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Frank C. Alegre Trucking, Inc. <br /> Lodi, California j <br /> .January 25, 1991 <br /> CHEMICAL ANALYSES OF WATER '�SAMPLES <br /> (reporting units: ugll) <br /> ROUND ONE NOVEMBER 30, 1990 <br /> BORING GAS BENZ TOL E BENZ XYL DIESEL KEROSN OIL <br /> i AM(MW)-1 ND ND ND ND - ND ND ND ND <br /> AM(MW)-.2 ND ND ND ND' ND ND ND ND <br /> AM(MW)-3 ND ND ND ND ND ND ND ND <br /> (for complete analytical report see''Attachment 4. 2) 3 <br /> ROUND TWO JANUARY 2, 1991 <br /> I BORING GAS BENZ TOL E BENZ XYL DIESEL KEROSN OIL <br /> j AM(MN)-1 ND ND ND ND ND ND ND ND <br /> AM(MW)-2 ND ND ND ND RD ND ND ND <br /> AM(MW)-3 ND ND ND ND ND ND ND ND <br /> (for complete analytical report see'IAttachment 4. 2) <br /> 4.3. Interpretation of Results <br /> A review of the chemical analyses of the borings <br /> suggests that contamination of the sitewae not present. <br /> The soil excavation appears to have successfully removed the <br /> contaminated soil from the subsurface. No addition borings <br /> are required to delineate the e plume limit boundaries <br /> adequately. <br /> Maps and a cross section have ibeen prepared in <br /> order to assist in the illustration and interpretation of <br /> the available data. <br /> 4 .3. 1 . Concentration Depth Map <br /> Contour map (Figures 4.2) shows the contamination <br /> concentration at the 40'- 45' depth from' the surface were <br /> constructed from the available data. The chemical analyses <br /> of the soils show that contamination was! not. detected and <br /> remediation is not required. <br /> 4.3.2. Volumetrics of the Plume <br /> The volumetric calculation of the plume is not <br /> applicable. <br /> 4.3.3. Cross-Sectional Profile <br /> With the data available a graphic presentation <br /> (Figure 4. 3) was prepared to portray diagrammatically the <br /> position and occurrence of the soils in ,the cross-sectional <br /> profile view <br /> 4.3. 4. Ground Water Occurrence and Flow <br /> Subsequent to the installation' of the wells Frank <br /> C. Alegre Trucking, Inc. surveyed the wells for relative <br /> -elevations. GeoAnalytical Laboratories 'performed the depth <br /> to water measurements. The ground water level data is <br /> presented in the following table. i <br /> i <br /> GeoPlus Consulting Services <br /> Page - 10 <br /> i <br /> I� <br />