Regulations last checked for updates: May 17, 2024

Title 40 - Protection of Environment last revised: May 15, 2024
All TitlesTitle 40Chapter IPart 439Subpart D - Subpart D—Mixing/Compounding and Formulation
View all text of Subpart D [§ 439.40 - § 439.47]
§ 439.46 - 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
Acetone20.78.2
n-Amyl acetate20.78.2
Ethyl acetate20.78.2
Isopropyl acetate20.78.2
Methylene chloride3.00.7

1 mg/L (ppm).

[68 FR 12274, Mar. 13, 2003]
authority: 33 U.S.C. 1311,1314,1316,1317,1318,1342
source: 48 FR 49821, Oct. 27, 1983, unless otherwise noted.
cite as: 40 CFR 439.46
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