[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: 40CFR435.44] [Page 340] TITLE 40--PROTECTION OF ENVIRONMENT CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PART 435_OIL AND GAS EXTRACTION POINT SOURCE CATEGORY --Table of Contents Subpart D_Coastal Subcategory Sec. 435.44 Effluent limitations guidelines representing the degree of effluent reduction \ attainable by the application of the best conventional pollutant control technology (BCT). Except as provided in 40 CFR 125.30-125.32, any existing point source subject to this Subpart must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology (BCT): BCT Effluent Limitations ------------------------------------------------------------------------ Pollutant BCT effluent Stream parameter limitations ------------------------------------------------------------------------ Produced Water (all facilities). Oil & Grease...... The maximum for any one day shall not exceed 72 mg/ l and the 30-day average shall not exceed 48 mg/l. Drilling Fluids and Drill Cuttings and Dewatering Effluent: \1\ All facilities except Cook .................. No discharge. Inlet. Cook Inlet:................. Water-based drilling Free Oil.......... No discharge. \2\ fluids, drill cuttings, and dewatering effluent. Non-aqueous drilling .................. No discharge. fluids and dewatering effluent. Drill cuttings associated Free Oil.......... No discharge. \2\ with non-aqueous drilling fluids. Well Treatment, Workover and Free Oil.......... No discharge. \2\ Completion Fluids. Produced Sand................... .................. No discharge. Deck Drainage................... Free Oil.......... No discharge. \3\ Sanitary Waste: Sanitary M10................ Residual Chlorine. Minimum of 1 mg/l maintained as close to this concentration as possible. Sanitary M91M............... Floating Solids... No discharge. Domestic Waste.................. Floating Solids No discharge of and garbage. Floating Solids or garbage. ------------------------------------------------------------------------ \1\ BCT limitations for dewatering effluent are applicable prospectively. BCT limitations in this rule are not applicable to discharges of dewatering effluent from reserve pits which as of the effective date of this rule no longer receive drilling fluids and drill cuttings. Limitations on such discharges shall be determined by the NPDES permit issuing authority. \2\ As determined by the static sheen test (see appendix 1 to 40 CFR part 435, subpart A). \3\ As determined by the presence of a film or sheen upon or a discoloration of the surface of the receiving water (visual sheen). [61 FR 66125, Dec. 16, 1996; 62 FR 1682, Jan. 13, 1997, as amended at 66 FR 6917, Jan. 22, 2001]