[Code of Federal Regulations] [Title 40, Volume 27] [Revised as ofJuly 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 40CFR440.70] [Page 424] 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.