[Code of Federal Regulations] [Title 40, Volume 29] [Revised as of July 1, 2005] From the U.S. Government Printing Office via GPO Access [CITE: 40CFR437.25] [Page 368] TITLE 40--PROTECTION OF ENVIRONMENT CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PART 437_THE CENTRALIZED WASTE TREATMENT POINT SOURCE CATEGORY--Table of Contents Subpart B_Oils Treatment and Recovery Sec. 437.25 Pretreatment standards for existing sources (PSES). Except as provided in 40 CFR 403.7, 403.13 or Sec. 437.20(b), and no later than December 22, 2003, any existing source subject to this subpart must achieve the following pretreatment standards: Pretreatment Standards (PSES) ------------------------------------------------------------------------ Maximum Regulated parameter Maximum monthly daily \1\ avg.\1\ ------------------------------------------------------------------------ Metal Parameters ------------------------------------------------------------------------ Chromium.................................... 0.947 0.487 Cobalt...................................... 56.4 18.8 Copper...................................... 0.405 0.301 Lead........................................ 0.222 0.172 Tin......................................... 0.249 0.146 Zinc........................................ 6.95 4.46 --------------------------------------------- Organic Parameters ------------------------------------------------------------------------ Bis(2-ethylhexyl) phthalate................. 0.267 0.158 Carbazole................................... 0.392 0.233 n-Decane.................................... 5.79 3.31 Fluoranthene................................ 0.787 0.393 n-Octadecane................................ 1.22 0.925 ------------------------------------------------------------------------ \1\ mg/L (ppm). [65 FR 81300, Dec. 22, 2000, as amended at 68 FR 71023, Dec. 22, 2003]