View all text of Subpart A [§ 468.10 - § 468.16]

§ 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 Chromium0.0450.018 Copper0.1950.103 Lead0.0150.013 Nickel0.1970.130 Zinc0.1500.062

(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 Chromium0.1660.068 Copper0.7200.379 Lead0.0560.049 Nickel0.7270.481 Zinc0.5530.231

(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 Chromium0.0370.015 Copper0.1610.085 Lead0.0120.011 Nickel0.1630.107 Zinc0.1240.051

(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 Chromium0.2840.116 Copper1.2270.646 Lead0.0960.083 Nickel1.2400.820 Zinc0.9430.394

(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 Chromium0.000880.00036 Copper0.0030.0020 Lead0.00030.00026 Nickel0.0030.002 Zinc0.0020.001

(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 Chromium0.5450.223 Copper2.3561.240 Lead0.1860.161 Nickel2.3801.574 Zinc1.8100.756

(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 Chromium00 Copper00 Lead00 Nickel00 Zinc00

(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 Chromium1.8540.758 Copper8.0064.214 Lead0.6320.547 Nickel8.0905.351 Zinc6.1522.570

(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 Chromium5.5622.275 Copper24.01912.642 Lead1.8961.643 Nickel24.27216.055 Zinc18.4577.711

(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 Chromium0.0200.0084 Copper0.0880.046 Lead0.00700.0060 Nickel0.0890.059 Zinc0.0680.028

(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 Chromium0.5740.235 Copper2.4811.306 Lead0.1950.169 Nickel2.5071.658 Zinc1.9060.796

(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 Chromium1.7230.705 Copper7.4443.918 Lead0.5870.509 Nickel7.5224.975 Zinc5.7202.389

(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 Chromium0.0510.020 Copper0.2200.116 Lead0.0170.015 Nickel0.2220.147 Zinc0.1690.070

(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 Chromium0.2750.112 Copper1.1890.626 Lead0.0930.081 Nickel1.2010.795 Zinc0.9130.381

(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 Chromium0.2560.104 Copper1.1070.583 Lead0.0870.075 Nickel1.1190.740 Zinc0.8510.355

(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 Chromium0.3260.133 Copper1.4110.743 Lead0.1110.096 Nickel1.4260.943 Zinc1.0840.453

(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 Chromium0.0090.003 Copper0.0410.021 Lead0.0030.002 Nickel0.0410.027 Zinc0.0310.013