Regulations last checked for updates: Nov 25, 2024

Title 40 - Protection of Environment last revised: Nov 21, 2024
§ 426.12 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.

The following limitations establish the quantity or quality of pollutants or pollutant properties which may be discharged by a point source subject to the provisions of this subpart after application of the best practicable control technology currently available:

(a) There shall be no discharge of process waste water pollutants to navigable waters, except as permitted in paragraph (b) of this section.

(b) The following limitations establish the quantity or quality of pollutants or pollutant properties, controlled by this section, which may be discharged in process waste water from advanced air emission control devices, when such water cannot be consumed in the process.

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 product)
Phenol0.00060.0003
COD0.33.165
BOD50.024.012
TSS0.03.015
pH( 1)( 1)
English units (pounds per 1,000 lb. of product)
Phenol0.00060.0003
COD0.33.165
BOD50.024.012
TSS0.03.015
pH( 1)( 1)

1 Within the range 6.0 to 9.0.

[39 FR 2565, Jan. 22, 1974; 39 FR 4760, Feb. 7, 1974]
authority: Secs. 301, 304 (b) and (c), 306 (b) and (c), 307(c), and 316(b) of the Federal Water Pollution Control Act, as amended; 33 U.S.C. 1251,1311,1314,1316,1317; 86 Stat. 816
source: 39 FR 2565, Jan. 22, 1974, unless otherwise noted.
cite as: 40 CFR 426.12