[Code of Federal Regulations] [Title 46, Volume 4] [Revised as of October 1, 2006] From the U.S. Government Printing Office via GPO Access [CITE: 46CFR108.703] [Page 158] TITLE 46_SHIPPING (This book contains parts 90 to 139) CHAPTER I--COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) PART 108_DESIGN AND EQUIPMENT--Table of Contents Subpart H_Miscellaneous Equipment Sec. 108.703 Self-contained breathing apparatus. (a) Each unit must be equipped with a self-contained breathing apparatus described in Sec. 108.497(a) to use as protection against gas leaking from a refrigeration unit if it is equipped with any refrigeration unit using-- (1) Ammonia to refrigerate any space with a volume of more than 20 cubic feet; or (2) Fluorocarbons to refrigerate any space with a volume of more than 1000 cubic feet. (b) The self-contained breathing apparatus required in Sec. 108.497 may be used for this purpose. [CGD 73-251, 43 FR 56808, Dec. 4, 1978, as amended by CGD 86-036, 57 FR 48326, Oct. 23, 1992]