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EARTH _ TREATMENT <br /> SYSTEMS <br /> ENVIRONMENTAL CONSULTANTS TANKS <br /> BDRnC NUMBM M!W- DA= B-8-88 <br /> Project No. _3 0 3 Praject game LATHROP E'�{7{ON <br /> Total Depth . 4!9 ' <br /> Dia. of Hake 6 3/4-Surface Elev. /water i,evel ._1.1 <br /> Drilling Co. OSTERBERG & STEWART Driller ROB <br /> Drilling Method HOLLOW STEM AUGER Geologist <br /> t <br /> Descrzp t:L= <br /> V 2Z 8 a <br /> � I <br /> Asphalt surface <br /> SM Sand , silty, dark brown, moist, gravely <br /> No Lab Sample Collected t <br /> = 3 <br /> • 0 SM and. Silty, brawn, moist, slightly micaceous { <br /> fine grained. Lab Sample Collected <br /> O • 0 SM Sand, silty, <br /> brown, moist, less micaceous , <br /> fine grained . Lab Sample Collected <br /> 4c > sand-clay contact <br /> 300 Sri slightly silty, brown to dray, moist, <br /> 15• � 12 hydrocarbon odor noted <br /> Lab Sample Collected <br /> CL < > clay-sand contact <br /> >2500 SW Sand, coarse, moist, gray, grains up to 4mm <br /> 20 Zb strong odor of hydrocarbons <br /> Lab Sample Collected <br /> _ 5 t4r <br /> 25 ' Sfl CL Clay, sandy, silty, brown. moist, hard <br /> detectable hydrocarbon odor 'c, G <br /> Lab Sample Collected <br /> 9 <br /> _rte. <br />