40 CFR 420.112 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).

Regulations last checked for updates: Nov 24, 2024

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

View all text of Subpart K [§ 420.110 - § 420.117]

§ 420.112 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).

Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.

(a) Batch.

Subpart K

Pollutant or pollutant property	BPT effluent limitations
Pollutant or pollutant property	Maximum for any 1 day	Average of daily values for 30 consecutive days
	Kg/kkg (pounds per 1,000 lb) of product
TSS	0.0730	0.0313
O&G	0.0313	0.0104
pH	( ¹)	( ¹)

¹ Within the range of 6.0 to 9.0.

(b) Continuous.

Subpart K

Pollutant or pollutant property	BPT effluent limitations
Pollutant or pollutant property	Maximum for any 1 day	Average of daily values for 30 consecutive days
	Kg/kkg (pounds per 1,000 lb) of products
TSS	0.102	0.0438
O&G	0.0438	0.0146
pH	( ¹)	( ¹)

¹ Within the range of 6.0 to 9.0.

authority: 33 U.S.C. 1311,1314,1316,1317,1318,1342,and

source: 47 FR 23284, May 27, 1982, unless otherwise noted.

cite as: 40 CFR 420.112