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3 1 <br /> t' • , ' T , tit <br /> P{t.QpLEM ASSESSMENT RI:POA� <br /> • Shell Service Station <br /> 7910 Lower Sacramento Road,Stockton,California <br /> ++ Shall WIC No.204.7524-0806 <br /> i f Delta Project No.40-68-147 a " <br /> Fage 3 <br /> A Phase 1 Hydrogeologic Assessment Work Plan,dated March 31,1989,was prepared by Delta alW submitted �. <br /> to SJLHD for approval <br /> f l:., <br /> E.• A Phase I Hyp vgeologic Assessment Report,dated October 20, 1989,was prepared by Delta and submitted # ' <br /> 5>: to the SJLHD. This report contains information pertaining to soil sampling results collected during L.-c' <br /> S advancement of six soil borings and water sampling results;from three of the soil borings oompieted as ;a <br /> monitoring wells. <br /> 2,2_Well Imetttory ` <br /> An inventory of existing domestic and municipal water supply wells near the site wu initiated on t. <br /> February 2Z, 1989, by a Delta representative at the California Department of Water Resontr:es (DWR): <br /> According to DWR records,25 water supply wells are present within a 1.2-mile-radius of the site., 4W, <br /> w fs <br /> .. l�J 2.3 Slte l3lstury � „ !t x , r<. '�' � •'u <br /> Records from the San Joaquin County Assessor's office indicate that the site.Parcel No.is 077-330-4911!and <br /> Int that the land is owned by Y. C. Soda Shell owns the station building, underground storage tanks and <br /> piping. Mr. John Kindrick is the current station operator and has leased the facility 1".Shell for. <br /> approximately 11 years <br /> 8 A precision tank test was performed during the summer of 1987 by Hunter,Environmental on the .hrec i 4 <br /> former underground storage tanks. The results,as disctLssed with the owner,did not indicate a problem with <br /> "- i•° the tightness of the tanks. However,due to the age of the steel underground storage tanks,Shell decided;' <br /> c }'" to replace them with fiberglass tanks in December 1988 �fy�33 .� J. <br /> i 61 On December 20, 1988, four steel underground storage tanks were excavated and removed from the site-, t r• <br /> A tank closure report detailing tank removal activities was submitted to the SJLHD in April 1959. Three' �} <br /> new 10,000•gallon double-walled fiberglass underground storage tanks were installed oit December 22,19$8 <br /> „ Tank sizes,typ< of product sturetl,age,and tank construction data are presented in Table ! f li <br /> 7 , <br /> ZA <br />