[Code of Federal Regulations] [Title 33, Volume 2] [Revised as of July 1, 2004] From the U.S. Government Printing Office via GPO Access [CITE: 33CFR127.205] [Page 32] TITLE 33--NAVIGATION AND NAVIGABLE WATERS CHAPTER I--COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) PART 127_WATERFRONT FACILITIES HANDLING LIQUEFIED NATURAL GAS AND LIQUEFIED HAZARDOUS GAS--Table of Contents Subpart B_Waterfront Facilities Handling Liquefied Natural Gas Sec. 127.205 Emergency shutdown. Each transfer system must have an emergency shutdown system that-- (a) Can be activated manually; and (b) Is activated automatically when the fixed sensors under Sec. 127.201(b) measure LNG concentrations exceeding 40% of the lower flammable limit.