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PROJECT NAME/LOCATION: <br />SHELL STATION <br />4215 WATERLOO ROAD <br />STOCKTON, CA <br />PROJECT <br />NUMBER: 89-047 <br />BORING <br />NUMBER: SB-12 SHEET 1 OF 1 <br />CONTRACTOR: <br />B + F DRILLING CO. <br />DRILLING <br />METHOD: HSA 6" <br />DRILLER: <br />BOB GANSBERG <br />DRILLING <br />RIG: MOBIL B61 <br />LAND OWNER: <br />SHELL OIL <br />START DATE: , <br />TIME: <br />COMPLETED: - - <br />TIME: <br />L <br />E <br />STSNBC <br />AYAULO <br />MPMMOU <br />PEPBWN <br />LE <br />ER <br />TLA <br />SELE <br />SI <br />AN <br />MT <br />PV <br />SR <br />AE <br />PO <br />LV <br />MCDEPTH <br />(ft.) <br />DESCRIPTION OF MATERIALS <br />AND CONDITIONS <br />Surface: 4" ASPHALT, 4" AB <br />PID <br />(PPm) <br />GENERAL <br />OBSERVATION <br />NOTES <br />2.5 <br />0.D <br />SS <br />" <br />" <br />" <br />" <br />SB <br />12/ <br />A <br />SB <br />12/ <br />B <br />SB <br />12/ <br />C <br />SB <br />12/ <br />D <br />10 <br />19 <br />20 <br />7 <br />12 <br />25 <br />5 <br />7 <br />8 <br />7 <br />8 <br />8 <br />3.5' <br />to <br />5.5' <br />8.5' <br />to <br />10.0' <br />13.5' <br />to <br />15.0' <br />18.5' <br />to <br />20.0' <br />18" <br />" <br />" <br />" <br />0 — <br />— <br />-- <br />-- <br />-- <br />— <br />— <br />— <br />— <br />— <br />— <br />- <br />— <br />- <br />25 — <br />— <br />30 — <br />— <br />- <br /> <br />5 ---,SILTY <br />--medium-hard, <br />--SILTY <br />--soft <br /> <br />10 --SILTY <br />--medium-hard, <br /> <br />15 --SILTY <br />--soft, <br /> <br />20 --SILTY <br />--soft, <br />--TOTAL <br />CLAY: Dark brown, <br />dry (CL) <br />CLAY: Light brown, <br />(CL) <br />CLAY: Light brown, <br />dry (CL) <br />CLAY: Light brown, <br />dry (CL) <br />CLAY: Light brown, <br />dry (CL) <br />DEPTH = 20 FEET <br />-- <br />-- <br />-- <br />-- <br />-- <br />-- 41 <br />-- <br />—65 <br />— <br />— <br />—59 <br />— <br />— <br />-- 0 <br />-- <br />— <br />— <br />— <br />-- <br />— <br />-- <br />— <br />— <br />-- <br />-- <br />— <br />-- <br />— <br />-- <br />— <br />Mild odor <br />(fresh gas) <br />Moderate <br />odor <br />Moderate <br />odor <br />No Odor-13.5 <br />Feet <br />No odor <br />No odor <br />Field Notes: <br />SS = Split Spoon Sample <br />All borings backfilled to surface with <br />cemented sand slurry. <br />Aegis <br />Environmental <br />Consultants <br />Logged By: MIKE NARMI