES):

(a) By-product cokemaking.

Subpart A—Pretreatment Standards for Existing Sources (PSES)

Regulated parameterMaximum daily1Maximum monthly avg.1
Ammonia-N20.03330.0200
Cyanide0.007240.00506
Naphthalene0.00004720.0000392

1Pounds per thousand lb of product.

2The pretreatment standards for ammonia are not applicable to sources that discharge to a POTW with nitrification capability (defined at §420.02(s)).

(1) Increased loadings, not to exceed 13.3 per cent of the above limitations, shall be provided for process wastewaters from wet coke oven gas desulfurization systems, but only to the extent such systems generate process wastewaters.

(2) Increased loadings shall be provided for process wastewaters from other wet air pollution control systems (except those from coal charging and coke pushing emission controls), coal tar processing operations and coke plant groundwater remediation systems, but only to the extent such systems generate process wastewaters and those wastewaters are co-treated with process wastewaters from by-product cokemaking wastewaters.

(3) Increased loadings, not to exceed 44.2 percent of the above limitations, shall be provided for water used for the optimization of coke plant biological treatment systems.

(b) Cokemaking—non-recovery. There shall be no discharge of process wastewater pollutants to POTWs.

[67 FR 64263, Oct. 17, 2002]

§420.16   Pretreatment standards for new sources (PSNS).

Except as provided in 40 CFR 403.7, any new source subject to this subpart that introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and must achieve the following pretreatment standards for new sources (PSNS), as applicable.

(a) By-product cokemaking. (1) Any new source subject to the provisions of this section that commenced discharging after November 18, 1992 and before November 18, 2002 must continue to achieve the standards specified in §420.16 of title 40 of the Code of Federal Regulations, revised as of July 1, 2001, (except for the standards for phenols 4AAP) for ten years beginning on the date the source commenced discharge or during the period of depreciation or amortization of the facility, whichever comes first, after which the source must achieve the standards specified in §420.15(a).

(2) Except as provided in 40 CFR 403.7, the following standards apply with respect to each new source that commences construction after November 18, 2002:

Subpart A—Pretreatment Standards for New Sources (PSNS)

Regulated parameterMaximum daily1Maximum monthly avg.1
Ammonia-N20.002930.00202
Benzo(a)pyrene0.00001100.00000612
Cyanide0.002970.00208
Naphthalene0.00001110.00000616

1Pounds per thousand lb of product.

2The pretreatment standards for ammonia are not applicable to sources that discharge to a POTW with nitrification capability (defined at §420.02(s)).

(A) Increased loadings, not to exceed 13.3 percent of the above limitations, shall be provided for process wastewaters from coke oven gas wet desulfurization systems, but only to the extent such systems generate process wastewaters.

(B) Increased loadings shall be provided for process wastewaters from other wet air pollution control systems (except those from coal charging and coke pushing emission controls), coal tar processing operations and coke plant groundwater remediation systems, but only to the extent such systems generate process wastewaters and those wastewaters are co-treated with process wastewaters from by-product cokemaking wastewaters.

(C) Increased loadings, not to exceed 44.2 percent of the above limitations, shall be provided for water used for the optimization of coke plant biological treatment systems.

(b) Cokemaking—non-recovery. Except as provided in 40 CFR 403.7, the following standards apply with respect to each new source that commences construction after November 18, 2002: There shall be no discharge of process wastewater pollutants to POTWs.

[67 FR 64263, Oct. 17, 2002, as amended at 70 FR 73623, Dec. 13, 2005]

§420.17   Effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional technology (BCT).

Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional technology.

(a) By-product cokemaking—iron and steel.

Subpart A

Pollutant or pollutant propertyBCT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.2530.131
O&G0.03270.0109
pH(1)(1)

1Within the range of 6.0 to 9.0.

(1) Increased loadings, not to exceed 11 percent of the above limitations, are allowed for by-product coke plants which have wet desulfurization systems but only to the extent such systems generate an increased effluent volume.

(2) Increased loadings, not to exceed 27 percent of the above limitations, are allowed for by-product coke plants which include indirect ammonia recovery systems but only to the extent that such systems generate an increased effluent volume.

(b) By-product cokemaking—merchant.

Subpart A

Pollutant or pollutant propertyBCT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.2700.140
O&G0.03480.0116
pH(1)(1)

1Within the range of 6.0 to 9.0.

(1) Increased loadings, not to exceed 10 percent of the above limitations, are allowed for by-product coke plants which have wet desulfurization systems but only to the extent such systems generate an increased effluent volume.

(2) Increased loadings, not to exceed 25 percent of the above limitations, are allowed for by-product coke plants which include indirect ammonia recovery systems but only to the extent that such systems generate an increased effluent volume.

(c) Cokemaking—non-recovery. Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this segment must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology (BCT): There shall be no discharge of process wastewater pollutants to waters of the U.S.

[47 FR 23284, May 27, 1982, as amended at 67 FR 64264, Oct. 17, 2002]

§420.18   Pretreatment standards compliance dates.

Compliance with the pretreatment standards for existing sources set forth in §420.15 of this subpart is required not later than October 17, 2005 whether or not the pretreatment authority issues or amends a pretreatment permit requiring such compliance. Until that date, the pretreatment standards for existing sources set forth in Subpart A of title 40 of the Code of Federal Regulations, revised as of July 1, 2001, shall continue to apply.

[67 FR 64264, Oct. 17, 2002]

Subpart B—Sintering Subcategory

§420.20   Applicability; description of the sintering subcategory.

The provisions of this subpart are applicable to discharges and to the introduction of pollutants into publicly owned treatment works resulting from sintering operations conducted by the heating of iron bearing wastes (mill scale and dust from blast furnaces and steelmaking furnaces) together with fine iron ore, limestone, and coke fines in an ignition furnace to produce an agglomerate for charging to the blast furnace.

§420.21   Specialized definitions.

As used in this subpart:

(a) For the sintering subcategory, the term product means sinter agglomerated from iron-bearing materials.

(b) The term dry air pollution control system means an emission control system that utilizes filters to remove iron-bearing particles (fines) from blast furnace or sintering off-gases.

(c) The term minimum level (ML) means the level at which the analytical system gives recognizable signals and an acceptable calibration point. For 2,3,7,8-tetrachlorodibenzofuran, the minimum level is 10 pg/L per EPA Method 1613B for water and wastewater samples.

(d) The term pg/L means picograms per liter (ppt = 1.0×10-12 gm/L).

(e) The term sintering means a process for agglomerating iron-bearing materials into small pellets (sinter) that can be charged to a blast furnace.

(f) The term wet air pollution control system means an emission control system that utilizes water to clean process or furnace off-gases.

[67 FR 64264, Oct. 17, 2002]

§420.22   Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).

Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).

(a) Sintering operations with wet air pollution control system. The following table presents BPT limitations for sintering operations with wet air pollution control systems:

Subpart B—Effluent Limitations (BPT)

Pollutants or pollutant propertyBPT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
   Kg/kkg (pounds per 1000 lb) of product
TSS0.07510.0250
O&G0.01500.00501
pH(1)(1)

1Within the range of 6.0 to 9.0.

(b) Sintering operations with dry air pollution control system. There shall be no discharge of process wastewater pollutants to waters of the U.S.

[67 FR 64264, Oct. 17, 2002]

§420.23   Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).

Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best available control technology economically achievable (BAT).

(a) Sintering operations with wet air pollution control system. The following table presents BAT limitations for sintering operations with wet air pollution control systems:

Subpart B—Effluent Limitations (BAT)

Regulated parameterMaximum daily1Maximum monthly avg.1
Ammonia-N20.01500.00501
Cyanide20.003000.00150
Lead0.0004510.000150
Phenols (4AAP)20.0001000.0000501
2,3,7,8-TCDF<ML
TRC30.000250
Zinc0.0006760.000225

1Pounds per thousand lb of product.

2Limits for these parameters apply only when sintering waste water is co-treated with ironmaking wastewater.

3Applicable only when sintering process wastewater is chlorinated.

(b) Sintering operations with dry air pollution control system. There shall be no discharge of process wastewater pollutants to waters of the U.S.

[67 FR 64264, Oct. 17, 2002]

§420.24   New source performance standards (NSPS).

New sources subject to this subpart must achieve the following new source performance standards (NSPS), as applicable.

(a) Any new source subject to the provisions of this section that commenced discharging after November 18, 1992 and before November 18, 2002 must continue to achieve the applicable standards specified in §420.24 of title 40 of the Code of Federal Regulations, revised as of July 1, 2001, except that after the expiration of the applicable time period specified in 40 CFR 122.29(d)(1), the source must also achieve the effluent limitations specified in §420.23 for 2,3,7,8-TCDF.

(b) The following standards apply with respect to each new source that commences construction after November 18, 2002.

(1) Sintering operations with wet air pollution control system. The following table presents NSPS for sintering operations with wet air pollution control systems:

Subpart B—New Source Performance Standards (NSPS)

Regulated parameterMaximum daily1Maximum monthly avg.1
TSS0.02000.00751
O&G0.00501
Ammonia-N20.01500.00501
Cyanide20.001000.000501
Phenols (4AAP)20.0001000.0000501
TRC30.000250
Lead0.0004510.000150
Zinc0.0006760.000225
pH(4)(4)
2,3,7,8-TCDF<ML

1Pounds per thousand lb of product.

2Limits for these parameters apply only when sintering wastewater is co-treated with ironmaking wastewater.

3Applicable only when sintering process wastewater is chlorinated.

4Within the range of 6.0 to 9.0.

(2) Sintering operations with dry air pollution control system. There shall be no discharge of process wastewater pollutants to waters of the U.S.

[67 FR 64265, Oct. 17, 2002, as amended at 70 FR 73623, Dec. 13, 2005]

§420.25   Pretreatment standards for existing sources (PSES).

Except as provided in 40 CFR 403.7 and 403.13, any existing source subject to this subpart that introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and must achieve the following pretreatment standards for existing sources (PSES):

(a) Sintering operations with wet air pollution control system. The following table presents PSES for sintering operations with wet air pollution control systems:

Subpart B—Pretreatment Standards for Existing Sources (PSES)

Regulated parameterMaximum daily1Maximum monthly avg.1
Ammonia-N2 30.01500.00501
Cyanide20.003000.00150
Phenols (4AAP)20.0001000.0000501
Lead0.0004510.000150
Zinc0.0006760.000225
2,3,7,8-TCDF<ML

1Pounds per thousand lb of product.

2The pretreatment standards for these parameters apply only when sintering wastewater is co-treated with ironmaking wastewater.

3The pretreatment standards for ammonia are not applicable to sources that discharge to a POTW with nitrification capability (defined at §420.02(s)).

(b) Sintering operations with dry air pollution control system. There shall be no discharge of process wastewater pollutants to POTWs.

[67 FR 64265, Oct. 17, 2002]

§420.26   Pretreatment standards for new sources (PSNS).

Except as provided in 40 CFR 403.7, any new source subject to this subpart that introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and must achieve the following pretreatment standards for new sources (PSNS), as applicable.

(a) Sintering operations with wet air pollution control system.

(1) Any new source subject to the provisions of this section that commenced discharging after November 18, 1992 and before November 18, 2002 must continue to achieve the standards specified in §420.26 of title 40 of the Code of Federal Regulations, revised as of July 1, 2001, for ten years beginning on the date the source commenced discharge or during the period of depreciation or amortization of the facility, whichever comes first, after which the source must also achieve the pretreatment standard for 2,3,7,8-TCDF specified in §420.25.

(2) Except as provided in 40 CFR 403.7, the following standards apply with respect to each new source that commences construction after November 18, 2002: The following table presents PSNS for sintering operations with wet air pollution control systems:

Subpart B—Pretreatment Standards for New Sources (PSNS)

Regulated parameterMaximum daily1Maximum monthly avg.1
Ammonia-N2 30.01500.00501
Cyanide20.001000.000501
Phenols (4AAP)20.0001000.0000501
Lead0.0004510.000150
Zinc0.0006760.000225
2,3,7,8-TCDF<ML

1Pounds per thousand pound of product.

2The pretreatment standards for these parameters apply only when sintering wastewater is co-treated with ironmaking wastewater.

3The pretreatment standards for ammonia are not applicable to sources that discharge to a POTW with nitrification capability (defined at §420.02(s)).

(b) Sintering operations with dry air pollution control system. There shall be no discharge of process wastewater pollutants to POTWs.

[67 FR 64266, Oct. 17, 2002, as amended at 70 FR 73623, Dec. 13, 2005]

§420.27   [Reserved]

§420.28   Pretreatment standards compliance dates.

Compliance with the pretreatment standards for 2,3,7,8-TCDF for existing sources set forth in §420.25(a) is required not later than October 17, 2005 whether or not the pretreatment authority issues or amends a pretreatment permit requiring such compliance.

[67 FR 64266, Oct. 17, 2002]

§420.29   Point of compliance monitoring.

(a) Sintering Direct Dischargers. Pursuant to 40 CFR 122.44(i) and 122.45(h), a direct discharger must demonstrate compliance with the effluent limitations and standards for 2,3,7,8-TCDF at the point after treatment of sinter plant wastewater separately or in combination with blast furnace wastewater, but prior to mixing with process wastewaters from processes other than sintering and ironmaking, non-process wastewaters or non-contact cooling water, if such water(s) are in an amount greater than 5 percent by volume of the sintering process wastewaters.

(b) Sintering Indirect Dischargers. An indirect discharger must demonstrate compliance with the pretreatment standards for 2,3,7,8-TCDF by monitoring at the point after treatment of sinter plant wastewater separately or in combination with blast furnace wastewater, but prior to mixing with process wastewaters from processes other than sintering and ironmaking, non-process wastewaters and non-contact cooling water in an amount greater than 5 percent by volume of the sintering process wastewaters.

[67 FR 64266, Oct. 17, 2002]

Subpart C—Ironmaking Subcategory

§420.30   Applicability; description of the ironmaking subcategory.

The provisions of this subpart are applicable to discharges and to the introduction of pollutants into publicly owned treatment works resulting from ironmaking operations in which iron ore is reduced to molten iron in a blast furnace.

§420.31   Specialized definitions.

(a) For ironmaking blast furnaces, the term product means the amount of molten iron produced.

(b) The term molten iron means iron produced in a blast furnace as measured at the blast furnace, and may include relatively minor amounts of blast furnace slag that may be skimmed from the molten iron at the steelmaking shop or other location remote from the blast furnace.

(c) The term iron blast furnace means all blast furnaces except ferromanganese blast furnaces.

(d) The term existing indirect dischargers means only those two iron blast furnace operations with discharges to publicly owned treatment works prior to May 27, 1982.

[67 FR 64266, Oct. 17, 2002]

§420.32   Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).

Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.

(a) Iron blast furnace.

Subpart C

Pollutant or pollutant propertyBPT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.07820.0260
Ammonia-N0.1610.0537
Cyanide0.02340.00782
Phenols (4AAP)0.006260.00210
pH(1)(1)

1Within the range of 6.0 to 9.0.

