40 CFR § 439.27
Pretreatment standards for new sources (PSNS)
June 9, 2020
Except as provided in 40 CFR 403.7, any new source subject to this subpart must achieve the following pretreatment standards:
Open Table
| Regulated parameter | Pretreatment standards1 | |
|---|---|---|
| Maximum daily discharge | Average monthly discharge must not exceed | |
| 1 Acetone | 20.7 | 8.2 |
| 2 n-Amyl acetate | 20.7 | 8.2 |
| 3 Ethyl acetate | 20.7 | 8.2 |
| 4 Isopropyl acetate | 20.7 | 8.2 |
| 5 Methylene chloride | 3.0 | 0.7 |
1Mg/L (ppm).
[63 FR 50431, Sept. 21, 1998; 64 FR 48104, Sept. 2, 1999]
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