[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: 40CFR436.60] [Page 351] TITLE 40--PROTECTION OF ENVIRONMENT CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PART 436_MINERAL MINING AND PROCESSING POINT SOURCE CATEGORY --Table of Contents Subpart F_Asphaltic Mineral Subcategory Sec. 436.60 Applicability; description of the asphaltic mineral subcategory. The provisions of this subpart are applicable to the processing of bituminous limestone, oil-impregnated diatomite and oilsonite not primarily as an energy source.