Pretreatment standards for existing sources (PSES).

  1. Law
  2. CFR 40
  3. Protection of Environment
  4. Environmental Protection Agency
  5. Effluent Guidelines and Standards
  6. Iron and Steel Manufacturing Point Source Category
  7. Acid Pickling Subcategory
  8. Pretreatment standards for existing sources (PSES).

Checkout our iOS App for a better way to browser and research.

§ 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.

Expand Table

Subpart I

Pollutant or pollutant property Pretreatment standards for existing sources
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.

Expand Table

Subpart I

Pollutant or pollutant property Pretreatment standards for existing sources
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.

Expand Table

Subpart I

Pollutant or pollutant property Pretreatment standards for existing sources
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.

Expand Table

Subpart I

Pollutant or pollutant property Pretreatment standards for existing sources
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.

Expand Table

Subpart I

Pollutant or pollutant property Pretreatment standards for existing sources
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.

Expand Table

Subpart I

Pollutant or pollutant property Pretreatment standards for existing sources
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.

Expand Table

Subpart I

Pollutant or pollutant property Pretreatment standards for existing sources
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.

Expand Table

Subpart I

Pollutant or pollutant property Pretreatment standards for existing sources
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.

Expand Table

Subpart I

Pollutant or pollutant property Pretreatment standards for existing sources
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).

Expand Table

Subpart I

Pollutant or pollutant property Pretreatment standards for existing sources
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.

Expand Table

Subpart I

Pollutant or pollutant property Pretreatment standards for existing sources
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.

Expand Table

Subpart I

Pollutant or pollutant property Pretreatment standards for existing sources
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.

Expand Table

Subpart I

Pollutant or pollutant property Pretreatment standards for existing sources
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.

Expand Table

Subpart I

Pollutant or pollutant property Pretreatment standards for existing sources
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.

Expand Table

Subpart I

Pollutant or pollutant property Pretreatment standards for existing sources
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.

Expand Table

Subpart I

Pollutant or pollutant property Pretreatment standards for existing sources
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.

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


Download our app to see the most-to-date content.