[Code of Federal Regulations] [Title 40, Volume 28] [Revised as of July 1, 2004] From the U.S. Government Printing Office via GPO Access [CITE: 40CFR425.71] [Page 16] TITLE 40--PROTECTION OF ENVIRONMENT CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PART 425_LEATHER TANNING AND FINISHING POINT SOURCE CATEGORY--Table of Contents Subpart G_Shearling Subcategory Sec. 425.71 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 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 (BPT): ------------------------------------------------------------------------ NSPS --------------------------- Pollutant or pollutant property Maximum for Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/kkg (or pounds per 1,000 pounds) of raw material --------------- BOD5........................................ 3.0 1.3 TSS......................................... 4.3 1.9 Oil & Grease................................ 1.2 0.55 Total Chromium.............................. 0.08 0.03 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 6.0 to 9.0. [47 FR 52870, Nov. 23, 1982, as amended at 53 FR 9183, Mar. 21, 1988]