View all text of Subpart B [§ 439.20 - § 439.27]

§ 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 1Maximum daily discharge Average monthly discharge must not exceed 1 Acetone20.78.2 2 n-Amyl acetate20.78.2 3 Ethyl acetate20.78.2 4 Isopropyl acetate20.78.2 5 Methylene chloride3.00.7

1 Mg/L (ppm).

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