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Code of Federal Regulations Title 40. Protection of Environment § 40.420.95 Pretreatment standards for existing sources (PSES)
Current as of January 02, 2025 | Updated by Findlaw Staff
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 |
||
|---|---|---|
|
Pretreatment standards for existing sources |
||
|
Pollutant or pollutant property |
Maximum for any 1 day |
Average of daily values for 30 consecutive days |
|
Kg/kkg (pounds per 1,000 lb) of product |
||
|
Lead |
0.000526 |
0.000175 |
|
Zinc |
0.000701 |
0.000234 |
(2) Bar, billet, and bloom.
|
SUBPART I |
||
|---|---|---|
|
Pretreatment standards for existing sources |
||
|
Pollutant or pollutant property |
Maximum for any 1 day |
Average of daily values for 30 consecutive days |
|
Kg/kkg (pounds per 1,000 lb) of product |
||
|
Lead |
0.000169 |
0.0000563 |
|
Zinc |
0.000225 |
0.0000751 |
(3) Strip, sheet, and plate.
|
SUBPART I |
||
|---|---|---|
|
Pretreatment standards for existing sources |
||
|
Pollutant or pollutant property |
Maximum for any 1 day |
Average of daily values for 30 consecutive days |
|
Kg/kkg (pounds per 1,000 lb) of product |
||
|
Lead |
0.000338 |
0.000113 |
|
Zinc |
0.000451 |
0.000150 |
(4) Pipe, tube, and other products.
|
SUBPART I |
||
|---|---|---|
|
Pretreatment standards for existing sources |
||
|
Pollutant or pollutant property |
Maximum for any 1 day |
Average of daily values for 30 consecutive days |
|
Kg/kkg (pounds per 1,000 lb) of product |
||
|
Lead |
0.000939 |
0.000313 |
|
Zinc |
0.00125 |
0.000417 |
(5) Fume scrubber.
|
SUBPART I |
||
|---|---|---|
|
Pretreatment standards for existing sources |
||
|
Pollutant or pollutant property |
Maximum for any 1 day |
Average of daily values for 30 consecutive days |
|
Kilograms per day |
||
|
Lead |
0.0368 |
0.0123 |
|
Zinc |
0.0491 |
0.0164 |
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 |
||
|---|---|---|
|
Pretreatment standards for existing sources |
||
|
Pollutant or pollutant property |
Maximum for any 1 day |
Average of daily values for 30 consecutive days |
|
Kg/kkg (pounds per 1,000 lb) of product |
||
|
Lead |
0.000920 |
0.000307 |
|
Zinc |
0.00123 |
0.000409 |
(2) Strip, sheet, and plate.
|
SUBPART I |
||
|---|---|---|
|
Pretreatment standards for existing sources |
||
|
Pollutant or pollutant property |
Maximum for any 1 day |
Average of daily values for 30 consecutive days |
|
Kg/kkg (pounds per 1,000 lb) of product |
||
|
Lead |
0.000526 |
0.000175 |
|
Zinc |
0.000701 |
0.000234 |
(3) Pipe, tube, and other products.
|
SUBPART I |
||
|---|---|---|
|
Pretreatment standards for existing sources |
||
|
Pollutant or pollutant property |
Maximum for any 1 day |
Average of daily values for 30 consecutive days |
|
Kg/kkg (pounds per 1,000 lb) of product |
||
|
Lead |
0.00192 |
0.000638 |
|
Zinc |
0.00255 |
0.000851 |
(4) Fume scrubber.
|
SUBPART I |
||
|---|---|---|
|
Pretreatment standards for existing sources |
||
|
Pollutant or pollutant property |
Maximum for any 1 day |
Average of daily values for 30 consecutive days |
|
Kilograms per day |
||
|
Lead |
0.0368 |
0.0123 |
|
Zinc |
0.0491 |
0.0164 |
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 |
||
|---|---|---|
|
Pretreatment standards for existing sources |
||
|
Pollutant or pollutant property |
Maximum for any 1 day |
Average of daily values for 30 consecutive days |
|
Kilograms per day |
||
|
Lead |
0.245 |
0.0819 |
|
Zinc |
0.327 |
0.109 |
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 |
||
|---|---|---|
|
Pretreatment standards for existing sources |
||
|
Pollutant or pollutant property |
Maximum for any 1 day |
Average of daily values for 30 consecutive days |
|
Kg/kkg (pounds per 1,000 lb) of product |
||
|
Chromium |
0.00213 |
0.000852 |
|
Nickel |
0.00192 |
0.000638 |
(2) Bar, billet, and bloom.
|
SUBPART I |
||
|---|---|---|
|
Pretreatment standards for existing sources |
||
|
Pollutant or pollutant property |
Maximum for any 1 day |
Average of daily values for 30 consecutive days |
|
Kg/kkg (pounds per 1,000 lb) of product |
||
|
Chromium |
0.000960 |
0.000384 |
|
Nickel |
0.000864 |
0.000288 |
(3) Strip, sheet, and plate—continuous.
|
SUBPART I |
||
|---|---|---|
|
Pretreatment standards for existing sources |
||
|
Pollutant or pollutant property |
Maximum for any 1 day |
Average of daily values for 30 consecutive days |
|
Kg/kkg (pounds per 1,000 lb) of product |
||
|
Chromium |
0.00626 |
0.00250 |
|
Nickel |
0.00563 |
0.00188 |
(4) Strip, sheet, and plate—batch.
|
SUBPART I |
||
|---|---|---|
|
Pretreatment standards for existing sources |
||
|
Pollutant or pollutant property |
Maximum for any 1 day |
Average of daily values for 30 consecutive days |
|
Kg/kkg (pounds per 1,000 lb) of product |
||
|
Chromium |
0.00192 |
0.000768 |
|
Nickel |
0.00173 |
0.000576 |
(5) Pipe, tube, and other products.
|
SUBPART I |
||
|---|---|---|
|
Pretreatment standards for existing sources |
||
|
Pollutant or pollutant property |
Maximum for any 1 day |
Average of daily values for 30 consecutive days |
|
Kg/kkg (pounds per 1,000 lb) of product |
||
|
Chromium |
0.00322 |
0.00129 |
|
Nickel |
0.00289 |
0.000964 |
(6) Fume scrubber.
|
SUBPART I |
||
|---|---|---|
|
Pretreatment standards for existing sources |
||
|
Pollutant or pollutant property |
Maximum for any 1 day |
Average of daily values for 30 consecutive days |
|
Kilograms per day |
||
|
Chromium |
0.0819 |
0.0327 |
|
Nickel |
0.0735 |
0.0245 |
NOTE: The above limitations shall be applicable to each fume scrubber associated with a combination acid pickling operation.
Cite this article: FindLaw.com - Code of Federal Regulations Title 40. Protection of Environment § 40.420.95 Pretreatment standards for existing sources (PSES) - last updated January 02, 2025 | https://codes.findlaw.com/cfr/title-40-protection-of-environment/cfr-sect-40-420-95/
FindLaw Codes may not reflect the most recent version of the law in your jurisdiction. Please verify the status of the code you are researching with the state legislature before relying on it for your legal needs.
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