[Code of Federal Regulations] [Title 40, Volume 26] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 40CFR422.10] [Page 645] TITLE 40-PROTECTION OF ENVIRONMENT CHAPTER I-ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PART 422-PHOSPHATE MANUFACTURING POINT SOURCE CATEGORY--Table of Contents Subpart A-Phosphorus Production Subcategory Sec. 422.10 Applicability; description of the phosphorus production subcategory. The provisions of this subpart are applicable to discharges of pollutants resulting from the production of phosphorus and ferrophosphorus by smelting of phosphate ore.