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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).

Code of Federal Regulations

[68 FR 12273, Mar. 13, 2003]

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).

Code of Federal Regulations

[68 FR 12273, Mar. 13, 2003]

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