Standards of performance for new sources.

Any new source subject to this subpart shall achieve the following new source performance standards: (a) Sand drying wet air pollution control. NSPS for the Primary Zirconium and Hafnium Subcategory Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of zirconium dioxide and hafnium dioxide produced Chromium (total) 0.210 0.085 Cyanide (total) 0.114 0.045 Lead 0.159 0.074 Nickel 0.312 0.210 Ammonia (as N) 75.710 33.280 Total suspended solids 8.520 6.816 pH ( 1 ) ( 1 ) 1 Within the range of 7.5 to 10.0 at all times. (b) Sand chlorination off-gas wet air pollution control. NSPS for the Primary Zirconium and Hafnium Subcategory Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of zirconium dioxide and hafnium dioxide produced Chromium (total) 16.080 6.521 Cyanide (total) 8.694 3.478 Lead 12.170 5.651 Nickel 23.910 16.080 Ammonia (as N) 5,795.000 2,547.000 Total suspended solids 652.100 521.000 pH ( 1 ) ( 1 ) 1 Within the range of 7.5 to 10.0 at all times. (c) Sand chlorination area-vent wet air pollution control. NSPS for the Primary Zirconium and Hafnium Subcategory Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of zirconium dioxide and hafnium dioxide produced Chromium (total) 3.154 1.279 Cyanide (total) 1.705 0.682 Lead 2.387 1.108 Nickel 4.688 3.154 Ammonia (as N) 1,136.000 499.500 Total suspended solids 127.900 102.300 pH ( 1 ) ( 1 ) 1 Within the range of 7.5 to 10.0 at all times. (d) SiC 14 purification wet air pollution control. NSPS for the Primary Zirconium and Hafnium Subcategory Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of zirconium dioxide and hafnium dioxide produced Chromium (total) 2.774 1.125 Cyanide (total) 1.500 0.600 Lead 2.099 0.975 Nickel 4.124 2.774 Ammonia (as N) 999.500 439.400 Total suspended solids 112.500 89.980 pH ( 1 ) ( 1 ) 1 Within the range of 7.5 to 10.0 at all times. (e) Feed makeup wet air pollution control. NSPS for the Primary Zirconium and Hafnium Subcategory Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of zirconium dioxide and hafnium dioxide produced Chromium (total) 2.103 0.852 Cyanide (total) 1.137 0.455 Lead 1.591 0.739 Nickel 3.126 2.103 Ammonia (as N) 757.500 333.000 Total suspended solids 85.250 68.200 pH ( 1 ) ( 1 ) 1 Within the range of 7.5 to 10.0 at all times. (f) Iron extraction (MIBK) steam stripper bottoms. NSPS for the Primary Zirconium and Hafnium Subcategory Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of zirconium dioxide and hafnium dioxide produced Chromium (total) 0.830 0.337 Cyanide (total) 0.449 0.180 Lead 0.628 0.292 Nickel 1.234 0.830 Ammonia (as N) 299.100 131.500 Total suspended solids 33.660 26.930 pH ( 1 ) ( 1 ) 1 Within the range of 7.5 to 10.0 at all times. (g) Zirconium filtrate. NSPS for the Primary Zirconium and Hafnium Subcategory Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of zirconium dioxide and hafnium dioxide produced Chromium (total) 14.350 5.819 Cyanide (total) 7.758 3.103 Lead 10.860 5.043 Nickel 21.330 14.350 Ammonia (as N) 5,171.000 2,273.000 Total suspended solids 581.900 465.500 pH ( 1 ) ( 1 ) 1 Within the range of 7.5 to 10.0 at all times. (h) Hafnium filtrate. NSPS for the Primary Zirconium and Hafnium Subcategory Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of zirconium dioxide and hafnium dioxide produced Chromium (total) 0.000 0.000 Cyanide (total) 0.000 0.000 Lead 0.000 0.000 Nickel 0.000 0.000 Ammonia (as N) 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. (i) Calcining caustic wet air pollution control. NSPS for the Primary Zirconium and Hafnium Subcategory Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of zirconium dioxide and hafnium dioxide produced Chromium (total) 3.329 1.350 Cyanide (total) 1.799 0.720 Lead 2.519 1.170 Nickel 4.948 3.329 Ammonia (as N) 1,199.000 527.200 Total suspended solids 