Regulations last checked for updates: May 19, 2024

Title 40 - Protection of Environment last revised: May 16, 2024
§ 424.15 - Standards of performance for new sources.

The following standards of performance establish the quantity or quality of pollutants or pollutant properties, controlled by this section, which may be discharged by a new source subject to the provisions of this subpart:

Effluent characteristic Effluent limitations
Maximum for any 1 day Average of daily values for 30 consecutive days shall not exceed—
Metric units (kg/Mwh)
TSS0.0240.012
Chromium total.0008.0004
Chromium VI.00008.00004
Manganese total.008.0039
pH( 1)( 1)
English units (lb/Mwh)
TSS.052.026
Chromium total.0017.0009
Chromium VI.0002.0001
Manganese total.017.0086
pH( 1)( 1)

1 Within the range 6.0 to 9.0.

authority: Secs. 301, 304(b) and (c), 306(b) and (c), 307(c) of the Federal Water Pollution Control Act, as amended; 33 U.S.C. 1251,1311,1314,1316,1317; 86 Stat. 816
source: 39 FR 6809, Feb. 22, 1974, unless otherwise noted.
cite as: 40 CFR 424.15