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

  1. Law
  2. CFR 40
  3. Protection of Environment
  4. Environmental Protection Agency
  5. Effluent Guidelines and Standards
  6. The Centralized Waste Treatment Point Source Category
  7. Organics Treatment and Recovery
  8. Effluent limitations attainable by the application of the best practicable control technology currently available (BPT).

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§ 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:

Expand Table

BPT Limitations

Regulated
parameter 		Maximum daily1 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]


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