(b) [Reserved]

[47 FR 23284, May 27, 1982; 47 FR 41739, Sept. 22, 1982, as amended at 67 FR 64266, Oct. 17, 2002]

§420.33   Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).

Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.

(a) Iron blast furnace.

Subpart C

Pollutant or pollutant propertyBAT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
Ammonia-N0.008760.00292
Cyanide0.001750.000876
Phenols (4AAP)0.00005840.0000292
TRC10.000146
Lead0.0002630.0000876
Zinc0.0003940.000131

1The limitation for TRC shall be applicable only when chlorination of ironmaking wastewaters is practiced.

(b) [Reserved]

[47 FR 23284, May 27, 1982; 47 FR 41739, Sept. 22, 1982, as amended at 49 FR 21030, May 17, 1984; 67 FR 64266, Oct. 17, 2002]

§420.34   New source performance standards (NSPS).

The discharge of wastewater pollutants from any new source subject to this subpart shall not exceed the standards set forth below.

(a) Iron blast furnace.

Subpart C

Pollutant or pollutant propertyNew source performance standards
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of products
TSS0.01170.00438
O&G0.00292
Ammonia-N0.008760.00292
Cyanide0.0005840.000292
Phenols (4AAP)0.00005840.0000292
TRC10.000146
Lead0.0002630.0000876
Zinc0.0003940.000131
pH  (2)  (2)

1The standards for TRC shall be applicable only when chlorination of ironmaking wastewaters is practiced.

2Within the range of 6.0 to 9.0.

(b) [Reserved]

[47 FR 23284, May 27, 1982; 47 FR 41739, Sept. 22, 1982, as amended at 49 FR 21030, May 17, 1984; 67 FR 64266, Oct. 17, 2002]

§420.35   Pretreatment standards for existing sources (PSES).

Except as provided in 40 CFR 403.7 and 403.13, any existing source subject to this subpart which introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for existing sources.

(a) Iron blast furnace.

Subpart C

Pollutant or pollutant propertyPretreatment standards for existing sources
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of products
Ammonia-N10.008760.00292
Cyanide0.001750.000876
Phenols (4AAP)0.00005840.0000292
Lead0.0002630.0000876
Zinc0.0003940.000131

1The pretreatment standards for ammonia are not applicable to sources that discharge to a POTW with nitrification capability (defined at 420.02(s)).

(b) [Reserved]

(c) Existing indirect dischargers.

Subpart C

Pollutant or pollutant propertyPretreatment standards for existing sources
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
Ammonia-N0.03500.0175
Cyanide0.001750.000876
Phenols (4AAP)0.0001750.0000584
Lead0.0002630.0000876
Zinc0.0003940.000131

[47 FR 23284, May 27, 1982, as amended at 49 FR 21030, May 17, 1984; 67 FR 64266, Oct. 17, 2002]

§420.36   Pretreatment standards for new sources (PSNS).

Except as provided in 40 CFR 403.7, any new source subject to this subpart which introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for new sources.

(a) Iron blast furnace.

Subpart C

Pollutant or pollutant propertyPretreatment standards for new sources
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
Ammonia-N10.008760.00292
Cyanide0.0005840.000292
Phenols (4AAP)0.00005840.0000292
Lead0.0002630.0000876
Zinc0.0003940.000131

1The pretreatment standards for ammonia are not applicable to sources that discharge to a POTW with nitrification capability (defined at §420.02 (s)).

(b) [Reserved]

[47 FR 23284, May 27, 1982, as amended at 49 FR 21030, May 17, 1984; 67 FR 64267, Oct. 17, 2002]

§420.37   [Reserved]

Subpart D—Steelmaking Subcategory

§420.40   Applicability; description of the steelmaking subcategory.

The provisions of this subpart are applicable to discharges and to the introduction of pollutants into publicly owned treatment works resulting from steelmaking operations conducted in basic oxygen and electric arc furnaces.

[67 FR 64267, Oct. 17, 2002]

§420.41   Specialized definitions.

(a) The term basic oxygen furnace steelmaking means the production of steel from molten iron, steel scrap, fluxes, and various combinations thereof, in refractory lined furnaces by adding oxygen.

(b) [Reserved]

(c) The term electric arc furnace steelmaking means the production of steel principally from steel scrap and fluxes in refractory lined furnaces by passing an electric current through the scrap or steel bath.

(d) The term wet means those steelmaking air cleaning systems that primarily use water for furnace gas cleaning.

(e) The term semi-wet means those steelmaking air cleaning systems that use water for the sole purpose of conditioning the temperature and humidity of furnace gases such that the gases may be cleaned in dry air pollution control systems.

(f) The term open combustion means those basic oxygen furnace steelmaking wet air cleaning systems which are designed to allow excess air to enter the air pollution control system for the purpose of combusting the carbon monoxide in furnace gases.

(g) The term suppressed combustion means those basic oxygen furnace steelmaking wet air cleaning systems which are designed to limit or suppress the combustion of carbon monoxide in furnace gases by restricting the amount of excess air entering the air pollution control system.

[47 FR 23284, May 27, 1982, as amended at 67 FR 64267, Oct. 17, 2002]

§420.42   Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).

Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.

(a) Electric arc furnace steelmaking—semi-wet. No discharge of process wastewater pollutants to navigable waters.

(b) Basic oxygen furnace steelmaking—wet-suppressed combustion.

Subpart D

Pollutant or pullutant propertyBPT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of Product
TSS0.03120.0104
pH(1)(1)

1Within the range of 6.0 to 9.0

(c) Basic oxygen furnace steelmaking—wet open combustion; and electric arc furnace steelmaking—wet.

Subpart D

Pollutant or pollutant propertyBPT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.06870.0229
pH(1)(1)

1Within the range of 6.0 to 9.0.

(d) Basic oxygen furnace steelmaking—semi-wet. (1) No discharge of process wastewater pollutants to navigable waters.

(2) If the permittee demonstrates to the satisfaction of the permitting authority that safety considerations prevent attainment of these limitations, the permitting authority may establish alternative limitations on a best professional judgment basis.

[47 FR 23284, May 27, 1982, as amended at 67 FR 64267, Oct. 17, 2002]

§420.43   Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).

Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.

(a) Electric arc furnace steelmaking—semi-wet. No discharge of process wastewater pollutants to navigable waters.

(b) Basic oxygen furnace steelmaking—wet-suppressed combustion.

Subpart D

Pollutant or pollutant propertyBAT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
Lead0.0001880.0000626
Zinc0.0002820.0000939

(c) Basic oxygen furnace steelmaking—wet open combustion; and electric arc furnace steelmaking—wet.

Subpart D

Pollutant or pollutant propertyBAT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
Lead0.0004130.000138
Zinc0.0006200.000207

(d) Basic oxygen furnace steelmaking—semi-wet.

(1) No discharge of process wastewater pollutants to navigable waters.

(2) If the permittee demonstrates to the satisfaction of the permitting authority that safety considerations prevent attainment of these limitations, the permitting authority may establish alternative limitations on a best professional judgment basis.

[47 FR 23284, May 27, 1982, as amended at 67 FR 64267, Oct. 17, 2002]

§420.44   New source performance standards (NSPS).

The discharge of wastewater pollutants from any new source subject to this subpart shall not exceed the standards set forth below.

(a) Basic oxygen furnace steelmaking—semi-wet; and electric arc furnace steelmaking—semi-wet. No discharge of process wastewater pollutants to navigable waters.

(b) Basic oxygen furnace steelmaking—wet-suppressed combustion.

Subpart D

Pollutant or pollutant propertyNew source performance standards
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.01460.00522
Lead0.0001880.0000626
Zinc0.0002820.0000939
pH(1)  (1)

1Within the range of 6.0 to 9.0.

(c) Basic oxygen furnace steelmaking—wet open combustion; and electric arc furnace steelmaking—wet.

Subpart D

Pollutant or pollutant propertyNew source performance standards
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.03210.0115
Lead0.0004130.000138
Zinc0.0006200.000207
pH(1)(1)

1Within the range of 6.0 to 9.0.

[47 FR 23284, May 27, 1982, as amended at 67 FR 64267, Oct. 17, 2002]

§420.45   Pretreatment standards for existing sources (PSES).

Except as provided in 40 CFR 403.7 and 403.13, any existing source subject to this subpart which introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for existing sources.

(a) Electric arc furnace steelmaking—semi-wet. No discharge of process wastewater pollutants to navigable waters.

(b) Basic oxygen furnace steelmaking—wet-suppressed combustion.

Subpart D

Pollutant or pollutant propertyPretreatment standards for existing sources
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
Lead0.0001880.0000626
Zinc0.0002820.0000939

(c) Basic oxygen furnace steelmaking—wet open combustion; and electric arc furnace steelmaking—wet.

Subpart D

Pollutant or pollutant propertyPretreatment standards for existing sources
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
Lead0.0004130.000138
Zinc0.0006200.000207

(d) Basic oxygen furnace steelmaking—semi-wet. (1) No discharge of process wastewater pollutants to navigable waters.

(2) If the permittee demonstrates to the satisfaction of the pretreatment control authority that safety considerations prevent attainment of these limitations, the pretreatment control authority may establish alternative limitations on a best professional judgment basis.

[47 FR 23284, May 27, 1982, as amended at 67 FR 64267, Oct. 17, 2002]

§420.46   Pretreatment standards for new sources (PSNS).

Except as provided in 40 CFR 403.7, any new source subject to this subpart which introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for new sources.

(a) Basic oxygen furnace steelmaking—semi-wet; and electric arc furnace steelmaking—semi-wet. No discharge of process wastewater pollutants to navigable waters.

(b) Basic oxygen furnace steelmaking—wet-suppressed combustion.

Subpart D

Pollutant or pollutant propertyPretreatment standards for new sources
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
Lead0.0001880.0000626
Zinc0.0002820.0000939

(c) Basic oxygen furnace steelmaking—wet—open combustion; electric arc furnace steelmaking—wet.

Subpart D

Pollutant or pollutant propertyPretreatment standards for new sources
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
Lead0.0004130.000138
Zinc0.0006200.000207

[47 FR 23284, May 27, 1982, as amended at 47 FR 41739, Sept. 22, 1982; 67 FR 64268, Oct. 17, 2002]

§420.47   Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology (BCT).

(a) Electric arc furnace steelmaking—semi-wet. No discharge of process wastewater pollutants to navigable waters.

(b) Basic oxygen furnace steelmaking—wet-suppressed combustion. [Reserved]

(c) Basic oxygen furnace steelmaking—wet—open combustion; electric arc furnace steelmaking—wet. [Reserved]

(d) Basic oxygen furnace steelmaking—semi-wet.

(1) No discharge of process wastewater pollutants to navigable waters.

(2) If the permittee demonstrates to the satisfaction of the permitting authority that safety considerations prevent attainment of these limitations, the permitting authority may establish alternative limitations on a best professional judgment basis.

[47 FR 23284, May 27, 1982, as amended at 67 FR 64268, Oct. 17, 2002]

§420.48   Pretreatment standards compliance dates.

Compliance with the pretreatment standards for existing sources set forth in §420.45(d) of this subpart is required not later than October 17, 2005 whether or not the pretreatment authority issues or amends a pretreatment permit requiring such compliance.

[67 FR 64268, Oct. 17, 2002]

Subpart E—Vacuum Degassing Subcategory

§420.50   Applicability; description of the vacuum degassing subcategory.

The provisions of this subpart are applicable to discharges and to the introduction of pollutants into publicly owned treatment works resulting from vacuum degassing operations conducted by applying a vacuum to molten steel.

§420.51   [Reserved]

§420.52   Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).

Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.

Subpart E

Pollutant or pollutant propertyBPT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.01560.00521
pH(1)(1)

1Within the range of 6.0 to 9.0.

§420.53   Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).

Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.

Subpart E

Pollutant or pollutant propertyBAT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
Lead0.00009390.0000313
Zinc0.0001410.0000469

§420.54   New source performance standards (NSPS).

The discharge of wastewater pollutants from any new source subject to this subpart shall not exceed the values set forth below.

Subpart E

Pollutant or pollutant propertyNew source performance standards
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.007300.00261
Lead0.00009390.0000313
Zinc0.0001410.0000469
pH(1)(1)

1Within the range of 6.0 to 9.0.

§420.55   Pretreatment standards for existing sources (PSES).

Except as provided in 40 CFR 403.7 and 403.13, any existing source subject to this subpart which introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for existing sources.

Subpart E

Pollutant or pollutant propertyPretreatment standards for existing sources
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
Lead0.00009390.0000313
Zinc0.0001410.0000469

§420.56   Pretreatment standards for new sources (PSNS).

Any new source subject to this subpart which introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for new sources.

Subpart E

Pollutant or pollutant propertyPretreatment standards for new sources
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
Lead0.00009390.0000313
Zinc0.0001410.0000469

§420.57   [Reserved]

Subpart F—Continuous Casting Subcategory

§420.60   Applicability; description of the continuous casting subcategory.

The provisions of this subpart are applicable to discharges and to the introduction of pollutants into publicly owned treatment works resulting from the continous casting of molten steel into intermediate or semi-finished steel products through water cooled molds.

§420.61   [Reserved]

§420.62   Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).

Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.

Subpart F

Pollutant or pollutant propertyBPT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.07800.0260
Oil & Grease0.02340.0078
pH(1)(1)

1Within the range of 6.0 to 9.0.

§420.63   Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).

Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.

Subpart F

Pollutant or pollutant propertyBAT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
Lead0.00009390.0000313
Zinc0.0001410.0000469

§420.64   New source performance standards (NSPS).

The discharge of wastewater pollutants from any new source subject to this subpart shall not exceed the standards set forth below.

Subpart F

Pollutant or pollutant propertyNew source performance standards
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.007300.00261
O&G0.003130.00104
Lead0.00009390.0000313
Zinc0.0001410.0000469
pH(1)(1)

1Within the range of 6.0 to 9.0.

§420.65   Pretreatment standards for existing sources (PSES).

Except as provided in 40 CFR 403.7 and 403.13, any existing source subject to this subpart which introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for existing sources.

Subpart F

Pollutant or pollutant propertyPretreatment standards for existing sources
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
Lead0.00009390.0000313
Zinc0.0001410.0000469

§420.66   Pretreatment standards for new sources (PSNS).

Any new source subject to this subpart which introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for new sources.

Subpart F

Pollutant or pollutant propertyPretreatment standards for new sources
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
Lead0.00009390.0000313
Zinc0.0001410.0000469

§420.67   [Reserved]

Subpart G—Hot Forming Subcategory

§420.70   Applicability; description of the hot forming subcategory.

The provisions of this subpart are applicable to discharges and to the introduction of pollutants into publicly owned treatment works resulting from hot forming operations conducted in primary, section, flat, and pipe and tube mills.

§420.71   Specialized definitions.

(a) The term hot forming means those steel operations in which solidified, heated steel is shaped by rolls.

(b) The term primary mill means those steel hot forming operations that reduce ingots to blooms or slabs by passing the ingots between rotating steel rolls. The first hot forming operation performed on solidified steel after it is removed from the ingot molds is carried out on a “primary mill”.

