November 13, 2007 - BILLINGS — Polluted groundwater beneath a Billings neighborhood could pose a long-term risk to residents, according to the Environmental Protection Agency. The 140-acre underground plume southwest of downtown contains four “contaminants of concern,” including a solvent known as PCE, according to an EPA report released Monday. PCE, used in dry cleaning and other industrial practices, is believed to have been deposited decades ago.
The EPA has identified Big Sky Linen as the only “potentially responsible party” so far.
EPA officials could begin cleaning the site next spring and will be in Billings on Dec. 13 to discuss health risks. Cleanup could take several years at a cost of up to $7 million, The Billings Gazette reported in a story for Wednesday editions.
The biggest concern is that the pollutants in the contaminated groundwater are converting to vapor and seeping through the soil and into homes.
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