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40 CFR PART 467—ALUMINUM FORMING POINT SOURCE CATEGORY
1-40CFR467.txt - CFR - 5/16/2006 0:00:00 - Regulation - US

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(continued)
pH.......................................... (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.0 to 10.0 at all times.



Subpart C

Cleaning or Etching Bath



------------------------------------------------------------------------
NSPS
---------------------------
Pollutant or pollutant property Maximum for
Maximum for monthly
any 1 day 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
Aluminum.................................... 1.094 0.485
Oil and grease.............................. 1.79 1.79
Suspended solids............................ 2.69 2.15
pH.......................................... (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.0 to 10.0 at all times.



Subpart C

Cleaning or Etching Rinse



------------------------------------------------------------------------
NSPS
-------------------------
Pollutant or pollutant property Maximum for
Maximum for monthly
any 1 day 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
Aluminum...................................... 8.50 3.77
Oil and grease................................ 13.91 13.91
Suspended solids.............................. 20.87 16.70
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.0 to 10.0 at all times.



Subpart C

Cleaning or Etching Scrubber Liquor



------------------------------------------------------------------------
NSPS
-------------------------
Pollutant or pollutant property Maximum for
Maximum for monthly
any 1 day 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
Aluminum...................................... 11.81 5.24
Oil and grease................................ 19.33 19.33
Suspended solids.............................. 29.00 23.20
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.0 to 10.0 at all times.



[48 FR 49149, Oct. 24, 1983; 49 FR 11633 and 11634, Mar. 27, 1984, as amended at 53 FR 52370, Dec. 27, 1988]

§ 467.35 Pretreatment standards for existing sources.
top
(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



------------------------------------------------------------------------
PSES
---------------------------
Pollutant or pollutant property Maximum for
Maximum for monthly
any 1 day 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 18 8.8
parameter).................................
------------------------------------------------------------------------



Subpart C

Extrusion Press Leakage



------------------------------------------------------------------------
PSES
-------------------------
Pollutant or pollutant property Maximum for
Maximum for monthly
any 1 day 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 77 39
parameter)...................................
------------------------------------------------------------------------



Subpart C

Direct Chill Casting Contact Cooling Water



------------------------------------------------------------------------
PSES
-------------------------
Pollutant or pollutant property Maximum for
Maximum for monthly
any 1 day 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 69 35
parameter)...................................
------------------------------------------------------------------------



Subpart C

Press Heat Treatment Contact Cooling Water



------------------------------------------------------------------------
PSES
---------------------------
Pollutant or pollutant property Maximum for
Maximum for monthly
any 1 day 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 110 53
parameter).................................
------------------------------------------------------------------------



Subpart C

Solution Heat Treatment Contact Cooling Water



------------------------------------------------------------------------
PSES
---------------------------
Pollutant or pollutant property Maximum for
Maximum for monthly
any 1 day 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 110 53
parameter).................................
------------------------------------------------------------------------



Subpart C

Cleaning or Etching Bath



------------------------------------------------------------------------
PSES
---------------------------
Pollutant or pollutant property Maximum for
Maximum for monthly
any 1 day 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 9.3 4.7
parameter).................................
------------------------------------------------------------------------



Subpart C

Cleaning or Etching Rinse



------------------------------------------------------------------------
PSES
-------------------------
Pollutant or pollutant property Maximum for
Maximum for monthly
any 1 day 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 200 100
parameter)...................................
------------------------------------------------------------------------



Subpart C

Cleaning or Etching Scrubber Liquor



------------------------------------------------------------------------
PSES
-------------------------
Pollutant or pollutant property Maximum for
Maximum for monthly
any 1 day 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 100 50
parameter)...................................
------------------------------------------------------------------------


[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]

§ 467.36 Pretreatment standards for new sources.
top
(a) 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.

(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 values set forth below:

Subpart C

Core



------------------------------------------------------------------------
PSNS
-------------------------
Pollutant or pollutant property Maximum for
Maximum for monthly
any 1 day 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 3.40 3.40
parameter)...................................
------------------------------------------------------------------------


Subpart C

Extrusion Press Leakage



------------------------------------------------------------------------
PSNS
-------------------------
Pollutant or pollutant property Maximum for
Maximum for monthly
any 1 day 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 2.98 2.98
parameter)...................................
------------------------------------------------------------------------


Subpart C

Direct Chill Casting Contact Cooling Water



------------------------------------------------------------------------
PSNS
-------------------------
Pollutant or pollutant property Maximum for
Maximum for monthly
any 1 day 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 13.29 13.29
parameter)...................................
------------------------------------------------------------------------


