[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: 33CFR127.1203]

[Page 40]
 
                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 C_Waterfront Facilities Handling Liquefied Hazardous Gas
 
Sec. 127.1203  Gas detection.

    (a) Each waterfront facility handling LHG that transfers a flammable 
LHG must have at least two portable gas detectors, or a fixed gas 
detector, in the marine transfer area for LHG. Each detector must be 
capable of indicating whether the concentration of flammable vapors 
exceeds 30% of the Lower Flammable Limit for each flammable product 
being transferred and must meet ANSI S12.13, Part I.
    (b) Each waterfront facility handling LHG that transfers a toxic 
LHG, other than anhydrous ammonia, must have at least two portable gas 
detectors, or a fixed gas detector, available in the area. The detectors 
must be capable of showing whether the concentration of each toxic LHG 
being transferred is above, at, or below any Permissible Exposure Limit 
listed in 29 CFR 1910.1000, Table Z-1 or Z-2.
    (c) Each gas detector required by paragraph (a) or (b) of this 
section must serve to detect leaks, check structures for gas 
accumulations, and indicate workers' exposure to toxic gases in the 
area.

[CGD 88-049, 60 FR 39797, Aug. 3, 1995; 60 FR 49509, Sept. 26, 1995]