[Code of Federal Regulations] [Title 33, Volume 2] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 33CFR159.115] [Page 528] TITLE 33--NAVIGATION AND NAVIGABLE WATERS CHAPTER I--COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) PART 159--MARINE SANITATION DEVICES--Table of Contents Subpart C--Design, Construction, and Testing Sec. 159.115 Temperature range test. (a) The device must be held at a temperature of 60 C or higher for a period of 16 hours. (b) The device must be held at a temperature of -40 C or less for a period of 16 hours following winterization in accordance with manufacturers' instructions.