New source performance standards (NSPS).

  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. Cold Forming Subcategory
  8. New source performance standards (NSPS).

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§ 420.104 New source performance standards (NSPS).

The discharge of wastewater pollutants from any new source subject to this subpart shall not exceed the standards set forth below.

(a) Cold rolling mills -

(1) Recirculation - single stand.

Expand Table

Subpart J

Pollutant or pollutant property New source performance standards
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
Chromium1 0.0000209 0.0000084
Lead 0.0000094 0.0000031
Nickel1 0.0000188 0.0000063
Zinc 0.0000063 0.0000021
Naphthalene 0.0000021
Tetrachloroethylene 0.0000031
pH (2) (2)

1 The limitations for chromium and nickel shall be applicable in lieu of those for lead and zinc when cold rolling wastewaters are cotreated with descaling or combination acid pickling wastewaters.

2 Within the range of 6.0 to 9.0.

(2) Recirculation - multiple stands.

Expand Table

Subpart J

Pollutant or pollutant property New source performance standards
Maximum for any 1 day Average of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS 0.00250 0.00125
O&G 0.00104 0.000417
Chromium1 0.0000418 0.0000167
Lead 0.0000188 0.0000063
Nickel1 0.0000376 0.0000125
Zinc 0.0000125 0.0000042
Naphthalene 0.0000042
Tetrachloroethylene 0.0000063
pH (2) (2)

1 The limitations for chromium and nickel shall be applicable in lieu of those for lead and zinc when cold rolling wastewaters are treated with descaling or combination acid pickling wastewaters.

2 Within the range of 6.0 to 9.0.

(3) Combination.

Expand Table

Subpart J

Pollutant or pollutant property New source performance standards
Maximum for any 1 day Average of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS 0.0326 0.0163
O&G 0.0136 0.00543
Chromium1 0.000543 0.000217
Lead 0.000244 0.0000814
Nickel1 0.000488 0.000163
Zinc 0.000163 0.0000542
Naphthalene 0.0000542
Tetrachloroethylene 0.0000813
pH (2) (2)

1 The limitations for chromium and nickel shall be applicable in lieu of those for lead and zinc when cold rolling wastwaters are treated with descaling or combination acid pickling wastewaters.

2 Within the range of 6.0 to 9.0.

(4) Direct application - single stand.

Expand Table

Subpart J

Pollutant or pollutant property New source performance standards
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
Chromium1 0.000104 0.0000418
Lead 0.0000469 0.0000156
Nickel1 0.0000939 0.0000313
Zinc 0.0000313 0.0000104
Naphthalene 0.0000104
Tetrachloro-ethylene 0.0000156
pH (2) (2)

1 The limitations for chromium and nickel shall be applicable in lieu of those for lead and zinc when cold rolling wastewaters are treated with descaling or combination acid pickling watewaters.

2 Within the range of 6.0 to 9.0.

(5) Direct application - multiple stands.

Expand Table

Subpart J

Pollutant or pollutant property New source performance standards
Maximum for any 1 day Average of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS 0.0726 0.0363
O&G 0.0302 0.0121
Chromium1 0.00121 0.000484
Lead 0.000545 0.000182
Nickel1 0.00109 0.000363
Zinc 0.000363 0.000121
Naphthalene 0.000121
Tetrachloro-ethylene 0.000182
pH (2) (2)

1 The limitations for chromium and nickel shall be applicable in lieu of those for lead and zinc when cold rolling wastewaters are treated with descaling or combination acid pickling watewaters.

2 Within the range of 6.0 to 9.0.

(b) Cold worked pipe and tube mills -

(1) Using water.

Expand Table

Subpart J

Pollutant or pollutant property New source performance standards
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
Chromium1 0.0000209 0.0000084
Lead 0.0000094 0.0000031
Nickel1 0.0000188 0.0000063
Zinc 0.0000063 0.0000021
pH (2) (2)

1 The limitations for chromium and nickel shall be applicable in lieu of those for lead and zinc when cold forming wastewaters are cotreated with descaling or combination acid pickling wastewaters.

2 Within the range of 6.0 to 9.0.

(2) Using oil solutions.

Expand Table

Subpart J

Pollutant or pollutant property New Source Performance Standards
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
Chromium1 0.0000209 0.0000084
Lead 0.0000094 0.0000031
Nickel1 0.0000188 0.0000063
Zinc 0.0000063 0.0000021
Naphthalene 0.0000021
Tetrachloroethylene 0.0000031
pH (2) (2)

1 The limitations for chromium and nickel shall be applicable in lieu of those for lead and zinc when cold forming wastewaters are cotreated with descaling or combination acid pickling wastewaters.

2 Within the range of 6.0 to 9.0.

[47 FR 23284, May 27, 1982, as amended at 49 FR 21035, May 17, 1984; 49 FR 24726, June 15, 1984]


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