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4 <br /> LOG-OF-BOREHOLE <br /> PROJECT Spreckels Sugar Tracy—UST Investigation JOB# 350-006-003 <br /> LOC OR COORDINATES NIA DATE 10/21/03 BOREHOLE BNK1 <br /> GROUND ELEV NIA DRILLER Bryan M TIME COMPLETED 10 11AM <br /> TOTAL DEPTH DRILLED 24 feet RIG Geoprobe PAGE 1 OF 1 <br /> TOTAL DEPTH CASED NIA BIT(S) NIA <br /> BOREHOLE DIA 2 Inch FLUID NIA LOGGED BY NAB <br /> CASING DIA NIA <br /> DEPTH MATERIAL USCS TOV DESCRIPTION AND COMMENTS <br /> (ft) Classification my <br /> 0-- 1 Fill NIA NIA Mix of base material and asphalt mix and sod <br /> 5 Dk grey low ML 43 No discoloration or staining <br /> plasticity silt <br /> 10 Dk grey low ML 1 8 No discoloration or staining Black organic matter from 8 feet t <br /> plasticity silt 9 feet <br /> 15 Dk grey low ML 226 Hydrocarbon odor Black organic matter from 13 feet to 14 feet <br /> plasticity silt <br /> 20 Dk grey low CL 72 No odor or discoloration <br /> plasticity clay <br /> 24 Brown fine silty SM NIA Groundwater at 16 feet <br /> sand <br /> Total depth of 24 feet PVC casing installed Groundwate I <br /> sam le collected by bailer Hole abandoned with neat cement <br /> 1 <br /> Notes <br /> BNK1 is located approximately 60 feet north and 30 feet east of the northwest corner of the former bunker <br /> i%Impenal%Spreckels4TracylUSTs%BOREHOLE BNK1 doc <br />