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A a ' <br /> 4 <br /> • m ` a a Equipment 10" Hollow Stem Auger <br /> 0 0 • -- _ -- <br /> e ` U n 26.89 11/24/86 <br /> a. o a r a n Elevation Dat , <br /> Laboratory Tests m z 0 <br /> 6R0'.!N SILTY CLAY (CL) <br /> stiff, moist i <br /> PH = 8.0 �I I <br /> Conductivity <br /> 3300 p mhos/cm 12 N.D. N.D. <br /> Sulfate = 26000 ppm — 11/24/86 at 1030 hours <br /> Chloride = 5 ppm becomes saturated below S Feet <br /> BROWf4 SILTY SAND (SM) <br /> medium dense, saturated <br /> Resistivity — 12 N.D. N.D. <br /> 921 ohm-cm 10 LIGHT BROWN SILTY CLAY (CL) <br /> very stiff, moist <br /> F <br /> 17 1S <br /> trace of calcite <br /> 7 at :1.18.5 Feet <br /> 20 <br />' Bottom of Boring 20.0 Feet <br /> . _ <br /> 25- <br /> 30-; <br /> 5 30 'F <br /> 35 <br /> 40 # <br /> { Harding Lawson Assoeiatss LOG OF BORING' 3 PLATE <br /> Engineers, Southland Corporation <br /> 1-i 2OF 8 Geophysicists <br /> Tracy, California <br /> DRAWN JOB NUMBER APPROVED DATE REVISED DATE <br /> AC 18040,001 .03 S75 ' 12/86 <br />