Wis. Admin. Code Department of Natural Resources NR 274.024

Current through November 25, 2024
Section NR 274.024 - New source performance standards

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

Table 2-21

Primary Aluminum Smelting Anode and Cathode Paste Plant

Wet Air Pollution Control

NSPS

Maximum for any 1 day

Maximum for monthly average

Pollutant or pollutant property

mg/kg (pounds per 1,000,000 pounds) of paste

Benzo(a)pyrene

0.000

Antimony

0.000

0.000

Nickel

0.000

0.000

Aluminum

0.000

0.000

Fluoride

0.000

0.000

Oil and grease

0.000

0.000

Total suspended solids

0.000

0.000

pH

(1)

(1)

(1) Within the range of 7.0 to 10.0 at all times.

Table 2-22

Primary Aluminum Smelting Anode Contact Cooling and Briquette Quenching

NSPS

Maximum for any 1 day

Maximum for monthly average

Pollutant or pollutant property

mg/kg (pounds per 1,000,000 pounds) of anodes cast

Benzo(a)pyrene

0.007

0.003

Antimony

0.403

0.180

Nickel

0.115

0.077

Aluminum

1.277

0.566

Fluoride

12.440

5.518

Oil and grease

2.090

2.090

Total suspended solids

3.135

2.508

pH

(1)

(1)

(1) Within the range of 7.0 to 10.0 at all times.

Table 2-23

Primary Aluminum Smelting Anode Bake Plant Wet Air Pollution Control

NSPS

Maximum for any 1 day

Maximum for monthly average

Pollutant or pollutant property

mg/kg (pounds per 1,000,000 pounds) of anodes baked

Benzo(a)pyrene

0.000

Antimony

0.000

0.000

Nickel

0.000

0.000

Aluminum

0.000

0.000

Fluoride

0.000

0.000

Oil and grease

0.000

0.000

Total suspended solids

0.000

0.000

pH

(1)

(1)

(1) Within the range of 7.0 to 10.0 at all times.

Table 2-24

Primary Aluminum Smelting Cathode Reprocessing Operated With Dry Potline Scrubbing and Not Commingled With Other Process or Nonprocess Wastewaters

NSPS

Maximum for any 1 day

Maximum for monthly average

Pollutant or pollutant property

mg/kg (pounds per 1,000,000 pounds) of cryolite recovered

Benzo(a)pyrene

1.181

0.547

Antimony

420.400

189.200

Cyanide

157.600

70.060

Nickel

80.570

35.030

Aluminum

273.200

122.600

Fluoride

29,430.000

13,310.000

Oil and grease

350.300

350.300

Total suspended solids

2,172.000

945.800

pH

(1)

(1)

(1) Within the range of 7.0 to 10.0 at all times.

Table 2-25

Primary Aluminum Smelting Cathode Reprocessing Operated With Dry Potline Scrubbing and Commingled With Other Process or Nonprocess Wastewaters

NSPS

Maximum for any 1 day

Maximum for monthly average

Pollutant or pollutant property

mg/kg (pounds per 1,000,000 pounds) of cryolite recovered

Benzo(a)pyrene

1.181

0.547

Antimony

67.610

30.120

Cyanide

157.600

70.060

Nickel

19.270

12.960

Aluminum

214.000

94.930

Fluoride

2,084.000

924.800

Oil and grease

350.300

350.300

Total suspended solids

2,172.000

945.800

pH

(1)

(1)

(1) Within the range of 7.0 to 10.0 at all times.

Table 2-26

Primary Aluminum Smelting Potline Wet Air Pollution Control

NSPS

Maximum for any 1 day

Maximum for monthly average

Pollutant or pollutant property

mg/kg (pounds per 1,000,000 pounds) of aluminum produced from electrolytic reduction

Benzo(a)pyrene

0.000

0.000

Antimony

0.000

0.000

Nickel

0.000

0.000

Aluminum

0.000

0.000

Fluoride

0.000

0.000

Oil and grease

0.000

0.000

Total suspended solids

0.000

0.000

pH

(1)

(1)

(1) Within the range of 7.0 to 10.0 at all times.

