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11/07/90 10:47 $510 842 8370 CHEVRON L1,S.AA 0008/031 NI <br /> V C U <br /> EA ENGINEERING, CLIENT STATION# LOCATION <br /> SCIENCE,AND Chevron USA Inc. SS 9-191 H 45 E. Harding Way <br /> TECHNOLOGY, INC. Stockton,California <br /> SAMPLINGi-LINO AND ME1 HODS: otary ri (ACKEI777,71 m. <br /> LOG OF SOIL BORING:MW4OD hollow stem auger and 2 in. modifled California Split spoon sampler <br /> 1 ,' <br /> with brass liners: 057: 512268 <br /> Coordinates: N 37 58' 02" WATER LEVEL 36.0 36.34 DRILLING <br /> W 121 1740' TIME11:20 START FINISH <br /> Elevation top of casing: 13.24 ft l TIME 11:00 TIME <br /> DATE 11-9 11.15 13:15 <br /> Casing below surface: 0.49 ft 11-1 REFERENCE grnd 7 of C DATE 11.9 88 DATE 11 s fla <br /> Inces <br /> c y a ! SURFACE Vacant lot with uneven, gr Td soil <br /> j a WELL DEPTH ! RAPHIC CONDITIONS <br /> O d. DETAIL (Feet) LOG <br /> g 0 m w ¢ DESCRIPTION by: Jan Stepek <br /> C a:?•d•a <br /> .: Gravel fill , dry, <br /> .�r.s•� <br /> 3 .add> <br /> 4 <br /> J <br /> 18 12 1s o Silty clay, brown, moist, no odor <br /> 22 6 / <br /> 7 > <br /> 8 , <br /> 9 <br /> 3 10 <br /> 18 13 0 <br /> 7 l <br /> 14 1 1 ([ <br /> 12 <br /> 13 <br /> 14 <br /> 18 12 <br /> 6 15 <br /> 17 16 -- <br /> 17-- <br /> 18 <br /> 61718 <br /> 19-- <br /> 20 -1. <br /> 9 217 <br /> Page 1 of 2 <br />