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

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

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§ 420.83 Effluent limitations 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.

(a) Salt bath descaling, oxidizing -

(1) Batch, sheet and plate.

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Subpart H

Pollutant or pollutant property BAT effluent limitations
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 BAT effluent limitations
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.

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Subpart H

Pollutant or pollutant property BAT effluent limitations
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.

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Subpart H

Pollutant or pollutant property BAT effluent limitations
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 BAT effluent limitations
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 BAT effluent limitations
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


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