Table 2-27

Primary Aluminum Smelting Potroom Wet Air Pollution Control

NSPS

Maximum for any 1 day

Maximum for monthly average

Pollutant or pollutant property

mg/kg (pounds per 1,000,000 pounds) of aluminum produced from electrolytic reduction

Benzo(a)pyrene

0.000

Antimony

0.000

0.000

Nickel

0.000

0.000

Aluminum

0.000

0.000

Fluoride

0.000

0.000

Oil and grease

0.000

0.000

Total suspended solids

0.000

0.000

pH

(1)

(1)

(1) Within the range of 7.0 to 10.0 at all times.

Table 2-28

Primary Aluminum Smelting Potline Sulfur Dioxide Emissions Wet Air Pollution Control

NSPS

Maximum for any 1 day

Maximum for monthly average

Pollutant or pollutant property

mg/kg (pounds per 1,000,000 pounds) of aluminum produced from electrolytic reduction

Benzo(a)pyrene

0.045

0.021

Antimony

2.588

1.153

Nickel

0.738

0.496

Aluminum

8.194

3.634

Fluoride

79.790

35.400

Oil and grease

13.410

13.410

Total suspended solids

20.120

16.090

pH

(1)

(1)

(1) Within the range of 7.0 to 10.0 at all times.

Table 2-29

Primary Aluminum Smelting Degassing Wet Air Pollution Control

NSPS

Maximum for any 1 day

Maximum for monthly average

Pollutant or pollutant property

mg/kg (pounds per 1,000,000 pounds) of aluminum produced from electrolytic reduction

Benzo(a)pyrene

0.000

Antimony

0.000

0.000

Nickel

0.000

0.000

Aluminum

0.000

0.000

Fluoride

0.000

0.000

Oil and grease

0.000

0.000

Total suspended solids

0.000

0.000

pH

(1)

(1)

(1) Within the range of 7.0 to 10.0 at all times.

Table 2-30

Primary Aluminum Smelting Pot Repair and Pot Soaking

NSPS

Maximum for any 1 day

Maximum for monthly average

Pollutant or pollutant property

mg/kg (pounds per 1,000,000 pounds) of aluminum produced from electrolytic reduction

Benzo(a)pyrene

0.000

Antimony

0.000

0.000

Nickel

0.000

0.000

Aluminum

0.000

0.000

Fluoride

0.000

0.000

Oil and grease

0.000

0.000

Total suspended solids

0.000

0.000

pH

(1)

(1)

(1) Within the range of 7.0 to 10.0 at all times.

Table 2-31

Primary Aluminum Smelting Direct Chill Casting Contact Cooling

NSPS

Maximum for any 1 day

Maximum for monthly average

Pollutant or pollutant property

mg/kg (pounds per 1,000,000 pounds) of aluminum produced from direct chill casting

Benzo(a)pyrene

(1)

(1)

Antimony

2.565

1.143

Nickel

0.731

0.492

Aluminum

8.120

3.602

Fluoride

79.080

35.090

Oil and grease

13.290

13.290

Total suspended solids

19.940

15.950

pH

(2)

(2)

(1) This pollutant has no discharge allowance.

(2) Within the range of 7.0 to 10.0 at all times, but if this waste is discharged separately and without commingling with any other wastewater, the pH shall be within the range of 6.0 to 10.0 at all times.

Table 2-32

Primary Aluminum Smelting Continuous Rod Casting Contact Cooling

NSPS

Maximum for any 1 day

Maximum for monthly average

Pollutant or pollutant property

mg/kg (pounds per 1,000,000 pounds) of aluminum produced from rod casting

Benzo(a)pyrene

(1)

(1)

Antimony

0.201

0.089

Nickel

0.057

0.038

Aluminum

0.636

0.282

Fluoride

6.188

2.746

Oil and grease

1.040

1.040

Total suspended solids

1.560

1.248

pH

(2)

(2)

(1) This pollutant has no discharge allowance

(2) Within the range of 7.0 to 10.0 at all times.

Table 2-33

Primary Aluminum Smelting Stationary Casting or Shot Casting Contact Cooling

NSPS

Maximum for any 1 day

Maximum for monthly average

Pollutant or pollutant property

mg/kg (pounds per 1,000,000 pounds) of aluminum produced from stationary casting or shot casting

Benzo(a)pyrene

0.000

Antimony

0.000

0.000

Nickel

0.000

0.000

Aluminum

0.000

0.000

Fluoride

0.000

0.000

Oil and grease

0.000

0.000

Total suspended solids

0.000

0.000

pH

(1)

(1)

(1) Within the range of 7.0 to 10.0 at all times.

Wis. Admin. Code Department of Natural Resources NR 274.024

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