Regulations last checked for updates: May 17, 2024

Title 40 - Protection of Environment last revised: May 15, 2024
§ 440.24 - New Source performance standards (NSPS).

Except as provided in subpart L of this part, any new source subject to this subpart must achieve the following NSPS representing the degree of effluent reduction attainable by the application of the best available demonstrated technology (BADT). The concentration of pollutants discharged in mine drainage from mines producting bauxite ores shall not exceed:

Effluent characteristic Effluent limitations
Maximum for any 1 day Average of daily values for 30 consecutive days
Milligrams per liter
Fe (total)1.00.5
Al2.01.0
pH( 1)( 1)
TSS30.020.0

1 Within the range of 6.0 to 9.0.

authority: Secs. 301, 304(b), (c) and (e), 306, 307, 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 and the Water Quality Act of 1987), (the Act), 33 U.S.C. 1311,1314,c,1316,1317,and; 86 Stat. 816, Pub. L. 92-500; 91 Stat. 1567, Pub. L. 95-217; 101 Stat. 7, Pub. L. 100-4
source: 47 FR 54609, Dec. 3, 1982, unless otherwise noted.
cite as: 40 CFR 440.24