(c) The term section mill means those steel hot forming operations that produce a variety of finished and semi-finished steel products other than the products of those mills specified below in paragraphs (d), (e), (g), and (h) of this section.

(d) The term flat mill means those steel hot forming operations that reduce heated slabs to plates, strip and sheet, or skelp.

(e) The term pipe and tube mill means those steel hot forming operations that produce butt welded or seamless tubular steel products.

(f) The term scarfing means those steel surface conditioning operations in which flames generated by the combustion of oxygen and fuel are used to remove surface metal imperfections from slabs, billets, or blooms.

(g) The term plate mill means those steel hot forming operations that produce flat hot-rolled products which are (1) between 8 and 48 inches wide and over 0.23 inches thick; or (2) greater than 48 inches wide and over 0.18 inches thick.

(h) The term hot strip and sheet mill means those steel hot forming operations that produce flat hot-rolled products other than plates.

(i) The term specialty steel means those steel products containing alloying elements which are added to enhance the properties of the steel product when individual alloying elements (e.g., aluminum, chromium, cobalt, columbium, molybdenum, nickel, titanium, tungsten, vanadium, zirconium) exceed 3% or the total of all alloying elements exceed 5%.

(j) The term carbon steel means those steel products other than specialty steel products.

(k) The term carbon hot forming operation (or “carbon”) means those hot forming operations which produce a majority, on a tonnage basis, of carbon steel products.

(l) The term specialty hot forming operation (or “specialty”) applies to all hot forming operations other than “carbon hot forming operations.”

§420.72   Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).

Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.

(a) Primary mills, carbon and specialty—(1) Without scarfing.

Subpart G

Pollutant or pollutant propertyBPT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.1500.0561
O&G0.0374
pH(1)(1)

1Within the range of 6.0 to 9.0.

(2) With scarfing.

Subpart G

Pollutant or pollutant propertyBPT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.2210.0830
O&G0.0553
pH(1)(1)

1Within the range of 6.0 to 9.0.

(b) Section mills—(1) Carbon.

Subpart G

Pollutant or pollutant propertyBPT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.3570.134
O&G0.0894
pH(1)(1)

1Within the range of 6.0 to 9.0.

(2) Specialty.

Subpart G

Pollutant or pollutant propertyBPT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.2240.0841
O&G0.0561
pH(1)(1)

1Within the range of 6.0 to 9.0.

(c) Flat mills—(1) Hot strip and sheet mills, carbon and specialty.

Subpart G

Pollutant or pollutant propertyBPT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.4270.160
O&G0.107
pH(1)(1)

1Within the range of 6.0 to 9.0.

(2) Carbon plate mills.

Subpart G

Pollutant or pollutant propertyBPT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.2270.0851
O&G0.0568
pH(1)(1)

1Within the range of 6.0 to 9.0

(3) Specialty plate mills.

Subpart G

Pollutant or pollutant propertyBPT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.1000.0376
O&G0.0250(1)
pH(1)(1)

1Within the range of 6.0 to 9.0

(d) Pipe and tube mills, carbon and specialty.

Subpart G

Pollutant or pollutant propertyBPT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.2120.0795
O&G0.0530
pH(1)(1)

1Within the range of 6.0 to 9.0

§420.73   Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).

The Agency has determined that there are not significant quantities of toxic pollutants in hot forming wastewaters after compliance with applicable BPT limitations. Accordingly, since the BPT level of treatment provides adequate control, the Agency is not promulgating more stringent BAT limitations.

§420.74   New source performance standards (NSPS).

The discharge of wastewater pollutants from any new source subject to this subpart shall not exceed the standards set forth below.

(a) Primary mills, carbon and specialty—(1) Without scarfing.

Subpart G

Pollutant or pollutant propertyNew source performance standards
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.01500.00563
O&G0.00373
pH(1)(1)

1Within the range of 6.0 to 9.0.

(2) With scarfing.

Subpart G

Pollutant or pollutant propertyNew source performance standards
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.02340.00876
O&G0.00584
pH(1)(1)

1Within the range of 6.0 to 9.0.

(b) Section mills—(1) Carbon.

Subpart G

Pollutant or pollutant propertyNew source performance standards
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.03340.0125
O&G0.00834
pH(1)(1)

1Within the range of 6.0 to 9.0.

(2) Specialty.

Subpart G

Pollutant or pollutant propertyNew source performance standards
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.02170.00813
O&G0.00542
pH(1)(1)

1Within the range of 6.0 to 9.0.

(c) Flat mills—(1) Hot strip and sheet mills, carbon and specialty.

Subpart G

Pollutant or pollutant propertyNew source performance standards
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of products
TSS0.04350.0163
O&G0.0109
pH(1)(1)

1Within the range of 6.0 to 9.0

(2) Carbon plate mills.

Subpart G

Pollutant or pollutant propertyNew source performance standards
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of products
TSS0.02340.00876
O&G0.00584
pH(1)(1)

1Within the range of 6.0 to 9.0

(3) Specialty plate mills.

Subpart G

Pollutant or pollutant propertyNew source performance standards
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of products
TSS0.01000.00375
O&G0.00250
pH(1)(1)

1Within the range of 6.0 to 9.0

(d) Pipe and tube mills, carbon and specialty.

Subpart G

Pollutant or pollutant propertyNew source performance standards
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of products
TSS0.03690.0138
O&G0.00917
pH(1)(1)

1Within the range of 6.0 to 9.0

§420.75   Pretreatment standards for existing sources (PSES).

Any existing source subject to this subpart which introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403.

§420.76   Pretreatment standards for new sources (PSNS).

Any new source subject to this subpart which introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403.

§420.77   Effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional technology (BCT).

Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional technology.

(a) Primary mills, carbon and specialty—(1) Without scarfing.

Subpart G

Pollutant or pollutant propertyBCT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.1500.0561
O&G0.0374
pH(1)(1)

1Within the range of 6.0 to 9.0.

(2) With scarfing.

Subpart G

Pollutant or pollutant propertyBCT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.2210.0830
O&G0.0553
pH(1)(1)

1Within the range of 6.0 to 9.0.

(b) Section mills—(1) Carbon.

Subpart G

Pollutant or pollutant propertyBCT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.3570.134
O&G0.0894
pH(1)(1)

1Within the range of 6.0 to 9.0.

(2) Specialty.

Subpart G

Pollutant or pollutant propertyBCT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.2240.0841
O&G0.0561
pH(1)(1)

1Within the range of 6.0 to 9.0.

(c) Flat mills—(1) Hot strip and sheet mills, carbon and specialty.

Subpart G

Pollutant or pollutant propertyBCT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.4270.160
O&G0.107
pH(1)(1)

1Within the range of 6.0 to 9.0.

(2) Carbon plate mills.

Subpart G

Pollutant or pollutant propertyBCT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.2270.0851
O&G0.0568
pH(1)(1)

1Within the range of 6.0 to 9.0.

(3) Specialty plate mills.

Subpart G

Pollutant or pollutant propertyBCT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.1000.0376
O&G0.0250
pH(1)(1)

1Within the range of 6.0 to 9.0.

(d) Pipe and tube mills, carbon and specialty.

Subpart G

Pollutant or pollutant propertyBCT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.2120.0795
O&G0.0530
pH(1)(1)

1Within the range of 6.0 to 9.0.

[47 FR 23284, May 27, 1982, as amended at 47 FR 41739, Sept. 22, 1982]

Subpart H—Salt Bath Descaling Subcategory

§420.80   Applicability; description of the salt bath descaling subcategory.

The provisions of this subpart are applicable to discharges and to the introduction of pollutants into publicly owned treatment works resulting from oxidizing and reducing salt bath descaling operations.

§420.81   Specialized definitions.

(a) The term salt bath descaling, oxidizing means the removal of scale from semi-finished steel products by the action of molten salt baths other than those containing sodium hydride.

(b) The term salt bath descaling, reducing means the removal of scale from semi-finished steel products by the action of molten salt baths containing sodium hydride.

(c) The term batch, sheet and plate means those descaling operations that remove surface scale from sheet and plate products in batch processes.

(d) The term batch, rod and wire means those descaling operations that remove surface scale from rod and wire products in batch processes.

(e) The term batch, pipe and tube means those descaling operations that remove surface scale from pipe and tube products in batch processes.

(f) The term continuous means those descaling operations that remove surface scale from the sheet or wire products in continuous processes.

(g) The term batch means those descaling operations in which the products are processed in discrete batches.

§420.82   Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).

Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.

(a) Salt bath descaling, oxidizing—(1) Batch, sheet and plate.

Subpart H

Pollutant or pollutant propertyBPT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.2040.0876
Chromium0.002920.00117
Nickel0.002630.000876
pH(1)(1)

1Within the range of 6.0 to 9.0.

(2) Batch, rod and wire.

Subpart H

Pollutant or pollutant propertyBPT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.1230.0526
Chromium0.001750.000701
Nickel0.001580.000526
pH(1)(1)

1Within the range of 6.0 to 9.0.

(3) Batch, pipe and tube.

Subpart H

Pollutant or pollutant propertyBPT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.4960.213
Chromium0.007090.00284
Nickel0.006380.00213
pH(1)(1)

1Within the range of 6.0 to 9.0.

(4) Continuous.

Subpart H

Pollutant or pollutant propertyBPT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.09640.0413
Chromium0.001380.000551
Nickel0.001240.000413
pH(1)(1)

1Within the range of 6.0 to 9.0.

(b) Salt bath descaling, reducing—(1) Batch.

Subpart H

Pollutant or pollutant propertyBPT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.09490.0407
Cyanide0.001020.000339
Chromium0.001360.000542
Nickel0.001220.000407
pH(1)(1)

1Within the range of 6.0 to 9.0.

(2) Continuous.

Subpart H

Pollutant or pollutant propertyBPT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.5320.228
Cyanide0.005690.00190
Chromium0.007590.00304
Nickel0.006830.00228
pH(1)(1)

1Within the range of 6.0 to 9.0.

[47 FR 23284, May 27, 1982; 47 FR 41739, Sept. 22, 1982]

§420.83   Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).

Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.

(a) Salt bath descaling, oxidizing—(1) Batch, sheet and plate.

Subpart H

Pollutant or pollutant propertyBAT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
Chromium0.002920.00117
Nickel0.002630.000876

(2) Batch, rod and wire.

Subpart H

Pollutant or pollutant propertyBAT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
Chromium0.001750.000701
Nickel0.001580.000526

(3) Batch, pipe and tube.

Subpart H

Pollutant or pollutant propertyBAT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
Chromium0.007090.00284
Nickel0.006380.00213

(4) Continuous.

Subpart H

Pollutant or pollutant propertyBAT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
Chromium0.001380.000551
Nickel0.001240.000413

(b) Salt bath descaling, reducing—(1) Batch.

Subpart H

Pollutant or pollutant propertyBAT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
Cyanide0.001020.000339
Chromium0.001360.000542
Nickel0.001220.000407

(2) Continuous.

Subpart H

Pollutant or pollutant propertyBAT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
Cyanide0.005690.00190
Chromium0.007590.00304
Nickel0.006830.00228

§420.84   New source performance standards (NSPS).

The discharge of wastewater pollutants from any new source subject to this subpart shall not exceed the standards set forth below.

(a) Salt bath descaling, oxidizing—(1) Batch, sheet and plate.

Subpart H

Pollutant or pollutant propertyNew source performance standards
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.2040.0876
Chromium0.002920.00117
Nickel0.002630.000876
pH(1)(1)

1Within the range of 6.0 to 9.0.

(2) Batch, rod and wire.

Subpart H

Pollutant or pollutant propertyNew source performance standards
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.1230.0526
Chromium0.001750.000701
Nickel0.001580.000526
pH(1)(1)

1Within the range of 6.0 to 9.0.

(3) Batch, pipe and tube.

Subpart H

Pollutant or pollutant propertyNew source performance standards
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.4960.213
Chromium0.007090.00284
Nickel0.006380.00213
pH(1)(1)

1Within the range of 6.0 to 9.0.

(4) Continuous.

Subpart H

Pollutant or pollutant propertyNew source performance standards
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.09640.0413
Chromium0.001380.000551
Nickel0.001240.000413
pH(1)(1)

1Within the range of 6.0 to 9.0.

(b) Salt bath descaling, reducing—(1) Batch.

Subpart H

Pollutant or pollutant propertyNew source performance standards
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.09490.0407
Cyanide0.001020.000339
Chromium0.001360.000542
Nickel0.001220.000407
pH(1)(1)

1Within the range of 6.0 to 9.0.

(2) Continuous.

Subpart H

Pollutant or pollutant propertyNew source performance standards
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.5320.228
Cyanide0.005690.00190
Chromium0.007590.00304
Nickel0.006830.00228
pH(1)(1)

1Within the range of 6.0 to 9.0.

§420.85   Pretreatment standards for existing sources (PSES).

Except as provided in 40 CFR 403.7 and 403.13, any existing source subject to this subpart which introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for existing sources.

(a) Salt bath descaling, oxidizing—(1) Batch, sheet and plate.

Subpart H

Pollutant or pollutant propertyPretreatment standards for existing sources
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
Chromium0.002920.00117
Nickel0.002630.000876

(2) Batch, rod and wire.

Subpart H

Pollutant or pollutant propertyPretreatment standards for existing sources
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
Chromium0.001750.000701
Nickel0.001580.000526

(3) Batch, pipe and tube.

Subpart H

Pollutant or pollutant propertyPretreatment standards for existing sources
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
Chromium0.007090.00284
Nickel0.006380.00213

(4) Continuous.

Subpart H

Pollutant or pollutant propertyPretreatment standards for existing sources
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
Chromium0.001380.000551
Nickel0.001240.000413

(b) Salt bath descaling, reducing—(1) Batch.

Subpart H

Pollutant or pollutant propertyPretreatment standards for existing sources
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
Cyanide0.001020.000339
Chromium0.001360.000542
Nickel0.001220.000407

(2) Continuous.

Subpart H

Pollutant or pollutant propertyPretreatment standards for existing sources
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product)
Cyanide0.005690.00190
Chromium0.007590.00304
Nickel0.006830.00228

[47 FR 23284, May 27, 1982; 47 FR 41739, Sept. 22, 1982]

§420.86   Pretreatment standards for new sources (PSNS).

Except as provided in 40 CFR 403.7, any new source subject to this subpart which introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for new sources.

(a) Salt bath descaling, oxidizing—(1) Batch, sheet and plate.

Subpart H

Pollutant or pollutant propertyPretreatment standards for new sources
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
Chromium0.002920.00117
Nickel0.002630.000876

(2) Batch, rod and wire.

Subpart H

Pollutant or pollutant propertyPretreatment standards for new sources
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
Chromium0.001750.000701
Nickel0.001580.000526

(3) Batch, pipe and tube.

Subpart H

Pollutant or pollutant propertyPretreatment standards for new sources
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
Chromium0.007090.00284
Nickel0.006380.00213

(4) Continuous.

