40 C.F.R. § 421.136
Pretreatment standards for new sources.
Cite as 40 C.F.R. § 421.136 (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 standards for new sources. The mass of wastewater pollutants in secondary lead process wastewater introduced into a POTW shall not exceed the following values: (a) Subpart M—Battery Cracking. PSNS Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of lead scrap produced Antimony 1.299 .579 Arsenic .936 .384 Lead .189 .087 Zinc .687 .283 Ammonia (as N) .000 .000 (b) Subpart M—Blast, Reverberatory, or Rotary Furnace Wet Air Pollution Control. PSNS Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of lead produced from smelting Antimony 5.038 2.245 Arsenic 3.628 1.488 Lead .731 .339 Zinc 2.662 1.096 Ammonia (as N) .000 .000 (c) Subpart M—Kettle Wet Air Pollution Control. PSNS Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of lead produced from refining Antimony .000 .000 Arsenic .000 .000 Lead .000 .000 Zinc .000 .000 Ammonia (as N) .000 .000 (d) Subpart M—Lead Paste Desulfurization. PSNS Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of lead processed through desulfurization Antimony .000 .000 Arsenic .000 .000 Lead .000 .000 Zinc .000 .000 Ammonia (as N) .000 .000 (e) Subpart M—Casting Contact Cooling. PSNS Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of lead cast Antimony .042 .019 Arsenic .031 .013 Lead .006 .003 Zinc .022 .009 Ammonia (as N) .000 .000 (f) Subpart M—Truck Wash. PSNS Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of lead produced from smelting Antimony .041 .018 Arsenic .029 .012 Lead .006 .003 Zinc .021 .009 Ammonia (as N) .000 .000 (g) Subpart M—Facility Washdown. PSNS Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of lead produced from smelting Antimony .000 .000 Arsenic .000 .000 Lead .000 .000 Zinc .000 .000 Ammonia (as N) .000 .000 (h) Subpart M—Battery Case Classification. PSNS Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of lead scrap produced Antimony .000 .000 Arsenic .000 .000 Lead .000 .000 Zinc .000 .000 Ammonia (as N) .000 .000 (i) Subpart M—Employee Handwash. PSNS Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of lead produced from smelting Antimony .052 .023 Arsenic .038 .015 Lead .008 .004 Zinc .028 .011 Ammonia (as N) .000 .000 (j) Subpart M—Employee Respirator Wash. PSNS Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of lead produced from smelting Antimony .085 .038 Arsenic .061 .025 Lead .012 .006 Zinc .045 .018 Ammonia (as N) .000 .000 (k) Subpart M—Laundering of Uniforms. PSNS Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of lead produced from smelting Antimony .247 .110 Arsenic .178 .073 Lead .036 .017 Zinc .131 .054 Ammonia (as N) .000 .000
- Cross-references to the CFR
- 40:403.7