Starkey Citizens for a Clean & Healthy Environment
Inergy Seeks Approval for Gas Storage in Once Deemed Unusable Salt Cavern

WATKINS GLEN, N.Y.—A Kansas City energy company is urging New York and federal regulators to disregard explicit warnings about the structural integrity of two salt caverns that it plans to use to store millions of barrels of highly-pressurized liquid propane and butane.

One cavern was plugged and abandoned 10 years ago after a consulting engineer from Louisiana concluded that its roof had collapsed in a minor earthquake. He deemed the rubble-filled cavity “unusable” for storage. It is now scheduled to hold 600,000 barrels of liquid butane.

The other cavern sits directly below a rock formation weakened by faults and characterized by “rock movement” and “intermittent collapse,” according to a 40-year-old academic study that cautioned that the cavern might be plagued by “difficulties in production arising from the geological environment.” That cavern is scheduled to hold 1.5 million barrels of liquid propane.
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