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-N1	0.00876	0.00292
Cyanide	0.00175	0.000876
Phenols (4AAP)	0.0000584	0.0000292
Lead	0.000263	0.0000876
Zinc	0.000394	0.000131

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-N	0.0350	0.0175
Cyanide	0.00175	0.000876
Phenols (4AAP)	0.000175	0.0000584
Lead	0.000263	0.0000876
Zinc	0.000394	0.000131

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