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Drilling Log <br /> nn� GROUNDwA- ER Soil Boring SB-3 <br /> TECHNOL.Or Y <br /> Project Chevron-S Center, __,h ton owner =nevron See Site M$o <br /> Location 139 South Center, S•. :x ton, CA Proj. No. <br /> 02070 5038 For Boring Location <br /> Surface Elev. Tota; Hole Depth 44 ft. Diameter COMMENTS: <br /> Top of Casing Watel Level initiat 43 ft- Static <br /> Screen: Dia LenDsn Type/Size <br /> Casing: Dia Len;:tn Type <br /> Fill Materia! Pig/Core CME-55/S fit S oan <br /> Drill Co. SES, Inc. Method Hotlow Stem auger/PID <br /> Driller Morris Peterson Log Py Sruce Beale Date 05113194 Permit # <br /> Checked By Ed Simonis License No. RG#4422 <br /> a' O a w C'o Description <br /> o,.. as W o ¢ ,� U (Color, Texture. Structure) <br /> B x In Trace < 10%, Little 10% to 20%. Some 20% to 35%. AnC 35% to 50% <br /> 0 asphalt Over 4" concrete <br /> Brown clayey silty, pebbly SAND (moist, no hydrocarbon odor) <br /> 2 r <br /> CL <br /> • i <br /> 4 4 <br /> SB-3 9 Gray micaceous clayey silty fine SAND (moist, degraded hydrocarbon <br /> B i odor) <br /> li <br /> j � ML <br /> $ 1 I {grades brown) <br /> �O 5a-3 2 Greenish gray and brown silty, sandy, pebbly, CLAY (moist, slight <br /> 0 -10' 1 hydrocart)on odor) <br /> / CL <br /> i <br /> i2 <br /> } Gray sandy silty CLAY (20,20,60) with root casts {moist to very moist, <br /> 143 hydrocaroon odor)) <br /> 56-3 3 <br /> 4.5 -15' 2 <br /> CL <br /> to <br /> 56-3 <br /> 20 1.5 -20• 3 (grades Mottled gray and brownish gray) <br /> 22 I, CL <br /> I <br /> 4 -1 <br /> 06/09/1994 6thJDQ-mar93 Page: 1 of 2 <br />