[Code of Federal Regulations] [Title 40, Volume 27] [Revised as ofJuly 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 40CFR440.24] [Page 417] 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.