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TABLE 2 <br /> SUMMARY OF SOIL VAPOR SURVEY RESULTS <br /> MANTECA, CALIFORNIA <br /> Soil Vapor Depth TPH-G <br /> Point feet PPBv <br /> SG-1 9 25,000 <br /> 15 ND 500 <br /> SG-2 9 11,000 <br /> 15 1,700 <br /> SG-3 9 ND 500 <br /> 15 ND 500 <br /> SG-4 9 ND 500 <br /> 15 26,000 <br /> SG-5 9 9,000 <br /> 15 ND 500 <br /> SG-6 9 ND 500 <br /> 15 600 <br /> SG-7 9 ND 500 <br /> 15 ND 500 <br /> SG-8 9 ND 500 <br /> 15 ND 500 <br /> SG-9 9 ND 500 <br /> 15 ND 500 <br /> Notes <br /> 1 ND X denotes not detected to a reporting limit of X <br /> 2 PPBv denotes parts per billion volumetrically. <br /> 3 TPH-G denotes total petroleum hydrocarbons as gasoline <br /> 0 <br /> CanoftwErivironmental <br /> PL11+V191 6341tab1eslco11ins2 tb2 [September 17, 19921 <br />