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- <br /> 77777, <br /> 110.1 7`b street <br /> Modesto,Clifomia 95354 t <br /> " <br /> (209)522-41.19/Fax(209)522-4227-: <br /> deport <br /> { <br /> Will Abandonment':;,:a:. : <br /> Cityof sca on <br /> Former Arco Gas Mini.Mart:. , <br /> 1305.Escalon A've: <br /> Uscaloii,.California,. <br /> project No 989:2 <br /> .':.January 1'2, 2006-,'-`-- <br /> . .......... . <br /> 1.0 INTRODUCTION " <br /> - The City of-Escalon site (COE)``is located. at 4305 Escalon'Ave; Escalons California in the <br /> 'Highway 120/McHenry Avenue Improvement""Project .Figure 1 is a vicinity map and Figure 2 is <br /> a site map., This property was previously an Arco..Gas,and Mini Mart.: . . <br /> Previous work at this site,_performed-between-1996-and 1999, includes two limited soil borings, <br /> soil sample analysis, and the removal of the­USTs and pump islands. During removal-activities. <br /> soil samples were collected which showed.the presence of BTEX,TPH-G and MTBE. <br /> L: On February.12 and 23, 1999 Geological Technics Inc (GTI) drilled six boreholes,collected soil <br /> and groundwater samples (including one.: groundwater sample from each borehole' via <br /> hydropunch methods) and tested these.:samples for petroleum hydrocarbons. Analytical results <br /> show the presence of BTEX,: TPH-G and.:oxygenated -fuel-;compounds in- the soil and <br /> groundwater. <br /> From April sof 1999 through January of 2000 three groundwater monitoring wells and four vapor <br /> extraction wells were installed on the site. Soil samples collected during the drilling of these <br /> wells show low to moderate levels of BTEX, TPH-G,MTBE and TBA.in MW-I.;Low levels of <br /> MTBE were detected in MW-2.' Soi'Is amples collected.from VEW-1 ahowed,low. levels of <br /> Xylene and MTBE. . <br /> Y On June 12, 2000, GTI and Del-Tech.Geo':Technical (Del-Tech) performed-a-Yapor extraction' <br /> pilot test at the.site. Laboratory_and field test results' ndicate'the-site is conducive to remediation <br /> r'�✓. by:vapor extraction. <br />