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.
Code of Federal Regulations Title 40. Protection of Environment § 40.471.83 New source performance standards (NSPS)
Current as of January 02, 2025 | Updated by Findlaw Staff
Any new source subject to this subpart must achieve the following new source performance standards (NSPS):
(a) Rolling spent neat oils—subpart H—NSPS. There shall be no discharge of process wastewater pollutants.
(b) Rolling spent emulsions.
|
SUBPART H—NSPS |
||
|---|---|---|
|
Pollutant or pollutant property |
Maximum for any 1 day |
Maximum for monthly average |
|
mg/off-kg (pounds per million off-pounds) of zinc rolled with emulsions |
||
|
Chromium |
0.0005 |
0.0002 |
|
Copper |
0.002 |
0.0009 |
|
Cyanide |
0.0003 |
0.0001 |
|
Zinc |
0.002 |
0.0006 |
|
Oil and grease |
0.014 |
0.014 |
|
TSS |
0.021 |
0.017 |
|
pH |
(1) |
(1) |
1 Within the range of 7.5 to 10.0 at all times.
(c) Rolling contact cooling water.
|
SUBPART H—NSPS |
||
|---|---|---|
|
Pollutant or pollutant property |
Maximum for any 1 day |
Maximum for monthly average |
|
mg/off-kg (pounds per million off-pounds) of zinc rolled with contact cooling water |
||
|
Chromium |
0.020 |
0.009 |
|
Copper |
0.069 |
0.037 |
|
Cyanide |
0.011 |
0.004 |
|
Zinc |
0.055 |
0.023 |
|
Oil and grease |
0.536 |
0.536 |
|
TSS |
0.804 |
0.643 |
|
pH |
(1) |
(1) |
1 Within the range of 7.5 to 10.0 at all times.
(d) Drawing spent emulsions.
|
SUBPART H—NSPS |
||
|---|---|---|
|
Pollutant or pollutant property |
Maximum for any 1 day |
Maximum for monthly average |
|
mg/off-kg (pounds per million off-pounds) of zinc drawn with emulsions |
||
|
Chromium |
0.002 |
0.0009 |
|
Copper |
0.008 |
0.004 |
|
Cyanide |
0.001 |
0.0005 |
|
Zinc |
0.006 |
0.003 |
|
Oil and grease |
0.058 |
0.058 |
|
TSS |
0.087 |
0.070 |
|
pH |
(1) |
(1) |
1 Within the range of 7.5 to 10.0 at all times.
(e) Direct chill casting contact cooling water.
|
SUBPART H—NSPS |
||
|---|---|---|
|
Pollutant or pollutant property |
Maximum for any one day |
Maximum for monthly average |
|
mg/off-kg (pounds per million off-pounds) of zinc cast by the direct chill method |
||
|
Chromium |
0.019 |
0.008 |
|
Copper |
0.065 |
0.031 |
|
Cyanide |
0.010 |
0.004 |
|
Zinc |
0.052 |
0.021 |
|
Oil and grease |
0.505 |
0.505 |
|
TSS |
0.758 |
0.606 |
|
pH |
(1) |
(1) |
1 Within the range of 7.5 to 10.0 at all times.
(f) Stationary casting contact cooling water—subpart H—NSPS. There shall be no discharge of process wastewater pollutants.
(g) Heat treatment contact cooling water.
|
SUBPART H—NSPS |
||
|---|---|---|
|
Pollutant or pollutant property |
Maximum for any 1 day |
Maximum for monthly average |
|
mg/off-kg (pounds per million off-pounds) of zinc heat treated |
||
|
Chromium |
0.029 |
0.012 |
|
Copper |
0.098 |
0.047 |
|
Cyanide |
0.016 |
0.006 |
|
Zinc |
0.078 |
0.032 |
|
Oil and grease |
0.763 |
0.763 |
|
TSS |
1.15 |
0.916 |
|
pH |
(1) |
(1) |
1 Within the range of 7.5 to 10.0 at all times.
(h) Surface treatment spent baths.
|
SUBPART H—NSPS |
||
|---|---|---|
|
Pollutant or pollutant property |
Maximum for any 1 day |
Maximum for monthly average |
|
mg/off-kg (pounds per million off-pounds) of zinc surface treated |
||
|
Chromium |
0.033 |
0.014 |
|
Copper |
0.114 |
0.054 |
|
Cyanide |
0.018 |
0.007 |
|
Zinc |
0.091 |
0.038 |
|
Oil and grease |
0.887 |
0.887 |
|
TSS |
1.33 |
1.07 |
|
pH |
(1) |
(1) |
1 Within the range of 7.5 to 10.0 at all times.
(i) Surface treatment rinse.
