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EA ENGINEERING CLIENT STATION# LOCATION <br /> SCIENCE,AND Chevron USA Inc SS 9-1918 45 E Harding Way <br /> TECHNOLOGY INCStockton, California <br /> MILLING AND SAMPLING METHO — atary drill (ACFM ) with 10 in <br /> LOG OF SOIL BORING MW4 OD hollow stem auger and 2 in modified California Split spoon sampler <br /> with brass liners C57 512268 <br /> Coordinates N 37 58' 02' WATER LEVEL 36 0 3634 DRILLING <br /> W 121 17'40" TIME — START FINISH <br /> Elevation top of casing 13 24 ft 1120 <br /> DATE 1177- 11-15 TIME 1100 TIME 1315 <br /> Casing below surface 0 49 ft REFERENCE grnd T of C <br /> DATE 11-9-88 DATE 11-9-88 <br /> ccn js Z. 4i SURFACE <br /> o � -0 WELL DEPH RAPHIC CONDITIONS Vacant lot with uneven, gr d soil <br /> p DETAIL (Feet) LOG <br /> DESCRIPTION by Jan Stepeic <br /> JA <br /> 0 � <br /> Gravel fill , dry <br /> i dfe� <br /> le f�A� <br /> 2 .V� e'r <br /> �if Af <br /> ��if <br /> -&jf <br /> 3 �&.r <br /> At ArAr�� <br /> r Ar re d <br /> 4 Ar� ejr <br /> difArIf <br /> Af�ifif� <br /> rZ,X d d se <br /> 18 12 is 0 i 7 Silty clay, brown, moist, no odor <br /> 22 6 <br /> 7 <br /> 8 <br /> 9 <br /> 18 13 310 <br /> 7 0 <br /> [_24 <br /> - - - --� <br /> 12-- <br /> 13-- <br /> 14- <br /> 18 <br /> 2131418 12 6 18 <br /> 10 0 <br /> 17 16-- <br /> 17 <br /> 18 <br /> i 19 <br /> 2a <br /> Page 1 of 2 <br />