40 CFR 437.31 - Effluent limitations attainable by the application of the best practicable control technology currently available (BPT).

Regulations
title 40
chapter I-i31
part 437
subpart C
§ 437.31

View all text of Subpart C [§ 437.30 - § 437.36]

§ 437.31 - Effluent limitations attainable by the application of the best practicable control technology currently available (BPT).

Except as provided in 40 CFR 125.30 through 125.32 or § 437.30(b), any existing point source subject to this subpart must achieve the following effluent limitations representing the application of BPT:

BPT Limitations

Regulated parameter	Maximum daily 1	Maximum monthly avg. 1	Conventional Parameters			BOD5	163	53.0	pH	( 2)	( 2)	TSS	216	61.3	Metal Parameters			Copper	0.865	0.757	Zinc	0.497	0.420	Organic Parameters			Acetone	30.2	7.97	Acetophenone	0.114	0.0562	2-Butanone	4.81	1.85	o-Cresol	1.92	0.561	p-Cresol	0.698	0.205	Phenol	3.65	1.08	Pyridine	0.370	0.182	2,4,6-Trichlorophenol	0.155	0.106

1 mg/L (ppm).

2 Within the range 6 to 9.

[65 FR 81300, Dec. 22, 2000, as amended at 68 FR 71023, Dec. 22, 2003]