[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: 40CFR440.70] [Page 420] TITLE 40--PROTECTION OF ENVIRONMENT CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PART 440_ORE MINING AND DRESSING POINT SOURCE CATEGORY --Table of Contents Subpart G_Nickel Ore Subcategory Sec. 440.70 Applicability; description of the nickel ore subcategory. The provisions of this subpart G are applicable to discharges from (a) mines that produce nickel ore and (b) mills that process nickel ore.