Regulations last checked for updates: Oct 18, 2024

Title 40 - Protection of Environment last revised: Oct 16, 2024
All TitlesTitle 40Chapter IPart 467Subpart A - Subpart A—Rolling With Neat Oils Subcategory
View all text of Subpart A [§ 467.10 - § 467.17]
§ 467.16 - Pretreatment standards for new sources.

Except as provided in 40 CFR 403.7, any new source subject to this subpart which introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for new sources. The mass of wastewater pollutants in aluminum forming process wastewater introduced into a POTW shall not exceed the following values:

Subpart A Core With an Annealing Furnace Scrubber
Pollutant or pollutant property PSNS
Maximum for any 1 day Maximum for monthly average
mg/off-kg (lb/million off-lbs) of aluminum rolled with neat oils
Chromium0.0300.013
Cyanide0.0170.007
Zinc0.0840.035
TTO0.057
Oil and grease (alternate monitoring parameter)0.8170.817
Subpart A Core Without an Annealing Furnace Scrubber
Pollutant or pollutant property PSNS
Maximum for any 1 day Maximum for monthly average
mg/off-kg (lb/million off-lbs) of aluminum rolled with neat oils
Chromium0.0210.009
Cyanide0.0110.005
Zinc0.0570.024
TTO0.038
Oil and grease (alternate monitoring parameter)0.540.54
Subpart A Continuous Sheet Casting Lubricant
Pollutant or pollutant property PSNS
Maximum for any 1 day Maximum for monthly average
mg/off-kg (lb/million off-lbs) of aluminum cast
Chromium0.000730.00029
Cyanide0.000390.00016
Zinc0.00200.00082
TTO0.0014
Oil and grease (alternate monitoring parameter)0.0200.020
Subpart A 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
Chromium0.760.31
Cyanide0.410.17
Zinc2.080.86
TTO1.41
Oil and grease (alternate monitoring parameter)20.3720.37
Subpart A 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
Chromium0.0670.027
Cyanide0.0360.015
Zinc0.1830.075
TTO0.124
Oil and grease (alternate monitoring parameter)1.791.79
Subpart A 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
Chromium0.520.21
Cyanide0.280.11
Zinc1.420.59
TTO0.96
Oil and grease (alternate monitoring parameter)13.9113.91
Subpart A 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
Chromium0.720.29
Cyanide0.390.16
Zinc1.970.81
TTO1.34
Oil and grease (alternate monitoring parameter)19.3319.33
[48 FR 49149, Oct. 24, 1983; 49 FR 11631, 11632, Mar. 27, 1984]
source: 48 FR 49149, Oct. 24, 1983, unless otherwise noted.
cite as: 40 CFR 467.16
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