Subpart H

Pollutant or pollutant propertyPretreatment standards for new sources
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
Chromium0.001380.000551
Nickel0.001240.000413

(b) Salt bath descaling, reducing—(1) Batch.

Subpart H

Pollutant or pollutant propertyPretreatment standards for new sources
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
Cyanide0.001020.000339
Chromium0.001360.000542
Nickel0.001220.000407

(2) Continuous.

Subpart H

Pollutant or pollutant propertyPretreatment standards for new sources
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
Cyanide0.005690.00190
Chromium0.007590.00304
Nickel0.006830.00228

[47 FR 23284, May 27, 1982, as amended at 47 FR 41739, Sept. 22, 1982]

§420.87   Effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional technology (BCT).

Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional technology.

(a) Salt bath descaling, oxidizing—(1) Batch, sheet and plate.

Subpart H

Pollutant or pollutant propertyBCT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.2040.0876
pH(1)(1)

1Within the range of 6.0 to 9.0.

(2) Batch, rod and wire.

Subpart H

Pollutant or pollutant propertyBCT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.1230.0526
pH(1)(1)

1Within the range of 6.0 to 9.0.

(3) Batch, pipe and tube.

Subpart H

Pollutant or pollutant propertyBCT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.4960.213
pH(1)   (1)   

1Within the range of 6.0 to 9.0.

(4) Continuous.

Subpart H

Pollutant or pollutant propertyBCT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.09640.0413
pH(1)   (1)   

1Within the range of 6.0 to 9.0.

(b) Salt bath descaling, reducing—(1) Batch.

Subpart H

Pollutant or pollutant propertyBCT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.09490.0407
pH(1)   (1)   

1Within the range of 6.0 to 9.0.

(2) Continuous.

Subpart H

Pollutant or pollutant propertyBCT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.5320.228
pH(1)   (1)   

1Within the range of 6.0 to 9.0.

[47 FR 23284, May 27, 1982; 47 FR 41739, Sept. 22, 1982]

Subpart I—Acid Pickling Subcategory

§420.90   Applicability; description of the acid pickling subcategory.

The provisions of this subpart are applicable to discharges and to the introduction of pollutants into publicly owned treatment works resulting from sulfuric acid, hydrochloric acid, or combination acid pickling operations.

§420.91   Specialized definitions.

(a) The term sulfuric acid pickling means those operations in which steel products are immersed in sulfuric acid solutions to chemically remove oxides and scale, and those rinsing operations associated with such immersions.

(b) The term hydrochloric acid pickling means those operations in which steel products are immersed in hydrochloric acid solutions to chemically remove oxides and scale, and those rinsing operations associated with such immersions.

(c) The term combination acid pickling means those operations in which steel products are immersed in solutions of more than one acid to chemically remove scale and oxides, and those rinsing steps associated with such immersions.

(d) The term fume scrubber means those pollution control devices used to remove and clean fumes originating in pickling operations.

(e) The term batch means those pickling operations which process steel products such as coiled wire, rods, and tubes in discrete batches or bundles.

(f) The term continuous means those pickling operations which process steel products other than in discrete batches or bundles.

(g) The term acid recovery means those sulfuric acid pickling operations that include processes for recovering the unreacted acid from spent pickling acid solutions.

(h) The term acid regeneration means those hydrochloric acid pickling operations that include processes for regenerating acid from spent pickling acid solutions.

(i) The term neutralization means those acid pickling operations that do not include acid recovery or acid regeneration processes.

(j) The term spent acid solution (or spent pickle liquor) means those solutions of steel pickling acids which have been used in the pickling process and are discharged or removed therefrom.

(k) The term rod, wire and coil means those acid pickling operations that pickle rod, wire or coiled rod and wire products.

(l) The term bar, billet and bloom means those acid pickling operations that pickle bar, billet or bloom products.

(m) The term strip, sheet and plate means those acid pickling operations that pickle strip, sheet or plate products.

(n) The term pipe, tube and other means those acid pickling operations that pickle pipes, tubes or any steel product other than those included in paragraphs (k), (l) and (m) of this section.

§420.92   Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).

Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.

(a) Sulfuric acid pickling (spent acid solutions and rinse waters)—(1) Rod, wire and coil.

Subpart I

Pollutant or pollutant propertyBPT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.08180.0350
O&G10.03500.0117
Lead0.0005260.000175
Zinc0.0007010.000234
pH(2)(2)

1The limitations for oil and grease shall be applicable when acid pickling wastewaters are treated with cold rolling wastewaters.

2Within the range of 6.0 to 9.0.

(2) Bar, billet and bloom.

Subpart I

Pollutant or pollutant propertyBPT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.02630.0113
O&G10.01130.00375
Lead0.0001690.0000563
Zinc0.0002250.0000751
pH(2)(2)

1The limitations for oil and grease shall be applicable when acid pickling wastewaters are treated with cold rolling wastewaters.

2Within the range of 6.0 to 9.0.

(3) Strip, sheet and plate.

Subpart I

Pollutant or pollutant propertyBPT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.05260.0225
O&G10.02250.00751
Lead0.0003380.000113
Zinc0.0004510.000150
pH(2)(2)

1The limitations for oil and grease shall be applicable when acid pickling wastewaters are treated with cold rolling wastewaters.

2Within the range of 6.0 to 9.0.

(4) Pipe, tube and other products.

Subpart I

Pollutant or pollutant propertyBPT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.1460.0626
O&G10.06260.0209
Lead0.0009390.000313
Zinc0.001250.000417
pH(2)(2)

1The limitations for oil and grease shall be applicable when acid pickling wastewaters are treated with cold rolling wastewaters.

2Within the range of 6.0 to 9.0.

(5) Fume scrubbers.

Subpart I

Pollutant or pollutant propertyBPT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kilograms per day
TSS5.722.45
O&G12.450.819
Lead0.03680.0123
Zinc0.04910.0164
pH(2)(2)

1The limitations for oil and grease shall be applicable when acid pickling wastewaters are treated with cold rolling wastewaters.

2Within the range of 6.0 to 9.0.

The above limitations shall be applicable to each fume scrubber associated with a sulfuric acid pickling operation.

(b) Hydrochloric acid pickling (spent acid solutions and rinse waters)—(1) Rod, wire and coil.

Subpart I

Pollutant or pollutant propertyBPT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.1430.0613
O&G10.06130.0204
Lead0.0009200.000307
Zinc0.001230.000409
pH(2)(2)

1The limitations for oil and grease shall be applicable when acid pickling wastewaters are treated with cold rolling wastewaters.

2Within the range of 6.0 to 9.0.

(2) Strip, sheet and plate.

Subpart I

Pollutant or pollutant propertyBPT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.08180.0350
O&G10.03500.0117
Lead0.0005260.000175
Zinc0.0007010.000234
pH(2)(2)

1The limitations for oil and grease shall be applicable when acid pickling wastewaters are treated with cold rolling wastewaters.

2Within the range of 6.0 to 9.0.

(3) Pipe, tube and other products.

Subpart I

Pollutant or pollutant propertyBPT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.2980.128
O&G10.1280.0426
Lead0.001920.000638
Zinc0.002550.000851
pH(2)(2)

1The limitations for oil and grease shall be applicable when acid pickling wastewaters are treated with cold rolling wastewaters.

2Within the range of 6.0 to 9.0.

(4) Fume scrubbers.

Subpart I

Pollutant or pollutant propertyBPT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kilograms per day
TSS5.722.45
O&G12.450.819
Lead0.03680.0123
Zinc0.04910.0164
pH(2)(2)

1The limitations for oil and grease shall be applicable when acid pickling wastewaters are treated with cold rolling wastewaters.

2Within the range of 6.0 to 9.0.

The above limitations shall be applicable to each fume scrubber associated with a hydrochloric acid pickling operation.

(5) Acid regeneration (absorber vent scrubber).

Subpart I

Pollutant or pollutant propertyBPT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kilograms per day
TSS38.216.3
O&G116.35.45
Lead0.2450.0819
Zinc0.3270.109
pH(2)(2)

1The limitations for oil and grease shall be applicable when acid pickling wastewaters are treated with cold rolling wastewaters.

2Within the range of 6.0 to 9.0.

The above limitations shall be applicable to the absorber vent scrubber wastewater associated with hydrochloric acid regeneration plants.

(c) Combination acid pickling (spent acid solution and rinse waters)—(1) Rod, Wire, and Coil.

Subpart I

Pollutant or pollutant propertyBPT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.1490.0638
O&G10.06380.0213
Chromium0.002130.000852
Nickel0.001920.000638
pH(2)(2)

1The limitations for oil and grease shall be applicable when acid pickling wastewaters are treated with cold rolling wastewaters.

2Within the range of 6.0 to 9.0.

(2) Bar, billet, and bloom.

Subpart I

Pollutant or pollutant propertyBPT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.06720.0288
O&G10.02880.00960
Chromium0.0009600.000384
Nickel0.0008640.000288
pH(2)(2)

1The limitations for oil and grease shall be applicable when acid pickling wastewaters are treated with cold rolling wastewaters.

2Within the range of 6.0 to 9.0.

(3) Strip, sheet, and plate—continuous.

Subpart I

Pollutant or pollutant propertyBPT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.4380.188
O&G10.1880.0626
Chromium0.006260.00250
Nickel0.005630.00188
pH(2)(2)

1The limitations for oil and grease shall be applicable when acid pickling wastewaters are treated with cold rolling wastewaters.

2Within the range of 6.0 to 9.0.

(4) Strip, sheet and plate—batch.

Subpart I

Pollutant or pollutant propertyBPT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.1340.0576
O&G10.05760.0192
Chromium0.001920.000768
Nickel0.001730.000576
pH(2)(2)

1The limitations for oil and grease shall be applicable when acid pickling wastewaters are treated with cold rolling wastewaters.

2Within the range of 6.0 to 9.0.

(5) Pipe, tube, and other products.

Subpart I

Pollutant or pollutant propertyBPT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.2250.0964
O&G10.09640.0322
Chromium0.003220.00129
Nickel0.002890.000964
pH(2)(2)

1The limitations for oil and grease shall be applicable when acid pickling wastewaters are treated with cold rolling wastewaters.

2Within the range of 6.0 to 9.0.

(6) Fume scrubbers.

Subpart I

Pollutant or pollutant propertyBPT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kilograms per day
TSS5.722.45
O&G12.450.819
Chromium0.08190.0327
Nickel0.07350.0245
pH(2)(2)

1The limitations for oil and grease shall be applicable when acid pickling wastewaters are treated with cold rolling wastewaters.

2Within the range of 6.0 to 9.0.

The above limitations shall be applicable to each fume scrubber associated with a combination acid pickling operation.

[47 FR 23284, May 27, 1982; 47 FR 41739, Sept. 22, 1982, as amended at 49 FR 21030, May 17, 1984]

§420.93   Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).

Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.

(a) Sulfuric acid pickling (spent acid solutions and rinse waters)—(1) Rod, wire and coil.

Subpart I

Pollutant or pollutant propertyBAT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
Lead0.0005260.000175
Zinc0.0007010.000234

(2) Bar, billet and bloom.

Subpart I

Pollutant or pollutant propertyBAT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
Lead0.0001690.0000563
Zinc0.0002250.0000751

(3) Strip, sheet and plate.

Subpart I

Pollutant or pollutant propertyBAT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
Lead0.0003380.000113
Zinc0.0004510.000150

(4) Pipe, tube and other products.

Subpart I

Pollutant or pollutant propertyBAT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
Lead0.0009390.000313
Zinc0.001250.000417

(5) Fume scrubbers.

Subpart I

Pollutant or pollutant propertyBAT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kilograms per day
Lead0.03680.0123
Zinc0.04910.0164

The above limitations shall be applicable to each fume scrubber associated with a sulfuric acid pickling operation.

(b) Hydrochloric acid pickling (spent acid solutions and rinse waters)—(1) Rod, wire and coil.

Subpart I

Pollutant or pollutant propertyBAT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
Lead0.0009200.000307
Zinc0.001230.000409

(2) Strip, sheet and plate.

Subpart I

Pollutant or pollutant propertyBAT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
Lead0.0005260.000175
Zinc0.0007010.000234

(3) Pipe, tube and other products.

Subpart I

Pollutant or pollutant propertyBAT effuent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
Lead0.001920.000638
Zinc0.002550.000851

(4) Fume scrubbers.

Subpart I

Pollutant or pollutant propertyBAT effuent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kilograms per day
Lead0.03680.0123
Zinc0.04910.0164

The above limitations shall be applicable to each fume scrubber associated with a hydrochloric acid pickling operation.

(5) Acid regeneration (absorber vent scrubber).

Subpart I

Pollutant or pollutant propertyBAT effuent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kilograms per day
Lead0.2450.0819
Zinc0.3270.109

The above limitations shall be applicable to the absorber vent scrubber wastewater associated with hydrochloric acid regeneration plants.

(c) Combination acid pickling (spent acid solution and rinse waters)—(1) Rod, wire, and coil.

Subpart I

Pollutant or pollutant propertyBAT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
Chromium0.002130.000852
Nickel0.001920.000638

(2) Bar, billet, and bloom.

Subpart I

Pollutant or pollutant propertyBAT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
Chromium0.0009600.000384
Nickel0.0008640.000288

(3) Strip, sheet, and plate—continuous.

Subpart I

Pollutant or pollutant propertyBAT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
Chromium0.006260.00250
Nickel0.005630.00188

(4) Strip, sheet, and plate—batch.

Subpart I

Pollutant or pollutant propertyBAT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
Chromium0.001920.000768
Nickel0.001730.000576

(5) Pipe, tube, and other products.

Subpart I

Pollutant or pollutant propertyBAT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
Chromium0.003220.00129
Nickel0.002890.000964

(6) Fume scrubbers.

Subpart I

Pollutant or pollutant propertyBAT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kilograms per day
Chromium0.08190.0327
Nickel0.07350.0245

The above limitations shall be applicable to each fume scrubber associated with a combination acid pickling operation.

[47 FR 23284, May 27, 1982; 47 FR 41739, Sept. 22, 1982, as amended at 49 FR 21031, May 17, 1984; 49 FR 24726, June 15, 1984]

§420.94   New source performance standards (NSPS).

The discharge of wastewater pollutants from any new source subject to this subpart shall not exceed the standards set forth below.

(a) Sulfuric acid pickling (spent acid solutions and rinse waters)—(1) Rod, wire, and coil.

Subpart I

Pollutant or pollutant propertyNew source performance standards
Maximum for any 1 dayAverage of daily values for 30 consecutive days
kg/kkg (pounds per 1,000 lb) of product
TSS0.01460.00626
O&G*0.006260.00209
Lead0.00009390.0000313
Zinc0.0001250.0000417
pH(1)(1)

*The limitations for oil and grease shall be applicable when acid pickling wastewaters are treated with cold rolling wastewaters.

1Within the range of 6.0 to 9.0.

(2) Bar, billet, and bloom.

