LOS ANGELES -- The Cal/OSH Standards Board adopted permanent revisions to Unfired Pressure Vessel Safety Orders 451 and 527 regarding liquefied natural gas (LNG) at its Jan. 16 meeting in Los Angeles. The revisions are virtually identical to emergency regulations adopted by the board Sept. 19, 2002 (see NEWS, Sept. 27, 2002, p. 7867).The revisions are intended to clear up confusion regarding the applicability of the safety orders to mobile LNG refueling operations. They were triggered by an inquiry t
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