[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: 40CFR435.42]

[Page 338-339]
 
                   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.

[[Page 339]]



                                    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]