40 CFR 439.26 - Pretreatment standards for existing sources (PSES).

§ 439.26 Pretreatment standards for existing sources (PSES).

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)

Regulated parameter Maximum daily 1 Maximum monthly average 1
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

1 mg/L (ppm).

[ 68 FR 12273, Mar. 13, 2003]

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