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K <br /> Y � <br /> EARTH TREATMENT <br /> SYSTEMS <br /> IN -rnrsKs o <br /> 0 <br /> ENVIRONMENTAL CONSULTANTS 0 <br /> Mvi-I <br /> BWiM,,„_.c D <br /> BORIM NUMaM MW-1 DAT- 8-•10-88 <br /> Project No. 30.4_ Project Name _ YOSEMITE -E7(XQN (.HANTFrA) <br /> k-k � <br /> Total Depth 36.0' Dia. of Hole 6 Surf ace Eley /A 44ater Level <br /> Drilling Co. OSTERBERG a STEWART Driller _ ROBERT STEWART <br /> Drilling Method HOLLOW STEN AUGER Geologist ! QLEN WHZTli_ <br /> yg� 1 Z <br /> ar fa c3 <br /> Description <br /> .' <br /> Asphalt surface 1" <br /> i 0 SW Sand, brown, medium grained, moist, well sorted <br /> probable back--fill material <br /> 30 SW ,Sand, .brown, medium grained, moist, well sorted, <br /> uncertain sudor <br /> r Lab Sample Collected <br /> k10 Z (' SD SW Sand, gray, medium grained, moist, uncertain <br /> $ odor (possibly hydrocarbon) <br /> Lab Sample Collected <br /> 3 Sand/silt contact <br /> a15 110 0 HL Silt, gray with brown inclusions, micaceous <br /> 1i 13 firm, moist, non-plastic, no odor <br /> Lab Sample Collected <br /> � <br /> 3 ISO SW Sand, brown, moist, (from top of sampler) <br /> C <br /> L .p' 7 30 HL Silt, dark brown, moist, firm, micaceous <br /> 20 Lab Sample Collected <br /> i' <br /> r <br /> -5' 0 ML Silt, slightly sandy, moist, micaceou tSSrks;. <br /> 1 �1 --.__hydrocarbon._.adar_ <br /> r Lab Sample Collected <br /> SGW) (ground grater encountered 26.5 . <br /> CIVI" <br /> i <br />