Wis. Admin. Code Department of Natural Resources NR 274.283

Current through October 28, 2024
Section NR 274.283 - 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 28-6

Secondary Tantalum Tantalum Alloy Leach and Rinse

BAT Effluent Limitations

Maximum for any 1 day

Maximum for monthly average

Pollutant or pollutant property

mg/kg (pounds per million pounds) of tantalum powder produced

Copper

295.200

140.700

Lead

64.570

29.980

Nickel

126.800

85.320

Zinc

235.200

96.850

Tantalum

103.800

Table 28-7

Secondary Tantalum Capacitor Leach and Rinse

BAT Effluent Limitations

Maximum for 1 day

any Maximum for monthly average

Pollutant or pollutant property

mg/kg (pounds per million pounds) of

tantalum powder produced from

leaching

Copper

25.860

12.320

Lead

5.656

2.626

Nickel

11.110

7.474

Zinc

20.600

8.484

Tantalum

9.090

Table 28-8

Secondary Tantalum Tantalum Sludge Leach and Rinse

BAT Effluent Limitations

Maximum for 1 day

any Maximum for monthly average

Pollutant or pollutant property

mg/kg (pounds per million pounds) of equivalent pure tantalum powder produced

Copper

262.800

125.200

Lead

57.480

26.690

Nickel

112.900

75.960

Zinc

209.400

86.230

Tantalum

92.390

Table 28-9

Secondary Tantalum Tantalum Powder Acid Wash and Rinse

BAT Effluent Limitations

Maximum for any 1 day

Maximum for monthly average

Pollutant or pollutant property

mg/kg (pounds per million pounds) of tantalum powder produced

Copper

0.448

0.214

Lead

0.098

0.046

Nickel

0.193

0.130

Zinc

0.357

0.147

Tantalum

0.158

Table 28-10

Secondary Tantalum Leaching Wet Air Pollution Control

BAT Effluent Limitation

s

Maximum for any 1 day

Maximum for monthly average

Pollutant or pollutant property

mg/kg (pounds per million pounds) of

equivalent pure tantalum powder

produced

Copper

6.246

2.977

Lead

1.366

0.634

Nickel

2.684

1.806

Zinc

4.978

2.050

Tantalum

2.196

Wis. Admin. Code Department of Natural Resources NR 274.283

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