[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: 40CFR458.31] [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 C_Carbon Black Channel Process Subcategory Sec. 458.31 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 channel process.