[Code of Federal Regulations]
[Title 40, Volume 27]
[Revised as ofJuly 1, 2003]
From the U.S. Government Printing Office via GPO Access
[CITE: 40CFR435.12]

[Page 302]
 
                   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. 435.12  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 125.30-32, 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]
------------------------------------------------------------------------
                                                   Average of
                                                   values for   Residual
                                        Maximum        30       chlorine
   Pollutant parameter waste source    for any 1  consecutive   minimum
                                          day      days shall  for any 1
                                                   not exceed     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          No          NA
                                       discharge   discharge
  Drill Cuttings.....................      (\1\)       (\1\)          NA
Well treatment fluids................      (\1\)       (\1\)          NA
Sanitary:
  M10................................         NA          NA       \2\ 1
  M9IM \3\...........................         NA          NA          NA
Domestic.............................         NA          NA         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.


[58 FR 12504, Apr. 13, 1979, as amended at 66 FR 6897, Jan. 22, 2001]

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