CFR

465.31—Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.

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:

Subpart C

Pollutant or pollutant property	BPT Effluent limitations	Maximum for any 1 day
	mg/m 2 (pounds per 1 million ft 2) of area processed
Chromium	1.42	(0.29)	0.58	(0.12)
Cyanide	0.98	(0.20)	0.41	(0.083)
Zinc	4.48	(0.92)	1.89	(0.39)
Aluminum	15.3	(3.14)	6.26.	(1.28)
Oil and grease	67.3	(13.8)	40.4	(8.27)
TSS	138.0	(28.3)	67.3	(13.8)
pH	(1)	(1)	(1)	(1)
1 Within the range of 7.5 to 10.0 at all times.

Code of Federal Regulations

[47 FR 54244, Dec. 1, 1982; 49 FR 33649, Aug. 24, 1984]

Subpart C

Pollutant or pollutant property	BPT Effluent limitations	Maximum for any 1 day
	mg/m 2 (pounds per 1 million ft 2) of area processed
Chromium	1.42	(0.29)	0.58	(0.12)
Cyanide	0.98	(0.20)	0.41	(0.083)
Zinc	4.48	(0.92)	1.89	(0.39)
Aluminum	15.3	(3.14)	6.26.	(1.28)
Oil and grease	67.3	(13.8)	40.4	(8.27)
TSS	138.0	(28.3)	67.3	(13.8)
pH	(1)	(1)	(1)	(1)
1 Within the range of 7.5 to 10.0 at all times.

Code of Federal Regulations

[47 FR 54244, Dec. 1, 1982; 49 FR 33649, Aug. 24, 1984]

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