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��— Geological Audit Services, Inc SORI ,/G LOG <br /> Yorba Lyda Slo# McKibben <br /> Field Geologist page 1 Of 2 <br /> Project Name Pacific Gas Drilling Co V,5-' W Drilling Date 11-3-93 <br /> Project Number GeoAudlt 552-S Auger`f�pe g° H S Boring I D $-11 <br /> 1 Well Sample Blow OV Group <br /> Design Depth l4entification Couata Reading Symbol Sotlllescrfgtlan <br /> ' Surface grade,bottom of excavation,4 1/2 feet <br /> No sample collected,backfill material <br /> 10 NIS --- --- <br /> --- --- - -- --- - -- - -- - - -- - - -- - - -- - -- -- <br /> 13 <br /> 1311-15 19 0 ML Gray-brown,dry,silt,no hydrocarbon odor <br /> 22 <br /> 1 8 <br /> 20 B11-20 10 fl ML Medium brown,slightly moist,clayey silt, no HC odor <br /> 13 <br /> tz 0 <br /> z g <br /> W <br /> �p Bl l-25 11 0 ML Brown,slightly damp,clayey silt,white mottling,no HC odor <br /> 15 <br /> 8 <br /> 30 $31-30 11 0 ML Brawn,slightly moist,clayey silt,minor white mottlling, <br /> 13 no HC odor <br /> ' 11 <br /> ' Bl 1-35 25 0 ML Brown,damp,clayey silt, minor white mottling, gray patching, <br /> 28 no HC odor <br /> ' 10 <br /> 40 B11-40 17 0 ML Gray,slightly damp,silt,slight HC odor <br /> 21 <br />