§ 420.46 - Pretreatment standards for new sources (PSNS).

§ 420.46 Pretreatment standards for new sources (PSNS).

Except as provided in 40 CFR 403.7, any new 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 new sources.

(a) Basic oxygen furnace steelmaking - semi-wet; and electric arc furnace steelmaking - semi-wet. No discharge of process wastewater pollutants to navigable waters.

(b) Basic oxygen furnace steelmaking - wet-suppressed combustion.

Subpart D

Pollutant or pollutant property	Pretreatment standards for new sources
	Maximum for any 1 day	Average of daily values for 30 consecutive days
	Kg/kkg (pounds per 1,000 lb) of product
Lead	0.000188	0.0000626
Zinc	0.000282	0.0000939

(c) Basic oxygen furnace steelmaking - wet - open combustion; electric arc furnace steelmaking - wet.

Subpart D

Pollutant or pollutant property	Pretreatment standards for new sources
	Maximum for any 1 day	Average of daily values for 30 consecutive days
	Kg/kkg (pounds per 1,000 lb) of product
Lead	0.000413	0.000138
Zinc	0.000620	0.000207

[47 FR 23284, May 27, 1982, as amended at 47 FR 41739, Sept. 22, 1982; 67 FR 64268, Oct. 17, 2002]