40 CFR 425.44 - New source performance standards (NSPS).

Regulations last checked for updates: Feb 12, 2026

Title 40 - Protection of Environment last revised: Dec 22, 2026

§ 425.44 - New source performance standards (NSPS).

Any new source subject to this subpart must achieve the following new source performance standards (NSPS):

Pollutant or pollutant property	NSPS
Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average
	Kg/kkg (or pounds per 1,000 pounds) of raw material
BOD5	6.5	2.9
TSS	9.3	4.3
Oil & Grease	2.7	1.2
Total Chromium	0.17	0.06
pH	( ¹)	( ¹)

¹ Within the range of 6.0 to 9.0.

[47 FR 52870, Nov. 23, 1982, as amended at 53 FR 9182, Mar. 21, 1988]

authority: 33 U.S.C. 1311,1314,c,e, 1316 (b) andc, 1317 (b) andc,1318

source: 47 FR 52870, Nov. 23, 1982, unless otherwise noted.

cite as: 40 CFR 425.44