Subpart I

Pollutant or pollutant propertyNew source performance standards
Maximum for any 1 dayAverage of daily values for 30 consecutive days
kg/kkg (pounds per 1,000 lb) of product
TSS0.008760.00376
O&G*0.003760.00125
Lead0.00005630.0000188
Zinc0.00007510.0000250
pH(1)(1)

*The limitations for oil and grease shall be applicable when acid pickling wastewaters are treated with cold rolling wastewaters.

1Within the range of 6.0 to 9.0.

(3) Strip, sheet, and plate.

Subpart I

Pollutant or pollutant propertyNew source performance standards
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.01170.00501
O&G10.005010.00167
Lead0.00007510.0000250
Zinc0.0001000.0000334
pH(2)(2)

1The limitations for oil and grease shall be applicable when acid pickling wastewaters are treated with cold rolling wastewaters.

2Within the range of 6.0 to 9.0.

(4) Pipe, tube and other products.

Subpart I

Pollutant or pollutant propertyNew source performance standars
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.02040.00876
O&G10.008760.00292
Lead0.0001310.0000438
Zinc0.0001750.0000584
pH(2)(2)

1The limitations for oil and grease shall be applicable when acid pickling wastewaters are treated with cold rolling wastewaters.

2Within the range of 6.0 to 9.0.

(5) Fume scrubbers.

Subpart I

Pollutant or pollutant propertyNew source performance standars
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kilograms per day
TSS5.722.45
O&G12.450.819
Lead0.03680.0123
Zinc0.04910.0164
pH(2)(2)

1The limitations for oil and grease shall be applicable when acid pickling wastewaters are treated with cold rolling wastewaters.

2Within the range of 6.0 to 9.0.

The above limitations shall be applicable to each fume scrubber associated with a sulfuric acid pickling operation.

(b) Hydrochloric acid pickling (spent acid solutions and rinse waters)—(1) Rod, wire, and coil.

Subpart I

Pollutant or pollutant propertyNew source performance standards
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.01750.00751
O&G10.007510.00250
Lead0.0001130.0000376
Zinc0.0001500.0000501
pH(2)(2)

1The limitations for oil and grease shall be applicable when acid pickling wastewaters are treated with cold rolling wastewaters.

2Within the range of 6.0 to 9.0.

(2) Strip, sheet, and plate.

Subpart I

Pollutant or pollutant propertyNew source performance standards
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.01170.00501
O&G10.005010.00167
Lead0.00007510.0000250
Zinc0.0001000.0000334
pH(2)(2)

1The limitations for oil and grease shall be applicable when acid pickling wastewaters are treated with cold rolling wastewaters.

1Within the range of 6.0 to 9.0.

(3) Pipe, tube, and other products.

Subpart I

Pollutant or pollutant propertyNew source performance standards
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.03210.0138
O&G10.01380.00459
Lead0.0002060.0000688
Zinc0.0002750.0000918
pH(2)(2)

1The limitations for oil and grease shall be applicable when acid pickling wastewaters are treated with cold rolling wastewaters.

2Within the range of 6.0 to 9.0.

(4) Fume scrubbers.

Subpart I

Pollutant or pollutant propertyNew source performance standards
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kilograms per day
TSS5.722.45
O&G12.450.819
Lead0.03680.0123
Zinc0.04910.0164
pH(2)(2)

1The limitations for oil and grease shall be applicable when acid pickling wastewaters are treated with cold rolling wastewaters.

2Within the range of 6.0 to 9.0.

The above limitations shall be applicable to each fume scrubber associated with a hydrochloric acid pickling operation.

(c) Combination acid pickling (spent acid solutions and rinse waters)—(1) Rod, wire, and coil.

Subpart I

Pollutant or pollutant propertyNew source performance standards
Maximum for any 1 dayAverage of daily values for 30 consecutive days
kg/kkg (pounds per 1,000 lb) of product
TSS0.02040.00876
O&G10.008760.00292
Chromium0.0002920.000117
Nickel0.0002630.0000876
pH(2)(2)

1The limitations for oil and grease shall be applicable when acid pickling wastewaters are treated with cold rolling wastewaters.

2Within the range of 6.0 to 9.0.

(2) Bar, billet, and bloom.

Subpart I

Pollutant or pollutant propertyNew source performance standards
Maximum for any 1 dayAverage of daily values for 30 consecutive days
kg/kkg (pounds per 1,000 lb) of product
TSS0.01170.00501
O&G10.005010.00167
Chromium0.0001670.0000667
Nickel0.0001500.0000501
pH(2)(2)

1The limitations for oil and grease shall be applicable when acid pickling wastewaters are treated with cold rolling wastewaters.

2Within the range of 6.0 to 9.0.

(3) Strip, sheet and plate—continuous.

Subpart I

Pollutant or pollutant propertyNew source performance standards
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.04960.0213
O&G10.02130.00710
Chromium0.0007100.000284
Nickel0.0006380.000213
pH(2)(2)

1The limitations for oil and grease shall be applicable when acid pickling wastewaters are treated with cold rolling wastewaters.

2Within the range of 6.0 to 9.0.

(4) Strip, sheet, and plate—batch.

Subpart I

Pollutant or pollutant propertyNew source performance standards
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.01750.00751
O&G10.007510.00250
Chromium0.0002500.000100
Nickel0.0002250.0000751
pH(2)(2)

1The limitations for oil and grease shall be applicable when acid pickling wastewaters are treated with cold rolling wastewaters.

2Within the range of 6.0 to 9.0.

(5) Pipe, tube, and other products.

Subpart I

Pollutant or pollutant propertyNew source performance standards
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.02920.0125
O&G10.01250.00418
Chromium0.0004180.000167
Nickel0.0003760.000125
pH(2)(2)

1The limitations for oil and grease shall be applicable when acid pickling wastewaters are treated with cold rolling wastewaters.

2Within the range of 6.0 to 9.0.

(6) Fume scrubbers.

Subpart I

Pollutant or pollutant propertyNew source performance standards
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kilograms per day
TSS5.722.45
O&G12.450.819
Chromium0.08190.0327
Nickel0.07350.0245
pH(2)(2)

1The limitations for oil and grease shall be applicable when acid pickling wastewaters are treated with cold rolling wastewaters.

2Within the range of 6.0 to 9.0.

The above limitations shall be applicable to each fume scrubber associated with a combination acid pickling operation.

[47 FR 23284, May 27, 1982, as amended at 49 FR 21032, May 17, 1984]

§420.95   Pretreatment standards for existing sources (PSES).

Except as provided in 40 CFR 403.7 and 403.13, any existing source subject to this subpart which introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for existing sources.

(a) Sulfuric acid (spent acid solutions and rinse waters)—(1) Rod, wire, and coil.

Subpart I

Pollutant or pollutant propertyPretreatment standards for existing sources
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
Lead0.0005260.000175
Zinc0.0007010.000234

(2) Bar, billet, and bloom.

Subpart I

Pollutant or pollutant propertyPretreatment standards for existing sources
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
Lead0.0001690.0000563
Zinc0.0002250.0000751

(3) Strip, sheet, and plate.

Subpart I

Pollutant or pollutant propertyPretreatment standards for existing sources
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
Lead0.0003380.000113
Zinc0.0004510.000150

(4) Pipe, tube, and other products.

Subpart I

Pollutant or pollutant propertyPretreatment standards for existing sources
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
Lead0.0009390.000313
Zinc0.001250.000417

(5) Fume scrubber.

Subpart I

Pollutant or pollutant propertyPretreatment standards for existing sources
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kilograms per day
Lead0.03680.0123
Zinc0.04910.0164

Note: The above limitations are applicable to each fume scrubber associated with sulfuric acid pickling operations.

(b) Hydrochloric acid pickling (spent acid solutions and rinse waters)—(1) Rod, wire, and coil.

Subpart I

Pollutant or pollutant propertyPretreatment standards for existing sources
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
Lead0.0009200.000307
Zinc0.001230.000409

(2) Strip, sheet, and plate.

Subpart I

Pollutant or pollutant propertyPretreatment standards for existing sources
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
Lead0.0005260.000175
Zinc0.0007010.000234

(3) Pipe, tube, and other products.

Subpart I

Pollutant or pollutant propertyPretreatment standards for existing sources
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
Lead0.001920.000638
Zinc0.002550.000851

(4) Fume scrubber.

Subpart I

Pollutant or pollutant propertyPretreatment standards for existing sources
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kilograms per day
Lead0.03680.0123
Zinc0.04910.0164

Note: The above limitations shall be applicable for each fume scrubber associated with hydrochloric acid pickling operations.

(5) Acid regeneration (absorber vent scrubber).

Subpart I

Pollutant or pollutant propertyPretreatment standards for existing sources
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kilograms per day
Lead0.2450.0819
Zinc0.3270.109

Note: The above limitations shall be applicable to the absorber vent scrubber wastewater associated with hydrochloric acid regeneration plants.

(c) Combination acid pickling (spent acid solutions and rinse waters)—(1) Rod, wire, and coil.

Subpart I

Pollutant or pollutant propertyPretreatment standards for existing sources
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
Chromium0.002130.000852
Nickel0.001920.000638

(2) Bar, billet, and bloom.

Subpart I

Pollutant or pollutant propertyPretreatment standards for existing sources
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
Chromium0.0009600.000384
Nickel0.0008640.000288

(3) Strip, sheet, and plate—continuous.

Subpart I

Pollutant or pollutant propertyPretreatment standards for existing sources
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
Chromium0.006260.00250
Nickel0.005630.00188

(4) Strip, sheet, and plate—batch.

Subpart I

Pollutant or pollutant propertyPretreatment standards for existing sources
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
Chromium0.001920.000768
Nickel0.001730.000576

(5) Pipe, tube, and other products.

Subpart I

Pollutant or pollutant propertyPretreatment standards for existing sources
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
Chromium0.003220.00129
Nickel0.002890.000964

(6) Fume scrubber.

Subpart I

Pollutant or pollutant propertyPretreatment standards for existing sources
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kilograms per day
Chromium0.08190.0327
Nickel0.07350.0245

Note: The above limitations shall be applicable to each fume scrubber associated with a combination acid pickling operation.

[47 FR 23284, May 27, 1982; 47 FR 41739, Sept. 22, 1982, as amended at 49 FR 21033, May 17, 1984]

§420.96   Pretreatment standards for new sources (PSNS).

Except as provided in 40 CFR 403.7, any new source subject to this subpart which introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for new sources.

(a) Sulfuric acid pickling (spent acid solutions and rinse waters)—(1) Rod, wire, coil.

Subpart I

Pollutant or pollutant propertyPretreatment standards for new sources
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
Lead0.00009390.0000313
Zinc0.0001250.0000417

(2) Bar, billet, and bloom.

Subpart I

Pollutant or pollutant propertyPretreatment standards for new sources
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
Lead0.00005630.0000188
Zinc0.00007510.0000250

(3) Strip, sheet, and plate.

Subpart I

Pollutant or pollutant propertyPretreatment standards for new sources
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
Lead0.00007510.0000250
Zinc0.0001000.0000334

(4) Pipe, tube, other products.

Subpart I

Pollutant or pollutant propertyPretreatment standards for new sources
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
Lead0.0001310.0000438
Zinc0.0001750.0000584

(5) Fume scrubber.

Subpart I

Pollutant or pollutant propertyPretreatment standards for new sources
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kilograms per day
Lead0.03680.0123
Zinc0.04910.0164

Note: The above limitations are applicable to each fume scrubber associated with sulfuric acid pickling operations.

(b) Hydrochloric acid pickling (spent acid solutions and rinse waters)—(1) Rod, wire, coil.

Subpart I

Pollutant or pollutant propertyPretreatment standards for new sources
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
Lead0.0001130.0000376
Zinc0.0001500.0000501

(2) Strip, sheet, and plate.

Subpart I

Pollutant or pollutant propertyPretreatment standards for new sources
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
Lead0.00007510.0000250
Zinc0.0001000.0000334

(3) Pipe, tube, and other products.

Subpart I

Pollutant or pollutant propertyPretreatment standards for new sources
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
Lead0.0002060.0000688
Zinc0.0002750.0000918

(4) Fume scrubber.

Subpart I

Pollutant or pollutant propertyPretreatment standards for new sources
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kilograms per day
Lead0.03680.0123
Zinc0.04910.0164

Note: The above limitations shall be applicable for each fume scrubber associated with hydrochloric acid pickling operations.

(c) Combination acid pickling (spent acid solutions and rinse waters)—(1) Rod, wire, and coil.

Subpart I

Pollutant or pollutant propertyPretreatment standards for new sources
Maximum for any 1 dayAverage of daily values for 30 consecutive days
kg/kkg (pounds per 1,000 lb) of product
Chromium0.0002920.000117
Nickel0.0002630.0000876

(2) Bar, billet, and bloom.

Subpart I

Pollutant or pollutant propertyPretreatment standards for new sources
Maximum for any 1 dayAverage of daily values for 30 consecutive days
kg/kkg (pounds per 1,000 lb) of product
Chromium0.0001670.0000667
Nickel0.0001500.0000501

(3) Strip, sheet, and plate—continuous.

Subpart I

Pollutant or pollutant propertyPretreatment standards for new sources
Maximum for any 1 dayAverage of daily values for 30 consecutive days
kg/kkg (pounds per 1,000 lb) of product
Chromium0.0007100.000284
Nickel0.0006380.000213

(4) Strip, sheet, and plate—batch.

Subpart I

Pollutant or pollutant propertyPretreatment standards for new sources
Maximum for any 1 dayAverage of daily values for 30 consecutive days
kg/kkg (pounds per 1,000 lb) of product
Chromium0.0002500.000100
Nickel0.0002250.0000751

(5) Pipe, tube, and other products.

Subpart I

Pollutant or pollutant propertyPretreatment standards for new sources
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
Chromium0.0004180.000167
Nickel0.0003760.000125

(6) Fume scrubber.

Subpart I

Pollutant or pollutant propertyPretreatment standards for new sources
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kilograms per day
Chromium0.08190.0327
Nickel0.07350.0245

Note: The above limitations shall be applicable for each fume scrubber associated with combination acid pickling operations.

[47 FR 23284, May 27, 1982, as amended at 47 FR 41739, Sept. 22, 1982; 49 FR 21033, May 17, 1984]

§420.97   Effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional technology (BCT).

Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional technology.

(a) Sulfuric acid pickling (spent acid solutions and rinse waters)—(1) Rod, wire and coil.

Subpart I

Pollutant or pollutant propertyBCT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.08190.0350
O&G10.03500.0117
pH(2)(2)

1The limitations for oil and grease shall be applicable when acid pickling wastewaters are treated with cold rolling wastewaters.

2Within the range of 6.0 to 9.0.

(2) Bar, billet and bloom.

Subpart I

Pollutant or pollutant propertyBCT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.02630.0113
O&G10.01130.00376
pH(2)(2)

1The limitations for oil and grease shall be applicable when acid pickling wastewaters are treated with cold rolling wastewaters.

2Within the range of 6.0 to 9.0.

(3) Strip, sheet and plate.

Subpart I

Pollutant or pollutant propertyBCT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.05260.0225
O&G10.02250.00751
pH(2)(2)

1The limitations for oil and grease shall be applicable when acid pickling wastewaters are treated with cold rolling wastewaters.

