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11/07/96 1n 49 U510 842 4370 CHEMIN U 5 4 471kill/Us1 <br /> EA ENGINEltiR61VG, CLIENT STATION # LOCATION <br /> SCIENCE AND Chevron USA Inc SS 9-1918 on,C g way <br /> St <br /> TECHNOLOGY INC Stockton, aldornna <br /> N otary re ( with 1 0 in <br /> LOG OF SOIL BORING.MWS OD hollow stem auger and 2 in modified California Spld 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" START FINISH <br /> Elevation top of casing 13 22 ft TIME 1130 TIME $ 50 TIME 13 30 <br /> DATE 11-10 11-15 <br /> Casing below surface 0 23 ft REFERECE grind T of C DATE,i-10-8a DATE11 10.88 <br /> nines <br /> m a Vacant lot with uneven, graded soil <br /> > > WELL DEPTH 3RAPHIC CONDITIONS <br /> � <br /> S M o DETAIL (Feet) LOG DESCRIPTION by T R Winsor,- <br /> a <br /> Dusky yellow brown clay with fragments of silt <br /> 3 <br /> 5 4 <br /> i8 15 13 0 <br /> 19 1 Yellowish brown silt with fine mica and odd vesicles, <br /> 6 minor clay content but is friable <br /> 7 <br /> 8 <br /> 18 15tA <br /> 10 <br /> Yellow brown clay with little silt or sand,very plastic, <br /> 11 damp, no odor <br /> 12 <br /> 13 <br /> 18 is 17 10 14 <br /> 25 15 <br /> Yellow brown friable clay, with rare sand grain and <br /> 16 Mn02 or Fo oxides disseminated throughout, white <br /> local mottling to clay <br /> x 17 <br /> 18 Clay has become more silty <br /> 1n 19 Very fine grained sand to silt, approximately 10% clay <br /> i6 15 12 as a binder, approximately 10% fine quartz sand grains <br /> 20 <br /> '"" Page 1 of 2 <br />