[Code of Federal Regulations] [Title 40, Volume 27] [Revised as ofJuly 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 40CFR440.22] [Page 416] 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. 440.22 Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT). Except as provided in subpart L of this part and 40 CFR 125.30 through 125.32, any existing 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). The concentration of pollutants discharged in mine drainage from mines producing bauxite ores shall not exceed: ------------------------------------------------------------------------ Effluent limitations --------------------------- Average of Effluent characteristic daily values Maximum for for 30 any 1 day consecutive days ------------------------------------------------------------------------ Milligrams per liter --------------- TSS......................................... 30 20 Fe.......................................... 1.0 .5 A1.......................................... 2.0 1.0 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 6.0 to 9.0. [[Page 417]]