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. Ironmaking Subcategory
  8. New source performance standards (NSPS).

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§ 420.34 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) Iron blast furnace.

Expand Table

Subpart C

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 products
TSS 0.0117 0.00438
O&G 0.00292
Ammonia-N 0.00876 0.00292
Cyanide 0.000584 0.000292
Phenols (4AAP) 0.0000584 0.0000292
TRC1 0.000146
Lead 0.000263 0.0000876
Zinc 0.000394 0.000131
pH (2) (2)

1 The standards for TRC shall be applicable only when chlorination of ironmaking wastewaters is practiced.

2 Within the range of 6.0 to 9.0.

(b) [Reserved]

[47 FR 23284, May 27, 1982; 47 FR 41739, Sept. 22, 1982, as amended at 49 FR 21030, May 17, 1984; 67 FR 64266, Oct. 17, 2002]


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