Wis. Admin. Code Department of Natural Resources NR 274.033

Current through October 28, 2024
Section NR 274.033 - 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 3-3

Secondary Aluminum Smelting Scrap Drying Wet Air Pollution Control

BAT Effluent Limitations

Maximum for any 1 day

Maximum for monthly average

Pollutant or pollutant property

mg/kg (pounds per 1,000,000 pounds) of scrap dried

Lead

0.000

0.000

Zinc

0.000

0.000

Aluminum

0.000

0.000

Ammonia (as N)

0.000

0.000

Table 3-4

Secondary Aluminum Smelting Scrap Screening and Milling

BAT Effluent Limitations

Maximum for any 1 day

Maximum for monthly average

Pollutant or pollutant property

mg/kg (pounds per 1,000,000 pounds) of aluminum scrap screened and milled

Lead

0.000

0.000

Zinc

0.000

0.000

Aluminum

0.000

0.000

Ammonia (as N)

0.000

0.000

Table 3-5

Secondary Aluminum Smelting Dross Washing

BAT Effluent Limitations

Maximum for any 1 day

Maximum for monthly average

Pollutant or pollutant property

mg/kg (pounds per 1,000,000 pounds) of dross washed

Lead

3.043

1.413

Zinc

11.090

4.565

Aluminum

66.410

29.450

Ammonia (as N)

1,449.000

636.900

Table 3-6

Secondary Aluminum Smelting Demagging Wet Air Pollution Control

BAT Effluent Limitations

Maximum for any 1 day

Maximum for monthly average

Pollutant or pollutant property

mg/kg (pounds per 1,000,000 pounds) of aluminum demagged

Lead

0.216

0.100

Zinc

0.786

0.324

Aluminum

4.711

2.090

Ammonia (as N)

102.800

45.180

Table 3-7

Secondary Aluminum Smelting Delacquering Wet Air Pollution Control

BAT Effluent Limitations

Maximum for any 1 day

Maximum for monthly average

Pollutant or pollutant property

mg/kg (pounds per 1,000,000 pounds) of aluminum delacquered

Lead

0.093

0.043

Zinc

0.340

0.140

Aluminum

2.035

0.903

Ammonia (as N)

44.389

19.514

Total phenolics (4-AAP) (1)

0.004

(1) At or before the commingling of delacquering scrubber liquor blowdown with other process or nonprocess waters.

Table 3-8

Secondary Aluminum Smelting Direct Chill Casting Contact

BAT Effluent Limitations

Maximum for any 1 day

Maximum for monthly average

Pollutant or pollutant property

mg/kg (pounds per 1, of aluminu

000,000 pounds) m cast

Lead

0.372

0.173

Zinc

1.356

0.558

Aluminum

8.120

3.602

Ammonia (as N)

177.200

77.880

Table 3-9

Secondary Aluminum Smelting Ingot Conveyor Contact Cooling When Chlorine Demagging Wet Air Pollution Control Is Not Practiced On Site

BAT Effluent Limitations

Maximum for any 1 day

Maximum for monthly average

Pollutant or pollutant property

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

Lead

0.019

0.009

Zinc

0.068

0.028

Aluminum

0.409

0.182

Ammonia (as N)

8.931

3.926

Table 3-10

Secondary Aluminum Smelting Ingot Conveyor Contact Cooling When Chlorine Demagging Wet Air Pollution Control Is Practiced On Site

BAT Effluent Limitations

Maximum for any 1 day

Maximum for monthly average

Pollutant or pollutant property

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

Lead

0.000

0.000

Zinc

0.000

0.000

Aluminum

0.000

0.000

Ammonia (as N)

0.000

0.000

Table 3-11

Secondary Aluminum Smelting Stationary Casting Contact Cooling

BAT Effluent Limitations

Maximum for any 1 day

Maximum for monthly average

Pollutant or pollutant property

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

Lead

0.000

0.000

Zinc

0.000

0.000

Aluminum

0.000

0.000

Ammonia (as N)

0.000

0.000

Table 3-12

Secondary Aluminum Smelting Shot Casting Contact Cooling

BAT Effluent Limitations

Maximum for any 1 day

Maximum for monthly average

Pollutant or pollutant property

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

Lead

0.000

0.000

Zinc

0.000

0.000

Aluminum

0.000

0.000

Ammonia (as N)

0.000

0.000

Wis. Admin. Code Department of Natural Resources NR 274.033

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