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:
Subpart C Core
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
Subpart C Extrusion Press Leakage
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
Subpart C Direct Chill Casting Contact Cooling Water
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
Subpart C Press Heat Treatment Contact Cooling Water
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
Subpart C Solution Heat Treatment Contact Cooling Water
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
Subpart C Cleaning or Etching Bath
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
Subpart C Cleaning or Etching Rinse
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
Subpart C Cleaning or Etching Scrubber Liquor
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
[48 FR 49149, Oct. 24, 1983; 49 FR 11632, 11633, 11634, Mar. 27,
1984, as amended at 53 FR 52369, Dec. 27, 1988]