Loading (50 kb)...'
(continued)
uranium
rinsed
---------------------------
Cadmium..................................... 0.001 0.0004
Chromium.................................... 0.002 0.0007
Copper...................................... 0.006 0.003
Lead........................................ 0.002 0.0006
Nickel...................................... 0.003 0.002
Fluoride.................................... 0.277 0.123
Molybdenum.................................. 0.024 0.011
------------------------------------------------------------------------
(k) Area cleaning rinse.
Subpart G_PSNS
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/off-kg
(pounds per
million off-
pounds) of
uranium
formed
---------------------------
Cadmium..................................... 0.009 0.004
Chromium.................................... 0.016 0.007
Copper...................................... 0.055 0.026
Lead........................................ 0.012 0.006
Nickel...................................... 0.024 0.016
Fluoride.................................... 2.56 1.14
Molybdenum.................................. 0.216 0.096
------------------------------------------------------------------------
(l) Drum washwater.
Subpart G_PSNS
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/off-kg
(pounds per
million off-
pounds) of
uranium
formed
---------------------------
Cadmium..................................... 0.009 0.004
Chromium.................................... 0.017 0.007
Copper...................................... 0.057 0.027
Lead........................................ 0.013 0.006
Nickel...................................... 0.025 0.017
Fluoride.................................... 2.64 1.17
Molybdenum.................................. 0.223 0.099
------------------------------------------------------------------------
(m) Laundry washwater.
Subpart G_PSNS
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/
employee_day
---------------------------
Cadmium..................................... 5.24 2.10
Chromium.................................... 9.70 3.93
Copper...................................... 33.6 16.0
Lead........................................ 7.34 3.41
Nickel...................................... 14.4 9.70
Fluoride.................................... 1,560 692
Molybdenum.................................. 132 58.4
------------------------------------------------------------------------
(n) Degreasing spent solvents—Subpart G—PSNS. There shall be no discharge of process wastewater pollutants.
[50 FR 34270, Aug. 23, 1985; 51 FR 2888, Jan. 22, 1986]
§ 471.76 Effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology (BCT). [Reserved]
top
Subpart H—Zinc Forming Subcategory
top
§ 471.80 Applicability; description of the zinc forming 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 process operations of the zinc forming subcategory.
§ 471.81 Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).
top
Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart must achieve the following effluent limitations for the process operations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT):
(a) Rolling spent neat oils—Subpart H—BPT. There shall be no discharge of process wastewater pollutants.
(b) Rolling spent emulsions.
Subpart H_BPT
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/off-kg
(pounds per
million off-
pounds) of
zinc rolled
with
emulsions
---------------------------
Chromium.................................... 0.0006 0.0003
Copper...................................... 0.003 0.002
Cyanide..................................... 0.0004 0.0002
Zinc........................................ 0.002 0.0009
Oil and grease.............................. 0.028 0.017
TSS......................................... 0.057 0.027
pH.......................................... (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.
(c) Rolling contact cooling water.
Subpart H_BPT
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/off-kg
(pounds per
million off-
pounds) of
zinc rolled
with contact
cooling
water
---------------------------
Chromium.................................... 0.236 0.0097
Copper...................................... 1.02 0.536
Cyanide..................................... 0.156 0.065
Zinc........................................ 0.783 0.327
Oil and grease.............................. 10.7 6.43
TSS......................................... 22.0 10.5
pH.......................................... (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.
(d) Drawing spent emulsions.
Subpart H_BPT
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/off-kg
(pounds per
million off-
pounds) of
zinc drawn
with
emulsions
---------------------------
Chromium.................................... 0.003 0.001
Copper...................................... 0.011 0.006
Cyanide..................................... 0.002 0.0007
Zinc........................................ 0.009 0.004
Oil and grease.............................. 0.116 0.070
TSS......................................... 0.238 0.113
pH.......................................... (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.
(e) Direct chill casting contact cooling water.
