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 daily1 | Maximum monthly average1 |
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).
40 C.F.R. §439.46