40 CFR 468.12 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.

§ 468.12 Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart must achieve the following effluent reduction attainable by the application of the best available technology economically achievable (BAT):
(a) Subpart A—Hot Rolling Spent Lubricant BAT Effluent Limitations.
Pollutant or pollutant property Maximum for any 1 day Maximum for 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 0.018
Copper 0.195 0.103
Lead 0.015 0.013
Nickel 0.197 0.130
Zinc 0.150 0.062
(b) Subpart A—Cold Rolling Spent Lubricant BAT Effluent Limitations.
Pollutant or pollutant property Maximum for any 1 day Maximum for 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 0.068
Copper 0.720 0.379
Lead 0.056 0.049
Nickel 0.727 0.481
Zinc 0.553 0.231
(c) Subpart A—Drawing Spent Lubricant BAT Effluent Limitations.
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly 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 0.015
Copper 0.161 0.085
Lead 0.012 0.011
Nickel 0.163 0.107
Zinc 0.124 0.051
(d) Subpart A—Solution Heat Treatment BAT Effluent Limitations.
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly 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 0.284 0.116
Copper 1.227 0.646
Lead 0.096 0.083
Nickel 1.240 0.820
Zinc 0.943 0.394
(e) Subpart A—Extrusion Heat Treatment BAT Effluent Limitations.
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly 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 0.00036
Copper 0.003 0.0020
Lead 0.0003 0.00026
Nickel 0.003 0.002
Zinc 0.002 0.001
(f) Subpart A—Annealing with Water BAT Effluent Limitations.
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
Metric Units—mg/off-kg of copper or copper alloy annealed with water
English Units—pounds per/1,000,000 off-pounds of copper or copper alloy annealed with water
Chromium 0.545 0.223
Copper 2.356 1.240
Lead 0.186 0.161
Nickel 2.380 1.574
Zinc 1.810 0.756
(g) Subpart A—Annealing with Oil BAT Effluent Limitations.
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly 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 0
Copper 0 0
Lead 0 0
Nickel 0 0
Zinc 0 0
(h) Subpart A—Alkaline Cleaning Rinse BAT Effluent Limitations.
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly 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 0.758
Copper 8.006 4.214
Lead 0.632 0.547
Nickel 8.090 5.351
Zinc 6.152 2.570
(i) Subpart A—Alkaline Cleaning Rinse for Forged Parts BAT Effluent Limitations.
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly 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 2.275
Copper 24.019 12.642
Lead 1.896 1.643
Nickel 24.272 16.055
Zinc 18.457 7.711
(j) Subpart A—Alkaline Cleaning Bath BAT Effluent Limitations.
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly 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 0.020 0.0084
Copper 0.088 0.046
Lead 0.0070 0.0060
Nickel 0.089 0.059
Zinc 0.068 0.028
(k) Subpart A—Pickling Rinse BAT Effluent Limitations.
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly 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 0.574 0.235
Copper 2.481 1.306
Lead 0.195 0.169
Nickel 2.507 1.658
Zinc 1.906 0.796
(l) Subpart A—Pickling Rinse for Forged Parts BAT Effluent Limitations.
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly 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
Chromium 1.723 0.705
Copper 7.444 3.918
Lead 0.587 0.509
Nickel 7.522 4.975
Zinc 5.720 2.389
(m) Subpart A—Pickling Bath BAT Effluent Limitations.
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly 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 0.051 0.020
Copper 0.220 0.116
Lead 0.017 0.015
Nickel 0.222 0.147
Zinc 0.169 0.070
(n) Subpart A—Pickling Fume Scrubber BAT Effluent Limitations.
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly 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 0.112
Copper 1.189 0.626
Lead 0.093 0.081
Nickel 1.201 0.795
Zinc 0.913 0.381
(o) Subpart A—Tumbling or Burnishing BAT Effluent Limitations.
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
Metric units—mg/off-kg of copper or copper alloy tumbled or burnished
English units—pound per 1,000,000 off-pounds of copper or copper alloy tumbled or burnished
Chromium 0.256 0.104
Copper 1.107 0.583
Lead 0.087 0.075
Nickel 1.119 0.740
Zinc 0.851 0.355
(p) Subpart A—Surface Coating BAT Effluent Limitations.
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
Metric units—mg/off-kg of copper or copper alloy surface coated
English units—pound per 1,000,000 off-pounds of copper or copper alloy surface coated
Chromium 0.326 0.133
Copper 1.411 0.743
Lead 0.111 0.096
Nickel 1.426 0.943
Zinc 1.084 0.453
(q) Subpart A—Miscellaneous Waste Streams BAT Effluent Limitations.
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly 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 0.003
Copper 0.041 0.021
Lead 0.003 0.002
Nickel 0.041 0.027
Zinc 0.031 0.013

Title 40 published on 2014-07-01

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