[Code of Federal Regulations] [Title 46, Volume 1] [Revised as of January 1, 2007] From the U.S. Government Printing Office via GPO Access [CITE: 46CFR30.10-27] [Page 393] TITLE 46--SHIPPING CHAPTER I--COAST GUARD, DEPARTMENT OF HOMELAND SECURITY PART 30_GENERAL PROVISIONS--Table of Contents Subpart 30.10_Definitions Sec. 30.10-27 Flashpoint--TB/ALL. The term flashpoint indicates the temperature in degrees Fahrenheit at which a liquid gives off a flammable vapor when heated in an open-cup tester. For the purpose of the regulations in this subchapter, flashpoints determined by other testing methods will be equivalent to those determined with an open-cup tester, as follows: Table 30.10-27--Equivalent Flashpoints [In degrees Farenheit] ------------------------------------------------------------------------ Pensky- Tag closed- Martens Open-cup tester cup tester closed (A.S.T.M.) tester (A.S.T.M.) ------------------------------------------------------------------------ 80............................................ 75 ........... 150........................................... ........... 140 ------------------------------------------------------------------------