2Within the range of 6.0 to 9.0.

(4) Pipe, tube and other products.

Subpart I

Pollutant or pollutant propertyBCT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.1460.0626
O&G10.06260.0209
pH(2)(2)

1The limitations for oil and grease shall be applicable when acid pickling wastewaters are treated with cold rolling wastewaters.

2Within the range of 6.0 to 9.0.

(5) Fume scrubbers.

Subpart I

Pollutant or pollutant propertyBCT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kilograms per day
TSS5.722.45
O&G12.450.819
pH(2)(2)

1The limitations for oil and grease shall be applicable when acid pickling wastewaters are treated with cold rolling wastewaters.

2Within the range of 6.0 to 9.0.

The above limitations shall be applicable to each fume scrubber associated with a sulfuric acid pickling operation.

(b) Hydrochloric acid pickling (spent acid solutions and rinse waters)—(1) Rod, wire and coil.

Subpart I

Pollutant or pollutant propertyBCT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.1430.0613
O&G10.06130.0204
pH(2)(2)

1The limitations for oil and grease shall be applicable when acid pickling wastewaters are treated with cold rolling wastewaters.

2Within the range of 6.0 to 9.0.

(2) Strip, sheet and plate.

Subpart I

Pollutant or pollutant propertyBCT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.08190.0350
O&G10.03500.0117
pH(2)(2)

1The limitations for oil and grease shall be applicable when acid pickling wastewaters are treated with cold rolling wastewaters.

2Within the range of 6.0 to 9.0.

(3) Pipe, tube and other products.

Subpart I

Pollutant or pollutant propertyBCT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.2980.128
O&G10.1280.0426
pH(2)(2)

1The limitations for oil and grease shall be applicable when acid pickling wastewaters are treated with cold rolling wastewaters.

2Within the range of 6.0 to 9.0

(4) Fume scrubbers.

Subpart I

Pollutant or pollutant propertyBCT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kilograms per day
TSS5.722.45
O&G12.450.819
pH(2)(2)

1The limitations for oil and grease shall be applicable when acid pickling wastewaters are treated with cold rolling wastewaters.

2Within the range of 6.0 to 9.0.

The above limitations shall be applicable to each fume scrubber associated with a hydrochloric acid pickling operation.

(5) Acid regeneration (absorber vent scrubber).

Subpart I

Pollutant or pollutant propertyBCT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kilograms per day
TSS38.216.3
O&G116.35.45
pH(2)(2)

1The limitations for oil and grease shall be applicable when acid pickling wastewaters are treated with cold rolling wastewaters.

2Within the range of 6.0 to 9.0.

The above limitations shall be applicable to the absorber vent scrubber wastewater associated with hydrochloric acid regeneration plants.

(c) Combination acid pickling (spent acid solution and rinse waters)—(1) Rod, wire, and coil.

Subpart I

Pollutant or pollutant propertyBCT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.1490.0638
O&G10.06380.0213
pH(2)(2)

1The limitations for oil and grease shall be applicable when acid pickling wastewaters are treated with cold rolling wastewaters.

2Within the range of 6.0 to 9.0.

(2) Bar, billet, and bloom.

Subpart I

Pollutant or pollutant propertyBCT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.06720.0288
O&G10.02880.00960
pH(2)(2)

1The limitations for oil and grease shall be applicable when acid pickling wastewaters are treated with cold rolling wastewaters.

2Within the range of 6.0 to 9.0.

(3) Strip, sheet, and plate—continuous.

Subpart I

Pollutant or pollutant propertyBCT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.4380.188
O&G10.1880.0626
pH(2)(2)

1The limitations for oil and grease shall be applicable when acid pickling wastewaters are treated with cold rolling wastewaters.

2Within the range of 6.0 to 9.0.

(4) Strip, sheet and plate—batch.

Subpart I

Pollutant or pollutant propertyBCT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.1340.0576
O&G10.05760.0192
pH(2)(2)

1The limitations for oil and grease shall be applicable when acid pickling wastewaters are treated with cold rolling wastewaters.

2Within the range of 6.0 to 9.0.

(5) Pipe, tube, and other products.

Subpart I

Pollutant or pollutant propertyBCT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.2250.0964
O&G10.09640.0321
pH(2)(2)

1The limitations for oil and grease shall be applicable when acid pickling wastewaters are treated with cold rolling wastewaters.

2Within the range of 6.0 to 9.0.

(6) Fume scrubbers.

Subpart I

Pollutant or pollutant propertyBCT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kilograms per day
TSS5.722.45
O&G12.450.819
pH(2)(2)

1The limitations for oil and grease shall be applicable when acid pickling wastewaters are treated with cold rolling wastewaters.

2Within the range of 6.0 to 9.0.

The above limitations shall be applicable to each fume scrubber associated with a combination acid pickling operation.

[47 FR 23284, May 27, 1982; 47 FR 41739, Sept. 22, 1982]

Subpart J—Cold Forming Subcategory

§420.100   Applicability; description of the cold forming subcategory.

(a) The provisions of this subpart are applicable to discharges and to the introduction of pollutants into publicly owned treatment works from cold rolling and cold working pipe and tube operations in which unheated steel is passed through rolls or otherwise processed to reduce its thickness, to produce a smooth surface, or to develop controlled mechanical properties in the steel.

(b) The limitations and standards set out below for cold worked pipe and tube operations shall be applicable only where cold worked pipe and tube wastewaters are discharged at steel plant sites. No limitations are applicable or allowable where these wastewaters are hauled off-site for disposal or are otherwise not discharged at steel plant sites. The limitations and standards set out below for cold worked pipe and tube operations shall be applicable only to the blowdown of soluble oil or water solutions used in cold worked pipe and tube forming operations. Limitations for other wastewater sources from these operations must be established on a site-specific basis.

[47 FR 23284, May 27, 1982, as amended at 49 FR 21034, May 17, 1984]

§420.101   Specialized definitions.

(a) The term recirculation means those cold rolling operations which include recirculation of rolling solutions at all mill stands.

(b) The term combination means those cold rolling operations which include recirculation of rolling solutions at one or more mill stands, and once-through use of rolling solutions at the remaining stand or stands.

(c) The term direct application means those cold rolling operations which include once-through use of rolling solutions at all mill stands.

(d) The term single stand means those recirculation or direct application cold rolling mills which include only one stand of work rolls.

(e) The term multiple stands means those recirculation or direct application cold rolling mills which include more than one stand of work rolls.

(f) The term cold worked pipe and tube means those cold forming operations that process unheated pipe and tube products using either water or oil solutions for cooling and lubrication.

§420.102   Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).

Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.

(a) Cold rolling mills—(1) Recirculation—single stand.

Subpart J

Pollutant or pollutant propertyBPT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.001250.000626
O&G0.0005220.000209
Chromium10.00002090.0000084
Lead0.00000940.0000031
Nickel10.00001880.0000063
Zinc0.00000630.0000021
Naphthalene0.0000021
Tetrachloroethylene0.0000031
pH(2)(2)

1The limitations for chromium and nickel shall be applicable in lieu of those for lead and zinc when cold rolling wastewaters are treated with descaling or combination acid pickling wastewaters.

2Within the range of 6.0 to 9.0.

(2) Recirculation—multiple stands.

Subpart J

Pollutant or pollutant propertyBPT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.006260.00313
O&G0.002610.00104
Chromium10.0001040.0000418
Lead0.00004690.0000156
Nickel10.00009390.0000313
Zinc0.00003130.0000104
Naphthalene0.0000104
Tetrachloroethylene0.0000156
pH(2)(2)

1The limitations for chromium and nickel shall be applicable in lieu of those for lead and zinc when cold rolling wastewaters are treated with descaling or combination acid pickling wastewaters.

2Within the range of 6.0 to 9.0.

(3) Combination.

Subpart J

Pollutant or pollutant propertyBPT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.07510.0376
O&G0.03130.0125
Chromium10.001250.000501
Lead0.0005630.000188
Nickel10.001130.000376
Zinc0.0003760.000125
Naphthalene0.000125
Tetrachloroethylene0.000188
pH(2)(2)

1The limitations for chromium and nickel shall be applicable in lieu of those for lead and zinc when cold rolling wastewaters are cotreated with descaling or combination acid pickling wastewaters.

2Within the range of 6.0 to 9.0.

(4) Direct application—single stand.

Subpart J

Pollutant or pollutant propertyBPT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.02250.0113
O&G0.009390.00376
Chromium10.0003760.000150
Lead0.0001690.0000563
Nickel10.0003380.000113
Zinc0.0001130.0000376
Naphthalene0.0000376
Tetrachloroethylene0.0000563
pH(2)(2)

1The limitations for chromium and nickel shall be applicable in lieu of those for lead and zinc when cold rolling wastewaters are treated with descaling or combination acid pickling wastewaters.

2Within the range of 6.0 to 9.0.

(5) Direct application—multiple stands.

Subpart J

Pollutant or pollutant propertyBPT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.1000.0501
O&G0.04170.0167
Chromium10.001670.000668
Lead0.0007510.000250
Nickel10.001500.000501
Zinc0.0005010.000167
Naphthalene0.000167
Tetrachloroethylene0.000250
pH(2)(2)

1The limitations for chromium and nickel shall be applicable in lieu of those for lead and zinc when cold rolling wastewaters are treated with descaling or combination acid pickling wastewaters.

2Within the range of 6.0 to 9.0.

(b) Cold worked pipe and tube—(1) Using water.

Subpart J

Pollutant of pollutant propertyBPT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.001250.000626
O&G0.0005220.000209
Chromium10.00002090.0000084
Lead0.00000940.0000031
Nickel10.00001880.0000063
Zinc0.00000630.0000021
pH(2)(2)

1The limitations for chromium and nickel shall be applicable in lieu of those for lead and zinc when cold forming wastewaters are treated with descaling or combination acid pickling wastewaters.

2Within the range of 6.0 to 9.0.

(2) Using oil solutions.

Subpart J

Pollutant or pollutant propertyBPT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.001250.000626
O&G0.0005220.000209
Chromium10.00002090.0000084
Lead0.00000940.0000031
Nickel10.00001880.0000063
Zinc0.00000630.0000021
Naphthalene0.0000021
Tetrachloroethylene0.0000031
pH(2)(2)

1The limitations for chromium and nickel shall be applicable in lieu of those for lead and zinc when cold forming wastewaters are treated with descaling or combination acid pickling wastewaters.

2Within the range of 6.0 to 9.0.

[47 FR 23284, May 27, 1982, as amended at 49 FR 21034, May 17, 1984; 49 FR 24726, June 15, 1984]

§420.103   Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).

Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.

(a) Cold rolling mills—(1) Recirculation—single stand.

Subpart J

Pollutant or pollutant propertyBAT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
Chromium10.00002090.0000084
Lead0.00000940.0000031
Nickel10.00001880.0000063
Zinc0.00000630.0000021
Naphthalene0.0000021
Tetrachloroethylene0.0000031

1The limitations for chromium and nickel shall be applicable in lieu of those for lead and zinc when cold rolling wastewaters are treated with descaling or combination acid pickling wastewaters.

(2) Recirculation—multiple stands.

Subpart J

Pollutant or pollutant propertyBAT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
Chromium10.0001040.0000418
Lead0.00004690.0000156
Nickel10.00009390.0000313
Zinc0.00003130.0000104
Naphthalene0.0000104
Tetrachloroethylene0.0000156

1The limitations for chromium and nickel shall be applicable in lieu of those for lead and zinc when cold rolling wastewaters are treated with descaling or combination acid pickling wastewaters.

(3) Combination.

Subpart J

Pollutant or pollutant propertyBAT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
Chromium10.001250.000501
Lead0.0005630.000188
Nickel10.001130.000376
Zinc0.0003760.000125
Naphthalene0.000125
Tetrachloroethylene0.000188

1The limitations for chromium and nickel shall be applicable in lieu of those for lead and zinc when cold rolling wastewaters are cotreated with descaling or combination acid pickling wastewaters.

(4) Direct application—single stand.

Subpart J

Pollutant or pollutant propertyBAT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
Chromium10.0003760.000150
Lead0.0001690.0000563
Nickel10.0003380.000113
Zinc0.0001130.0000376
Naphthalene0.0000376
Tetrachloroethylene0.0000563

1The limitations for chromium and nickel shall be applicable in lieu of those for lead and zinc when cold rolling wastewaters are treated with descaling or combination acid pickling wastewaters.

(5) Direct application—multiple stands.

Subpart J

Pollutant or pollutant propertyBAT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
Chromium10.001670.000668
Lead0.0007510.000250
Nickel10.001500.000501
Zinc0.0005010.000167
Naphthalene0.000167
Tetrachloroethylene0.000250

1The limitations for chromium and nickel shall be applicable in lieu of those for lead and zinc when cold rolling wastewaters are treated with descaling or combination acid pickling wastewaters.

(b) Cold worked pipe and tube—(1) Using water.

Subpart J

Pollutant or pollutant propertyBAT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
Chromium10.00002090.0000084
Lead0.00000940.0000031
Nickel10.00001880.0000063
Zinc0.00000630.0000021

1The limitations for chromium and nickel shall be applicable in lieu of those for lead and zinc when cold forming wastewaters are treated with descaling or combination acid pickling wastewaters.

(2) Using oil solutions.

Subpart J

Pollutant or pollutant propertyBAT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
Chromium10.00002090.0000084
Lead0.00000940.0000031
Nickel10.00001880.0000063
Zinc0.00000630.0000021
Naphthalene0.0000021
Tetrachloroethylene0.0000031

1The limitations for chromium and nickel shall be applicable in lieu of those for lead and zinc when cold forming wastewaters are treated with descaling or combination acid pickling wastewaters.

[47 FR 23284, May 27, 1982, as amended at 49 FR 21035, May 17, 1984]

§420.104   New source performance standards (NSPS).

The discharge of wastewater pollutants from any new source subject to this subpart shall not exceed the standards set forth below.

(a) Cold rolling mills—(1) Recirculation—single stand.

Subpart J

Pollutant or pollutant propertyNew source performance standards
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.001250.000626
O&G0.0005220.000209
Chromium10.00002090.0000084
Lead0.00000940.0000031
Nickel10.00001880.0000063
Zinc0.00000630.0000021
Naphthalene0.0000021
Tetrachloroethylene0.0000031
pH(2)(2)

1The limitations for chromium and nickel shall be applicable in lieu of those for lead and zinc when cold rolling wastewaters are cotreated with descaling or combination acid pickling wastewaters.

2Within the range of 6.0 to 9.0.

(2) Recirculation—multiple stands.

Subpart J

Pollutant or pollutant propertyNew source performance standards
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.002500.00125
O&G0.001040.000417
Chromium10.00004180.0000167
Lead0.00001880.0000063
Nickel10.00003760.0000125
Zinc0.00001250.0000042
Naphthalene0.0000042
Tetrachloroethylene0.0000063
pH(2)(2)

1The limitations for chromium and nickel shall be applicable in lieu of those for lead and zinc when cold rolling wastewaters are treated with descaling or combination acid pickling wastewaters.

