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{ <br /> M1 The sampling device (bailer) was thoroughly decontaminated prior to and after each use to <br /> L, prevent cross contamination of samples. The thin nylon line used to lower the bailer was <br /> removed and discarded after each-use. Decontamination of the bailer consisted of an initial wash <br /> with an alconoxlpotable water solution followed by a thorough potable water rinse followed by <br /> " a final rinse with distilled water. ' <br /> The top of each PVC well casing was previously surveyed to establish the elevations of those <br /> wells relative to an arbitrary datum of 100 feet. Using the well casing elevations and the <br /> G <br /> measured depths to water, the groundwater elevation at each well was calculated. <br /> The water purged from the wells'.and used to decontaminate equipment was containerized in 55 1 <br /> gallon drums which were labeled and left onsite. All water sampling was performed in <br /> accordance with WESTON's site specific health and safety plan which was available onsite <br /> during field activities. The field work for this project was performed under Level D personal <br /> protection. <br /> i <br /> a <br /> ]1 <br /> 1 <br /> M _ <br /> 1 <br /> { <br /> 1 F <br /> 1 <br /> � I <br /> RYrS/EBMUDRP'r.WP OMM92 <br />