40 C.F.R. § 420.44

Current through November 30, 2024

Section 420.44 - 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)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	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	0.0146	0.00522
Lead	0.000188	0.0000626
Zinc	0.000282	0.0000939
pH	(1)	(1)

¹ Within the range of 6.0 to 9.0.

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

Subpart D

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	0.0321	0.0115
Lead	0.000413	0.000138
Zinc	0.000620	0.000207
pH	(1)	(1)

¹ Within the range of 6.0 to 9.0.

40 C.F.R. §420.44

47 FR 23284, May 27, 1982, as amended at 67 FR 64267 , Oct. 17, 2002