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47 FR 23284, May 27, 1982, unless otherwise noted.
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The discharge of wastewater pollutants from any new source subject to this subpart shall not exceed the standards set forth below.
(a) Galvanizing, terne coating and other coatings —
(1) Strip, sheet, and miscellaneous products.
| Pollutant or pollutant property | New source performance standards | |
|---|---|---|
| Maximum for any 1 day | Average of daily values for 30 consecutive days | |
| Kg/kkg (pounds per 1,000 lb) of product | ||
| TSS | 0.0438 | 0.0188 |
| O&G | 0.0188 | 0.00626 |
| Lead | 0.000282 | 0.0000939 |
| Zinc | 0.000376 | 0.000125 |
| Chromium (hexavalent) 1 | 0.0000376 | 0.0000125 |
| pH | (2) | (2) |
| 1 The limitations for hexavalent chromium shall be applicable only to galvanizing operations which discharge wastewaters from the chromate rinse step. | ||
| 2 Within the range of 6.0 to 9.0. | ||
(2) [Reserved]
(b) Galvanizing and other coatings —
(1) Wire products and fasteners.
| Pollutant or pollutant property | New source performance standards | |
|---|---|---|
| Maximum for any 1 day | Average of daily values for 30 consecutive days | |
| Kg/kkg (pounds per 1,000 lb) of product | ||
| TSS | 0.175 | 0.0751 |
| O&G | 0.0751 | 0.0250 |
| Lead | 0.00113 | 0.000376 |
| Zinc | 0.00150 | 0.000500 |
| Chromium (hexavalent) 1 | 0.000150 | 0.0000501 |
| pH | (1) | (1) |
| 1 The limitations for hexavalent chromium shall be applicable only to galvanizing operations which discharge wastewaters from the chromate rinse step. | ||
| 2 Within the range of 6.0 to 9.0. | ||
(2) [Reserved]
(c) Fume scrubbers.
| New source performance standards | Pollutant or pollutant property | |
|---|---|---|
| Maximum for any 1 day | Average of daily values for 30 consecutive days | |
| kg/per day | ||
| TSS | 5.72 | 2.45 |
| O&G | 2.45 | 0.819 |
| Lead | 0.0368 | 0.0123 |
| Zinc | 0.0491 | 0.0164 |
| Chromium (hexavalent) 1 | 0.00490 | 0.00163 |
| pH | (2) | (2) |
| 1 The limitations for hexavalent chromium shall be applicable only to galvanizing operations which discharge wastewaters from the chromate rinse step. | ||
| 2 Within the range of 6.0 to 9.0. | ||
The above limitations shall be applicable to each fume scrubber associated with any of the coating operations specified above.
[47 FR 23284, May 27, 1982, as amended at 49 FR 21036, May 17, 1984]