Subpart H_BPT
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/off-kg
(pounds per
million off-
pounds) of
zinc cast by
the direct
chill method
---------------------------
Chromium.................................... 0.222 0.091
Copper...................................... 0.960 0.505
Cyanide..................................... 0.147 0.061
Zinc........................................ 0.738 0.308
Oil and grease.............................. 10.1 6.06
TSS......................................... 20.7 9.85
pH.......................................... (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.
(f) Stationary casting contact cooling water—Subpart H—BPT. There shall be no discharge of process wastewater pollutants.
(g) Heat treatment contact cooling water.
Subpart H_BPT
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/off-kg
(pounds per
million off-
pounds) of
zinc heat
treated
---------------------------
Chromium.................................... 0.336 0.138
Copper...................................... 1.45 0.763
Cyanide..................................... 0.221 0.092
Zinc........................................ 1.12 0.466
Oil and grease.............................. 15.3 9.16
TSS......................................... 31.3 14.9
pH.......................................... (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.
(h) Surface treatment spent baths.
Subpart H_BPT
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/off-kg
(pounds per
million off-
pounds) of
zinc surface
treated
---------------------------
Chromium.................................... 0.039 0.016
Copper...................................... 0.169 0.089
Cyanide..................................... 0.026 0.011
Zinc........................................ 0.130 0.054
Oil and grease.............................. 1.78 1.07
TSS......................................... 3.64 1.73
pH.......................................... (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.
(i) Surface treatment rinse.
Subpart H_BPT
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/off-kg
(pounds per
million off-
pounds) of
zinc surface
treated
---------------------------
Chromium.................................... 1.58 0.645
Copper...................................... 6.80 3.58
Cyanide..................................... 1.04 0.430
Zinc........................................ 5.23 2.19
Oil and grease.............................. 71.6 43.0
TSS......................................... 147 69.8
pH.......................................... (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.
(j) Alkaline cleaning spent baths.
Subpart H_BPT
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/off-kg
(pounds per
million off-
pounds) of
zinc
alkaline
cleaned
---------------------------
Chromium.................................... 0.002 0.0007
Copper...................................... 0.007 0.004
Cyanide..................................... 0.001 0.0004
Zinc........................................ 0.005 0.002
Oil and grease.............................. 0.071 0.043
TSS......................................... 0.146 0.069
pH.......................................... (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.
(k) Alkaline cleaning rinse.
Subpart H_BPT
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/off-kg
(pounds per
million off-
pounds) of
zinc
alkaline
cleaned
---------------------------
Chromium.................................... 0.744 0.304
Copper...................................... 3.21 1.69
Cyanide..................................... 0.490 0.203
Zinc........................................ 2.47 1.03
Oil and grease.............................. 33.8 20.3
TSS......................................... 69.3 33.0
pH.......................................... (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.
(l) Sawing or grinding spent emulsions.
Subpart H_BPT
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/off-kg
(pounds per
million off-
pounds) of
zinc sawed
or ground
with
emulsions
---------------------------
Chromium.................................... 0.011 0.005
Copper...................................... 0.045 0.024
Cyanide..................................... 0.007 0.003
Zinc........................................ 0.035 0.015
Oil and grease.............................. 0.476 0.286
TSS......................................... 0.976 0.464
pH.......................................... (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.
(m) Electrocoating rinse.
Subpart H_BPT
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/off-kg
(pounds per
million off-
pounds) of
zinc
electrocoate
d
---------------------------
Chromium.................................... 1.01 0.412
Copper...................................... 4.35 2.29
Cyanide..................................... 0.664 0.275
Zinc........................................ 3.35 1.40
Oil and grease.............................. 45.8 27.5
TSS......................................... 93.9 44.7
pH.......................................... (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.
(n) Degreasing spent solvents—Subpart H—BPT. There shall be no discharge of process wastewater pollutants.
[50 FR 34270, Aug. 23, 1985; 51 FR 2888, Jan. 22, 1986]
§ 471.82 Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).
top
Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT):
(a) Rolling spent neat oils—Subpart H—BAT. There shall be no discharge of process wastewater pollutants.
(b) Rolling spent emulsions.
