[Code of Federal Regulations] [Title 40, Volume 27] [Revised as ofJuly 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 40CFR428.90] [Page 78] TITLE 40--PROTECTION OF ENVIRONMENT CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PART 428--RUBBER MANUFACTURING POINT SOURCE CATEGORY--Table of Contents Subpart I--Pan, Dry Digestion, and Mechanical Reclaimed Rubber Subcategory Sec. 428.90 Applicability; description of the pan, dry digestion, and mechanical reclaimed rubber subcategory. Source: 40 FR 2342, Jan. 10, 1975, unless otherwise noted. The provisions of this subpart are applicable to process waste water discharges resulting from the production of reclaimed rubber except when produced by the wet digestion process.