Code of Federal Regulations (alpha)

CFR /  Title 40  /  Part 421  /  Sec. 421.214 Standards of performance for new sources.

Any new source subject to this subpart shall achieve the following new source performance standards:

(a) Molybdenum sulfide leachate.

NSPS for the Primary Molybdenum and Rhenium Subcategory------------------------------------------------------------------------

Maximum for

Pollutant or pollutant property Maximum for monthly

any 1 day average------------------------------------------------------------------------

mg/kg (pounds per

million pounds) of

molybdenum sulfide

leached

--------------Arsenic....................................... 0.644 0.287Lead.......................................... 0.130 0.060Nickel........................................ 0.255 0.171Selenium...................................... 0.380 0.171Molybdenum.................................... [Reserved] [Reserved].Ammonia (as N)................................ 61.720 27.130Fluoride...................................... 16.210 9.214Total suspended solids........................ 6.945 5.556pH............................................ (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 7.5 to 10.0 at all times.

(b) Roaster SO2 scrubber.

NSPS for the Primary Molybdenum and Rhenium Subcategory------------------------------------------------------------------------

Maximum for

Pollutant or pollutant property Maximum for monthly

any 1 day average------------------------------------------------------------------------

mg/kg (pounds per

million pounds) of

molybdenum sulfide

roasted

--------------Arsenic....................................... 2.334 1.041Lead.......................................... 0.470 0.218Nickel........................................ 0.924 0.621Selenium...................................... 1.377 0.621Molybdenum.................................... [Reserved] [Reserved].Ammonia (as N)................................ 223.800 98.390Fluoride...................................... 58.770 33.410Total suspended solids........................ 25.190 20.150pH............................................ (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 7.5 to 10.0 at all times.

(c) Molybdic oxide leachate.

NSPS for the Primary Molybdenum and Rhenium Subcategory------------------------------------------------------------------------

Maximum for

Pollutant or pollutant property Maximum for monthly

any 1 day average------------------------------------------------------------------------

mg/kg (pounds per

million pounds) of

molybdenum contained in

molybdic oxide leached

--------------Arsenic....................................... 16.100 7.182Lead.......................................... 3.244 1.506Nickel........................................ 6.371 4.286Selenium...................................... 9.499 4.286Molybdenum.................................... [Reserved] [Reserved].Ammonia (as N)................................ 1,544.000 678.800Fluoride...................................... 405.400 230.500Total suspended solids........................ 173.800 139.000pH............................................ (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 7.5 to 10.0 at all times.

(d) Hydrogen reduction furnace scrubber.

NSPS for the Primary Molybdenum and Rhenium Subcategory------------------------------------------------------------------------

Maximum for

Pollutant or pollutant property Maximum for monthly

any 1 day average------------------------------------------------------------------------

mg/kg (pounds per

million pounds) of

molybdenum metal powder

produced

--------------Arsenic....................................... 3.183 1.420Lead.......................................... 0.641 0.298Nickel........................................ 1.260 0.847Selenium...................................... 1.878 0.847Molybdenum.................................... [Reserved] [Reserved].Ammonia (as N)................................ 305.300 134.200Fluoride...................................... 80.150 45.570Total suspended solids........................ 34.350 27.480pH............................................ (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 7.5 to 10.0 at all times.

(e) Depleted rhenium scrubbing solution.

NSPS for the Primary Molybdenum and Rhenium Subcategory------------------------------------------------------------------------

Maximum for

Pollutant or pollutant property Maximum for monthly

any 1 day average------------------------------------------------------------------------

mg/kg (pounds per

million pounds) of

molybdenum sulfide

roasted

--------------Arsenic....................................... 0.995 0.444Lead.......................................... 0.201 0.093Nickel........................................ 0.394 0.265Selenium...................................... 0.587 0.265Molybdenum.................................... [Reserved] [Reserved].Ammonia (as N)................................ 95.440 41.960Fluoride...................................... 25.060 14.250Total suspended solids........................ 10.740 8.592pH............................................ (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 7.5 to 10.0 at all times. [50 FR 38355, Sept. 20, 1985, as amended at 55 FR 31702, Aug. 3, 1990] Sec. 421.215 [Reserved]