Subpart H_BAT
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/off-kg
(pounds per
million off-
pounds) of
zinc rolled
with
emulsions
--------------------------
Chromium..................................... 0.0005 0.0002
Copper....................................... 0.002 0.0009
Cyanide...................................... 0.0003 0.0001
Zinc......................................... 0.002 0.0006
------------------------------------------------------------------------
(c) Rolling contact cooling water.
Subpart H_BAT
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/off-kg
(pounds per
million off-
pounds) of
zinc rolled
with
contact
cooling
water
-------------------------
Chromium...................................... 0.020 0.009
Copper........................................ 0.069 0.033
Cyanide....................................... 0.011 0.004
Zinc.......................................... 0.055 0.023
------------------------------------------------------------------------
(d) Drawing spent emulsions.
Subpart H_BAT
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/off-kg
(pounds per
million off-
pounds) of
zinc drawn
with
emulsions
--------------------------
Chromium..................................... 0.002 0.0009
Copper....................................... 0.008 0.004
Cyanide...................................... 0.001 0.0005
Zinc......................................... 0.006 0.003
------------------------------------------------------------------------
(e) Direct chill casting contact cooling water.
Subpart H_BAT
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/off-kg
(pounds per
million off-
pounds) of
zinc cast
by the
direct
chill
method
-------------------------
Chromium...................................... 0.019 0.008
Copper........................................ 0.065 0.031
Cyanide....................................... 0.010 0.004
Zinc.......................................... 0.052 0.021
------------------------------------------------------------------------
(f) Stationary casting contact cooling water—Subpart H—BAT. There shall be no discharge of process wastewater pollutants.
(g) Heat treatment contact cooling water.
Subpart H_BAT
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/off-kg
(pounds per
million off-
pounds) of
zinc heat
treated
-------------------------
Chromium...................................... 0.029 0.012
Copper........................................ 0.098 0.047
Cyanide....................................... 0.016 0.006
Zinc.......................................... 0.078 0.032
------------------------------------------------------------------------
(h) Surface treatment spent baths.
Subpart H_BAT
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/off-kg
(pounds per
million off-
pounds) of
zinc
surface
treated
-------------------------
Chromium...................................... 0.033 0.014
Copper........................................ 0.114 0.054
Cyanide....................................... 0.018 0.007
Zinc.......................................... 0.091 0.038
------------------------------------------------------------------------
(i) Surface treatment rinse.
Subpart H_BAT
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/off-kg
(pounds per
million off-
pounds) of
zinc
surface
treated
-------------------------
Chromium...................................... 0.133 0.054
Copper........................................ 0.457 0.219
Cyanide....................................... 0.072 0.029
Zinc.......................................... 0.365 0.151
------------------------------------------------------------------------
(j) Alkaline cleaning spent baths.
Subpart H_BAT
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/off-kg
(pounds per
million off-
pounds) of
zinc
alkaline
cleaned
---------------------------
Chromium.................................... 0.002 0.0006
Copper...................................... 0.005 0.002
Cyanide..................................... 0.0007 0.0003
Zinc........................................ 0.004 0.002
------------------------------------------------------------------------
(k) Alkaline cleaning rinse.
Subpart H_BAT
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/off-kg
(pounds per
million off-
pounds) of
zinc
alkaline
cleaned
---------------------------
Chromium.................................... 0.626 0.254
Copper...................................... 2.17 1.03
Cyanide..................................... 0.338 0.135
Zinc........................................ 1.73 0.710
------------------------------------------------------------------------
(l) Sawing or grinding spent emulsions.
Subpart H_BAT
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/off-kg
(pounds per
million off-
pounds) of
zinc sawed
or ground
with
emulsions
-------------------------
Chromium...................................... 0.009 0.004
Copper........................................ 0.031 0.015
Cyanide....................................... 0.005 0.002
Zinc.......................................... 0.025 0.010
------------------------------------------------------------------------
(m) Electrocoating rinse.
Subpart H_BAT
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/off-kg
(pounds per
million off-
pounds) of
zinc
electrocoat
ed
-------------------------
Chromium...................................... 0.085 0.035
Copper........................................ 0.293 0.140
Cyanide....................................... 0.046 0.019
Zinc.......................................... 0.234 0.096
------------------------------------------------------------------------
(n) Degreasing spent solvents—Subpart H—BAT. There shall be no discharge or process wastewater pollutants.
