40 CFR 466.23 – New source performance standards
Current as of: 2024 | Check for updates
|
Other versions
Any new source subject to this subpart must achieve the following new source performance standards.
(a) There shall be no discharge of process wastewater pollutants from metal preparation operations.
(b) The discharge of process wastewater pollutants from all porcelain enameling coating operations shall not exceed the values set forth below:
Subpart B—NSPS
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | ||
|---|---|---|---|---|
| Mg/m2 (pounds per million ft2) of area coated | ||||
| Chromium | 0.47 | (0.10) | 0.19 | (0.04) |
| Lead | 0.13 | (0.03) | 0.11 | (0.02) |
| Nickel | 0.69 | (0.14) | 0.47 | (0.10) |
| Zinc | 1.29 | (0.27) | 0.53 | (0.11) |
| Aluminum | 3.82 | (0.78) | 1.56 | (0.32) |
| Iron | 1.55 | (0.32) | 0.79 | (0.16) |
| Oil and grease | 12.60 | (2.58) | 12.60 | (2.58) |
| TSS | 18.91 | (3.87) | 15.12 | (3.10) |
| pH | (1) | (1) | (1) | (1) |
1 Within the range 7.5 to 10.0 at all times.