|
SUBPART H—NSPS |
||
|---|---|---|
|
Pollutant or pollutant property |
Maximum for any 1 day |
Maximum for monthly average |
|
mg/off-kg (pounds per million off-pounds) of zinc surface treated |
||
|
Chromium |
0.133 |
0.054 |
|
Copper |
0.459 |
0.219 |
|
Cyanide |
0.072 |
0.029 |
|
Zinc |
0.365 |
0.151 |
|
Oil and grease |
3.58 |
3.58 |
|
TSS |
5.37 |
4.30 |
|
pH |
(1) |
(1) |
1 Within the range of 7.5 to 10.0 at all times.
(j) Alkaline cleaning spent baths.
|
SUBPART H—NSPS |
||
|---|---|---|
|
Pollutant or pollutant property |
Maximum for any 1 day |
Maximum for monthly average |
|
mg/off-kg (pounds per million off-pounds) of zinc alkaline cleaned |
||
|
Chromium |
0.002 |
0.0006 |
|
Copper |
0.005 |
0.002 |
|
Cyanide |
0.0007 |
0.0003 |
|
Zinc |
0.004 |
0.002 |
|
Oil and grease |
0.036 |
0.036 |
|
TSS |
0.054 |
0.043 |
|
pH |
(1) |
(1) |
1 Within the range of 7.5 to 10.0 at all times.
(k) Alkaline cleaning rinse.
|
SUBPART H—NSPS |
||
|---|---|---|
|
Pollutant or pollutant property |
Maximum for any 1 day |
Maximum for monthly average |
|
mg/off-kg (pounds per million off-pounds) of zinc alkaline cleaned |
||
|
Chromium |
0.626 |
0.259 |
|
Copper |
2.17 |
1.03 |
|
Cyanide |
0.338 |
0.135 |
|
Zinc |
1.73 |
0.710 |
|
Oil and grease |
16.9 |
16.9 |
|
TSS |
25.4 |
20.3 |
|
pH |
(1) |
(1) |
1 Within the range of 7.5 to 10.0 at all times.
(l) Sawing or grinding spent emulsions.
|
SUBPART H—NSPS |
||
|---|---|---|
|
Pollutant or pollutant property |
Maximum for any 1 day |
Maximum for monthly average |
|
mg/off-kg (pounds per million off-pounds) of zinc sawed or ground with emulsions |
||
|
Chromium |
0.009 |
0.004 |
|
Copper |
0.031 |
0.015 |
|
Cyanide |
0.005 |
0.002 |
|
Zinc |
0.025 |
0.010 |
|
Oil and grease |
0.235 |
0.235 |
|
TSS |
0.357 |
0.286 |
|
pH |
(1) |
(1) |
1 Within the range of 7.5 to 10.0 at all times.
(m) Electrocoating rinse.
|
SUBPART H—NSPS |
||
|---|---|---|
|
Pollutant or pollutant property |
Maximum for any 1 day |
Maximum for monthly average |
|
mg/off-kg (pounds per million off-pounds) of zinc electrocoated |
||
|
Chromium |
0.085 |
0.035 |
|
Copper |
0.293 |
0.140 |
|
Cyanide |
0.046 |
0.019 |
|
Zinc |
0.234 |
0.096 |
|
Oil and grease |
2.29 |
2.29 |
|
TSS |
3.44 |
2.75 |
|
pH |
(1) |
(1) |
1 Within the range of 7.5 to 10.0 at all times.
(n) Degreasing spent solvents—subpart H—NSPS. There shall be no discharge of process wastewater pollutants.
Cite this article: FindLaw.com - Code of Federal Regulations Title 40. Protection of Environment § 40.471.83 New source performance standards (NSPS) - last updated January 02, 2025 | https://codes.findlaw.com/cfr/title-40-protection-of-environment/cfr-sect-40-471-83/
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.
Was this helpful?
Welcome to FindLaw's Cases & Codes
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.
Latest Blog Posts
-
Executive Order Strips Protections From More Career Federal Workers
-
Alleging a Culture of Racism, Bigotry, and Misogyny, Karen Read Sues Police for Negligence and Conspiracy
-
How Host Cities Are Changing Alcohol, Surveillance, and ID Laws for the World Cup 2026
-
Massachusetts Attorney General Sues UHC for $100 Million, Alleges Medicaid Fraud
-
Explore all
For Legal Professionals
Need to Find an Attorney?
Search our directory by legal issue
Enter information in one or both fields (Required)