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Current as of October 02, 2022 | Updated by FindLaw Staff
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) SiC14 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.
Cite this article: FindLaw.com - Code of Federal Regulations Title 40. Protection of Environment § 40.421.334 Standards of performance for new sources - last updated October 02, 2022 | https://codes.findlaw.com/cfr/title-40-protection-of-environment/cfr-sect-40-421-334/
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