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Chronology <br />Former Tracy Diner/Panetta` Property <br />95 West 11th Street, Tracy, CA. 95376 <br />05/04/00 Due to a proposed property transfer. an Environmental Assessment was <br />N <br />conducted because the property reportedly was a former gas station. Four probe <br />borings B-1 through B-4 were placed onsite this date. Soil and grab groundwater <br />samples were collected to be analyzed for petroleum. Hydrocarbon odor and <br />discolored soil were observed. <br />05/10/00 An Unauthorized - Release Reportand a Notification of Hazardous Waste <br />09/15/03 Monitoring wells MW -1, MW -3- and MVI! -4 were destroyed this date in preparation <br />for soil excavation. <br />Discharge were filed on this date. <br />06/29/00 <br />The site was -placed in the local Oversight Program on this date. <br />09107/00 <br />The date the Environmental Health Department (EHD) received Advanced <br />GeoEnvironmental's (AGE's) Preliminary Site Assessment Report dated August <br />24, 2000 that includes the laboratory "results of the soil and. groundwater samples <br />collected May 4; 2000. <br />10/04/00 <br />The date the EHD provided Public Notification as part of the Public Participation <br />requirements for the proposed corrective action of soil excavation and removal. <br />10/23/00 <br />Soil excavation :began th'is.date. Groundwater was present in the excavation- at <br />15 below ground surface. .Petroleum odor and soil discoloration were noted. <br />Er <br />to Forward Landfill under manifest on <br />11/09/00 <br />236.5 metric -tons of soil was transported <br />this date. <br />11129-30100 <br />Monitoring wells MW -1 through MW -5 were installed during this time. <br />01/29/01 <br />The date of AGE's Interim `Soil Excavation and Quarterly Report — Fourth <br />Quarter 2000 that discusses the excavation and disposal of the contaminated <br />soil and installation of MW -1 through MW -5 during October and November 2000. <br />07/22/03 <br />Five soil borings B6 through B9 were placed on City of Tracy easements west of <br />the site. Details of the work and sample results are in AGE's Quarterly Report — <br />Second Quarter 2003, dated August -18,' 2003. <br />09/11/03 <br />The date the EHD provided Public Notification for a second phase of soil <br />excavation and -removal. <br />09/15/03 Monitoring wells MW -1, MW -3- and MVI! -4 were destroyed this date in preparation <br />for soil excavation. <br />