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Ms. Linda Turkatte <br /> Page 2 <br /> "Ietroleum hydrocarbons were detected in groundwater samples collected from all wells, except <br /> MW-7 and MW-11 Hydrocarbon concentrations were generally consistent with previous <br /> results The highest concentrations of TPHg and BTEX were detected in samples collected from <br /> wells MW-2 and MW-13, located southeast and east, respectively, of the former USTs <br /> i <br /> Recommendations <br /> Uround Zero recommends constructingthe approved soil <br /> pp vapor extraction system once the <br /> appropriate permits are completed, and continuing quarterly sampling to monitor the extent of <br /> gasoline hydrocarbons in groundwater The next sampling event is scheduled for August 1997 <br /> Your office will be provided 48-hours notice of any field work <br /> i <br /> Please call if you have any questions regarding this quarterly monitoring and sampling event <br /> E <br /> Sincerely, <br /> Group Zero Analysis, Inc <br /> = n ' Justin M Power <br /> Protect Manager _0 ^\ <br /> Gregory P. Stahl, RG 5023 <br /> CA Certified Hydrogeologist 264 <br /> Attachments ,�� <br /> pc• Mr Carl Knowles <br /> Mr, Glen Van Dyke, Law Offices of Fiddle & Isola <br /> Ms Elizabeth Thayer, CRWQCB Sacramento <br /> i <br /> i <br /> rc?:\gmrl2gmI997 <br /> i <br />