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Code of Federal Regulations Title 40. Protection of Environment § 40.467.62 Effluent limitations representing the degree of effluent reduction attainable by the application of best practicable control technology currently available

Current as of October 02, 2022 | Updated by FindLaw Staff

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

SUBPART F

Core

BPT effluent limitations

Pollutant or pollutant property

Maximum for any 1 day

Maximum for monthly average

mg/off-kg (lb/million off-lbs) of aluminum drawn with emulsions or soaps

Chromium

0.205

0.084

Cyanide

0.135

0.056

Zinc

0.680

0.285

Aluminum

3.00

1.50

Oil and grease

9.33

5.60

Suspended solids

19.12

9.10

pH

(1)

(1)

1 Within the range of 7.0 to 10 at all times.

SUBPART F

Continuous Rod Casting Spent Lubricant

BPT effluent limitations

Pollutant or pollutant property

Maximum for any 1 day

Maximum for monthly average

mg/off-kg (lb/million off-lbs) of aluminum cast

Chromium

0.0009

0.0004

Cyanide

0.0006

0.0003

Zinc

0.0029

0.001

Aluminum

0.013

0.007

Oil and grease

0.040

0.024

Suspended solids

0.081

0.039

pH

(1)

(1)

1 Within the range of 7.0 to 10 at all times.

SUBPART F

Continuous Rod Casting Contact Cooling Water

BPT effluent limitations

Pollutant or pollutant property

Maximum for any 1 day

Maximum for monthly average

mg/off-kg (lb/million off-lbs) of aluminum cast

Chromium

0.684

0.28

Cyanide

0.450

0.187

Zinc

2.27

0.949

Aluminum

10.00

4.976

Oil and grease

31.10

18.66

Suspended solids

63.76

30.323

pH

(1)

(1)

1 Within the range of 7.0 to 10 at all times.

SUBPART F

Solution Heat Treatment Contact Cooling Water

BPT effluent limitations

Pollutant or pollutant property

Maximum for any 1 day

Maximum for monthly average

mg/off-kg (lb/million off-lbs) of aluminum quenched

Chromium

3.39

1.39

Cyanide

2.24

0.93

Zinc

11.25

4.70

Aluminum

49.55

24.66

Oil and grease

154.10

92.46

Suspended solids

315.91

150.25

pH

(1)

(1)

1 Within the range of 7.0 to 10 at all times.

SUBPART F

Cleaning or Etching Bath

BPT effluent limitations

Pollutant or pollutant property

Maximum for any 1 day

Maximum for monthly average

mg/off-kg (lb/million off-lbs) of aluminum cleaned or etched

Chromium

0.079

0.032

Cyanide

0.052

0.022

Zinc

0.262

0.109

Aluminum

1.15

0.573

Oil and grease

3.58

2.15

Suspended solids

7.34

3.49

pH

(1)

(1)

1 Within the range of 7.0 to 10 at all times.

SUBPART F

Cleaning or Etching Rinse

BPT effluent limitations

Pollutant or pollutant property

Maximum for any 1 day

Maximum for monthly average

mg/off-kg (lb/million off-lbs) of aluminum cleaned or etched

Chromium

6.12

2.51

Cyanide

4.04

1.67

Zinc

20.31

8.49

Aluminum

89.46

44.519

Oil and grease

278.24

166.95

Suspended solids

570.39

271.29

pH

(1)

(1)

1 Within the range of 7.0 to 10 at all times.

SUBPART F

Cleaning or Etching Scrubber Liquor

BPT effluent limitations

Pollutant or pollutant property

Maximum for any 1 day

Maximum for monthly average

mg/off-kg (lb/million off-lbs) of aluminum cleaned or etched

Chromium

7.00

2.86

Cyanide

4.61

1.91

Zinc

23.22

9.70

Aluminum

102.24

50.88

Oil and grease

318.00

190.80

Suspended solids

651.90

310.05

pH

(1)

(1)

1 Within the range of 7.0 to 10 at all times.

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Cite this article: FindLaw.com - Code of Federal Regulations Title 40. Protection of Environment § 40.467.62 Effluent limitations representing the degree of effluent reduction attainable by the application of best practicable control technology currently available - last updated October 02, 2022 | https://codes.findlaw.com/cfr/title-40-protection-of-environment/cfr-sect-40-467-62/

Read this complete Code of Federal Regulations Title 40. Protection of Environment § 40.467.62 Effluent limitations representing the degree of effluent reduction attainable by the application of best practicable control technology currently available on Westlaw

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