[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: 40CFR418.20] [Page 343-344] TITLE 40-PROTECTION OF ENVIRONMENT CHAPTER I-ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PART 418-FERTILIZER MANUFACTURING POINT SOURCE CATEGORY--Table of Contents Subpart B-Ammonia Subcategory Sec. 418.20 Applicability; description of the ammonia subcategory. The provisions of this subpart are applicable to discharges resulting from the manufacture of ammonia. Discharges attributable to shipping losses [[Page 344]] and cooling tower blowdown are excluded. [44 FR 64081, Nov. 6, 1979]