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

421.204 - Standards of performance for new sources.

Any new source subject to this subpart shall achieve the following new source performance standards: (a) Spent battery electrolyte.

NSPS for the Secondary Mercury Subcategory ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/kg (pounds per million pounds) of mercury produced from batteries --------------------------- Lead........................................ 0.030 0.014 Mercury..................................... 0.016 0.006 Total suspended solids...................... 1.590 1.272 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.5 to 10.0 at all times.

  (b) Acid wash and rinse water.

NSPS for the Secondary Mercury Subcategory ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/kg (pounds per million pounds) of mercury washed and rinsed ------------------------- Lead.......................................... 0.00056 0.00026 Mercury....................................... 0.00030 0.00012 Total suspended solids........................ 0.03000 0.02400 pH............................................ (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.5 to 10.0 at all times.

  (c) Furnace wet air pollution control.

NSPS for the Secondary Mercury Subcategory ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/kg (pounds per million pounds) of mercury processed through furnace ------------------------- Lead.......................................... 0.000 0.000 Mercury....................................... 0.000 0.000 Total suspended solids........................ 0.000 0.000 pH............................................ (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.5 to 10.0 at all times.