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E <br /> 10" Hollow Stem Auger 1 <br /> ° 2e ¢ Q. Equipment <br /> w m <br /> as <br /> E o U a 27.29 Feet 11/24/86 <br /> aCL <br /> =n o n Elevation Date <br /> a <br /> Laboratory Tests m 0 <br /> DARK BROWN SILTY CLAY (CH) <br /> stiff; moist <br /> Resistivity = 8 N.D. } <br /> 1194 ohm-cm ! <br /> 5 LIGHT BRO14N SILTY CLAY (CL) <br /> 4 N.D. N.D. medium stiff to stiff, moist <br /> =11/24/86 at 1200 hours <br /> becomes saturated below 6 Feet <br /> i pH = 7.7 <br /> Conductivity = <br /> 9000 0 mhos/cm 10 <br /> Sulfate = 24000 ppm 10 r4.D. N.O. <br /> Chloride 8 ppm <br /> 15 <br /> i <br /> 26 <br /> a <br /> i 18 20 BROWN SANDY CLAY (CL) <br /> stiff, saturated <br />{ <br /> Bottom of Bari na 20.0 Feet <br /># <br /> 25- <br /> 30- <br /> 35- <br /> 4 <br /> 5 30354 40 <br /> Q LOG OF BORING 4 PLATE <br /> 1 <br /> Harding Lawson Associates <br /> Engineers.Geologists Southland Corporation <br /> &Geophysicists <br /> Tracy, California <br /> DRAWN JOB NUMBER APP OVfD DATE REvtSEO DATE <br /> AC 18040.001 .03 Z3 12/86 <br />