CFR > Title 40 - Protection of Environment > CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY > SUBCHAPTER N—EFFLUENT GUIDELINES AND STANDARDS (Parts 400–471) > PART 467—ALUMINUM FORMING POINT SOURCE CATEGORY > SUBPART C—Extrusion Subcategory (§467.30 to §467.37) > 467.35—Pretreatment standards for existing sources.

467.35—Pretreatment standards for existing sources.

(a) Except as provided in 40 CFR 403.7 and 403.13, any existing 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 existing sources.
(b) There shall be no discharge allowance for wastewater pollutants from the degassing operation.
(c) The mass of wastewater pollutants from the core and ancillary operations except those identified in paragraph (b), introduced into a POTW shall not exceed the following values:
Pollutant or pollutant property PSES
Maximum for any 1 day Maximum for monthly average
mg/off-kg (lb/million off-lbs) of extruded
Chromium 0.15 0.061
Cyanide 0.098 0.041
Zinc 0.49 0.21
TTO 0.23
Oil and grease (alternate monitoring parameter) 18 8.8
Pollutant or pollutant property PSES
Maximum for any 1 day Maximum for monthly average
mg/off-kg (lb/million off-lbs) of extruded
Chromium 0.65 0.27
Cyanide 0.43 0.18
Zinc 2.16 0.90
TTO 1.02
Oil and grease (alternate monitoring parameter) 77 39
Pollutant or pollutant property PSES
Maximum for any 1 day Maximum for monthly average
mg/off-kg (lb/million off-lbs) of aluminum cast
Chromium 0.59 0.24
Cyanide 0.39 0.16
Zinc 1.94 0.81
TTO 0.92
Oil and grease (alternate monitoring parameter) 69 35
Pollutant or pollutant property PSES
Maximum for any 1 day Maximum for monthly average
mg/off-kg (lb/million off-lbs) of aluminum quenched
Chromium 0.90 0.37
Cyanide 0.59 0.25
Zinc 2.98 1.25
TTO 1.41
Oil and grease (alternate monitoring parameter) 110 53
Pollutant or pollutant property PSES
Maximum for any 1 day Maximum for monthly average
mg/off-kg (lb/million off-lbs) of aluminum quenched
Chromium 0.90 0.37
Cyanide 0.59 0.25
Zinc 2.98 1.25
TTO 1.41
Oil and grease (alternate monitoring parameter) 110 53
Pollutant or pollutant property PSES
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 0.26 0.109
TTO 0.124
Oil and grease (alternate monitoring parameter) 9.3 4.7
Pollutant or pollutant property PSES
Maximum for any 1 day Maximum for monthly average
mg/off-kg (lb/million off-lbs) of aluminum cleaned or etched
Chromium 1.7 0.7
Cyanide 1.2 0.5
Zinc 5.7 2.4
TTO 2.7
Oil & Grease (alternate monitoring parameter) 200 100
Pollutant or pollutant property PSES
Maximum for any 1 day Maximum for monthly average
mg/off-kg (lb/million off-lbs) of aluminum cleaned or etched
Chromium 0.85 0.35
Cyanide 0.56 0.23
Zinc 2.82 1.18
TTO 1.34
Oil and grease (alternate monitoring parameter) 100 50

Code of Federal Regulations

[48 FR 49149, Oct. 24, 1983; 49 FR 11632, 11633 and 11634, Mar. 27, 1984, as amended at 53 FR 52369-52371, Dec. 27, 1988]
(a) Except as provided in 40 CFR 403.7 and 403.13, any existing 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 existing sources.
(b) There shall be no discharge allowance for wastewater pollutants from the degassing operation.
(c) The mass of wastewater pollutants from the core and ancillary operations except those identified in paragraph (b), introduced into a POTW shall not exceed the following values:
Pollutant or pollutant property PSES
Maximum for any 1 day Maximum for monthly average
mg/off-kg (lb/million off-lbs) of extruded
Chromium 0.15 0.061
Cyanide 0.098 0.041
Zinc 0.49 0.21
TTO 0.23
Oil and grease (alternate monitoring parameter) 18 8.8
Pollutant or pollutant property PSES
Maximum for any 1 day Maximum for monthly average
mg/off-kg (lb/million off-lbs) of extruded
Chromium 0.65 0.27
Cyanide 0.43 0.18
Zinc 2.16 0.90
TTO 1.02
Oil and grease (alternate monitoring parameter) 77 39
Pollutant or pollutant property PSES
Maximum for any 1 day Maximum for monthly average
mg/off-kg (lb/million off-lbs) of aluminum cast
Chromium 0.59 0.24
Cyanide 0.39 0.16
Zinc 1.94 0.81
TTO 0.92
Oil and grease (alternate monitoring parameter) 69 35
Pollutant or pollutant property PSES
Maximum for any 1 day Maximum for monthly average
mg/off-kg (lb/million off-lbs) of aluminum quenched
Chromium 0.90 0.37
Cyanide 0.59 0.25
Zinc 2.98 1.25
TTO 1.41
Oil and grease (alternate monitoring parameter) 110 53
Pollutant or pollutant property PSES
Maximum for any 1 day Maximum for monthly average
mg/off-kg (lb/million off-lbs) of aluminum quenched
Chromium 0.90 0.37
Cyanide 0.59 0.25
Zinc 2.98 1.25
TTO 1.41
Oil and grease (alternate monitoring parameter) 110 53
Pollutant or pollutant property PSES
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 0.26 0.109
TTO 0.124
Oil and grease (alternate monitoring parameter) 9.3 4.7
Pollutant or pollutant property PSES
Maximum for any 1 day Maximum for monthly average
mg/off-kg (lb/million off-lbs) of aluminum cleaned or etched
Chromium 1.7 0.7
Cyanide 1.2 0.5
Zinc 5.7 2.4
TTO 2.7
Oil & Grease (alternate monitoring parameter) 200 100
Pollutant or pollutant property PSES
Maximum for any 1 day Maximum for monthly average
mg/off-kg (lb/million off-lbs) of aluminum cleaned or etched
Chromium 0.85 0.35
Cyanide 0.56 0.23
Zinc 2.82 1.18
TTO 1.34
Oil and grease (alternate monitoring parameter) 100 50

Code of Federal Regulations

[48 FR 49149, Oct. 24, 1983; 49 FR 11632, 11633 and 11634, Mar. 27, 1984, as amended at 53 FR 52369-52371, Dec. 27, 1988]