[50 FR 34270, Aug. 23, 1985; 51 FR 2888, Jan. 22, 1986]
§ 471.83 New source performance standards (NSPS).
top
Any new source subject to this subpart must achieve the following new source performance standards (NSPS):
(a) Rolling spent neat oils—Subpart H—NSPS. There shall be no discharge of process wastewater pollutants.
(b) Rolling spent emulsions.
Subpart H_NSPS
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/off-kg
(pounds per
million off-
pounds) of
zinc rolled
with
emulsions
---------------------------
Chromium.................................... 0.0005 0.0002
Copper...................................... 0.002 0.0009
Cyanide..................................... 0.0003 0.0001
Zinc........................................ 0.002 0.0006
Oil and grease.............................. 0.014 0.014
TSS......................................... 0.021 0.017
pH.......................................... (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.
(c) Rolling contact cooling water.
Subpart H_NSPS
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/off-kg
(pounds per
million off-
pounds) of
zinc rolled
with contact
cooling
water
---------------------------
Chromium.................................... 0.020 0.009
Copper...................................... 0.069 0.037
Cyanide..................................... 0.011 0.004
Zinc........................................ 0.055 0.023
Oil and grease.............................. 0.536 0.536
TSS......................................... 0.804 0.643
pH.......................................... (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.
(d) Drawing spent emulsions.
Subpart H_NSPS
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/off-kg
(pounds per
million off-
pounds) of
zinc drawn
with
emulsions
---------------------------
Chromium.................................... 0.002 0.0009
Copper...................................... 0.008 0.004
Cyanide..................................... 0.001 0.0005
Zinc........................................ 0.006 0.003
Oil and grease.............................. 0.058 0.058
TSS......................................... 0.087 0.070
pH.......................................... (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times
(e) Direct chill casting contact cooling water.
Subpart H_NSPS
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any one day average
------------------------------------------------------------------------
mg/off-kg
(pounds per
million off-
pounds) of
zinc cast by
the direct
chill method
---------------------------
Chromium.................................... 0.019 0.008
Copper...................................... 0.065 0.031
Cyanide..................................... 0.010 0.004
Zinc........................................ 0.052 0.021
Oil and grease.............................. 0.505 0.505
TSS......................................... 0.758 0.606
pH.......................................... (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.
(f) Stationary casting contact cooling water—Subpart H—NSPS. There shall be no discharge of process wastewater pollutants.
(g) Heat treatment contact cooling water.
Subpart H_NSPS
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/off-kg
(pounds per
million off-
pounds) of
zinc heat
treated
---------------------------
Chromium.................................... 0.029 0.012
Copper...................................... 0.098 0.047
Cyanide..................................... 0.016 0.006
Zinc........................................ 0.078 0.032
Oil and grease.............................. 0.763 0.763
TSS......................................... 1.15 0.916
pH.......................................... (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.
(h) Surface treatment spent baths.
Subpart H_NSPS
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/off-kg
(pounds per
million off-
pounds) of
zinc surface
treated
---------------------------
Chromium.................................... 0.033 0.014
Copper...................................... 0.114 0.054
Cyanide..................................... 0.018 0.007
Zinc........................................ 0.091 0.038
Oil and grease.............................. 0.887 0.887
TSS......................................... 1.33 1.07
pH.......................................... (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.
(i) Surface treatment rinse.
Subpart H_NSPS
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/off-kg
(pounds per
million off-
pounds) of
zinc surface
treated
---------------------------
Chromium.................................... 0.133 0.054
Copper...................................... 0.459 0.219
Cyanide..................................... 0.072 0.029
Zinc........................................ 0.365 0.151
Oil and grease.............................. 3.58 3.58
TSS......................................... 5.37 4.30
pH.......................................... (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.
(j) Alkaline cleaning spent baths.
Subpart H_NSPS
------------------------------------------------------------------------
Maximum for (continued)