U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 27, 2025
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All TitlesTitle 40Chapter IPart 420Subpart F - Subpart F—Continuous Casting Subcategory
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Any new 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 new sources.
Subpart F
| Pollutant or pollutant property | Pretreatment standards for new sources | |
|---|---|---|
| Maximum for any 1 day | Average of daily values for 30 consecutive days | |
| Kg/kkg (pounds per 1,000 lb) of product | ||
| Lead | 0.0000939 | 0.0000313 |
| Zinc | 0.000141 | 0.0000469 |
