40 CFR 467.64: 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 F

Core

Pollutant or pollutant property NSPS

Maximum for any 1 day Maximum for monthly average

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

Chromium 0.173 0.070

Cyanide 0.094 0.038

Zinc 0.476 0.196

Aluminum 2.85 1.27

Oil and grease 4.67 4.67

Suspended solids 7.00 5.60

pH (1) (1)

1 Within the range of 7.0 to 10.0 at all times.

Subpart F

Continuous Rod Casting Spent Lubricant

Pollutant or pollutant property NSPS

Maximum for any 1 day Maximum for monthly average

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

Chromium 0.0008 0.0003

Cyanide 0.0004 0.0002

Zinc 0.0020 0.0008

Aluminum 0.012 0.0053

Oil and grease 0.020 0.020

Suspended solids 0.030 0.024

pH (1) (1)

1 Within the range of 7.0 to 10.0 at all times.

Subpart F

Continuous Rod Casting 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 rod cast

Chromium 0.072 0.029

Cyanide 0.039 0.016

Zinc 0.198 0.081

Aluminum 1.184 0.526

Oil and grease 1.940 1.940

Suspended solids 2.91 2.33

pH (1) (1)

1 Within the range of 7.0 to 10.0 at all times.

Subpart F

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 0.754 0.31

Cyanide 0.408 0.16

Zinc 2.08 0.86

Aluminum 12.450 5.52

Oil and grease 20.37 20.37

Suspended solids 20.56 24.45

pH (1) (1)

1 Within the range of 7.0 to 10.0 at all times.

Subpart F

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 0.49

Oil and grease 1.79 1.79

Suspended solids 2.69 2.15

pH (1) (1)

1 Within the range of 7.0 to 10.0 at all times.

Subpart F

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 0.515 0.21

Cyanide 0.278 0.11

Zinc 1.42 0.59

Aluminum 8.50 3.77

Oil and grease 13.91 13.91

Suspended solids 20.87 16.70

pH (1) (1)

1 Within the range of 7.0 to 10.0 at all times.

Subpart F

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 0.290

Cyanide 0.387 0.155

Zinc 1.97 0.812

Aluminum 1.18 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 10.0 at all times.