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i <br /> CHRONOLOGY <br /> J. 110 W. Turner Rd. <br /> Lodi <br /> SITE CODE: 1741 <br /> ,1/23/87 Two 18, 000 gals,. UST removed under permit and <br /> inspection by IPHS/EHD. Tanks #1 and #2 <br /> previously contained. diesel. Soil samples <br /> collected from beneath the tanks for analyses. <br /> 1/27/87 Soil results for soil samples collected from <br /> tank #1 and #2 ND. <br /> 2/13/87 Two 18, 000 gals;. UST removed under permit and <br /> inspection by ! PHS/EHD. Tanks #3 and #4 <br /> previously contained diesel. Soil samples not <br /> collected due ' to rain and poor field <br /> conditions. <br /> i <br /> 2/17/87 Soil samples collected beneath tanks #3 and <br /> #41 diesel contamination observed in samples I <br /> and pit. Overexcavation of contaminated soil <br /> initiated this date. <br /> 2/25/87 Excavation soil samples collected from pit <br /> indicated diesel present, overexcavation <br /> continued. <br /> 5/14/87 Overexcavation 'completed by Kleinfelder and <br /> Associates and confirmation sampling of final <br /> excavation conducted. <br /> 5/18/88 U.A.R. and Prop. 65 filed by PHS/EHD due to <br /> diesel contaminated soil documented during <br /> closure of tanks #3 and #4 . <br /> 3/2/90 Site entered into L.O.P. <br /> 8/7/90 A proposal to conduct a groundwater <br /> investigation received and reviewed by <br /> PHS/EHD. <br /> 10/12/90 PHS/EHD issued 'monitor well permits #90-2739 <br /> and #90-2740 for on and off-site work. <br /> 11/1/90 Three monitoring wells installed under <br /> inspection <br /> 1/28/91 ESE's Site Assessment Report received and <br /> reviewed by PHS/EHD. Low concentrations of <br /> diesel found in` MW#1 (2ppb toluene) and MW#2 <br /> (lppb toluene) , ' samples collected 11/5/90. <br /> :5/6/92 PHS/EHD reviewed site information with <br /> i <br />