Laserfiche WebLink
'OR Rw <br /> i w .3 <br /> a� <br /> -IN <br /> a <br /> NOMm =..., II MI <br /> M-1 <br /> ' <br /> i. <br /> SF I ROGEO OCG SS 5S NI T <br /> 7910 LOWER SACRAMEWTO ROAD <br /> STOCKTON, CALIFORNIA <br /> DELTA PROJECT NO, 404;8-147 <br /> 1.0 INT MUCTIOIY <br /> i <br /> Delta Environmental Consultants, Inc. (Delta),was retained to conduct a hydrogeologic investigation at <br /> 7910 Lower Sacramento Road In Stockton, California (Figure 1). The hydrogeolr�gic assessment was <br /> prompted by the detection of petroleum constituents in soils at the site during removal of the underground <br /> E i <br /> a storage tanks on December 20,198& On August 10 through 14, 1989,six soil borings were advanced at <br /> the site,three of which were completed as monitoring wells. This report presents the results of soli boring <br /> j advancement,monitoring well installation,and associated sampling and analytical work performed during <br /> the Phase I hydrogeologic investigation. <br /> i <br /> �. 1.1 1�rpgaa <br /> T"he Phase I hydrogeologic assessment was undertaken to determine the following: <br /> • Evaluate the site geologic conditions. <br /> ® Evaluate the horizontal and vertical extent of petroleum constituents in soils beneath the <br /> site. <br /> • Determine whether dissolved p•.tr-,era+,ronsiitueats ware present in ground water beneath <br /> the site. . <br /> t <br /> �I • Determine the depth to ground water and the direction of ground water flow underlying <br /> the site. <br /> Evaluate the need for additional assessment or remedial action measures. <br /> i <br /> t <br /> 1 "';{ <br />