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e <br /> o D a Equipment 10" Hollow Stem Auger <br /> a E 25.85 w <br /> 4 4 o vs Elevation Date 11 2j, 1/86 <br /> Laboratory Tests <br /> EBROWN TO DARK BR0WN <br /> 17 14.D. <br /> SILTY CLAY (CH) <br /> r very stiff, moist, trace <br /> i organics <br /> PH = 8.2 BROWN & TAN SANDY CLAY (CL) <br /> Conductivity = medium stiff, saturated, <br /> 4100 u mhos/cm. 5 1100 X500 -- strong gasoline odor at 5 Feet <br /> Sulfate= 22000 ppm 11/21/86 at 1100 hours <br /> Chloride = 23 ppm <br /> E <br /> t lo- <br /> Resistivity <br /> ; <br /> 669 ohm-cm 9 N.D. 50 <br /> 15 <br /> BROWN SANDY CLAY (CL) # <br /> 1I eery stiff, saturated <br /> 20 <br /> i <br /> 18 �- <br /> . presence of,sand pockets <br /> at 21 .F.'Feet <br /> i 25 - <br />#r 22 <br /> ' <br /> Bottom of 80rsng 26.5 Feet <br /> *Datum.- -Centerline :of Buthmann and Grant <br /> r .. <br /> G *Line "Road is 27.03 feet USC and GS Datum'. <br /> "The Johnson Gas Tech is a portable vapor <br /> analyzer which measures the presence of 30 <br /> t certain organic.vapors.and is calibrated <br /> { - ;to methane.-- -- - -- <br /> k"Converted to Sta idard Blow Count (N-value) <br /> N D Non ,detectible 1 <br /> 35- <br /> 40- <br /> Harding <br /> 540Harding Lawimn Asnoeiate: LOG OF BORING 1 PLATE <br /> r <br /> r # Enginaors,Geologisis Southland Corporation a <br /> a Geophysicists Tracy; Cal i forni a <br /> f _ <br /> DRAWN .. JOB NUMBER APPROVR) GATE REVISED DATE <br /> t AC 1a040,1J01 .03 5 T 12/86' <br /> ....AS ......... <br /> c , <br />