Subpart C

Press Heat Treatment Contact Cooling Water



------------------------------------------------------------------------
PSNS
-------------------------
Pollutant or pollutant property Maximum for
Maximum for monthly
any 1 day 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 20.37 20.37
parameter)...................................
------------------------------------------------------------------------


Subpart C

Solution Heat Treatment Contact Cooling Water



------------------------------------------------------------------------
PSNS
-------------------------
Pollutant or pollutant property Maximum for
Maximum for monthly
any 1 day 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 20.37 20.37
parameter)...................................
------------------------------------------------------------------------


Subpart C

Cleaning or Etching Bath



------------------------------------------------------------------------
PSNS
-------------------------
Pollutant or pollutant property Maximum for
Maximum for monthly
any 1 day 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 1.79 1.79
parameter)...................................
------------------------------------------------------------------------


Subpart C

Cleaning or Etching Rinse



------------------------------------------------------------------------
PSNS
-------------------------
Pollutant or pollutant property Maximum for
Maximum for monthly
any 1 day 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 13.91 13.91
parameter)...................................
------------------------------------------------------------------------


Subpart C

Cleaning or Etching Scrubber Liquor



------------------------------------------------------------------------
PSNS
-------------------------
Pollutant or pollutant property Maximum for
Maximum for monthly
any 1 day 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 19.33 19.33
parameter)...................................
------------------------------------------------------------------------


[48 FR 49149, Oct. 24, 1983; 49 FR 11632, 11633, and 11634, Mar. 27, 1984]

§ 467.37 Effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology. [Reserved]
top
Subpart D—Forging Subcategory
top
§ 467.40 Applicability; description of the forging subcategory.
top
This subpart applies to discharges of pollutants to waters of the United States and introductions of pollutants into publicly owned treatment works from the core of the forging subcategory and the ancillary operations.

§ 467.41 Specialized definitions.
top
For the purpose of this subpart:

(a) The “core” of the forging subcategory shall include forging, artificial aging, annealing, degreasing, and sawing.

(b) The term “ancillary operation” shall mean any operation not previously included in the core, performed on-site, following or preceding the forging operation. The ancillary operations shall include forging air pollution scrubbers, solution heat treatment, and cleaning or etching.

§ 467.42 Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available. [Reserved]
top
§ 467.43 Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable. [Reserved]
top
§ 467.44 New source performance standards.
top
Any new source subject to this subpart must achieve the following performance standards. The discharge of wastewater pollutants from the core shall not exceed the values set forth below:

Subpart D

Core



------------------------------------------------------------------------
NSPS
---------------------------
Pollutant or pollutant property Maximum for
Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/off-kg
(lb/million
off-lbs) of
aluminum
forged
---------------------------
Chromium.................................... 0.019 0.008
Cyanide..................................... 0.010 0.004
Zinc........................................ 0.051 0.021
Aluminum.................................... 0.305 0.135
Oil and grease.............................. 0.50 0.50
Suspended solids............................ 0.75 0.60
pH.......................................... (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.0 to 10 at all times.


Subpart D

Forging Scrubber Liquor



------------------------------------------------------------------------
NSPS
---------------------------
Pollutant or pollutant property Maximum for
Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/off-kg
(lb/million
off-lbs) of
aluminum
forged
---------------------------
Chromium.................................... 0.035 0.014
Cyanide..................................... 0.019 0.008
Zinc........................................ 0.096 0.04
Aluminum.................................... 0.576 0.256
Oil and grease.............................. 0.943 0.95
Suspended solids............................ 1.42 1.13
pH.......................................... (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.0 to 10 at all times.


Subpart D

Solution Heat Treatment Contact Cooling Water



------------------------------------------------------------------------
NSPS
--------------------------
Pollutant or pollutant property Maximum for
Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/off-kg
(lb/million
off-lbs) of
aluminum
quenched
--------------------------
Chromium..................................... 0.76 0.31
Cyanide...................................... 0.41 0.163
Zinc......................................... 2.08 0.86
Aluminum..................................... 12.45 5.52
Oil and grease............................... 20.37 20.37
Suspended solids............................. 30.56 24.45
pH........................................... (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.0 to 10 at all times.


Subpart D

Cleaning or Etching Bath



------------------------------------------------------------------------
NSPS
---------------------------
Pollutant or pollutant property Maximum for
Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/off-kg
(lb/million
off-lbs) of
aluminum
cleaned or
etched
---------------------------
Chromium.................................... 0.066 0.027
Cyanide..................................... 0.036 0.015
Zinc........................................ 0.183 0.075
Aluminum.................................... 1.094 0.485
Oil and grease.............................. 1.79 1.79
Suspended solids............................ 2.69 2.15
pH.......................................... (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.0 to 10 at all times.


