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Groundwater samples were collected on January 30, 1991, from the monitoring wells <br /> Installed during this field Investigation. Water samples taken from Monitoring Well <br /> MWi had a light, unidentified odor. No odors or floating product were eno)uniered in the <br /> remaining two wells. <br /> � e <br /> E ; <br /> PRELIMINARY SITE INVESTIGATION <br /> i s <br /> ' The site underground utilities were located and marked by Underground Services Alert <br /> (USA) prior to the drilling operations. The testhofe boring locations were probed to a <br /> r depth of four feet to alleviate the possibility of damaging any underground utiiitI s ar <br /> obstruction. <br /> TESTHOLE SOIL BORINGS AND FIELD SAMPLING GUIDELINES <br /> DRILLING METHOD <br /> A truck mounted fJ4obile B-80 drill rig with 6.25 inch inside diameter hollow stern <br /> -77) was used to drill the monitoring well borings <br /> auger (AASHTO Designation T251 . <br /> M- The drilling equipment was pre-cleaned by steam prior to drilling. <br /> 13 <br />