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. Salt Bath Descaling Subcategory
  8. Pretreatment standards for existing sources (PSES).

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§ 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.

Expand Table

Subpart H

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 0.00292 0.00117
Nickel 0.00263 0.000876

(2) Batch, rod and wire.

Expand Table

Subpart H

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 0.00175 0.000701
Nickel 0.00158 0.000526

(3) Batch, pipe and tube.

Expand Table

Subpart H

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 0.00709 0.00284
Nickel 0.00638 0.00213

(4) Continuous.

Expand Table

Subpart H

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 0.00138 0.000551
Nickel 0.00124 0.000413

(b) Salt bath descaling, reducing -

(1) Batch.

Expand Table

Subpart H

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
Cyanide 0.00102 0.000339
Chromium 0.00136 0.000542
Nickel 0.00122 0.000407

(2) Continuous.

Expand Table

Subpart H

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)
Cyanide 0.00569 0.00190
Chromium 0.00759 0.00304
Nickel 0.00683 0.00228

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


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