Subpart D

Cleaning or Etching Rinse



------------------------------------------------------------------------
NSPS
-------------------------
Pollutant or pollutant property Maximum for
Maximum for monthly
any 1 day 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
Aluminum...................................... 8.5 3.77
Oil and grease................................ 13.91 13.91
Suspended solids.............................. 20.87 16.69
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.0 to 10 at all times.


Subpart D

Cleaning or Etching Scrubber Liquor



------------------------------------------------------------------------
NSPS
--------------------------
Pollutant or pollutant property Maximum for
Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/off-kg
(lb/million
off-lbs) of
aluminum
cleaned or
etched
--------------------------
Chromium..................................... 0.72 0.29
Cyanide...................................... 0.39 0.155
Zinc......................................... 1.97 0.812
Aluminum..................................... 11.81 5.24
Oil and grease............................... 19.33 19.33
Suspended solids............................. 29.00 23.20
pH........................................... (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.0 to 10 at all times.


[48 FR 49149, Oct. 24, 1983; 49 FR 11633 and 11635, Mar. 27, 1984]

§ 467.45 Pretreatment standards for existing sources.
top
Except as provided in 40 CFR 403.7 and 403.13, any existing source subject to this subpart which introduced pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for existing sources. The mass of wastewater pollutants in aluminum forming process wastewater introduced into a POTW shall not exceed the values set forth below:

Subpart D

Core



------------------------------------------------------------------------
PSES
---------------------------
Pollutant or pollutant property Maximum for
Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/off-kg
(lb/million
off-lbs) of
aluminum
forged
---------------------------
Chromium.................................... 0.022 0.009
Cyanide..................................... 0.015 0.006
Zinc........................................ 0.073 0.031
TTO......................................... 0.035 ............
Oil and grease (alternate monitoring 2.6 1.3
parameter).................................
------------------------------------------------------------------------


Subpart D

Forging Scrubber Liquor



------------------------------------------------------------------------
PSES
---------------------------
Pollutant or pollutant property Maximum for
Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/off-kg
(lb/million
off-lbs) of
aluminum
forged
---------------------------
Chromium.................................... 0.042 0.017
Cyanide..................................... 0.028 0.011
Zinc........................................ 0.14 0.058
TTO......................................... 0.065 ............
Oil and grease (alternate monitoring 4.9 2.5
parameter).................................
------------------------------------------------------------------------


Subpart D

Solution Heat Treatment Contact Cooling Water



------------------------------------------------------------------------
PSES
---------------------------
Pollutant or pollutant property Maximum for
Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/off-kg
(lb/million
off-lbs) of
aluminum
quenched
---------------------------
Chromium.................................... 0.897 0.37
Cyanide..................................... 0.591 0.25
Zinc........................................ 2.98 1.24
TTO......................................... 1.41 ............
Oil and grease (alternate monitoring 110 53
parameter).................................
------------------------------------------------------------------------


Subpart D

Cleaning or Etching Bath



------------------------------------------------------------------------
PSES
---------------------------
Pollutant or pollutant property Maximum for
Maximum for monthly
any 1 day 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 0.11
TTO......................................... 0.123 ............
Oil and grease (alternate monitoring 9.3 4.7
parameter).................................
------------------------------------------------------------------------


Subpart D

Cleaning or Etching Rinse



------------------------------------------------------------------------
PSES
---------------------------
Pollutant or pollutant property Maximum for
Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mb/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 and grease (alternate monitoring 200 100
parameter).................................
------------------------------------------------------------------------


Subpart D

Cleaning or Etching Scrubber Liquor



------------------------------------------------------------------------
PSES
--------------------------
Pollutant or pollutant property Maximum for
Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/off-kg
(lb/million
off-lbs) of
aluminum
cleaned or
etched
--------------------------
Chromium..................................... 0.851 0.35
Cyanide...................................... 0.561 0.23
Zinc......................................... 2.82 1.18
TTO.......................................... 1.34 ...........
Oil and grease (alternate monitoring 100 50
parameter)..................................
------------------------------------------------------------------------


[48 FR 49149, Oct. 24, 1983; 49 FR 11632, 11633, and 11635, Mar. 27, 1984, as amended at 53 FR 52369–52371, Dec. 27, 1988]

§ 467.46 Pretreatment standards for new sources.
top
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 values set forth below:

Subpart D

Core



------------------------------------------------------------------------
PSNS
---------------------------
Pollutant or pollutant property Maximum forMaximum for monthly (continued)
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