Wis. Admin. Code Department of Natural Resources NR 230.226

Current through October 28, 2024
Section NR 230.226 - Pretreatment standards for new sources

Except as provided in s. NR 211.13, any new source subject to this subchapter which introduces pollutants into a POTW shall comply with ch. NR 211 and shall achieve the following PSNS:

Table 34-A

Titanium Dioxide Chloride Process(1)

PSNS

milligrams per liter

Pollutant or

Maximum for

Average of daily values

pollutant property

any 1 day

for 30 consecutive days

Iron

8.5

2.5

Chromium

0.57

0.30

Nickel

0.38

0.20

(1) When a POTW finds that mass limitations are necessary, the PSNS shall be the standards set forth in s. NR 230.224 for chromium, iron, and nickel.

Table 35

Titanium Dioxide Chloride Process(1)

PSNS

milligrams per liter

Pollutant or

Maximum for any 1

Average of daily values for 30

pollutant property

day

consecutive days

Iron

5.3

1.6

Chromium

0.23

0.12

(1) When a POTW finds that mass limitations are necessary, the PSNS shall be the standards set forth in s. NR 230.224 for chromium, iron, and nickel.

Table 36

Titanium Dioxide Chloride-Ilmenite Process(1)

PSNS

milligrams per liter

Pollutant or

Maximum for

Average of daily values

pollutant property

any 1 day

for 30 consecutive days

Iron

5.3

1.6

Chromium

0.23

0.12

Nickel

0.33

0.17

(1) When a POTW finds that mass limitations are necessary, the PSNS shall be the standards set forth in s. NR 230.224 for chromium, iron, and nickel.

Wis. Admin. Code Department of Natural Resources NR 230.226

Cr. Register, September, 1990, No. 417, eff. 10-1-90.