Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).

  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. Hot Forming Subcategory
  8. Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).

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§ 420.72 Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).

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.

(a) Primary mills, carbon and specialty -

(1) Without scarfing.

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Subpart G

Pollutant or pollutant property BPT effluent limitations
Maximum for any 1 day Average of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS 0.150 0.0561
O&G 0.0374
pH (1) (1)

1 Within the range of 6.0 to 9.0.

(2) With scarfing.

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Subpart G

Pollutant or pollutant property BPT effluent limitations
Maximum for any 1 day Average of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS 0.221 0.0830
O&G 0.0553
pH (1) (1)

1 Within the range of 6.0 to 9.0.

(b) Section mills -

(1) Carbon.

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Subpart G

Pollutant or pollutant property BPT effluent limitations
Maximum for any 1 day Average of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS 0.357 0.134
O&G 0.0894
pH (1) (1)

1 Within the range of 6.0 to 9.0.

(2) Specialty.

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Subpart G

Pollutant or pollutant property BPT effluent limitations
Maximum for any 1 day Average of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS 0.224 0.0841
O&G 0.0561
pH (1) (1)

1 Within the range of 6.0 to 9.0.

(c) Flat mills -

(1) Hot strip and sheet mills, carbon and specialty.

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Subpart G

Pollutant or pollutant property BPT effluent limitations
Maximum for any 1 day Average of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS 0.427 0.160
O&G 0.107
pH (1) (1)

1 Within the range of 6.0 to 9.0.

(2) Carbon plate mills.

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Subpart G

Pollutant or pollutant property BPT effluent limitations
Maximum for any 1 day Average of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS 0.227 0.0851
O&G 0.0568
pH (1) (1)

1 Within the range of 6.0 to 9.0

(3) Specialty plate mills.

Expand Table

Subpart G

Pollutant or pollutant property BPT effluent limitations
Maximum for any 1 day Average of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS 0.100 0.0376
O&G 0.0250 (1)
pH (1) (1)

1 Within the range of 6.0 to 9.0

(d) Pipe and tube mills, carbon and specialty.

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Subpart G

Pollutant or pollutant property BPT effluent limitations
Maximum for any 1 day Average of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS 0.212 0.0795
O&G 0.0530
pH (1) (1)

1 Within the range of 6.0 to 9.0


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