[Code of Federal Regulations] [Title 46, Volume 7] [Revised as of October 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 46CFR188.10-21] [Page 340] TITLE 46--SHIPPING CHAPTER I--COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) PART 188--GENERAL PROVISIONS--Table of Contents Subpart 188.10--Definition of Terms Used in This Subchapter Sec. 188.10-21 Compressed gas. This term includes any material or mixture having in the container an absolute pressure exceeding 40 p.s.i. at 70[deg] F.; or regardless of the pressure at 70[deg] F., having an absolute pressure exceeding 104 p.s.i. at 130[deg] F.; or any liquid flammable material having a vapor pressure exceeding 40 p.s.i. absolute at 100[deg] F. as determined by the Reid method covered by the American Society for Testing Materials Method of Test for Vapor Pressure of Petroleum Products (D-323). Compressed gases are discussed in more detail in 49 CFR parts 171-179. [CGFR 67-83, 33 FR 1113, Jan. 27, 1968, as amended by CGD 86-033, 53 FR 36026, Sept. 16, 1988]