40 C.F.R. § 421.214

Standards of performance for new sources.

Last amended: 2016Year: 2026Length: 437 wordsOfficial source

Cite as 40 C.F.R. § 421.214 (2026)

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 Arsenic 0.644 0.287 Lead 0.130 0.060 Nickel 0.255 0.171 Selenium 0.380 0.171 Molybdenum [Reserved] [Reserved]. Ammonia (as N) 61.720 27.130 Fluoride 16.210 9.214 Total suspended solids 6.945 5.556 pH ( 1 ) ( 1 ) 1 Within the range of 7.5 to 10.0 at all times. (b) Roaster SO 2 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 Arsenic 2.334 1.041 Lead 0.470 0.218 Nickel 0.924 0.621 Selenium 1.377 0.621 Molybdenum [Reserved] [Reserved]. Ammonia (as N) 223.800 98.390 Fluoride 58.770 33.410 Total suspended solids 25.190 20.150 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 Arsenic 16.100 7.182 Lead 3.244 1.506 Nickel 6.371 4.286 Selenium 9.499 4.286 Molybdenum [Reserved] [Reserved]. Ammonia (as N) 1,544.000 678.800 Fluoride 405.400 230.500 Total suspended solids 173.800 139.000 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 Arsenic 3.183 1.420 Lead 0.641 0.298 Nickel 1.260 0.847 Selenium 1.878 0.847 Molybdenum [Reserved] [Reserved]. Ammonia (as N) 305.300 134.200 Fluoride 80.150 45.570 Total suspended solids 34.350 27.480 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 Arsenic 0.995 0.444 Lead 0.201 0.093 Nickel 0.394 0.265 Selenium 0.587 0.265 Molybdenum [Reserved] [Reserved]. Ammonia (as N) 95.440 41.960 Fluoride 25.060 14.250 Total suspended solids 10.740 8.592 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]
40 C.F.R. § 421.214: Standards of performance for new sources. | Justis AI