40 CFR § 439.26
Pretreatment standards for existing sources (PSES)
June 9, 2020
Except as provided in 40 CFR 403.7 and 403.13, any existing source subject to this subpart must achieve the following standards by September 21, 2001:
Pretreatment Standards (PSES)
Open Table
| Regulated parameter | Maximum daily1 | Maximum monthly average1 |
|---|---|---|
| Acetone | 20.7 | 8.2 |
| n-Amyl acetate | 20.7 | 8.2 |
| Ethyl acetate | 20.7 | 8.2 |
| Isopropyl acetate | 20.7 | 8.2 |
| Methylene chloride | 3.0 | 0.7 |
1mg/L (ppm).
[68 FR 12273, Mar. 13, 2003]
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