Wis. Admin. Code Department of Natural Resources NR 274.144

Current through October 28, 2024
Section NR 274.144 - New source performance standards

Any new source subject to this subchapter shall achieve the following standards:

Table 14-7

Primary Antimony Sodium Antimonate Autoclave Wastewater

NSPS

Maximum for any 1 day

Maximum for monthly average

Pollutant or pollutant property

mg/kg (pounds p of antimony co antimona

er million pounds) ntained in sodium te product

Antimony

30.150

13.440

Arsenic

21.720

9.687

Mercury

2.344

0.937

Total suspended solids

234.400

187.500

pH

(1)

(1)

(1) Within the range of 7.5 to 10.0 at all times.

Table 14-8

Primary Antimony Fouled Anolyte

NSPS

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

Total suspended solids

234.400

187.500

pH

(1)

(1)

Primary Antimony Fouled Anolyte

(1) Within the range of 7.5 to 10.0 at all times.

Table 14-9

Primary Antimony Cathode Antimony Wash Water

NSPS

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

Total suspended solids

468.700

375.000

pH

(1)

(1)

(1) Within the range of 7.5 to 10.0 at all times.

Wis. Admin. Code Department of Natural Resources NR 274.144

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