[Code of Federal Regulations] [Title 40, Volume 27] [Revised as ofJuly 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 40CFR427.10] [Page 49] TITLE 40--PROTECTION OF ENVIRONMENT CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PART 427--ASBESTOS MANUFACTURING POINT SOURCE CATEGORY--Table of Contents Subpart A--Asbestos-Cement Pipe Subcategory Sec. 427.10 Applicability; description of the asbestos-cement pipe subcategory. The provisions of this subpart are applicable to discharges resulting from the process in which asbestos. Portland cement, silica and other ingredients are used in the manufacturing of asbestos-cement pipe.