40 CFR 420.54 - New source performance standards (NSPS).

Regulations last checked for updates: Apr 30, 2025

Title 40 - Protection of Environment last revised: Nov 30, 2025

§ 420.54 - New source performance standards (NSPS).

The discharge of wastewater pollutants from any new source subject to this subpart shall not exceed the values set forth below.

Subpart E

Pollutant or pollutant property	New source performance standards
Pollutant or pollutant property	Maximum for any 1 day	Average of daily values for 30 consecutive days
	Kg/kkg (pounds per 1,000 lb) of product
TSS	0.00730	0.00261
Lead	0.0000939	0.0000313
Zinc	0.000141	0.0000469
pH	( ¹)	( ¹)

¹ Within the range of 6.0 to 9.0.

authority: 33 U.S.C. 1311,1314,1316,1317,1318,1342,and

source: 47 FR 23284, May 27, 1982, unless otherwise noted.

cite as: 40 CFR 420.54