Collapse to view only § 421.204 - Standards of performance for new sources.

§ 421.200 - Applicability: Description of the secondary mercury subcategory.

The provision of this subpart are applicable to discharges resulting from the production of mercury from secondary mercury facilities processing recycled mercuric oxide batteries and other mercury containing scrap raw materials.

§ 421.201 - Specialized definitions.

For the purpose of this subpart the general definitions, abbreviations, and methods of analysis set forth in 40 CFR part 401 shall apply to this subpart.

§§ 421.202-421.203 - §[Reserved]

§ 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

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of mercury produced from batteries Lead0.0300.014 Mercury0.0160.006 Total suspended solids1.5901.272 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

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of mercury washed and rinsed Lead0.000560.00026 Mercury0.000300.00012 Total suspended solids0.030000.02400 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

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of mercury processed through furnace Lead0.0000.000 Mercury0.0000.000 Total suspended solids0.0000.000 pH( 1)( 1)

1 Within the range of 7.5 to 10.0 at all times.

§ 421.205 - [Reserved]

§ 421.206 - Pretreatment standards for new sources.

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 Lead0.0300.014 Mercury0.0160.006

(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 Lead0.000560.00026 Mercury0.000300.00012

(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 Lead0.0000.000 Mercury0.0000.000

§ 421.207 - [Reserved]