Wis. Admin. Code Department of Natural Resources NR 274.143

Current through October 28, 2024
Section NR 274.143 - 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 14-4

Primary Antimony Sodium Antimonate Autoclave Wastewater

BAT Effluent Limitations

Maximum for any 1 day

Maximum for monthly average

Pollutant or pollutant property

mg/kg (pounds per million pounds) of antimony contained in sodium antimonate product

Antimony

30.150

13.440

Arsenic

21.720

9.687

Mercury

2.344

0.937

Table 14-5

Primary Antimony Fouled Anolyte

BAT Effluent Limitations

Maximum for any 1 day

Maximum for monthly average

Pollutant or pollutant property

mg/kg (pounds per million pounds) of antimony metal produced by electrowinning

Antimony

30.150

13.440

Arsenic

21.720

9.687

Mercury

2.344

0.937

Table 14-6

Primary Antimony Cathode Antimony Wash Wate

BAT Effluent Limitations

Maximum for any 1 day

Maximum for monthly average

Pollutant or pollutant property

mg/kg (pounds per million pounds) of antimony metal produced by electrowinning

Antimony

60.310

26.870

Arsenic

43.430

19.370

Mercury

4.687

1.875

Wis. Admin. Code Department of Natural Resources NR 274.143

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