40 CFR 439.27 - Pretreatment standards for new sources (PSNS).

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§ 439.27 Pretreatment standards for new sources (PSNS).

Except as provided in 40 CFR 403.7, any new source subject to this subpart must achieve the following pretreatment standards:

Regulated parameter Pretreatment standards 1
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

1 Mg/L (ppm).

[63 FR 50431, Sept. 21, 1998; 64 FR 48104, Sept. 2, 1999]

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