135.000 108.000 pH ( 1 ) ( 1 ) 1 Within the range of 7.5 to 10.0 at all times. (j) Pure chlorination wet air pollution control. NSPS for the Primary Zirconium and Hafnium Subcategory Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of zirconium and hafnium produced Chromium (total) 14.180 5.748 Cyanide (total) 7.663 3.065 Lead 10.730 4.981 Nickel 21.070 14.180 Ammonia (as N) 5,108.000 2,245.000 Total suspended solids 574.800 459.800 pH ( 1 ) ( 1 ) 1 Within the range of 7.5 to 10.0 at all times. (k) Reduction area-vent wet air pollution control. NSPS for the Primary Zirconium and Hafnium Subcategory Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of zirconium and hafnium produced Chromium (total) 1.364 0.553 Cyanide (total) 0.737 0.295 Lead 1.032 0.479 Nickel 2.027 1.364 Ammonia (as N) 491.300 216.000 Total suspended solids 55.290 44.230 pH ( 1 ) ( 1 ) 1 Within the range of 7.5 to 10.0 at all times. (l) Magnesium recovery off-gas wet air pollution control. NSPS for the Primary Zirconium and Hafnium Subcategory Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of zirconium and hafnium produced Chromium (total) 7.671 3.110 Cyanide (total) 4.147 1.659 Lead 5.805 2.695 Nickel 11.400 7.671 Ammonia (as N) 2,764.000 1,215.000 Total suspended solids 404.300 248.800 pH ( 1 ) ( 1 ) 1 Within the range of 7.5 to 10.0 at all times. (m) Magnesium recovery area-vent wet air pollution control. NSPS Limitations for the Primary Zirconium and Hafnium Subcategory Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of zirconium and hafnium produced Chromium (total) 4.262 1.728 Cyanide (total) 2.304 0.921 Lead 3.225 1.497 Nickel 6.335 4.262 Ammonia (as N) 1,535.000 675.000 Total suspended solids 172.800 138.200 pH ( 1 ) ( 1 ) 1 Within the range of 7.5 to 10.0 at all times. (n) Zirconium chip crushing west air pollution control. NSPS for the Primary Zirconium and Hafnium Subcategory Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of zirconium and hafnium produced Chromium (total) 0.000 0.000 Cyanide (total) 0.000 0.000 Lead 0.000 0.000 Nickel 0.000 0.000 Ammonia (as N) 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. (o) Acid leachate from zirconium metal production. NSPS for the Primary Zirconium and Hafnium Subcategory Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of pure zirconium produced Chromium (total) 10.900 4.420 Cyanide (total) 5.893 2.357 Lead 8.250 3.831 Nickel 16.210 10.900 Ammonia (as N) 3,928.000 1,674.000 Total suspended solids 442.000 353.600 pH ( 1 ) ( 1 ) 1 Within the range of 7.5 to 10.0 at all times. (p) Acid leachate from zirconium alloy production. NSPS for the Primary Zirconium and Hafnium Subcategory Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of zirconium contained in alloys produced Chromium (total) 5.835 2.366 Cyanide (total) 3.154 1.262 Lead 4.416 2.050 Nickel 8.674 5.835 Ammonia (as N) 2,102.000 895.800 Total suspended solids 236.600 189.300 pH ( 1 ) ( 1 ) 1 Within the range of 7.5 to 10.0 at all times. (q) Leaching rinse water from zirconium metal production. NSPS Limitations for the Primary Zirconium and Hafnium Subcategory Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of pure zirconium produced Chromium (total) 21.810 8.840 Cyanide (total) 11.790 4.715 Lead 16.500 7.661 Nickel 32.410 21.810 Ammonia (as N) 7,856.000 3,453.000 Total suspended solids 884.000 707.200 pH ( 1 ) ( 1 ) 1 Within the range of 7.5 to 10.0 at all times. (r) Leaching rinse water from zirconium alloy production. NSPS for the Primary Zirconium and Hafnium Subcategory Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of zirconium contained in alloys produced Chromium (total) 0.292 0.118 Cyanide (total) 0.158 0.063 Lead 0.221 0.103 Nickel 0.434 0.292 Ammonia (as N) 105.200 46.240 Total suspended solids 11.840 9.468 pH ( 1 ) ( 1 ) 1 Within the range of 7.5 to 10.0 at all times.