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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 BN


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


Subpart BN—Sodium Chlorate Production Subcategory


Contents
§415.660   Applicability; description of the sodium chlorate production subcategory.
§415.661   Specialized definitions.
§415.662   Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).
§415.663   Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).
§415.664   Pretreatment standards for existing sources (PSES). [Reserved]
§415.665   New source performance standards (NSPS).
§415.666   Pretreatment standards for new sources (PSNS).
§415.667   Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology (BCT).

Source: 49 FR 33428, Aug. 22, 1984, unless otherwise noted.

§415.660   Applicability; description of the sodium chlorate 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 sodium chlorate.

§415.661   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 sodium chlorate.

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

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

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

§415.662   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 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 BN—Sodium Chlorate

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
TSS0.120.068
Antimony (T)0.00860.0043
Chromium (T)0.00270.0014
Chlorine (total residual)0.00410.0024
pH(1)(1)

1Within the range 6.0 to 9.0.

(b) [Reserved]

[49 FR 33428, Aug. 22, 1984; 49 FR 37594, Sept. 25, 1984]

§415.663   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).

Subpart BN—Sodium Chlorate

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
Antimony (T)0.00430.0022
Chromium (T)0.00170.00086
Chlorine (total residual)0.00410.0024

[49 FR 33428, Aug. 22, 1984; 49 FR 37594, Sept. 25, 1984]

§415.664   Pretreatment standards for existing sources (PSES). [Reserved]

§415.665   New source performance standards (NSPS).

Any new source subject to this subpart must achieve the following new source performance standards (NSPS):

Subpart BN—Sodium Chlorate

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
TSS0.0760.046
Antimony (T)0.00430.0022
Chromium (T)0.00170.00086
Chlorine (total residual)0.00410.0024
pH(1)(1)

1Within the range 6.0 to 9.0.

§415.666   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 (PSNS):

Subpart BN—Sodium Chlorate

Pollutant or pollutant propertyPSNS effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Milligrams per liter (mg/l)
Antimony (T)1.60.8
Chromium (T)0.640.32

In cases where POTWs find it necessary to impose mass limitations, the following equivalent mass limitations are provided as an alternate: The limitations for antimony(T) and chromium(T) are the same as specified in §415.663.

[49 FR 33428, Aug. 22, 1984; 49 FR 37594, Sept. 25, 1984]

§415.667   Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best conventional pollutant control 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 pollutant control technology (BCT): The limitations are the same for TSS and pH as specified in §415.662.

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