Statutes, codes, and regulations
Wisconsin Administrative Code
Agency - Department of Natural ResourcesEnvironmental Protection - Wisconsin Pollutant Discharge Elimination SystemChapter NR 274 - Nonferrous metals manufacturing
Subchapter IX - Metallurgical Acid Plants
Section NR 274.093 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable

Wis. Admin. Code Department of Natural Resources NR 274.093

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Current through October 28, 2024
Section NR 274.093 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable

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 BAT:

Table 9-2

Metallurgical Acid Plants

BAT 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

Arsenic

3.550

1.584

Cadmium

0.511

0.204

Copper

3.269

1.558

Lead

0.715

0.332

Zinc

2.605

1.073

Fluoride (1)

89.390

50.820

(1) For molybdenum acid plants only.

Wis. Admin. Code Department of Natural Resources NR 274.093

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