[Code of Federal Regulations] [Title 40, Volume 29] [Revised as of July 1, 2007] From the U.S. Government Printing Office via GPO Access [CITE: 40CFR455.11] [Page 471] TITLE 40--PROTECTION OF ENVIRONMENT CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PART 455_PESTICIDE CHEMICALS--Table of Contents Subpart A_Organic Pesticide Chemicals Manufacturing Subcategory Sec. 455.11 Compliance date for pretreatment standards for existing sources (PSES). Source: 43 FR 44846, Sept. 29, 1978, unless otherwise noted. All discharges subject to pretreatment standards for existing sources (PSES) in subparts A and B of this part must comply with the standards no later than September 28, 1993. [61 FR 57549, Nov. 6, 1996]