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- <br /> - -- �.� - _ ?w .•ars.:' - - '.ice.. -'�. <br /> XFI -P86-032A <br /> August 11, 1986 <br /> MW-1' Was drilled and completed to a total depth of 25. o £ect. <br /> Free groundwater was encountered at a_ d<rpth of 16.0 feet and rose <br /> to 14.5 foot following wall completion. NO evidence of petroleum <br /> product odor was found. <br /> The well wag installed witV18:66aandMt:� <br /> and the ke; The <br /> well was developed on June 13, or sem <br /> ®s were <br /> taken On June 17, 1986. The well was chocked for depth to grater <br /> table, pr i t ac r and floating product. No sheer, or free <br /> product as well as odor were noted in the wall during our <br /> investigation. Prior to sampling, the well was purged at least <br /> four wall-volumes from a surface bailer. Samples were then <br /> collected using a Teflon barer, decanted into VOA bottles and <br /> stored on ice► until delivered to the laboratory. <br /> The results of thea analyais and Izonitoring of the well arc. ir. <br /> Table 1. <br /> HYDROGFOLOGY <br /> Groundwater 1s present at the site at a depth of 11.0 feet <br /> below. the surface. The subsurface formations below the site <br /> Consist of silty clay with silty &and at depths of 16 to 19. 5 <br /> fust. According to the Dep&rtrsent of Water Resourced, most of thc• <br /> groundwater in the San Joaquin County is usable. <br /> CONC3,11SIOli_AND DISCUSSIO?i <br /> The analytical results show concontrations of discolvud <br /> hydroa* no to be below the detection limit. Since no irnNdC_t <br /> the gr - water was noted, we recommend no further monitoring at <br /> this a i.unlass the Regulatory Agencies requezt it. <br /> This latter report, consiamting of profoonional opinions and <br /> rocommendations, has been made in accordance with generally <br /> accepted profeasional principles and practices existing for such <br /> work. This acknowledgment is in Riau �-tt all wsarrantius either <br /> express or implied. It should be noted that envirorzaantal, <br /> changes,. either naturally•accurring or artificially-i duces, srny <br />