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C e-+7 2 T!!�i--11 L L Proj. No.: 143143626.131+W1W <br /> SOIL BORING LOG <br /> Project: PG&E Gas Gathering Drilling Contractor: Gregg Drilling <br /> DrillingMethod& E uipment: Hand Auger& Mark M5T Rhino, Geoprobe Logger: T. Poe <br /> Sam le Soil Description Comments <br /> o PID ;Soil name, uscs group symbol,color, Depth of casing, drilling rate, <br /> !� m a a Reading :moisture content, relative density or :drilling fluid loss,tests and <br /> > (ppm) consistency, soil structure, mineralogy :instrumentation <br /> % t 0 � <br /> CL aD E -a c°> w <br /> in U Z co Cr <br /> Elevation: 'Location: Thornton Boring No. 20 PZ-2 <br /> Start: 11/26/97 Finish: 11/26/97 ;Water Level: <br /> Sheet 1 of 1 <br /> I 0 iFILL:CLAYEY GRAVEL(GC) ;Hand augered to 5 feet <br /> -SANDY SILT(ML),very dark gray(10YR,3/1), •. <br /> X <br /> 1,20-30%sand,micaceous,fine to medium grained, <br /> i ! 0 i moist <br /> !SILTY SAND(SM),brown(10YR,4/3),moist, i <br /> I I -j - <br /> micaceous,30%fines <br /> _- <br /> 5.0 I ! <br /> I ;2.0/3.01 <br /> i LEAN CLAY(CLI very dark gray(10YR,3/1),low- <br /> ? ! I plasticity fines,moist,firm,some root holes,no odor <br /> I I - <br /> t@9:grades to dark greenish gray(5GY,4/1), <br /> i !increasing plasticity,medium plastic,roots <br /> 10.0 j 14.0/5.01 1 <br /> I i !CLAYEY SILT(ML),dark greenish gray(5GY,4/1), <br /> i I -medium plasticity,roots,30-40%clay,micaceous _! <br /> :3.0/3.01 I - <br /> I I ' ; -Collected grab groundwater sample <br /> 15.0 1(Petrosense=4.8 ppm) <br /> ilk <br /> BORING TERMINATED AT 15 FEET _ <br /> BORING CONVERTED INTO PIEZOMETER <br /> 20.0 <br />