40 CFR § 420.107
Effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional technology (BCT)
June 9, 2020
CFR

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 conventional technology.

(a) Cold rolling mills—(1) Recirculation—single stand.

Subpart J

Open Table
Pollutant or pollutant property BCT 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 0.00125 0.000626
O&G 0.000522 0.000209
pH (1) (1)

1Within the range of 6.0 to 9.0.

(2) Recirculation—multiple stands.

Subpart J

Open Table
Pollutant or pollutant property BCT 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 0.00626 0.00313
O&G 0.00261 0.00104
pH (1) (1)

1Within the range of 6.0 to 9.0.

(3) Combination.

Subpart J

Open Table
Pollutant or pollutant property BCT 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 0.0751 0.0376
O&G 0.0313 0.0125
pH (1) (1)

1Within the range of 6.0 to 9.0.

(4) Direct application—single stand.

Subpart J

Open Table
Pollutant or pollutant property BCT 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 0.0225 0.0113
O&G 0.00939 0.00376
pH (1) (1)

1Within the range of 6.0 to 9.0.

(5) Direct application—multiple stands.

Subpart J

Open Table
Pollutant or pollutant property BCT 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 0.0501
O&G 0.0417 0.0167
pH (1) (1)

1Within the range of 6.0 to 9.0.

(b) Cold worked pipe and tube—(1) Using water.

Subpart J

Open Table
Pollutant or pollutant property BCT 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 0.00125 0.000626
O&G 0.000522 0.000209
pH (1) (1)

1Within the range of 6.0 to 9.0

(2) Using oil solutions.

Subpart J

Open Table
Pollutant or pollutant property BCT 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 0.00125 0.000626
O&G 0.000522 0.000209
pH (1) (1)

1Within the range of 6.0 to 9.0

[47 FR 23284, May 27, 1982, as amended at 49 FR 21035, May 17, 1984]


Tried the LawStack mobile app?

Join thousands and try LawStack mobile for FREE today.

  • Carry the law offline, wherever you go.
  • Download CFR, USC, rules, and state law to your mobile device.