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Title 40: Protection of Environment
CHAPTER I: ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)
SUBCHAPTER N: EFFLUENT GUIDELINES AND STANDARDS
PART 433: METAL FINISHING POINT SOURCE CATEGORY
Subpart A: Metal Finishing Subcategory
433.16 - New source performance standards (NSPS).
(a) Any new source subject to this subpart must achieve the following performance standards:
| Pollutant or pollutant property | Maximum for any 1 day | Monthly average shall not exceed |
| Milligrams per liter (mg/l) | ||
| Cadmium (T) | 0.11 | 0.07 |
| Chromium (T) | 2.77 | 1.71 |
| Copper (T) | 3.38 | 2.07 |
| Lead (T) | 0.69 | 0.43 |
| Nickel (T) | 3.98 | 2.38 |
| Silver (T) | 0.43 | 0.24 |
| Zinc (T) | 2.61 | 1.48 |
| Cyanide (T) | 1.20 | 0.65 |
| TTO | 2.13 | |
| Oil and Grease | 52 | 26 |
| TSS | 60 | 31 |
| pH | (1) | (1) |
(b) Alternatively, for industrial facilities with cyanide treatment, and upon agreement between a source subject to those limits and the pollution control authority, the following amenable cyanide limit may apply in place of the total cyanide limit specified in paragraph (a) of this section:
| Pollutant or pollutant property | Maximum for any 1 day | Monthly average shall not exceed |
| Milligrams per liter (mg/l) | ||
| Cyanide (A) | 0.86 | 0.32 |
(c) No user subject to the provisions of this subpart shall augment the use of process wastewater or otherwise dilute the wastewater as a partial or total substitute for adequate treatment to achieve compliance with this limitation.
[48 FR 32485, July 15, 1983; 48 FR 43682, Sept. 26, 1983]
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