2Within the range of 6.0 to 9.0.

(3) Combination.

Subpart J

Pollutant or pollutant propertyNew source performance standards
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.03260.0163
O&G0.01360.00543
Chromium10.0005430.000217
Lead0.0002440.0000814
Nickel10.0004880.000163
Zinc0.0001630.0000542
Naphthalene0.0000542
Tetrachloroethylene0.0000813
pH(2)(2)

1The limitations for chromium and nickel shall be applicable in lieu of those for lead and zinc when cold rolling wastwaters are treated with descaling or combination acid pickling wastewaters.

2Within the range of 6.0 to 9.0.

(4) Direct application—single stand.

Subpart J

Pollutant or pollutant propertyNew source performance standards
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.006260.00313
O&G0.002610.00104
Chromium10.0001040.0000418
Lead0.00004690.0000156
Nickel10.00009390.0000313
Zinc0.00003130.0000104
Naphthalene0.0000104
Tetrachloro-ethylene0.0000156
pH(2)(2)

1The limitations for chromium and nickel shall be applicable in lieu of those for lead and zinc when cold rolling wastewaters are treated with descaling or combination acid pickling watewaters.

2Within the range of 6.0 to 9.0.

(5) Direct application—multiple stands.

Subpart J

Pollutant or pollutant propertyNew source performance standards
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.07260.0363
O&G0.03020.0121
Chromium10.001210.000484
Lead0.0005450.000182
Nickel10.001090.000363
Zinc0.0003630.000121
Naphthalene0.000121
Tetrachloro-ethylene0.000182
pH(2)(2)

1The limitations for chromium and nickel shall be applicable in lieu of those for lead and zinc when cold rolling wastewaters are treated with descaling or combination acid pickling watewaters.

2Within the range of 6.0 to 9.0.

(b) Cold worked pipe and tube mills—(1) Using water.

Subpart J

Pollutant or pollutant propertyNew source performance standards
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.001250.000626
O&G0.0005220.000209
Chromium10.00002090.0000084
Lead0.00000940.0000031
Nickel10.00001880.0000063
Zinc0.00000630.0000021
pH(2)(2)

1The limitations for chromium and nickel shall be applicable in lieu of those for lead and zinc when cold forming wastewaters are cotreated with descaling or combination acid pickling wastewaters.

2Within the range of 6.0 to 9.0.

(2) Using oil solutions.

Subpart J

Pollutant or pollutant propertyNew Source Performance Standards
Maximum for any 1 dayAverage of daily values for 30 consecutive days
kg/kkg (pounds per 1,000 lb) of product
TSS0.001250.000626
O&G0.0005220.000209
Chromium10.00002090.0000084
Lead0.00000940.0000031
Nickel10.00001880.0000063
Zinc0.00000630.0000021
Naphthalene0.0000021
Tetrachloroethylene0.0000031
pH(2)(2)

1The limitations for chromium and nickel shall be applicable in lieu of those for lead and zinc when cold forming wastewaters are cotreated with descaling or combination acid pickling wastewaters.

2Within the range of 6.0 to 9.0.

[47 FR 23284, May 27, 1982, as amended at 49 FR 21035, May 17, 1984; 49 FR 24726, June 15, 1984]

§420.105   Pretreatment standards for existing sources (PSES).

Except as provided in 40 CFR 403.7 and 403.13, any existing source subject to this subpart which introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for existing sources.

(a) Cold rolling—(1) Recirculation—single stand.

Subpart J

Pollutant or pollutant propertyPretreatment standards for existing sources
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
Chromium10.00002090.0000084
Lead0.00000940.0000031
Nickel10.00001880.0000063
Zinc0.00000630.0000021
Naphthalene0.0000021
Tetrachloroethylene0.0000031

1The limitations for chromium and nickel shall be applicable in lieu of those for lead and zinc when cold rolling wastewaters are treated with descaling or combination acid pickling wastewaters.

(2) Recirculation—multiple stands.

Subpart J

Pollutant or pollutant propertyPretreatment standards for existing sources
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
Chromium10.0001040.0000418
Lead0.00004690.0000156
Nickel10.00009390.0000313
Zinc0.00003130.0000104
Naphthalene0.0000104
Tetrachloroethylene0.0000156

1The limitations for chromium and nickel shall be applicable in lieu of those for lead and zinc when cold rolling wastewaters are treated with descaling or combination acid pickling wastewaters.

(3) Combination.

Subpart J

Pollutant or pollutant propertyPretreatment standards for existing sources
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
Chromium10.001250.000501
Lead0.0005630.000188
Nickel10.001130.000376
Zinc0.0003760.000125
Naphthalene0.000125
Tetrachloroethylene0.000188

1The limitations for chromium and nickel shall be applicable in lieu of those for lead and zinc when cold rolling wastewaters are treated with descaling or combination acid pickling wastewaters.

(4) Direct application—single stand.

Subpart J

Pollutant or pollutant propertyPretreatment standards for existing sources
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
Chromium10.0003760.000150
Lead0.0001690.0000563
Nickel10.0003380.000113
Zinc0.0001130.0000376
Naphthalene0.0000376
Tetrachloroethylene0.0000563

1The limitations for chromium and nickel shall be applicable in lieu of those for lead and zinc when cold rolling wastewaters are treated with descaling or combination acid pickling wastewaters.

(5) Direct application—multiple stands.

Subpart J

Pollutant or pollutant propertyPretreatment standards for existing sources
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
Chromium10.001670.000668
Lead0.0007510.000250
Nickel10.001500.000501
Zinc0.0005010.000167
Napthalene0.000167
Tetrachloroethylene0.000250

1The limitations for chromium and nickel shall be applicable in lieu of those for lead and zinc when cold rolling wastewaters are treated with descaling or combination acid pickling wastewaters.

(b) Cold worked pipe and tube mills—(1) Using water.

Subpart J

Pollutant or pollutant propertyPretreatment standards for existing sources
Maximum for any 1 dayAverage of daily values for 30 consecutive days
kg/kkg (pounds per 1,000 lb) of product
Chromium10.00002090.0000084
Lead0.00000940.0000031
Nickel10.00001880.0000063
Zinc0.00000630.0000021

1The limitations for chromium and nickel shall be applicable in lieu of those for lead and zinc when cold forming wastewaters are treated with descaling or combination acid pickling wastewaters.

(2) Using oil solutions.

Subpart J

Pollutant or pollutant propertyPretreatment standards for existing sources
Maximum for any 1 dayAverage of daily values for 30 consecutive days
kg/kkg (pounds per 1,000 lb) of product
Chromium10.00002090.0000084
Lead0.00000940.0000031
Nickel10.00001880.0000063
Zinc0.00000630.0000021
Naphthalene0.0000021
Tetrachloroethylene0.0000031

1The limitations for chromium and nickel shall be applicable in lieu of those for lead and zinc when cold forming wastewaters are treated with descaling or combination acid pickling wastewaters.

[47 FR 23284, May 27, 1982, as amended at 49 FR 21035, May 17, 1984]

§420.106   Pretreatment standards for new sources (PSNS).

Except as provided in 40 CFR 403.7, any new source subject to this subpart which introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for new sources.

(a) Cold rolling—(1) Recirculation—single stand.

Subpart J

Pollutant or pollutant propertyPretreatment standards for new sources
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
Chromium10.00002090.0000084
Lead0.00000940.0000031
Nickel10.00001880.0000063
Zinc0.00000630.0000021
Naphthalene0.0000021
Tetrachloroethylene0.0000031

1The limitations for chromium and nickel shall be applicable in lieu of those for lead and zinc when cold rolling wastewaters are treated with descaling or combination acid pickling wastewaters.

(2) Recirculation—multiple stands.

Subpart J

Pollutant or pollutant propertyPretreatment standards for new sources
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
Chromium10.00004180.0000167
Lead0.00001880.0000063
Nickel10.00003760.0000125
Zinc0.00001250.0000042
Naphthalene0.0000042
Tetrachloroethylene0.0000063

1The limitations for chromium and nickel shall be applicable in lieu of those for lead and zinc when cold rolling wastewaters are treated with descaling or combination acid pickling wastewaters.

(3) Combination.

Subpart J

Pollutant or pollutant propertyPretreatment standards for new sources
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
Chromium10.0005430.000217
Lead0.0002440.0000814
Nickel10.0004880.000163
Zinc0.0001630.0000542
Naphthalene0.0000542
Tetrachloroethylene0.0000813

1The limitations for chromium and nickel shall be applicable in lieu of those for lead and zinc when cold rolling wastewaters are treated with descaling or combination acid pickling wastewaters.

(4) Direct application—single stand.

Subpart J

Pollutant or pollutant propertyPretreatment standards for new sources
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg pounds per 1,000 lb) of product
Chromium10.0001040.0000418
Lead0.00004690.0000156
Nickel10.00009390.0000313
Zinc0.00003130.0000104
Naphthalene0.0000104
Tetrachloroethylene0.0000156

1The limitations for chromium and nickel shall be applicable in lieu of those for lead and zinc when cold rolling wastewaters are treated with descaling or combination acid pickling wastewaters.

(5) Direct application—multiple stands.

Subpart J

Pollutant or pollutant propertyPretreatment standards for new sources
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg pounds per 1,000 lb) of product
Chromium10.001210.000484
Lead0.0005450.000182
Nickel10.001090.000363
Zinc0.0003630.000121
Naphthalene0.000121
Tetrachloroethylene0.000182

1The limitations for chromium and nickel shall be applicable in lieu of those for lead and zinc when cold rolling wastewaters are treated with descaling or combination acid pickling wastewaters.

(b) Cold worked pipe and tube mills—(1) Using water.

Subpart J

Pollutant or pollutant propertyPretreatment standards for new sources
Maximum for any one dayAverage of daily values for 30 consecutive days
kg/kkg (pounds per 1,000 lb) of product
Chromium10.00002090.0000084
Lead0.00000940.0000031
Nickel10.00001880.0000063
Zinc0.00000630.0000021

1The limitations for chromium and nickel shall be applicable in lieu of those for lead and zinc when cold forming wastewaters are treated with descaling or combination acid pickling wastewaters.

(2) Using oil solutions.

Subpart J

Pollutant or pollutant propertyPretreatment standards for new sources
Maximum for any one dayAverage of daily values for 30 consecutive days
kg/kkg (pound per 1,000 lb) of product
Chromium10.00002090.0000084
Lead0.00000940.0000031
Nickel10.00001880.0000063
Zinc0.00000630.0000021
Naphthalene0.0000021
Tetrachloroethylene0.0000031

1The limitations for chromium and nickel shall be applicable in lieu of those for lead and zinc when cold forming wastewaters are treated with descaling or combination acid pickling wastewasters.

[47 FR 23284, May 27, 1982, as amended at 49 FR 21035, May 17, 1984]

§420.107   Effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional technology (BCT).

Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional technology.

(a) Cold rolling mills—(1) Recirculation—single stand.

Subpart J

Pollutant or pollutant propertyBCT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.001250.000626
O&G0.0005220.000209
pH(1)(1)

1Within the range of 6.0 to 9.0.

(2) Recirculation—multiple stands.

Subpart J

Pollutant or pollutant propertyBCT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.006260.00313
O&G0.002610.00104
pH(1)(1)

1Within the range of 6.0 to 9.0.

(3) Combination.

Subpart J

Pollutant or pollutant propertyBCT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.07510.0376
O&G0.03130.0125
pH(1)(1)

1Within the range of 6.0 to 9.0.

(4) Direct application—single stand.

Subpart J

Pollutant or pollutant propertyBCT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.02250.0113
O&G0.009390.00376
pH(1)(1)

1Within the range of 6.0 to 9.0.

(5) Direct application—multiple stands.

Subpart J

Pollutant or pollutant propertyBCT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.1000.0501
O&G0.04170.0167
pH(1)(1)

1Within the range of 6.0 to 9.0.

(b) Cold worked pipe and tube—(1) Using water.

Subpart J

Pollutant or pollutant propertyBCT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
kg/kkg (pounds per 1,000 lb) of product
TSS0.001250.000626
O&G0.0005220.000209
pH(1)(1)

1Within the range of 6.0 to 9.0

(2) Using oil solutions.

Subpart J

Pollutant or pollutant propertyBCT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
kg/kkg (pounds per 1,000 lb) of product
TSS0.001250.000626
O&G0.0005220.000209
pH(1)(1)

1Within the range of 6.0 to 9.0

[47 FR 23284, May 27, 1982, as amended at 49 FR 21035, May 17, 1984]

Subpart K—Alkaline Cleaning Subcategory

§420.110   Applicability; description of the alkaline cleaning subcategory.

The provisions of this subpart are applicable to discharges and to the introduction of pollutants into publicly owned treatment works resulting from operations in which steel and steel products are immersed in alkaline cleaning baths to remove mineral and animal fats or oils from the steel, and those rinsing operations which follow such immersion.

§420.111   Specialized definitions.

(a) The term batch means those alkaline cleaning operations which process steel products such as coiled wire, rods, and tubes in discrete batches or bundles.

(b) The term continuous means those alkaline cleaning operations which process steel products other than in discrete batches or bundles.

§420.112   Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).

Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.

(a) Batch.

Subpart K

Pollutant or pollutant propertyBPT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.07300.0313
O&G0.03130.0104
pH(1)      (1)      

1Within the range of 6.0 to 9.0.

(b) Continuous.

Subpart K

Pollutant or pollutant propertyBPT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of products
TSS0.1020.0438
O&G0.04380.0146
pH(1)(1)

1Within the range of 6.0 to 9.0.

§420.113   Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).

The Agency has determined that there are not significant quantities of toxic pollutants in alkaline cleaning wastewaters after compliance with applicable BPT limitations. Accordingly, since the BPT level of treatment provides adequate control, the Agency is not promulgating more stringent BAT limitations.

§420.114   New source performance standards (NSPS).

The discharge of wastewater pollutants from any new source subject to this subpart shall not exceed the standards set forth below.

(a) Batch and continuous.

Subpart K

Pollutant or pollutant propertyNew source performance standards
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.01460.00626
O&G0.006260.00209
pH(1)(1)

1Within the range of 6.0 to 9.0.

§420.115   Pretreatment standards for existing sources (PSES).

Any existing source subject to this subpart which introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403.

§420.116   Pretreatment standards for new sources (PSNS).

Any new source subject to this subpart which introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403.

§420.117   Effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional technology (BCT).

Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional technology.

(a) Batch.

Subpart K

Pollutant or pollutant propertyBCT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.07300.0313
O&G0.03130.0104
pH(1)(1)

1Within the range of 6.0 to 9.0.

(b) Continuous.

Subpart K

Pollutant or pollutant propertyBCT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.1020.0438
O&G0.04380.0146
pH(1)(1)

1Within the range of 6.0 to 9.0.

Subpart L—Hot Coating Subcategory

§420.120   Applicability; description of the hot coating subcategory.

