[Code of Federal Regulations] [Title 40, Volume 28] [Revised as of July 1, 2004] From the U.S. Government Printing Office via GPO Access [CITE: 40CFR439.26] [Page 406] TITLE 40--PROTECTION OF ENVIRONMENT CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PART 439_PHARMACEUTICAL MANUFACTURING POINT SOURCE CATEGORY --Table of Contents Subpart B_Extraction Products Sec. 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) ------------------------------------------------------------------------ Maximum Maximum monthly Regulated parameter daily \1\ 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]