40 CFR § 425.51
Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT)
June 9, 2020
CFR

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 (BPT):

Open Table
Pollutant or pollutant property BPT limitations
Maximum for any 1 day Maximum for monthly average
    Kg/kkg (or pounds per 1,000 pounds) of raw material
BOD5 8.0 3.6
TSS 11.6 5.3
Oil & Grease 3.4 1.5
Total Chromium 0.21 0.08
pH (1) (1)

1Within the range of 6.0 to 9.0.

[47 FR 52870, Nov. 23, 1982, as amended at 53 FR 9182, Mar. 21, 1988]


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