[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: 40CFR418.10] [Page 340] TITLE 40-PROTECTION OF ENVIRONMENT CHAPTER I-ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PART 418-FERTILIZER MANUFACTURING POINT SOURCE CATEGORY--Table of Contents Subpart A-Phosphate Subcategory Sec. 418.10 Applicability; description of the phosphate subcategory. The provisions of this subpart are applicable to discharges resulting from the manufacture of sulfuric acid by sulfur burning, wet- process phosphoric acid, normal superphosphate, triple superphosphate and ammonium phosphate, except that the provisions of Sec.Sec. 418.12, 418.13, and 418.17 shall not apply to wet-process phosphoric acid processes that were under construction either on or before April 8, 1974, at plants located in the State of Louisiana. [52 FR 28432, July 29, 1987]