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C <br /> JOB I CLIENT LOCATION <br /> EA ENGINEERING, EXX-73R EXXON STOCKTON <br /> S CIENGE.AND DRILLING AND SAMPLING METHODS <br /> TECHNOLOGY, INC. <br /> 1 1 inch hollow stem auger,2 inch split spoon sampler <br /> LOG OF SOIL BORING t �W 10 Spectrum <br /> Coordinates- 121 19' 08" west WATER LEVEL 23.1 1 23.18 DRILLING <br /> 37 59' 13 ' START FINISH <br /> TINE 18:15 12-1 <br /> Elevation top of caging- 8S1 ftmsl DATE 4/8/88 4/1 1188 TIME 9.45 T 15:00 <br /> Casing belowsurlace 0 49 ft REFEFiENC� DATE DATE <br /> T of C T of C 4/8/88 4/8/88 <br /> MM uUC U SURFACE CONDITIONS Paved with asphalt <br /> U, Co cn 0 0 — DESCRIPTION by Peter Kahn <br /> 0 1-J J-J.1 asphalt 4 in <br /> J. gravel 8 in <br /> ,! G C <br /> J 1 <br /> 2 clay with gravel and sand (OC)dark brown,dry, no odor,fill <br /> 1 1 J.J <br /> '11111 material <br /> 111 J_,l <br /> 3 1-.l41 <br /> X1111-,1 <br /> 4 11111 <br /> clay eq silt(MH) dark brown,very stiff <br /> 18 12 5 clayey silt (MH) dark brown,some sand, gummy <br /> 15 24 <br /> 28 6— <br /> silt(MH) brown,with some clay,stiff no odor,PID = 0 ppm <br /> 7— MH <br /> 8 <br /> 9 <br /> 18 8 <br /> 15 19 <br /> 19 - ' fine silty sand (SC) intercalated with dark brown silt <br /> 2 SC _ no odor, PID= O ppm <br /> 3 silt (ML) brown with some sand and clay, stzff,red mottling <br /> 4 (FeOx) no odor,PID = 0 ppm <br /> .55 S 5 <br /> 18 15 16 ML <br /> 17d - 7 <br /> 8 <br /> 9 <br /> 20 <br /> Page of <br />