[Code of Federal Regulations] [Title 40, Volume 27] [Revised as ofJuly 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 40CFR435.42] [Page 342] 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. 435.42 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT). 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 practicable control technology currently available. BPT Effluent Limitations--Oil and Grease [In milligrams per liter] ---------------------------------------------------------------------------------------------------------------- Residual Average of values for 30 chlorine Pollutant parameter waste source Maximum for any 1 day consecutive days shall not minimum for exceed any 1 day ---------------------------------------------------------------------------------------------------------------- Produced water........................ 72........................... 48.......................... NA Deck drainage......................... (\1\)........................ (\1\)....................... NA Water-based: Drilling fluids................... (\1\)........................ (\1\)....................... NA Drill Cuttings.................... (\1\)........................ (\1\)....................... NA Non-aqueous: Drilling fluids................... No discharge................. No discharge................ NA Drill Cuttings.................... (\1\)........................ (\1\)....................... NA Well treatment, workover, and (\1\)........................ (\1\)....................... NA completion fluids. Sanitary: M10............................... NA........................... NA.......................... \2\ 1 M9IM \3\.......................... NA........................... NA.......................... NA Domestic \3\...................... NA........................... NA.......................... NA Produced sand..................... Zero discharge............... Zero discharge.............. NA ---------------------------------------------------------------------------------------------------------------- \1\ No discharge of free oil. \2\ Minimum of 1 mg/l and maintained as close to this concentration as possible. \3\ There shall be no floating solids as a result of the discharge of these wastes. [61 FR 66125, Dec. 16, 1996, as amended at 66 FR 6916, Jan. 22, 2001]