40 CFR § 467.44 - New source performance standards.

§ 467.44 New source performance standards.

Any new source subject to this subpart must achieve the following performance standards. The discharge of wastewater pollutants from the core shall not exceed the values set forth below:

Subpart D
Core
Pollutant or pollutant property NSPS
Maximum for any 1 day Maximum for monthly average
mg/off-kg (lb/million off-lbs) of aluminum forged
Chromium 0.019 0.008
Cyanide 0.010 0.004
Zinc 0.051 0.021
Aluminum 0.305 0.135
Oil and grease 0.50 0.50
Suspended solids 0.75 0.60
pH ( 1) ( 1)

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

Subpart D
Forging Scrubber Liquor
Pollutant or pollutant property NSPS
Maximum for any 1 day Maximum for monthly average
mg/off-kg (lb/million off-lbs) of aluminum forged
Chromium 0.035 0.014
Cyanide 0.019 0.008
Zinc 0.096 0.04
Aluminum 0.576 0.256
Oil and grease 0.943 0.95
Suspended solids 1.42 1.13
pH ( 1) ( 1)

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

Subpart D
Solution Heat Treatment Contact Cooling Water
Pollutant or pollutant property NSPS
Maximum for any 1 day Maximum for monthly average
mg/off-kg (lb/million off-lbs) of aluminum quenched
Chromium 0.76 0.31
Cyanide 0.41 0.163
Zinc 2.08 0.86
Aluminum 12.45 5.52
Oil and grease 20.37 20.37
Suspended solids 30.56 24.45
pH ( 1) ( 1)

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

Subpart D
Cleaning or Etching Bath
Pollutant or pollutant property NSPS
Maximum for any 1 day Maximum for monthly average
mg/off-kg (lb/million off-lbs) of aluminum cleaned or etched
Chromium 0.066 0.027
Cyanide 0.036 0.015
Zinc 0.183 0.075
Aluminum 1.094 0.485
Oil and grease 1.79 1.79
Suspended solids 2.69 2.15
pH ( 1) ( 1)

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

Subpart D
Cleaning or Etching Rinse
Pollutant or pollutant property NSPS
Maximum for any 1 day Maximum for monthly average
mg/off-kg (lb/million off-lbs) of aluminum cleaned or etched
Chromium 0.52 0.21
Cyanide 0.28 0.11
Zinc 1.42 0.59
Aluminum 8.5 3.77
Oil and grease 13.91 13.91
Suspended solids 20.87 16.69
pH ( 1) ( 1)

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

Subpart D
Cleaning or Etching Scrubber Liquor
Pollutant or pollutant property NSPS
Maximum for any 1 day Maximum for monthly average
mg/off-kg (lb/million off-lbs) of aluminum cleaned or etched
Chromium 0.72 0.29
Cyanide 0.39 0.155
Zinc 1.97 0.812
Aluminum 11.81 5.24
Oil and grease 19.33 19.33
Suspended solids 29.00 23.20
pH ( 1) ( 1)

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

[48 FR 49149, Oct. 24, 1983; 49 FR 11633, 11635, Mar. 27, 1984]

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