[Code of Federal Regulations]
[Title 40, Volume 27]
[Revised as ofJuly 1, 2003]
From the U.S. Government Printing Office via GPO Access
[CITE: 40CFR435.14]

[Page 304-305]
 
                   TITLE 40--PROTECTION OF ENVIRONMENT
 
         CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)
 
PART 435--OIL AND GAS EXTRACTION POINT SOURCE CATEGORY--Table of Contents
 
                     Subpart A--Offshore Subcategory
 
Sec. 435.14  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 125.30-32, 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
           Waste source                parameter          limitation
------------------------------------------------------------------------
Produced water...................  Oil & grease....  The maximum for any
                                                      one day shall not
                                                      exceed 72 mg/l;
                                                      the average of
                                                      values for 30
                                                      consecutive days
                                                      shall not exceed
                                                      48 mg/l.
Drilling fluids and drill
 cuttings:
(A) For facilities located within  ................  No discharge.\1\
 3 miles from shore.

[[Page 305]]


(B) For facilities located beyond
 3 miles from shore:.
    Water-based drilling fluids    Free Oil........  No discharge.\2\
     and associated drill
     cuttings.
    Non-aqueous drilling fluids..  ................  No discharge.
    Drill cuttings associated      Free Oil........  No discharge.\2\
     with non-aqueous drilling
     fluids.
Well treatment, completion and     Free oil........  No discharge.\2\
 workover fluids.
Deck drainage....................  Free oil........  No discharge .\3\
Produced sand....................  ................  No discharge.
Sanitary M10.....................  Residual          Minimum of 1 mg/l
                                    chlorine.         and maintained as
                                                      close to this
                                                      concentration as
                                                      possible.
Sanitary M91M....................  Floating solids.  No discharge.
Domestic Waste...................  Floating solids.  No discharge.
                                   All other         See 33 CFR part
                                    domestic waste.   151.
------------------------------------------------------------------------
\1\ All Alaskan facilities are subject to the drilling fluids and drill
  cuttings discharge limitations for facilities located more than 3
  miles offshore.
\2\ As determined by the static sheen test (appendix 1).
\3\ As determined by the presence of a film or sheen upon or a
  discoloration of the surface of the receiving water (visual sheen).


[58 FR 12504, Apr. 13, 1979, as amended at 66 FR 6899, Jan. 22, 2001]