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1 <br /> Problem Assessment Report November 20, 1990 <br /> !'•�• Fire Engine Company No. 2, Stockton, California AGS 38009-2 <br /> Assessment of Ground Water <br /> ® Borings B-1 through 13-3 were converted to ground-water monitoring wells MW-1 through <br /> MW-3,respectively,during the December 1988 drilling event,and boring B-8 was converted <br /> to ground-water well MW-4 during the May 1990 drilling event (see Plate P-2). The wells <br /> were installed in the borings onsite to delineate dissolved gasoline hydrocarbons in ground <br /> water beneath the site. The purpose of each groundwater monitoring well is summarized <br /> in Table 3. <br /> Details on the construction of monitoring wells,including the dates the wells were developed <br /> and sampled,are summarized in Table 5. The well construction is shown graphically on the <br /> Logs of Borings, Plates P-4 through P-20. Groundwater samples were collected from the <br /> wells for Iaboratory analysis of hydrocarbons. <br /> Applied 19,00SYS OMS <br />