Regulations last checked for updates: May 18, 2024

Title 40 - Protection of Environment last revised: May 16, 2024
§ 415.425 - New source performance standards (NSPS).

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

Subpart AP—Hydrogen Cyanide

Pollutant or pollutant property NSPS effluent limitations
Maximum for any 1 day Average of daily values for 30 consecutive days
Kg/kkg (or pounds per 1,000 lb) of product
TSS8.63.2
Cyanide A0.100.021
Total Cyanide0.650.23
Total Residual Chlorine0.0860.051
Ph( 1)( 1)

1 Within the range 6.0 to 10.5.

authority: Secs. 301, 304 (b), (c), (e), and (g), 306 (b) and (c), 307 (b) and (c), 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) (the “Act”); 33 U.S.C. 1311,1314,c,e,and, 1316 (b) andc, 1317 (b) andc,and; 86 Stat. 816, Pub. L. 92-500; 91 Stat. 1567, Pub. L. 95-217
source: 47 FR 28278, June 29, 1982, unless otherwise noted.
cite as: 40 CFR 415.425