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: <br /> JOB A. CLIENT LOCATION <br /> EA ENGINEERING, c14v72Q I+ Chevron,USA Stockton,Ca i; <br /> SCIENCE.AND DRILLING AND SAMPLING METHODS 8.5 inch hollow stem auger with <br /> TECHNOLOGY, INC_ <br /> a 2.5 inch split spoon sampler. _ <br /> LOG OF SOIL BORING EA4 Driller Kvilhuag Ca St Lie No 482390 <br /> Coordinates: 121 58'30"west DRILLING <br /> 37 14'50" north WA7>=R LEYQ.. 38.95 45.53 START FINISH <br /> Elevation top of casing: 25.73 ft. TIME 14:15 8:15 <br /> [TIME 11 :10 TINE <br /> 13:30 <br /> o.7 ft. DATE " 2/10/88 2/11/88 <br /> Casing belowsurface: REFERENCEvATE,i DATE <br /> T of C T of C 2/10/88 12/10/86 <br /> c —, SURFACE CONDITIONS unimproved fill <br /> z. � a a 0 SCS <br /> 2 w CL ll! us W " Q O <br /> �¢ m cn o n DESCRIPTION by Jan Stepek , <br /> fill <br /> X <br /> 2 black silty clay (OL) moist <br /> � � � � <br /> 3 ' ' OL ' <br /> 4 „ <br /> 16 sandy clay (CL). brown moist with some pebbles,no odor,' <br /> 18 5 6 OVA=O ppm . <br /> 10 <br /> 15 6 <br /> 7 CL <br /> $ <br /> 7.6 'f 0 <br /> 2s <br /> X-25— 1 silt (sM)with fine sand and clay.dry. no odor;:OVA= 0 ppm <br /> white i salt deposits in veins <br /> 2 <br /> 3 <br /> 4 <br /> SM: <br /> i8 1 5 same as above, no odor, OVA=0 ppm <br /> 13 10 6 <br />`. 15 IG <br /> 15 7 <br /> 11 9 <br /> 20 <br /> Page 1 of 4 <br />