GroundRules
40 CFR 421.206: Pretreatment standards for new sources.
Where this section sits in the code
- Title 40—Protection of Environment
- CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY
- SUBCHAPTER N—EFFLUENT GUIDELINES AND STANDARDS
- PART 421—NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY
- Subpart R—Secondary Mercury Subcategory
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 mercury process wastewater introduced into a POTW shall not exceed the following values:
(a) Spent battery electrolyte.
PSNS for the Secondary Mercury Subcategory
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
mg/kg (pounds per million pounds) of mercury produced from batteries
Lead 0.030 0.014
Mercury 0.016 0.006
(b) Acid wash and rinse water.
PSNS for the Secondary Mercury Subcategory
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
mg/kg (pounds per million pounds) of mercury washed and rinsed
Lead 0.00056 0.00026
Mercury 0.00030 0.00012
(c) Furnance wet air pollution control.
PSNS for the Secondary Mercury Subcategory
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
mg/kg (pounds per million pounds of mercury processed through furnace
Lead 0.000 0.000
Mercury 0.000 0.000
Collected 2026-08-27T02:26:04Z. Source file · JSON