40 C.F.R. § 420.35

Current through September 30, 2024
Section 420.35 - Pretreatment standards for existing sources (PSES)

Except as provided in 40 CFR 403.7 and 403.13 , any existing source subject to this subpart which introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for existing sources.

(a)Iron blast furnace.

Subpart C

Pollutant or pollutant property Pretreatment standards for existing sources
Maximum for any 1 day Average of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of products
Ammonia-N10.008760.00292
Cyanide0.001750.000876
Phenols (4AAP)0.00005840.0000292
Lead0.0002630.0000876
Zinc0.0003940.000131

1 The pretreatment standards for ammonia are not applicable to sources that discharge to a POTW with nitrification capability (defined at 420.02(s)).

(b) [Reserved]
(c)Existing indirect dischargers.

Subpart C

Pollutant or pollutant property Pretreatment standards for existing sources
Maximum for any 1 day Average of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
Ammonia-N0.03500.0175
Cyanide0.001750.000876
Phenols (4AAP)0.0001750.0000584
Lead0.0002630.0000876
Zinc0.0003940.000131

40 C.F.R. §420.35

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