Wis. Admin. Code Department of Natural Resources NR 252.21

Current through November 25, 2024
Section NR 252.21 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT)

Except as provided in 40 CFR 125.30- 125.32, any existing point source subject to this subcategory shall achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT):

BPT limitations

Kg/kkg (or pounds per 1000 lb) of raw material

Pollutant or pollutant property

Maximum for any 1 day

Maximum for monthly average

BOD5

8.2

3.7

TSS

11.8

5.4

Oil and grease

3.4

1.5

Total chromium

0.21

0.08

pH

(1)

(1)

1Within the range 6.0 to 9.0.

Wis. Admin. Code Department of Natural Resources NR 252.21

Cr. Register, October, 1986, No. 370, eff. 11-1-86.