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Code of Federal Regulations Title 40. Protection of Environment § 40.421.282 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available

Current as of January 02, 2025 | Updated by Findlaw Staff

Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart shall achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable technology currently available:

(a) Tantalum alloy leach and rinse.

BPT LIMITATIONS FOR THE SECONDARY TANTALUM SUBCATEGORY

Pollutant or pollutant property

Maximum for any 1 day

Maximum for monthly average

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

Copper

 438.100

 230.600

Lead

 96.850

 46.120

Nickel

 442.800

 292.900

Zinc

 336.700

 140.700

Tantalum

 103.800

Total suspended solids

9,455.000

4,497.000

pH

(1)

(1)

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

(b) Capacitor leach and rinse.

BPT LIMITATIONS FOR THE SECONDARY TANTALUM SUBCATEGORY

Pollutant or pollutant property

Maximum for any 1 day

Maximum for monthly average

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

Copper

38.380

20.200

Lead

8.484

4.040

Nickel

38.780

25.650

Zinc

29.490

12.320

Tantalum

9.090

Total suspended solids

828.200

393.900

pH

(1)

(1)

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

(c) Tantalum sludge leach and rinse.

BPT LIMITATIONS FOR THE SECONDARY TANTALUM SUBCATEGORY

Pollutant or pollutant property

Maximum for any 1 day

Maximum for monthly average

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

Copper

 390.100

 205.300

Lead

 86.230

 41.060

Nickel

 394.200

 260.700

Zinc

 299.700

 125.200

Tantalum

 92.390

Total suspended solids

8,417.000

4,003.000

pH

(1)

(1)

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

(d) Tantalum powder acid wash and rinse.

BPT LIMITATIONS FOR THE SECONDARY TANTALUM SUBCATEGORY

Pollutant or pollutant property

Maximum for any 1 day

Maximum for monthly average

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

Copper

0.665

0.350

Lead

0.147

0.070

Nickel

0.672

0.445

Zinc

0.511

0.214

Tantalum

0.158

Total suspended solids

14.350

6.825

pH

(1)

(1)

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

(e) Leaching wet air pollution control.

BPT LIMITATIONS FOR THE SECONDARY TANTALUM SUBCATEGORY

Pollutant or pollutant property

Maximum for any 1 day

Maximum for monthly average

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

Copper

9.272

4.880

Lead

2.050

0.976

Nickel

9.370

6.198

Zinc

7.125

2.977

Tantalum

2.196

Total suspended solids

200.100

95.160

pH

(1)

(1)

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

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Cite this article: FindLaw.com - Code of Federal Regulations Title 40. Protection of Environment § 40.421.282 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available - last updated January 02, 2025 | https://codes.findlaw.com/cfr/title-40-protection-of-environment/cfr-sect-40-421-282/

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