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Strategies & Market Trends : The Residential Real Estate Crash Index
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To: ChanceIs who wrote (131260)6/29/2008 9:03:59 PM
From: Elroy JetsonRead Replies (1) of 306849
 
At the request of Homeland Security, Chevron conducted a test of a large LNG leak in the open ocean in the Pacific as the resulting fire dynamics from a theoretical rocket attack were previously proved to exceed the modeling ability of FEM3A models.

A quantity of LNG equal to the quantity of three LNG cells quickly dispersed along the water in a 1.8 mile radius, the direction determined by prevailing winds.

As the LNG vaporizes it displaces the air in a region roughly 35 feet above the surface. The flammable zone is the boundary region surrounding this 3.6 mile diameter cloud. Once the boundary zone reaches a source of ignition, a flashback occurs over the leak and the fire continues until the last of the LNG is vaporized.

If this occurred in a location with people present, they would die from suffocation from lack of air, rather than from fire. This test provides the required safety set-back area for an LNG tanker facility in the event of a major breach.

LNG mooring facilities in Baja or offshore mooring sites can maintain this safe buffer zone - while urban tanker moorings, say in the Port of Long Beach, cannot - with predictable results in this sort of event.
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