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C,eOt09!CJC TCChA cs 19C. <br /> ' 1 101 7"'Street <br /> Modesto,California 95354 <br /> (209)522-4119/Fax(209)522-4227 <br /> 1 Report <br /> Soil Gas Survey <br /> Aboveground Storage Tank Site <br /> ' Ted Peters Trucking Co., Inc. <br /> 1985 Yosemite Ave. <br /> Manteca, California 95336 <br /> Project No 7012 <br /> ' July 23, 2002 <br /> EXECUTIVE SUMMARY <br /> ' The site is located on the northern side of Yosemite Avenue, within the city limits of <br /> Manteca, California (see Figures 1 & 2) The property is owned by Ted Peters Trucking <br /> and is operated as a commercial trucking facility A soil gas survey was conducted on site <br /> from May 23 through June 13, 2002 The purpose of this survey was to <br /> 1 Determine the extent of the petroleum hydrocarbons in the vicinity of well MW-7 <br /> ' 2 Charactenze the type of petroleum hydrocarbons in the vicinity of well MW-7 <br /> ' This work was intended to satisfy the requirements of the Regional Water Quality Control <br /> Board-Central Valley Region's October 1, 2001, directive for a revised work plan to define <br /> the lateral extent of the groundwater plume <br /> ' The soil gas survey data show the following <br /> ' 1 There are low concentrations of petroleum fuel contamination in the soil on the <br /> northwest corner of the property These concentrations extend off site to the west <br /> 2 A distinct node of gasoline and diesel range hydrocarbons is present approximately 75 <br /> ' feet northeast of well MW-7 <br /> 3 MTBE is not present in the soil vapor above the detection limit of the GoreSorber <br /> Methodology <br />