Federal regulations · Through 2026-08-25 · Newer source version available

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

Where this section sits in the code

Title 40—Protection of Environment
CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY
SUBCHAPTER N—EFFLUENT GUIDELINES AND STANDARDS
PART 437—THE CENTRALIZED WASTE TREATMENT POINT SOURCE CATEGORY
Subpart C—Organics Treatment and Recovery

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.

Collected 2026-08-27T02:26:04Z. Source file · JSON

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