[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: 40CFR458.42] [Page 509] TITLE 40--PROTECTION OF ENVIRONMENT CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PART 458_CARBON BLACK MANUFACTURING POINT SOURCE CATEGORY--Table of Contents Subpart D_Carbon Black Lamp Process Subcategory Sec. 458.42 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available. Except as provided in Sec. Sec. 125.30 through 125.32, any existing point source subject to this subpart, shall achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT): There shall be no discharge of process waste water pollutants into navigable waters. [60 FR 33972, June 29, 1995]