View all text of Subpart S [§ 421.210 - § 421.217]

§ 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

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of molybdenum sulfide leached Arsenic0.6440.287 Lead0.1300.060 Nickel0.2550.171 Selenium0.3800.171 Molybdenum[Reserved][Reserved]. Ammonia (as N)61.72027.130 Fluoride16.2109.214 Total suspended solids6.9455.556 pH( 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

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of molybdenum sulfide roasted Arsenic2.3341.041 Lead0.4700.218 Nickel0.9240.621 Selenium1.3770.621 Molybdenum[Reserved][Reserved]. Ammonia (as N)223.80098.390 Fluoride58.77033.410 Total suspended solids25.19020.150 pH( 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

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of molybdenum contained in molybdic oxide leached Arsenic16.1007.182 Lead3.2441.506 Nickel6.3714.286 Selenium9.4994.286 Molybdenum[Reserved][Reserved]. Ammonia (as N)1,544.000678.800 Fluoride405.400230.500 Total suspended solids173.800139.000 pH( 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

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of molybdenum metal powder produced Arsenic3.1831.420 Lead0.6410.298 Nickel1.2600.847 Selenium1.8780.847 Molybdenum[Reserved][Reserved]. Ammonia (as N)305.300134.200 Fluoride80.15045.570 Total suspended solids34.35027.480 pH( 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

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of molybdenum sulfide roasted Arsenic0.9950.444 Lead0.2010.093 Nickel0.3940.265 Selenium0.5870.265 Molybdenum[Reserved][Reserved]. Ammonia (as N)95.44041.960 Fluoride25.06014.250 Total suspended solids10.7408.592 pH( 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]