[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: 40CFR465.31] [Page 602] TITLE 40--PROTECTION OF ENVIRONMENT CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PART 465_COIL COATING POINT SOURCE CATEGORY--Table of Contents Subpart C_Aluminum Basis Material Subcategory Sec. 465.31 Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available. Except as provided in 40 CFR 125.30 through 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: Subpart C ------------------------------------------------------------------------ BPT Effluent limitations ---------------------------------------- Maximum for any 1 Maximum for Pollutant or pollutant property day monthly average ---------------------------------------- ------------------------------------------------------------------------ mg/m \2\ (pounds per 1 million ft \2\) of area processed ---------------------------------------- Chromium....................... 1.42 (0.29) 0.58 (0.12) Cyanide........................ 0.98 (0.20) 0.41 (0.083) Zinc........................... 4.48 (0.92) 1.89 (0.39) Aluminum....................... 15.3 (3.14) 6.26. (1.28) Oil and grease................. 67.3 (13.8) 40.4 (8.27) TSS............................ 138.0 (28.3) 67.3 (13.8) pH............................. (\1\) (\1\) (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.5 to 10.0 at all times. [47 FR 54244, Dec. 1, 1982; 49 FR 33649, Aug. 24, 1984]