Subpart C
Core
Pollutant or pollutant property | PSNS | |
Maximum for any 1 day | Maximum for monthly average | |
mg/off-kg (lb/million off-lbs) of extruded | ||
Chromium | 0.13 | 0.05 |
Cyanide | 0.07 | 0.03 |
Zinc | 0.35 | 0.15 |
TTO | 0.24 | |
Oil and grease (alternate monitoring parameter) | 3.40 | 3.40 |
Subpart C
Extrusion Press Leakage
Pollutant or pollutant property | PSNS | |
Maximum for any 1 day | Maximum for monthly average | |
mg/off-kg (lb/million off-lbs) of hard alloy aluminum extruded | ||
Chromium | 0.11 | 0.05 |
Cyanide | 0.06 | 0.03 |
Zinc | 0.31 | 0.13 |
TTO | 0.21 | |
Oil and grease (alternate monitoring parameter) | 2.98 | 2.98 |
Subpart C
Direct Chill Casting Contact Cooling Water
Pollutant or pollutant property | PSNS | |
Maximum for any 1 day | Maximum for monthly average | |
mg/off-kg (lb/million off-lbs) of aluminum cast | ||
Chromium | 0.49 | 0.20 |
Cyanide | 0.27 | 0.11 |
Zinc | 1.36 | 0.56 |
TTO | 0.92 | |
Oil and grease (alternate monitoring parameter) | 13.29 | 13.29 |
Subpart C
Press Heat Treatment Contact Cooling Water
Pollutant or pollutant property | PSNS | |
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 | 0.17 |
Zinc | 2.08 | 0.86 |
TTO | 1.41 | |
Oil and grease (alternate monitoring parameter) | 20.37 | 20.37 |
Subpart C
Solution Heat Treatment Contact Cooling Water
Pollutant or pollutant property | PSNS | |
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 | 0.17 |
Zinc | 2.08 | 0.86 |
TTO | 1.41 | |
Oil and grease (alternate monitoring parameter) | 20.37 | 20.37 |
Subpart C
Cleaning or Etching Bath
Pollutant or pollutant property | PSNS | |
Maximum for any 1 day | Maximum for monthly average | |
mg/off-kg (lb/million-off-lbs) of aluminum cleaned or etched | ||
Chromium | 0.067 | 0.027 |
Cyanide | 0.036 | 0.015 |
Zinc | 0.183 | 0.075 |
TTO | 0.124 | |
Oil and grease (alternate monitoring parameter) | 1.79 | 1.79 |
Subpart C
Cleaning or Etching Rinse
Pollutant or pollutant property | PSNS | |
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 |
TTO | 0.96 | |
Oil and grease (alternate monitoring parameter) | 13.91 | 13.91 |
Subpart C
Cleaning or Etching Scrubber Liquor
Pollutant or pollutant property | PSNS | |
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 | 0.16 |
Zinc | 1.97 | 0.81 |
TTO | 1.34 | |
Oil and grease (alternate monitoring parameter) | 19.33 | 19.33 |
40 C.F.R. §467.36