40 C.F.R. § 468.15
Pretreatment standards for new sources (PSNS).
Cite as 40 C.F.R. § 468.15 (2026)
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 sources for new sources: (a) Subpart A—Hot Rolling Spent Lubricant PSNS. Pollutant or pollutant property Maximum for any one 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 0.038 0.015 Copper 0.131 0.062 Lead 0.010 0.0092 Nickel 0.056 0.038 Zinc 0.105 0.043 TTO 0.035 0.035 Oil and grease 1 1.030 1.030 1 For alternate monitoring. (b) Subpart A—Cold Rolling Spent Lubricant PSNS. Pollutant or pollutant property Maximum for any one 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 0.140 0.056 Copper 0.485 0.231 Lead 0.037 0.034 Nickel 0.208 0.140 Zinc 0.386 0.159 TTO 0.128 0.128 Oil and grease 1 3.790 3.790 1 For alternate monitoring. (c) Subpart A—Drawing Spent Lubricant PSNS. 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 0.031 0.012 Copper 0.108 0.051 Lead 0.0085 0.0076 Nickel 0.046 0.031 Zinc 0.086 0.035 TTO 0.028 0.028 Oil and grease 1 0.850 0.850 1 For alternate monitoring. (d) Subpart A—Solution Heat Treatment PSNS. 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 0.239 0.096 Copper 0.826 0.394 Lead 0.064 0.058 Nickel 0.355 0.239 Zinc 0.658 0.271 TTO 0.219 0.219 Oil and grease 1 6.460 6.460 1 For alternate monitoring. (e) Subpart A—Extrusion Heat Treatment PSNS. 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 0.00074 0.00030 Copper 0.0020 0.0010 Lead 0.00020 0.00018 Nickel 0.0010 0.00074 Zinc 0.0020 0.00084 TTO 0.00068 0.00068 Oil and grease 1 0.020 0.020 1 For alternate monitoring. (f) Subpart A—Annealing with Water PSNS. 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 0.458 0.186 Copper 1.587 0.756 Lead 0.124 0.111 Nickel 0.682 0.458 Zinc 1.264 0.520 TTO 0.421 0.421 Oil and grease 1 12.400 12.400 1 For alternate monitoring. (g) Subpart A—Annealing With Oil PSNS. 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 TTO 0 0 Oil and grease 1 0 0 1 For alternate monitoring. (h) Subpart A—Alkaline Cleaning Rinse PSNS. 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 1.559 0.632 Copper 5.393 2.570 Lead 0.421 0.379 Nickel 2.317 1.559 Zinc 4.298 1.769 TTO 1.432 1.432 Oil and grease 1 42.140 42.140 1 For alternate monitoring. (i) Subpart A—Alkaline Cleaning Rinse for Forged Parts PSNS. 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 4.677 1.896 Copper 16.181 7.711 Lead 1.264 1.137 Nickel 6.953 4.677 Zinc 12.894 5.309 TTO 4.298 4.298 Oil and grease 1 126.420 126.420 1 For alternate monitoring. (j) Subpart A—Alkaline Cleaning Bath PSNS. 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 0.017 0.0070 Copper 0.059 0.028 Lead 0.0046 0.0042 Nickel 0.025 0.017 Zinc 0.047 0.019 TTO 0.015 0.015 Oil and grease 1 0.46 0.46 1 For alternate monitoring. (k) Subpart A—Pickling Rinse PSNS. 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 0.216 0.087 Copper 0.748 0.356 Lead 0.058 0.052 Nickel 0.321 0.216 Zinc 0.596 0.245 TTO 0.198 0.198 Oil and grease 1 5.850 5.850 1 For alternate monitoring. (l) Subpart A—Pickling Rinse for Forged Parts PSNS. 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 0.649 0.263 Copper 2.246 1.070 Lead 0.175 0.157 Nickel 0.965 0.649 Zinc 1.790 0.737 TTO 0.596 0.596 Oil and grease 1 17.550 17.550 1 For alternate monitoring. (m) Subpart A—Pickling Bath PSNS. 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 0.042 0.017 Copper 0.148 0.070 Lead 0.011 0.010 Nickel 0.063 0.042 Zinc 0.118 0.048 TTO 0.039 0.039 Oil and grease 1 1.160 1.160 1 For alternate monitoring. (n) Subpart A—Pickling Fume Scrubber PSNS. 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 0.231 0.093 Copper 0.801 0.381 Lead 0.062 0.056 Nickel 0.344 0.231 Zinc 0.638 0.262 TTO 0.212 0.212 Oil and grease 1 6.260 6.260 1 For alternate monitoring. (o) Subpart A—Tumbling or Burnishing PSNS. 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—pounds per 1,000,000 off-pounds of copper or copper alloy tumbled or burnished Chromium 0.215 0.087 Copper 0.746 0.355 Lead 0.058 0.052 Nickel 0.320 0.215 Zinc 0.594 0.244 TTO 0.198 0.198 Oil and grease 1 5.830 5.830 1 For alternate monitoring. (p) Subpart A—Surface Coating PSNS. 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—pounds per 1,000,000 off-pounds of copper or copper alloy surface coated Chromium 0.274 0.111 Copper 0.951 0.453 Lead 0.074 0.066 Nickel 0.408 0.274 Zinc 0.757 0.312 TTO 0.252 0.252 Oil and grease 1 7.430 7.430 1 For alternate monitoring. (q) Subpart A—Miscellaneous Waste Streams PSNS. 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 0.008 0.003 Copper 0.027 0.013 Lead 0.0021 0.0019 Nickel 0.011 0.008 Zinc 0.022 0.009 TTO 0.007 0.007 Oil and grease 1 0.218 0.218 1 For alternate monitoring. [48 FR 36957, Aug. 15, 1983; 48 FR 50719, Nov. 3, 1983]
- Cross-references to the CFR
- 40:403.7