[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: 40CFR458.40] [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. 458.40 Applicability; description of the carbon black lamp process subcategory. The provisions of this subpart are applicable to discharges resulting from the production of carbon black by the lamp process.