Except as provided in 40 CFR 403.7 and 403.13, any existing source subject to this subpart which introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for existing sources.
(a) Galvanizing, terne coating and other coatings -
(1) Strip, sheet, and miscellaneous products.
Subpart L
| Pretreatment standards for existing sources | Pollutant or pollutant property | |
|---|---|---|
| Maximum for any 1 day | Average of daily values for 30 consecutive days | |
| Kg/kkg (pounds per 1,000 lb) of product | ||
| Lead | 0.00113 | 0.000376 |
| Zinc | 0.00150 | 0.000500 |
| Chromium (hexavalent)1 | 0.000150 | 0.0000501 |
(2) [Reserved]
(b) Galvanizing and other coatings -
(1) Wire products and fasteners.
Subpart L
| Pollutant or pollutant property | Pretreatment standards for existing sources | |
|---|---|---|
| Maximum for any 1 day | Average of daily values for 30 consecutive days | |
| kg/kkg (pounds per 1,000 lb) of product | ||
| Lead | 0.00451 | 0.00150 |
| Zinc | 0.00601 | 0.00200 |
| Chromium (hexavalent)1 | 0.000601 | 0.000200 |
(2) [Reserved]
(c) Fume scrubbers.
Subpart L
| Pollutant or pollutant property | Pretreatment standards for existing sources | |
|---|---|---|
| Maximum for any 1 day | Average of daily values for 30 consecutive days | |
| Kg per day | ||
| Lead | 0.0368 | 0.0123 |
| Zinc | 0.0491 | 0.0164 |
| Chromium (hexavalent)1 | 0.00490 | 0.00163 |
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 21037, May 17, 1984]