Learn About The Law
Get help with your legal needs
FindLaw’s Learn About the Law features thousands of informational articles to help you understand your options. And if you’re ready to hire an attorney, find one in your area who can help.
Current as of January 02, 2025 | Updated by Findlaw Staff
Any new source subject to this subpart shall achieve the following new source performance standards:
(a) Tungsten detergent wash and rinse.
|
NSPS FOR THE SECONDARY TUNGSTEN AND COBALT SUBCATEGORY |
||
|---|---|---|
|
Pollutant or pollutant property |
Maximum for any 1 day |
Maximum for monthly average |
|
mg/kg (pounds per million pounds) of tungsten scrap washed |
||
|
Copper |
0.250 |
0.119 |
|
Nickel |
0.107 |
0.072 |
|
Ammonia (as N) |
25.990 |
11.430 |
|
Cobalt |
0.538 |
0.236 |
|
Tungsten |
0.679 |
0.302 |
|
Oil and grease |
1.950 |
1.950 |
|
Total suspended solids |
2.925 |
2.340 |
|
pH |
(1) |
(1) |
1 Within the range of 7.5 to 10.0 at all times.
(b) Tungsten leaching acid.
|
NSPS FOR THE SECONDARY TUNGSTEN AND COBALT SUBCATEGORY |
||
|---|---|---|
|
Pollutant or pollutant property |
Maximum for any 1 day |
Maximum for monthly average |
|
mg/kg (pounds per million pounds) of tungsten produced |
||
|
Copper |
3.291 |
1.569 |
|
Nickel |
1.414 |
0.951 |
|
Ammonia (as N) |
342.700 |
150.700 |
|
Cobalt |
7.096 |
3.111 |
|
Tungsten |
8.947 |
3.985 |
|
Oil and grease |
25.710 |
25.710 |
|
Total suspended solids |
38.570 |
30.850 |
|
pH |
(1) |
(1) |
1 Within the range of 7.5 to 10.0 at all times.
(c) Tungsten post-leaching wash and rinse.
|
NSPS FOR THE SECONDARY TUNGSTEN AND COBALT SUBCATEGORY |
||
|---|---|---|
|
Pollutant or pollutant property |
Maximum for any 1 day |
Maximum for monthly average |
|
mg/kg (pounds per million pounds) of tungsten produced |
||
|
Copper |
6.583 |
3.137 |
|
Nickel |
2.829 |
1.903 |
|
Ammonia (as N) |
685.600 |
301.400 |
|
Tungsten |
17.900 |
7.972 |
|
Cobalt |
14.194 |
6.223 |
|
Oil and grease |
51.430 |
51.430 |
|
Total suspended solids |
77.150 |
61.720 |
|
pH |
(1) |
(1) |
1 Within the range of 7.5 to 10.0 at all times.
(d) Synthetic scheelite filtrate.
|
NSPS FOR THE SECONDARY TUNGSTEN AND COBALT SUBCATEGORY |
||
|---|---|---|
|
Pollutant or pollutant property |
Maximum for any 1 day |
Maximum for monthly average |
|
mg/kg (pounds per million pounds) of synthetic scheelite produced |
||
|
Copper |
21.330 |
10.170 |
|
Nickel |
9.164 |
6.165 |
|
Ammonia (as N) |
2,221.000 |
976.300 |
|
Cobalt |
45.984 |
20.160 |
|
Tungsten |
57.980 |
25.820 |
|
Oil and grease |
166.600 |
166.600 |
|
Total suspended solids |
249.900 |
199.900 |
|
pH |
(1) |
(1) |
1 Within the range of 7.5 to 10.0 at all times.
(e) Tungsten carbide leaching wet air pollution control.
|
NSPS FOR THE SECONDARY TUNGSTEN AND COBALT SUBCATEGORY |
||
|---|---|---|
|
Pollutant or pollutant property |
Maximum for any 1 day |
Maximum for monthly average |
|
mg/kg (pounds per million pounds) of tungsten carbide scrap leached |
||
|
Copper |
2.241 |
1.068 |
|
Nickel |
0.963 |
0.648 |
|
Ammonia (as N) |
233.400 |
102.600 |
|
Cobalt |
4.833 |
2.119 |
|
Tungsten |
6.093 |
2.714 |
|
Oil and grease |
17.510 |
17.510 |
|
Total suspended solids |
26.270 |
21.010 |
|
pH |
(1) |
(1) |
1 Within the range of 7.5 to 10.0 at all times.
(f) Tungsten carbide wash water.
|
NSPS FOR THE SECONDARY TUNGSTEN AND COBALT SUBCATEGORY |
||
|---|---|---|
|
Pollutant or pollutant property |
Maximum for any 1 day |
Maximum for monthly average |
|
mg/kg (pounds per million pounds) of tungsten carbide produced |
||
|
Copper |
10.670 |
5.083 |
|
Nickel |
4.583 |
3.083 |
|
Ammonia (as N) |
1,111.000 |
488.300 |
|
Cobalt |
22.999 |
10.083 |
|
Tungsten |
29.000 |
12.920 |
|
Oil and grease |
83.330 |
83.330 |
|
Total suspended solids |
125.000 |
100.000 |
|
pH |
(1) |
(1) |
1 Within the range of 7.5 to 10.0 at all times.
(g) Cobalt sludge leaching wet air pollution control.
