Gas Leaks Blamed Partly on Imports
Posted on: Thursday, 7 July 2005, 12:00 CDT
Washington Gas says molecular differences in imported liquefied natural gas are partly to blame for the rash of leaks in underground mains in the capital area.
The District of Columbia gas utility began using imported gas in August 2003. Company officials say a study showed the import's molecular differences were drying the rubber seals of aging metal couplings linking pipe sections, the Washington Post reported. The study was launched after a District Heights house exploded in March. No one was injured in the blast.
The gas was imported mainly from Trinidad, brought in by tanker through Dominion's Cove Point liquefied natural gas terminal, the Post said.
Cove Point officials said an analysis by Dominion Resources Inc., which operates the terminal, found the chemical makeup of its gas closely matched gas generally used in the Washington Gas system.
Washington Gas said it plans to $144 million to repair some 1,400 leaks in Prince George's County, Md., and replace thousands of old couplings, the Post said. It also expects to be able to continue to use the imported gas through additional processing.
Source: United Press International
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