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Electronic Code of Federal Regulations

e-CFR data is current as of December 3, 2019

Title 40Chapter ISubchapter NPart 415 → Subpart AU


Title 40: Protection of Environment
PART 415—INORGANIC CHEMICALS MANUFACTURING POINT SOURCE CATEGORY


Subpart AU—Nickel Salts Production Subcategory


Contents
§415.470   Applicability; description of the nickel salts production subcategory.
§415.471   Specialized definitions.
§415.472   Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).
§415.473   Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).
§415.474   Pretreatment standards for existing sources (PSES).
§415.475   New source performance standards (NSPS).
§415.476   Pretreatment standards for new sources (PSNS).
§415.477   Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology (BCT).

Source: 49 FR 33423, Aug. 22, 1984, unless otherwise noted.

§415.470   Applicability; description of the nickel salts production subcategory.

The provisions of this subpart are applicable to discharges and to the introduction of pollutants into treatment works which are publicly owned resulting from the production of nickel salts, including (a) nickel sulfate, nickel chloride, nickel nitrate, and nickel fluoborate, and (b) nickel carbonate.

§415.471   Specialized definitions.

For the purpose of this subpart:

(a) Except as provided below, the general definitions, abbreviations, and methods of analysis set forth in part 401 of this chapter shall apply to this subpart.

(b) The term product shall mean nickel salts.

(c) The term nickel shall mean the total nickel present in the process wastewater stream exiting the wastewater treatment system.

(d) The term copper shall mean the total copper present in the process wastewater stream exiting the wastewater treatment system.

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

(a) Except as provided in 40 CFR 125.30 through 125.32 any existing point source subject to this subpart and producing nickel sulfate, nickel chloride, nickel nitrate, or nickel fluoborate 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):

Subpart AU—Nickel Sulfate, Nickel Chloride, Nickel Nitrate, Nickel Fluoborate

Pollutant or pollutant propertyBPT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (or pounds per/1,000 lb) of product
TSS0.0960.032
Nickel (T)0.00600.0020
pH(1)(1)

1Within the range 6.0 to 9.0.

(b) Except as provided in 40 CFR 125.30 through 125.32 any existing point source subject to this subpart and producing nickel carbonate 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):

Subpart AU—Nickel Carbonate

Pollutant or pollutant propertyBPT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (or pounds per/1,000 lb) of product
TSS17.5.6
Nickel (T)1.10.35
pH(1)(1)

1Within the range 6.0 to 9.0.

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

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

Subpart AU—Nickel Sulfate, Nickel Chloride, Nickel Nitrate, Nickel Fluoborate

Pollutant or pollutant propertyBAT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (or pounds per/1,000 lb) of product
Copper (T)0.000740.00024
Nickel (T)0.000740.00024

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

Subpart AU—Nickel Carbonate

Pollutant or pollutant propertyBAT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (or pounds per/1,000 lb) or product
Copper (T)0.130.042
Nickel (T)0.130.042

§415.474   Pretreatment standards for existing sources (PSES).

(a) Except as provided in 40 CFR 403.7 and 403.13, any existing source subject to this subpart and producing nickel sulfate, nickel chloride, nickel nitrate, or nickel fluoborate 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 (PSES):

Subpart AU—Nickel Sulfate, Nickel Chloride, Nickel Nitrate, Nickel Fluoborate

Pollutant or pollutant propertyPSES effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Milligrams per liter (mg/l)
Copper(T)1.10.36
Nickel(T)1.10.36

In cases where POTWs find it necessary to impose mass limitations, the following equivalent mass limitations are provided as an alternate: The limitations for copper (T) and nickel (T) are the same as specified in §415.473(a).

(b) Except as provided in 40 CFR 403.7 and 403.13, any existing source subject to this subpart and producing nickel carbonate 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 (PSES):

Subpart AU—Nickel Carbonate

Pollutant or pollutant propertyPSES effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Milligrams per liter (mg/l)
Copper(T)1.10.36
Nickel(T)1.10.36

In cases where POTWs find it necessary to impose mass limitations, the following equivalent mass limitations are provided as an alternate: The limitations for copper (T) and nickel (T) are the same as specified in §415.473(b).

§415.475   New source performance standards (NSPS).

(a) Any new source subject to this subpart and producing nickel sulfate, nickel chloride, nickel fluorobate or nickel nitrate must achieve the following new source performance standards (NSPS):

Subpart AU—Nickel Sulfate, Nickel Chloride, Nickel Nitrate, and Nickel Fluoborate

Pollutant or pollutant propertyNSPS effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (or pounds per 1,000 lb) of product
TSS0.0960.032
Copper0.000740.00024
Nickel0.000740.00024
pH(1)(1)

1Within the range 6.0 to 9.0.

(b) Any new source subject to this subpart and producing nickel carbonate must achieve the following new source performance standards (NSPS):

Subpart AU—Nickel Carbonate

Pollutant or pollutant propertyNSPS effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (or pounds per/1,000 lb) or product
TSS17.5.6
Copper0.130.042
Nickel0.130.042
pH(1)(1)

1Within the range 6.0 to 9.0.

§415.476   Pretreatment standards for new sources (PSNS).

(a) Except as provided in 40 CFR 403.7, any new source subject to this subpart and producing nickel sulfate, nickel chloride, nickel fluoborate or nickel nitrate 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 (PSNS): The limitations for copper (T) and nickel (T) are the same as specified in §415.474(a).

(b) Except as provided in 40 CFR 403.7, any new source subject to this subpart and producing nickel carbonate 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 (PSNS): The limitations for copper (T) and nickel (T) are the same as specified in §415.474(b).

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

(a) Except as provided in 40 CFR 125.30 through 125.32 any existing point source subject to this subpart and producing nickel sulfate, nickel chloride, nickel fluoborate or nickel nitrate must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology (BCT): The limitations are the same for TSS and pH as specified in §415.472(a).

(b) Except as provided in 40 CFR 125.30 through 125.32 any existing point source subject to this subpart and producing nickel carbonate must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology (BCT): The limitations are the same for TSS and pH as specified in §415.472(b).

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