[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: 33CFR149.307] [Page 206] TITLE 33--NAVIGATION AND NAVIGABLE WATERS CHAPTER I--COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) PART 149--DESIGN, CONSTRUCTION, AND EQUIPMENT--Table of Contents Subpart C--Pollution Prevention Equipment Sec. 149.307 Blank flange and shutoff valve. Each floating hose string must have a blank flange and a shutoff valve at the vessel manifold end.