Regulations last checked for updates: May 21, 2024

Title 40 - Protection of Environment last revised: May 17, 2024
§ 469.42 - 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 Maximum for any 1 day Monthly average shall not exceed
Milligrams per liter (mg/l)
pH( 1)( 1)
Cadmium0.550.26
Antimony0.100.04
Zinc1.640.67
Fluoride35.018.0
TSS60.031.0

1 Within the range of 6.0 to 9.0.

authority: Secs. 301, 304, 306, 307, 308, and 501 of the Clean Water Act (the Federal Water Pollution Control Act Amendments of 1972, as amended by the Clean Water Act of 1977, 33 U.S.C. 1311,1314,1316,1317,1318,and; 86 Stat. 816, Pub. L. 92-500; 91 Stat. 1567, Pub. L. 95-217, unless otherwise noted
source: 48 FR 15394, Apr. 8, 1983, unless otherwise noted.
cite as: 40 CFR 469.42