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 practicable control technology currently available:
(a) Subpart A--Hot Rolling Spent Lubricant BPT Effluent Limitations. ------------------------------------------------------------------------
Maximum for any 1 Maximum for
Pollutant or pollutant property day monthly average------------------------------------------------------------------------
Metric units--mg/off-kg of copper or
copper alloy hot rolled
English units--pounds per 1,000,000
off-pounds of copper or copper alloy
hot rolled
-------------------------------------Chromium.......................... 0.045 0.018Copper............................ 0.195 0.103Lead.............................. 0.015 0.013Nickel............................ 0.197 0.130Zinc.............................. 0.150 0.062Oil and grease.................... 2.060 1.236TSS............................... 4.223 2.008pH................................ (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 7.5 to 10.0 at all times.
(b) Subpart A--Cold Rolling Spent Lubricant BPT Effluent Limitations. ------------------------------------------------------------------------
Maximum for any 1 Maximum for
Pollutant or pollutant property day monthly average------------------------------------------------------------------------
Metric units--mg/off-kg of copper or
copper alloy cold rolled
English units--pounds per 1,000,000
off-pounds of copper or copper alloy
cold rolled
-------------------------------------Chromium.......................... 0.166 0.068Copper............................ 0.720 0.379Lead.............................. 0.056 0.049Nickel............................ 0.727 0.481Zinc.............................. 0.553 0.231Oil and grease.................... 7.580 4.548TSS............................... 15.539 7.390pH................................ (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 7.5 to 10.0 at all times.
(c) Subpart A--Drawing Spent Lubricant BPT Effluent Limitations. ------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
Metric units--mg/off-kg
of copper or copper
alloy drawn
English units--pounds
per 1,000,000 off-pounds
of copper or copper
alloy drawn
-------------------------Chromium...................................... 0.037 0.015Copper........................................ 0.161 0.085Lead.......................................... 0.012 0.011Nickel........................................ 0.163 0.107Zinc.......................................... 0.124 0.051Oil and grease................................ 1.700 1.020TSS........................................... 3.485 1.657pH............................................ (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 7.5 to 10.0 at all times.
(d) Subpart A--Solution Heat Treatment BPT Effluent Limitations. ------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
Metric units--mg/off-kg
of copper or copper
alloy heat treated
English units--pounds
per 1,000,000 off-pounds
of copper or copper
alloy heat treated
-------------------------Chromium...................................... 1.118 0.457Copper........................................ 4.827 2.541Lead.......................................... 0.381 0.330Nickel........................................ 4.878 3.227Zinc.......................................... 3.709 1.550Oil and grease................................ 50.820 30.492TSS........................................... 104.181 49.549pH............................................ (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 7.5 to 10.0 at all times.
(e) Subpart A--Extrusion Heat Treatment BPT Effluent Limitations. ------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
Metric units--mg/off-kg of
copper or copper alloy
heat treated on an
extrusion press
English units--pounds per
1,000,000 off-pounds of
copper or copper alloy
heat treated on an
extrusion press
---------------------------Chromium.................................... 0.00088 0.00036Copper...................................... 0.003 0.002Lead........................................ 0.0003 0.00026Nickel...................................... 0.003 0.002Zinc........................................ 0.002 0.001Oil and grease.............................. 0.040 0.024TSS......................................... 0.082 0.039pH.......................................... (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 7.5 to 10.0 at all times.
(f) Subpart A--Annealing With Water BPT Effluent Limitations. ------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
Metric units--mg/off-kg
of copper or copper
annealed with water
English units--pounds
per 1,000,000 off-pounds
of copper or copper
alloy annealed with
water
-------------------------Chromium...................................... 2.493 1.020Copper........................................ 10.767 5.667Lead.......................................... 0.850 0.736Nickel........................................ 10.880 7.197Zinc.......................................... 8.273 3.456Oil and grease................................ 113.340 68.004TSS........................................... 232.347 110.506pH............................................ (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 7.5 to 10.0 at all times.
(g) Subpart A--Annealing With Oil BPT Effluent Limitations. ------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
Metric units--mg/off-kg
of copper or copper
alloy annealed with oil
English units--pounds
per 1,000,000 off-pounds
of copper or copper
alloy annealed with oil
-------------------------Chromium...................................... 0 0Copper........................................ 0 0Lead.......................................... 0 0Nickel........................................ 0 0Zinc.......................................... 0 0Oil and grease................................ 0 0TSS........................................... 0 0pH............................................ (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 7.5 to 10.0 at all times.
(h) Subpart A--Alkaline Cleaning Rinse BPT Effluent Limitations. ------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
Metric units--mg/off-kg
of copper or copper
alloy alkaline cleaned
English units--pounds
per 1,000,000 off-pounds
of copper or copper
alloy alkaline cleaned
-------------------------Chromium...................................... 1.854 0.758Copper........................................ 8.006 4.214Lead.......................................... 0.632 0.547Nickel........................................ 8.090 5.351Zinc.......................................... 6.152 2.570Oil and grease................................ 84.280 50.568TSS........................................... 172.774 82.173pH............................................ (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 7.5 to 10.0 at all times.
