[Code of Federal Regulations] [Title 40, Volume 27] [Revised as ofJuly 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 40CFR458.11] [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 A--Carbon Black Furnace Process Subcategory Sec. 458.11 Specialized definitions. For the purpose of this subpart: (a) Except as provided below, the general definitions, abbreviations and methods of analysis set forth in part 401 of this chapter shall apply to this subpart. (b) The term ``product'' shall mean carbon black manufactured by the furnace process. (c) The term ``process waste water'' shall mean waters which result from baghouse operations or thermal quench operations.