40 CFR 444.16: Pretreatment standards for existing sources (PSES).
Where this section sits in the code
- Title 40—Protection of Environment
- CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY
- SUBCHAPTER N—EFFLUENT GUIDELINES AND STANDARDS
- PART 444—WASTE COMBUSTORS POINT SOURCE CATEGORY
- Subpart A—Commercial Hazardous Waste Combustor Subcategory
Except as provided in 40 CFR 403.7 and 403.13, any source that introduces wastewater pollutants into a POTW must comply with part 403 and achieve the following pretreatment standards:
Pretreatment Standards 1
Regulated parameter Maximum daily Maximum monthly avg.
Arsenic 84 72
Cadmium 71 26
Chromium 25 14
Copper 23 14
Lead 57 32
Mercury 2.3 1.3
Silver 13 8
Titanium 60 22
Zinc 82 54
1 Micrograms per liter (ppb)
Collected 2026-08-27T02:26:04Z. Source file · JSON