[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: 40CFR440.24]

[Page 413]
 
                   TITLE 40--PROTECTION OF ENVIRONMENT
 
         CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)
 
PART 440_ORE MINING AND DRESSING POINT SOURCE CATEGORY
--Table of Contents
 
                   Subpart B_Aluminum Ore Subcategory
 
Sec. 440.24  New Source performance standards (NSPS).

    Except as provided in subpart L of this part, any new source subject 
to this subpart must achieve the following NSPS representing the degree 
of effluent reduction attainable by the application of the best 
available demonstrated technology (BADT). The concentration of 
pollutants discharged in mine drainage from mines producting bauxite 
ores shall not exceed:

------------------------------------------------------------------------
                                                  Effluent limitations
                                               -------------------------
                                                              Average of
                                                                daily
            Effluent characteristic             Maximum for   values for
                                                 any 1 day        30
                                                             consecutive
                                                                 days
------------------------------------------------------------------------
                                                  Milligrams per liter
                                               -------------------------
Fe (total)....................................          1.0          0.5
Al............................................          2.0          1.0
pH............................................        (\1\)        (\1\)
TSS...........................................         30.0         20.0
------------------------------------------------------------------------
\1\ Within the range of 6.0 to 9.0.