Wis. Admin. Code NR § 274.092

Current through May 28, 2024
Section NR 274.092 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available

Except as provided in 40 CFR 125.30 to 125.32, any existing point source subject to this subchapter shall achieve the following effluent limitations representing the degree of effluent reduction attainable by application of BPT:

Table 9-1

Metallurgical Acid Plants

BPT Effluent Limitations

Maximum for any 1 day

Maximum for monthly average

Pollutant or pollutant property

mg/kg (pounds per million pounds) of 100% sulfuric acid capacity

Cadmium

0.180

0.090

Copper

5.000

2.000

Lead

1.800

0.790

Zinc

3.600

0.900

Fluoride (1)

212.800

121.000

Molybdenum (1)

40.180

20.790

Total suspended solids

304.000

152.000

pH

(2)

(2)

(1) For molybdenum acid plants only

(2) Within the range of 6.0 to 9.0 at all times.

Wis. Admin. Code Department of Natural Resources § NR 274.092

Cr. Register, March, 1991, No. 423, eff. 4-1-91.