[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: 40CFR438.12] [Page 382-383] TITLE 40--PROTECTION OF ENVIRONMENT CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PART 438_METAL PRODUCTS AND MACHINERY POINT SOURCE CATEGORY --Table of Contents Subpart A_Oily Wastes Sec. 438.12 Effluent limitations attainable by the application of the best practicable control technology currently available (BPT). Except as provided at 40 CFR 125.30 through 125.32, any existing point source subject to this subpart must achieve the following effluent limitations representing the application of BPT. Discharges must remain within the pH range 6 to 9 and must not exceed the following: Effluent Limitations [BPT] ------------------------------------------------------------------------ Maximum Regulated parameter daily \1\ ------------------------------------------------------------------------ 1. TSS....................................................... 62 [[Page 383]] 2. O&G (as HEM).............................................. 46 ------------------------------------------------------------------------ \1\ mg/L (ppm).