[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: 40CFR433.13] [Page 274-275] TITLE 40--PROTECTION OF ENVIRONMENT CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PART 433_METAL FINISHING POINT SOURCE CATEGORY--Table of Contents Subpart A_Metal Finishing Subcategory Sec. 433.13 Effluent limitations representing the degree of effluent reduction attainable by applying the best practicable control technology currently available (BPT). (a) 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 applying the best practicable control technology currently available (BPT): BPT Effluent Limitations ------------------------------------------------------------------------ Monthly Maximum for average Pollutant or pollutant property any 1 day shall not exceed ------------------------------------------------------------------------ Milligrams per liter (mg/ l) --------------- Cadmium (T)................................. 0.69 0.26 Chromium (T)................................ 2.77 1.71 Copper (T).................................. 3.38 2.07 Lead (T).................................... 0.69 0.43 Nickel (T).................................. 3.98 2.38 Silver (T).................................. 0.43 0.24 Zinc (T).................................... 2.61 1.48 Cyanide (T)................................. 1.20 0.65 TTO......................................... 2.13 ............ Oil & Grease................................ 52 26 TSS......................................... 60 31 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within 6.0 to 9.0. (b) Alternatively, for industrial facilities with cyanide treatment, and upon agreement between a source subject to those limits and the pollution control authority, the following amenable cyanide limit may apply in place of the total cyanide limit specified in paragraph (a) of this section: [[Page 275]] ------------------------------------------------------------------------ Monthly Maximum for average Pollutant or pollutant property any 1 day shall not exceed ------------------------------------------------------------------------ Milligrams per liter (mg/ l) --------------- Cyanide (A)................................. 0.86 0.32 ------------------------------------------------------------------------ (c) No user subject to the provisions of this subpart shall augment the use of process wastewater or otherwise dilute the wastewater as a partial or total substitute for adequate treatment to achieve compliance with this limitation.