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)
|
(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)
|
(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)
|
(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)
|
(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)
|
(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)
|
(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)
|
(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)
|
(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)
|
(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)
|
(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)
|
(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)
|
(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)
|
(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)
|
(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)
|
(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)
|
(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)
|
(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)
|
authority: Secs. 301, 304 (b), (c), (e), and (g), 306 (b) and (c), 307 (b) and (c), 308 and 501 of the Clean Water Act (the Federal Water Pollution Control Act Amendments of 1972, as amended by the Clean Water Act of 1977) and the Water Quality Act of 1987 (the “Act”);
33 U.S.C. 1311,
1314,
c,
e,
and, 1316 (b) and
c, 1317 (b) and
c,
1318; 86 Stat. 816, Pub. L. 92-500; 91 Stat. 1567, Pub. L. 95-217; 101 Stat. 7, Pub. L. 100-4
source: 49 FR 8790, Mar. 8, 1984, unless otherwise noted.
cite as: 40 CFR 421.334