40 CFR 428.13 - 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: Nov 25, 2024

Title 40 - Protection of Environment last revised: Nov 21, 2024

View all text of Subpart A [§ 428.10 - § 428.16]

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

(a) 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/kkg of raw material)
TSS	0.096	0.064
Oil and grease	0.024	.016
pH	( ¹)	( ¹)
	English units (lb/1,000 lb of raw material)
TSS	0.096	0.064
Oil and grease	0.024	.016
pH	( ¹)	( ¹)

¹ Within the range 6.0 to 9.0.

(b) All plants constructed before 1959 shall employ the best available maintenance and housekeeping practices in order to minimize the discharge of oil and grease in nonprocess waste waters. The concentration of oil and grease in discharges of nonprocess waste waters shall meet the following limitations:

(1) The average of daily values for 30 consecutive days shall not exceed 5 mg/l.

(2) The maximum for any one day shall not exceed 10 mg/l.

[39 FR 6662, Feb. 21, 1974; 39 FR 26423, July 19, 1974, as amended at 40 FR 18173, Apr. 25, 1975]

authority: Secs. 301, 304(b) and (c), 306(b) and (c), 307(c), Federal Water Pollution Control Act, as amended; 33 U.S.C. 1251,1311,1314,1316,1317; 86 Stat. 816

source: 39 FR 6662, Feb. 21, 1974, unless otherwise noted.

cite as: 40 CFR 428.13