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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-2 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 />- - <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 />SB2 <br />/A <br />SB2 <br />/B <br />SB2 <br />/C <br />SB2 <br />/D <br />7 <br />29 <br />22 <br />11 <br />22 <br />29 <br />8 <br />18 <br />18 <br />17 <br />22 <br />20 <br />3.5' <br />TO <br />5.0' <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 />18" <br />18" <br />18" <br />0 — <br />— <br />— <br />-- <br />— <br />5 --SILTY <br />--brown, <br />CLAY:Organic, light <br />soft, dry (CL) <br />— <br />— <br />— <br />— <br />-- <br />— 0 <br />-- <br />NO <br />GASOLINE <br />ODOR <br />NO <br />GASOLINE <br />ODOR <br />NO <br />GASOLINE <br />ODOR <br />' NO <br />GASOLINE <br />ODOR <br />— <br />— <br />20 --dry <br />— <br />25 — <br />-- <br />30 -- <br />-- <br />— <br />--Grades <br />--(hard <br />10 --SILTY <br />--hard, <br />15 --SILTY <br />--medium <br />--SAND:Clean, <br />--light <br />--TOTAL <br />much harder, <br />pan) <br />CLAY:Light brown, <br />dry (CL) <br />CLAY:Light brown, <br />hard, dry (CL) <br />well sorted, <br />brown, medium hard, <br />DEPTH: 20.0' <br />-- <br />-- <br />— 0 <br />— <br />-- <br />-- 0 <br />-- <br />-- <br />-- <br />— <br />— 0 <br />— <br />— <br />— <br />__ <br />-- <br />__ <br />— <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