Regulations last checked for updates: May 14, 2024

Title 40 - Protection of Environment last revised: May 10, 2024
§ 405.25 - Standards of performance for new sources.
Effluent characteristic Effluent limitations
Maximum for any 1 day Average of daily values for 30 consecutive days shall not exceed—
Metric units (kilograms per 1,000 kg of BOD5 input)
BOD50.7400.370
TSS0.925.463
pH( 1)( 1)
English units (pounds per 100 lb of BOD5 input)
BOD50.0740.037
TSS0.093.046
pH( 1)( 1)

1 Within the range 6.0 to 9.0.

authority: Secs. 301, 304 (b) and (c), 306 (b) and (c) and 307(c) of the Federal Water Pollution Control Act, as amended (the Act); 33 U.S.C. 1251,1311,1314,1316,and; 86 Stat. 816,
source: 39 FR 18597, May 28, 1974, unless otherwise noted.
cite as: 40 CFR 405.25