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Summary:
Historic groundwater investigations at a 300-acre manufacturing facility in Connecticut indicated that solvent and metal contaminated groundwater was migrating off site. To preliminarily investigate off-site groundwater contamination, the collection of discrete-interval groundwater samples using a HydroPunch was attempted in twenty soil borings. The borings were located along three transects perpendicular to the general direction of groundwater flow: 1) three soil borings were located near groundwater monitoring well clusters along the downgradient facility boundary, 2) ten soil borings were located along a road at the approximate midpoint between the facility boundary and a nearby river, and 3) seven soil borings were located along the banks of the river. At each soil boring, collection of the first HydroPunch sample was attempted at ten feet below the water table; sample attempts continued at 3-meter (10-ft) intervals until refusal. Samples were analyzed for volatile organic compounds and selected metals.
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Reproduction Note:
Electronic reproduction. W. Conshohocken, Pa. : ASTM International, 1996. Mode of access: World Wide Web. System requirements: Web browser. Access may be restricted to users at subscribing institutions.