(a) The provisions of this subpart are applicable to discharges and to the introduction of pollutants into publicly owned treatment works resulting from the operations in which steel is coated with zinc, terne metal, or other metals by the hot dip process, and those rinsing operations associated with that process.

(b) The BPT and BAT limitations for zinc set out below are not applicable to hot coating operations with wastewater treatment facilities achieving, during periods of normal production, zinc discharge levels more stringent than those BPT and BAT limitations. For such operations, the BPT and BAT limitations for zinc shall be determined on a case-by-case basis based upon the existing performance of the wastewater treatment facility. The permitting authority shall evaluate representative effluent data from the wastewater treatment facility during periods of normal production in establishing the case-by-case BPT and BAT limitations. The BPT and BAT limitations specified in 40 CFR 420.122 and 420.123 may be used as the basis for calculating total mass limitations for zinc pursuant to 40 CFR 420.03.

[47 FR 23284, May 27, 1982, as amended at 49 FR 21036, May 17, 1984]

§420.121   Specialized definitions.

(a) The term galvanizing means coating steel products with zinc by the hot dip process including the immersion of the steel product in a molten bath of zinc metal, and the related operations preceding and subsequent to the immersion phase.

(b) The term terne coating means coating steel products with terne metal by the hot dip process including the immersion of the steel product in a molten bath of lead and tin metals, and the related operations preceding and subsequent to the immersion phase.

(c) The term other coatings means coating steel products with metals other than zinc or terne metal by the hot dip process including the immersion of the steel product in a molten bath of metal, and the related operations preceding the subsequent to the immersion phase.

(d) The term fume scrubber means wet air pollution control devices used to remove and clean fumes originating from hot coating operations.

(e) The term strip, sheet, and miscellaneous products means steel products other than wire products and fasteners.

(f) The term wire products and fasteners means steel wire, products manufactured from steel wire, and steel fasteners manufactured from steel wire or other steel shapes.

§420.122   Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).

Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.

(a) Galvanizing, terne coating, and other coatings—(1) Strip, sheet, and miscellaneous products.

Subpart L

Pollutant or pollutant propertyBPT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.1750.0751
O&G0.07510.0250
Lead0.001130.000376
Zinc0.001500.000500
Chromium (hexavalent)10.0001500.0000501
pH(2)(2)

1The limitations for hexavalent chromium shall apply only to galvanizing operations which discharge wastewaters from the chromate rinse step.

2Within the range of 6.0 to 9.0.

(2) [Reserved]

(b) Galvanizing and other coatings—(1) Wire products and fasteners.

Subpart L

Pollutant or pollutant propertyBPT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.7010.300
O&G0.3000.100
Lead0.004510.00150
Zinc0.006010.00200
Chromium (hexavalent)10.0006000.000200
pH(2)(2)

1The limitations for hexavalent chromium shall be applicable only to galvanizing operations which discharge wastewaters from the chromate rinse step.

2Within the range of 6.0 to 9.0.

(2) [Reserved]

(c) Fume scrubbers.

Subpart L

Pollutant or pollutant propertyBPT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg per day
TSS38.116.3
O&G16.35.45
Lead0.2450.0819
Zinc0.3270.109
Chromium (hexavalent)10.03270.0109
pH(2)(2)

1The limitations for hexavalent chromium shall be applicable only to galvanizing operations which discharge wastewaters from the chromate rinse step.

2Within the range of 6.0 to 9.0.

The above limitations shall be applicable to each fume scrubber associated with any of the coating operations specified above.

[47 FR 23284, May 27, 1982; 47 FR 41739, Sept. 22, 1982, as amended at 49 FR 21036, May 17, 1984]

§420.123   Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).

Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.

(a) Galvanizing, terne coating and other coatings—(1) Strip, sheet, and miscellaneous products scrubbers.

Subpart L

Pollutant or pollutant propertyBAT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
Lead0.001130.000376
Zinc0.001500.000500
Chromium (hexavalent)10.0001500.0000501

1The limitations for hexavalent chromium shall be applicable only to galvanizing operations which discharge wastewater from the chromate rinse step.

(2) [Reserved]

(b) Galvanizing and other coatings—(1) Wire products and fasteners.

Subpart L

Pollutant or pollutant propertyBAT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
Lead0.004510.00150
Zinc0.006010.00200
Chromium (hexavalent)10.0006010.000200

1The limitations for hexavalent chromium shall be applicable only to galvanizing operations which discharge wastewaters from the chromate rinse step.

(2) [Reserved]

(c) Fume scrubbers.

Subpart L

Pollutant or pollutant propertyBAT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg per day
Lead0.03680.0123
Zinc0.04910.0164
Chromium (hexavalent)10.004900.00163

1The limitations for hexavalent chromium shall be applicable only to galvanizing operations which discharge wastewaters from the chromate rinse step.

The above limitations shall be applicable to each fume scrubber associated with any of the coating operations specified above.

[47 FR 23284, May 27, 1982, as amended at 49 FR 21036, May 17, 1984]

§420.124   New source performance standards (NSPS).

The discharge of wastewater pollutants from any new source subject to this subpart shall not exceed the standards set forth below.

(a) Galvanizing, terne coating and other coatings—(1) Strip, sheet, and miscellaneous products.

Subpart L

Pollutant or pollutant propertyNew source performance standards
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.04380.0188
O&G0.01880.00626
Lead0.0002820.0000939
Zinc0.0003760.000125
Chromium (hexavalent)10.00003760.0000125
pH(2)(2)

1The limitations for hexavalent chromium shall be applicable only to galvanizing operations which discharge wastewaters from the chromate rinse step.

2Within the range of 6.0 to 9.0.

(2) [Reserved]

(b) Galvanizing and other coatings—(1) Wire products and fasteners.

Subpart L

Pollutant or pollutant propertyNew source performance standards
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.1750.0751
O&G0.07510.0250
Lead0.001130.000376
Zinc0.001500.000500
Chromium (hexavalent)10.0001500.0000501
pH(1)(1)

1The limitations for hexavalent chromium shall be applicable only to galvanizing operations which discharge wastewaters from the chromate rinse step.

2Within the range of 6.0 to 9.0.

(2) [Reserved]

(c) Fume scrubbers.

Subpart L

New source performance standardsPollutant or pollutant property
Maximum for any 1 dayAverage of daily values for 30 consecutive days
kg/per day
TSS5.722.45
O&G2.450.819
Lead0.03680.0123
Zinc0.04910.0164
Chromium (hexavalent)10.004900.00163
pH(2)(2)

1The limitations for hexavalent chromium shall be applicable only to galvanizing operations which discharge wastewaters from the chromate rinse step.

2Within the range of 6.0 to 9.0.

The above limitations shall be applicable to each fume scrubber associated with any of the coating operations specified above.

[47 FR 23284, May 27, 1982, as amended at 49 FR 21036, May 17, 1984]

§420.125   Pretreatment standards for existing sources (PSES).

Except as provided in 40 CFR 403.7 and 403.13, any existing source subject to this subpart which introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for existing sources.

(a) Galvanizing, terne coating and other coatings—(1) Strip, sheet, and miscellaneous products.

Subpart L

Pretreatment standards for existing sourcesPollutant or pollutant property
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
Lead0.001130.000376
Zinc0.001500.000500
Chromium (hexavalent)10.0001500.0000501

1The limitations for hexavalent chromium shall be applicable only to galvanizing operations which discharge wastewaters from the chromate rinse step.

(2) [Reserved]

(b) Galvanizing and other coatings—(1) Wire products and fasteners.

Subpart L

Pollutant or pollutant propertyPretreatment standards for existing sources
Maximum for any 1 dayAverage of daily values for 30 consecutive days
kg/kkg (pounds per 1,000 lb) of product
Lead0.004510.00150
Zinc0.006010.00200
Chromium (hexavalent)10.0006010.000200

1The limitations for hexavalent chromium shall be applicable only to galvanizing operations which discharge wastewaters from the chromate rinse step.

(2) [Reserved]

(c) Fume scrubbers.

Subpart L

Pollutant or pollutant propertyPretreatment standards for existing sources
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg per day
Lead0.03680.0123
Zinc0.04910.0164
Chromium (hexavalent)10.004900.00163

1The limitations for hexavalent chromium shall be applicable only to galvanizing operations which discharge wastewaters from the chromate rinse step.

The above limitations shall be applicable to each fume scrubber associated with any of the coating operations specified above.

[47 FR 23284, May 27, 1982, as amended at 49 FR 21037, May 17, 1984]

§420.126   Pretreatment standards for new sources (PSNS).

Except as provided in 40 CFR 403.7, any new source subject to this subpart which introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for new sources:

(a) Galvanizing, terne coatings and other coatings—(1) Strip, sheet, and miscellaneous products.

Subpart L

Pollutant or pollutant propertyPretreatment standards for new sources
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
Lead0.0002820.0000939
Zinc0.0003760.000125
Chromium (hexavalent)10.00003760.0000125

1The limitations for hexavalent chromium shall be applicable only to galvanizing operations which discharge wastewaters from the chromate rinse step.

(2) [Reserved]

(b) Galvanizing and other coatings—(1) Wire products and fasteners.

Subpart L

Pollutant or pollutant propertyPretreatment standards for new sources
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
Lead0.001130.000376
Zinc0.001500.000500
Chromium (hexavalent)10.0001500.0000501

1The limitations for hexavalent chromium shall be applicable only to galvanizing operations which discharge wastewaters from the chromate rinse step.

(2) [Reserved]

(c) Fume scrubbers.

Subpart L

Pollutant or pollutant propertyPretreatment standards for new sources
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kilograms per day
Lead0.03680.0123
Zinc0.04910.0164
Chromium (Hexavalent)10.004900.00163

1The limitations for hexavalent chromium shall be applicable only to galvanizing operations which discharge wastewaters from the chromate rinse step.

The above limitations shall be applicable to each fume scrubber associated with any of the coating operations specified above.

[47 FR 23284, May 27, 1982, as amended at 49 FR 21037, May 17, 1984]

§420.127   Effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional technology (BCT).

Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional technology.

(a) Galvanizing, terne coating, and other coatings—(1) Strip, sheet, and miscellaneous products.

Subpart L

Pollutant or pollutant propertyBCT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.1750.0751
O&G0.07510.0250
pH(1)(1)

1Within the range of 6.0 to 9.0.

(2) [Reserved]

(b) Galvanizing and other coatings—(1) Wire products and fasteners.

Subpart L

Pollutant or pollutant propertyBCT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.7010.300
O&G0.3000.100
pH(1)(1)

1Within the range of 6.0 to 9.0.

(2) [Reserved]

(c) Fume scrubbers.

Subpart LBAT Effluent Limitations

Pollutant or pollutant propertyBCT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kilograms per day
TSS38.116.3
O&G16.35.45
pH(1)(1)

1Within the range of 6.0 to 9.0.

The above limitations shall be applicable to each fume scrubber associated with any of the coating operations specified above.

Subpart M—Other Operations Subcategory

Source: 67 FR 64268, Oct. 17, 2002, unless otherwise noted.

§420.130   Applicability.

The provisions of this subpart are applicable to discharges to waters of the U.S. and the introduction of pollutants into publicly owned treatment works resulting from production of direct-reduced iron and from briquetting and forging operations.

§420.131   Specialized definitions.

As used in this subpart:

(a) The term briquetting operations means a hot or cold process that agglomerates (presses together) iron-bearing materials into small lumps without melting or fusion. Used as a concentrated iron ore substitute for scrap in electric furnaces.

(b) The term direct-reduced iron (DRI) means iron produced by reduction of iron ore (pellets or briquettes) using gaseous (carbon monoxide-carbon dioxide, hydrogen) or solid reactants.

(c) The term forging means the hot-working of heated steel shapes (e.g., ingots, blooms, billets, slabs) by hammering or hydraulic presses, performed at iron and steel mills.

(d) For briquetting operations, the term product means the amount in tons of briquettes manufactured by hot or cold agglomeration processes.

(e) For direct reduced iron (DRI), the term product means the amount of direct reduced iron and any fines that are produced and sold commercially (as opposed to fines that may be reprocessed on site).

(f) For forging, the term product means the tons of finished steel forgings produced by hot working steel shapes.

(g) The term O&G (as HEM) means total recoverable oil & grease measured as n-hexane extractable materials.

§420.132   Effluent limitations attainable by the application of the best practicable control technology currently available (BPT).

Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart must achieve, for each applicable segment, the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT):

(a) Direct-reduced iron.

Subpart M—Effluent Limitations (BPT)

PollutantMaximum daily1Maximum monthly avg.1
TSS0.009980.00465
pH(2)(2)

1Pounds per thousand pound of product.

2Within the range of 6.0 to 9.0.

(b) Forging operations.

Subpart M—Effluent Limitations (BPT)

PollutantMaximum daily1Maximum monthly avg.1
O&G (as HEM)0.007460.00446
TSS0.01230.00508
pH(2)(2)

1Pounds per thousand pound of product.

2Within the range of 6.0 to 9.0.

(c) Briquetting. There shall be no discharge of process wastewater pollutants to waters of the U.S.

§420.133   Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).

Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best available control technology economically achievable (BAT):

(a) Direct-reduced iron. [Reserved]

(b) Forging operations. [Reserved]

(c) Briquetting. There shall be no discharge of process wastewater pollutants.

§420.134   New source performance standards (NSPS).

New sources subject to this subpart must achieve the following new source performance standards (NSPS), as applicable.

(a) Direct-reduced iron.

Subpart M—New Source Performance Standards (NSPS)

PollutantMaximum daily1Maximum monthly avg.1
TSS0.009980.00465
pH(2)(2)

1Pounds per thousand pound of product.

2Within the range of 6.0 to 9.0.

(b) Forging operations.

Subpart M—New Source Performance Standards (NSPS)

PollutantMaximum daily1Maximum monthly avg.1
O&G (as HEM)0.007460.00446
TSS0.01230.00508
pH(2)(2)

1Pounds per thousand pound of product.

2Within the range of 6.0 to 9.0.

(c) Briquetting. There shall be no discharge of process wastewater pollutants to waters of the U.S.

§420.135   Pretreatment standards for existing sources (PSES).

Except as provided in 40 CFR 403.7 and 403.13, any existing source subject to this subpart that introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and must achieve the following pretreatment standards for existing sources (PSES):

(a) Direct-reduced iron. [Reserved]

(b) Forging operations. [Reserved]

(c) Briquetting. There shall be no discharge of process wastewater pollutants to POTWs.

§420.136   Pretreatment standards for new sources (PSNS).

Except as provided in 40 CFR 403.7, any new source subject to this subpart that introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and must achieve the following pretreatment standards for new sources (PSNS):

(a) Direct-reduced iron. [Reserved]

(b) Forging operations. [Reserved]

(c) Briquetting. There shall be no discharge of process wastewater pollutants to POTWs.

§420.137   Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best control technology for conventional pollutants (BCT).

Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best control technology for conventional pollutants (BCT): The limitations shall be the same as those specified for conventional pollutants (which are defined in 40 CFR 401.16) in §420.132 for the best practicable control technology currently available (BPT).



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