08/11/1999 SELECT BOARD Minutes - Laserfiche WebLink

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s i Board of Selectmen Minutes August 11, 1999 Present: Selectman Marsters, Selectman Leveille, Selectman Taylor, Selectman Cahalan, Selectman Blythe Town Administrator Robert Whritenour Meeting Called to Order by Chairman Marsters at 6:30 p.m. Town Hall, Conference Room #1. APPOINTMENTS AND HEARINGS- SD-5 and TCE Plumes Update&_Construction Plans: The Board of Selectmen held a Public Hearing with representatives from the Air Force Center for Environmental Excellence (AFCEE) for the purpose of discussing the next phase of construction work for the cleaning of the Storm Drain 5 South(SD-5S)and trichloroethylene(TCE) groundwater plumes migrating under the Briarwood neighborhood. The purpose of the meeting is to gather input from the Selectmen and the public on the treatment design and construction plans for the SD-5S and TCE groundwater plumes. A poster board session was held prior to the general informational meeting. Jim Snyder, AFCEE and Jeff Carman of Jacobs Engineering presented the SD-5 system update. As noted, the SD-5 North treatment was a success removing contaminants from the groundwater. During the period of August, 1997 through May of 1999, 320 million gallons of water was treated, and over 33 pounds of VOC's were removed from the SD-5N plume.. In June of 1999, recirculating wells were installed to assist in the removal of contaminants for the SD-5 South plume. Trace amounts of DCE contaminants were detected in air emissions coming from the wells installed along Wheeler and Hillside Roads. DCE is a break-down product of TCE that has been detected in isolated locations. The component DCE is not posing a health-related concern, but additional steps are proposed to eliminate the contaminant.