|
NSPS FOR THE SECONDARY TUNGSTEN AND COBALT SUBCATEGORY |
||
|---|---|---|
|
Pollutant or pollutant property |
Maximum for any 1 day |
Maximum for monthly average |
|
mg/kg (pounds per million pounds) of cobalt produced from cobalt sludge |
||
|
Copper |
45.80 |
21.83 |
|
Nickel |
19.68 |
13.24 |
|
Ammonia (as N) |
4,770.00 |
2,097.00 |
|
Cobalt |
98.756 |
43.295 |
|
Tungsten |
124.50 |
55.46 |
|
Oil and grease |
357.80 |
357.80 |
|
Total suspended solids |
536.70 |
429.40 |
|
pH |
(1) |
(1) |
1 Within the range of 7.5 to 10.0 at all times.
(h) Crystallization decant.
|
NSPS FOR THE SECONDARY TUNGSTEN AND COBALT SUBCATEGORY |
||
|---|---|---|
|
Pollutant or pollutant property |
Maximum for any 1 day |
Maximum for monthly average |
|
mg/kg (pounds per million pounds) of cobalt produced |
||
|
Copper |
53.310 |
25.410 |
|
Nickel |
22.910 |
15.410 |
|
Ammonia (as N) |
5,552.000 |
2,441.000 |
|
Cobalt |
114.954 |
50.397 |
|
Tungsten |
144.900 |
64.560 |
|
Oil and grease |
416.500 |
416.500 |
|
Total suspended solids |
624.800 |
499.800 |
|
pH |
(1) |
(1) |
1 Within the range of 7.5 to 10.0 at all times.
(i) Acid wash decant.
|
NSPS FOR THE SECONDARY TUNGSTEN AND COBALT SUBCATEGORY |
||
|---|---|---|
|
Pollutant or pollutant property |
Maximum for any 1 day |
Maximum for monthly average |
|
mg/kg (pounds per million pounds) of cobalt produced |
||
|
Copper |
24.400 |
11.630 |
|
Nickel |
10.490 |
7.053 |
|
Ammonia (as N) |
2,541.000 |
1,117.000 |
|
Cobalt |
52.611 |
23.065 |
|
Tungsten |
66.340 |
29.550 |
|
Oil and grease |
190.600 |
190.600 |
|
Total suspended solids |
285.900 |
228.700 |
|
pH |
(1) |
(1) |
1 Within the range of 7.5 to 10.0 at all times.
(j) Cobalt hydroxide filtrate.
|
NSPS FOR THE SECONDARY TUNGSTEN AND COBALT SUBCATEGORY |
||
|---|---|---|
|
Pollutant or pollutant property |
Maximum for any 1 day |
Maximum for monthly average |
|
mg/kg (pounds per million pounds) of cobalt produced |
||
|
Copper |
72.510 |
34.560 |
|
Nickel |
31.160 |
20.960 |
|
Ammonia (as N) |
7,551.000 |
3,320.000 |
|
Cobalt |
156.346 |
68.543 |
|
Tungsten |
197.100 |
87.800 |
|
Oil and grease |
566.500 |
566.500 |
|
Total suspended solids |
849.700 |
679.800 |
|
pH |
(1) |
(1) |
1 Within the range of 7.5 to 10.0 at all times.
(k) Cobalt hydroxide filter cake wash.
|
NSPS FOR THE SECONDARY TUNGSTEN AND COBALT SUBCATEGORY |
||
|---|---|---|
|
Pollutant or pollutant property |
Maximum for any 1 day |
Maximum for monthly average |
|
mg/kg (pounds per million pounds) of cobalt produced |
||
|
Copper |
139.600 |
66.510 |
|
Nickel |
59.970 |
40.340 |
|
Ammonia (as N) |
14,530.000 |
6,389.000 |
|
Cobalt |
300.094 |
131.932 |
|
Tungsten |
379.400 |
169.000 |
|
Oil and grease |
1,090.000 |
1,090.000 |
|
Total suspended solids |
1,636.000 |
1,308.000 |
|
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 § 40.421.314 Standards of performance for new sources - last updated January 02, 2025 | https://codes.findlaw.com/cfr/title-40-protection-of-environment/cfr-sect-40-421-314/
FindLaw Codes may not reflect the most recent version of the law in your jurisdiction. Please verify the status of the code you are researching with the state legislature before relying on it for your legal needs.
A free source of state and federal court opinions, state laws, and the United States Code. For more information about the legal concepts addressed by these cases and statutes, visit FindLaw’s Learn About the Law.
Get help with your legal needs
FindLaw’s Learn About the Law features thousands of informational articles to help you understand your options. And if you’re ready to hire an attorney, find one in your area who can help.
Search our directory by legal issue
Enter information in one or both fields (Required)