(i) Subpart A--Alkaline Cleaning Rinse for Forged Parts BPT Effluent Limitations. ------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
Metric units--mg/off-kg
of copper or copper
alloy forged parts
alkaline cleaned
English units--pounds
per 1,000,000 off-pounds
of copper or copper
alloy forged parts
alkaline cleaned
-------------------------Chromium...................................... 5.562 2.275Copper........................................ 24.019 12.642Lead.......................................... 1.896 1.643Nickel........................................ 24.272 16.055Zinc.......................................... 18.457 7.711Oil and grease................................ 252.840 151.704TSS........................................... 518.322 246.519pH............................................ (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 7.5 to 10.0 at all times.
(j) Subpart A--Alkaline Cleaning Bath BPT Effluent Limitations. ------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
Metric units--mg/off-kg
of copper or copper
alloy parts alkaline
cleaned
English units--pounds
per 1,000,000 off-pounds
of copper or copper
alloy forged parts
alkaline cleaned
-------------------------Chromium...................................... 0.020 0.0084Copper........................................ 0.089 0.046Lead.......................................... 0.0070 0.0060Nickel........................................ 0.089 0.059Zinc.......................................... 0.068 0.028Oil and grease................................ 0.93 0.56TSS........................................... 1.91 0.91pH............................................ (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 7.5 to 10.0 at all times.
(k) Subpart A--Pickling Rinse BPT Effluent Limitations. ------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
Metric units--mg/off-kg
of copper or copper
alloy pickled
English units--pounds
per/1,000,000 off-pounds
of copper or copper
alloy pickled
-------------------------Chromium...................................... 1.593 0.651Copper........................................ 6.881 3.622Lead.......................................... 0.543 0.470Nickel........................................ 6.954 4.599Zinc.......................................... 5.288 2.209Oil and grease................................ 72.440 43.464TSS........................................... 148.502 70.629pH............................................ (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 7.5 to 10.0 at all times.
(l) Subpart A--Pickling Rinse for Forged Parts BPT Effluent Limitations. ------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
Metric units--mg/off-kg
of copper or copper
alloy forged parts
pickled
English units--pounds
per/1,000,000 off-pounds
of copper or copper
alloy forged parts
pickled
-------------------------romium........................................ 1.723 0.705Copper........................................ 7.444 3.918Lead.......................................... 0.587 0.509Nickel........................................ 7.522 4.975Zinc.......................................... 5.720 2.389Oil and grease................................ 78.360 47.016TSS........................................... 160.638 76.401pH............................................ (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 7.5 to 10.0 at all times.
(m) Subpart A--Pickling Bath BPT Effluent Limitations. ------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
Metric units--mg/off-kg
of copper or copper
alloy pickled
English units--pounds
per 1,000,000 off-pounds
of copper or copper
alloy pickle
-------------------------Chromium...................................... 0.051 0.020Copper........................................ 0.220 0.116Lead.......................................... 0.017 0.015Nickel........................................ 0.222 0.147Zinc.......................................... 0.169 0.070Oil and grease................................ 2.320 1.392TSS........................................... 4.756 2.262pH............................................ (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 7.5 to 10.0 at all times.
(n) Subpart A--Pickling Fume Scrubber BPT Effluent Limitations. ------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
Metric units--mg/off-kg
of copper or copper
alloy pickled
English units--pounds
per 1,000,000 off-pounds
of copper or copper
alloy pickled
-------------------------Chromium...................................... 0.275 0.112Copper........................................ 1.189 0.626Lead.......................................... 0.093 0.081Nickel........................................ 1.201 0.795Zinc.......................................... 0.913 0.381Oil and grease................................ 12.520 7.512TSS........................................... 25.666 12.207pH............................................ (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 7.5 to 10.0 at all times.
(o) Subpart A--Tumbling or Burnishing BPT Effluent Limitations. ------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
Metric units--mg/off-kg
of copper or copper
alloy tumbled or
burnished
English units--pounds
per 1,000,000 off-pounds
of copper or copper
alloy tumbled or
burnished
-------------------------Chromium...................................... 0.256 0.104Copper........................................ 1.107 0.583Lead.......................................... 0.087 0.075Nickel........................................ 1.119 0.740Zinc.......................................... 0.851 0.355Oil and grease................................ 11.660 6.996TSS........................................... 23.903 11.368pH............................................ (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 7.5 to 10.0 at all times.
(p) Subpart A--Surface Coating BPT Effluent Limitations. ------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
Metric units--mg/off-kg
of copper or copper
alloy surface coated
English units--pounds
per 1,000,000 off-pounds
of copper or copper
alloy surface coated
-------------------------Chromium...................................... 0.326 0.133Copper........................................ 1.411 0.743Lead.......................................... 0.111 0.096Nickel........................................ 1.426 0.943Zinc.......................................... 1.084 0.453Oil and grease................................ 14.680 8.916TSS........................................... 30.463 14.488ph............................................ (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 7.5 to 10.0 at all times.
(q) Subpart A--Miscellaneous Waste Streams BPT Effluent Limitations. ------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
Metric units--mg/off-kg
of copper or copper
alloy formed
English units--pounds
per 1,000,000 off-pounds
of copper or copper
alloy formed
-------------------------Chromium...................................... 0.009 0.003Copper........................................ 0.041 0.021Lead.......................................... 0.003 0.002Nickel........................................ 0.041 0.027Zinc.......................................... 0.031 0.013Oil and grease................................ 0.436 0.261TSS........................................... 0.893 0.425pH............................................ (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 7.5 to 10.0 at all times.