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.
| 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.
| 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.
| 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
|