40 CFR 424.13 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.

Regulations last checked for updates: May 19, 2024

Title 40 - Protection of Environment last revised: May 16, 2024

View all text of Subpart A [§ 424.10 - § 424.17]

§ 424.13 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.

The following limitations establish the quantity or quality of pollutants or pollutant properties, controlled by this section, which may be discharged by a point source subject to the provisions of this subpart after application of the best available technology economically achievable:

Effluent characteristic	Effluent limitations
Effluent characteristic	Maximum for any 1 day	Average of daily values for 30 consecutive days shall not exceed—
	Metric units (kg/Mwh)
Chromium total	0.0008	0.0004
Chromium VI	.00008	.00004
Manganese total	.008	.0039
	English units (lb/Mwh)
Chromium total	.0017	.0009
Chromium VI	.0002	.0001
Manganese total	.017	.0086

[44 FR 50744, Aug. 29, 1979]

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 424.13