[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: 40CFR439.16] [Page 403-404] TITLE 40--PROTECTION OF ENVIRONMENT CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PART 439_PHARMACEUTICAL MANUFACTURING POINT SOURCE CATEGORY --Table of Contents Subpart A_Fermentation Products Sec. 439.16 Pretreatment standards for existing sources (PSES). (a) Except as provided in 40 CFR 403.7 and 403.13, any existing source subject to this subpart must continue achieving the standards for cyanide specified in paragraph (c) of this section and must achieve the following standards by September 21, 2001: Pretreatment Standards (PSES) ------------------------------------------------------------------------ Maximum Maximum monthly Regulated parameter daily \1\ average \1\ ------------------------------------------------------------------------ Ammonia (as N) \2\............................... 84.1 29.4 Acetone.......................................... 20.7 8.2 4-methyl-2-pentanone............................. 20.7 8.2 Isobutyraldehyde................................. 20.7 8.2 n-Amyl acetate................................... 20.7 8.2 n-Butyl acetate.................................. 20.7 8.2 Ethyl acetate.................................... 20.7 8.2 Isopropyl acetate................................ 20.7 8.2 Methyl formate................................... 20.7 8.2 Isopropyl ether.................................. 20.7 8.2 Tetrahydrofuran.................................. 9.2 3.4 Benzene.......................................... 3.0 0.7 Toluene.......................................... 0.3 0.2 Xylenes.......................................... 3.0 0.7 n-Heptane........................................ 3.0 0.7 n-Hexane......................................... 3.0 0.7 [[Page 404]] Methylene chloride............................... 3.0 0.7 Chloroform....................................... 0.1 0.03 1,2-dichloroethane............................... 20.7 8.2 Chlorobenzene.................................... 3.0 0.7 o-Dichlorobenzene................................ 20.7 8.2 Diethyl amine.................................... 255.0 100.0 Triethyl amine................................... 255.0 100.0 ------------------------------------------------------------------------ \1\ mg/L (ppm) \2\ Not applicable to sources that discharge to a POTW with nitrification capability. (b) Sources that discharge to a POTW with nitrification capability (defined at Sec. 439.1(i)) are not required to achieve the pretreatment standard for ammonia (as N). (c) The limitations for cyanide are the same as specified in Sec. 439.12(e), (f) and (g). [68 FR 12272, Mar. 13, 2003]