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Analytical Laboratory Results <br /> (parts per million) <br /> O LOG OF <br /> p i <br /> 'MATERIALS DESCRIPTION B�I"M�N41�+ SG <br /> ao m w o c}n; 1 <br /> ASPHALT.CONCRETE ROSD WITH SUBGRADE <br /> BLACK SILTY CLAY(CL-ML) <br /> firm,slightly moist,with slight amount of fine sand, <br /> DARK BROWN SILTY CLAY(CL-ML). <br /> firm,slightly moist,with trace of fine sand and faint <br /> hydrocarbon odor <br /> i <br /> <0.5 c0.5 <0.005 <0.005 <0.005 c0:005 5 LIGHT GRAY SILTY CLAY(CL-ML) <br /> firm,slightty moist,with no odor. - <br /> BROWN SILTY CLAY(CL-ML) <br /> firm,"slightly moist,medium plastic,.with some fine sand and <br /> faint hydrocarbon odor. <br /> GREEN BROWN TO BROWN SANDY CLAY TO CLAYEY <br /> SAND(SC-CL) -moist,with strong hydrocarbon odor. <br /> rr c50 21,000 <0.5 <0:5 1.5 11 15 <br /> Strong hydrocarbon odor. <br /> kr <br /> r� <br /> BROWN TO LIGHT GRAY SILTY CLAY WITH SAND(CL-ML) <br /> with strong hydrocarbon odor. <br /> LIGHT BROWN GRAY SILTY CLAY CL-ML <br /> The following"figures are duplicate analyses: ( ) <br /> <5 7,700 <0.05- <0,05.. <0.05: _ 0.4 soft,moist,with trace of fine sand and strong hydrocarbon odor. <br /> <5" 6,700 <0.05 - <0.05 <0.05 0.5 20 <br /> Bottom of Boring at 20 feet <br /> r <br /> 25- <br /> A <br /> . . 30 <br /> CLIENT USPCI Diesel Pipeline DIAMETER OF HOLE 1.5 inches PLATE <br /> LOCATION 6th Street,Stockton,California TOTAL DEPTH OF HOLE 20 feet <br /> JOB NUMBER 159.01.001 TOP OF CASING ELEVATION N/A <br /> GEOLOGIST/ENGINEER P. Lohman DATE STARTED 5/5/92 <br /> B=4 <br /> DRILL RIG Trailer-Mounted Hydraulic Drive DATE COMPLETED 515/92 <br /> iii <br />