[Code of Federal Regulations] [Title 40, Volume 27] [Revised as ofJuly 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 40CFR439.27] [Page 408] 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. 439.27 Pretreatment standards for new sources (PSNS). Except as provided in 40 CFR 403.7, any new source subject to this subpart must achieve the following pretreatment standards: ------------------------------------------------------------------------ Pretreatment standards \1\ --------------------- Average Regulated parameter Maximum monthly daily discharge discharge must not exceed ------------------------------------------------------------------------ 1 Acetone......................................... 20.7 8.2 2 n-Amyl acetate.................................. 20.7 8.2 3 Ethyl acetate................................... 20.7 8.2 4 Isopropyl acetate............................... 20.7 8.2 5 Methylene chloride.............................. 3.0 0.7 ------------------------------------------------------------------------ \1\ Mg/L (ppm). [63 FR 50431, Sept. 21, 1998; 64 FR 48104, Sept. 2, 1999]