 |
Code of Federal Regulations (Last Updated: July 5, 2024) |
 |
Title 40 - Protection of Environment |
|
Chapter I - Environmental Protection Agency |
|
SubChapter N - Effluent Guidelines and Standards |
|
Part 467 - Aluminum Forming Point Source Category |
|
Subpart F - Drawing With Emulsions or Soaps Subcategory |
§ 467.62 - Effluent limitations representing the degree of effluent reduction attainable by the application of best practicable control technology currently available.
Latest version.
-
§ 467.62 Effluent limitations representing the degree of effluent reduction attainable by the application of best practicable control technology currently available.
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
Pollutant or pollutant property BPT effluent limitations 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) Subpart F
Continuous Rod Casting Spent Lubricant
Pollutant or pollutant property BPT effluent limitations 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) Subpart F
Continuous Rod Casting Contact Cooling Water
Pollutant or pollutant property BPT effluent limitations 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) Subpart F
Solution Heat Treatment Contact Cooling Water
Pollutant or pollutant property BPT effluent limitations 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) Subpart F
Cleaning or Etching Bath
Pollutant or pollutant property BPT effluent limitations 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) Subpart F
Cleaning or Etching Rinse
Pollutant or pollutant property BPT effluent limitations 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) Subpart F
Cleaning or Etching Scrubber Liquor
Pollutant or pollutant property BPT effluent limitations 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) [48 FR 49149, Oct. 24, 1983; 49 FR 11633, 11635, Mar. 27, 1984]