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JOB CLIENT LOCATION <br /> EA ENGINEERING, EXX-73R I EXXON STOCKTON <br /> IMSCIENCE <br /> .AND DRILLING AND SAMPLING METHODS <br /> TECHNOLOGY, INC_ <br /> 11 inch hollow stem auger, 2 inch split spoon sampler <br /> LOG OF SOIL BORING MW 10 Spectrum <br /> Coordinates: 121 19' 08" west #DA <br /> RILLING <br /> 37 59' 13" EATER LEVEL 23.1 1 23.1 B FINISH <br /> TINE 18:15 12:15 <br /> Elevation top of casing: 8S1 ttmsl DATE 4/8/88 4/11 /88TIME TIME 15:00 <br /> Casing belowsurfece:0.49 ft. REFERENCE DATE <br /> T of C T of C 4/8/88 <br /> LLIJ = J a = SURFACE CONDITIONS Paved with asphalt <br /> w F a acs <br /> o w w U-j Q O <br /> m n o _ cis DESCRIPTION by Peter Kahn <br /> :J:J:J:J:J asphalt 4 in <br /> r—� <br /> 1 gravel 8 in <br /> J.GC <br /> J.. clay with gravel and sand (GC)dark brown,dry, no odor,fill <br /> 2 <br /> material <br /> .. J:J:J:J:J <br /> 4 :J:J:J:r•J <br /> clayey silt (MH) dark brown,very stiff <br /> _ K15 <br /> 5 clayey silt (MH) dark brown,some sand, gummy <br /> 4 <br /> 28 6 silt (MH) brown,with some clay,stiff.no odor,PID = 0 Ppm <br /> NII <br /> 8 <br /> 9 <br /> to 8 10 <br /> 15 19 1 <br /> t 9 fine silty sand (SC) intercalated with dark brown silt <br /> 2 SC . no odor, PID= 0 ppm <br /> 3 <br /> 4 silt (ML) brown with some sand and clay, stiff,red mottling <br /> (FeOx) no odor,PlD = 0 ppm <br /> 5 <br /> to s s.s <br /> 15 16 -` <br /> 1 <br /> 6 ML <br /> 7 <br /> 7 <br /> 8 <br /> 9 <br /> 20 <br /> Page of <br />