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rrj - 1,1� 253fu <br /> DU PONT ENVIRONMENTAL. REMEDIATION SERVICES <br /> VW-31 CLIENT CONOCO INC. <br /> BORING NUMBER PIERSON DRILLING <br /> PROJECT STOCKTON DRILLINC COMPANY r <br /> 4325 FAST WASHINGTON STREET DRILLING METHOD a„Off HOLLOW STEM AUGER <br /> LOCATION CA SPLIT SPOON SAMPLER <br /> DATE DRILLED 10-2-OP and 10-3-81SAMPLING METHOD <br /> LOGGED BY . <br /> J.A. LEHRNAN TOP OF CASING ELEV. 27 Feet MSL <br /> ty (3 n - WELL DIAGRAM <br /> r q a Z �, } a u DESCRIPTION AND REMARKS <br /> u a o a <br /> U N 4 la O <br /> _.-- s <br /> 31-8 80 1018 0 SILTY SAND- brown,very dense,moist,fine to very < < <br /> CA fine grained,no hydrocarbon odor. <br /> y y <br /> 45 ❑ 31-9 73/6" 010 0 No recovery. ,r <br /> Mt <br /> v � <br /> < < <br /> < < <br /> = 31-10 5015" 11140 90 CLAYEY SILT -frown,hard,moist.some sand,very < < <br /> CA <br /> one grained, strong hydrocarbon odor. <br /> U < < Q: <br /> SM o <br /> v { { <br /> 55T < <br /> 31-II 60 58118 26 SILTY SAND- Prown,very dense.moist,very fine to U <br /> line grained,hydrocarbon radar. <br /> CA < <br /> v v <br /> ---- <br /> i < <br /> SP V <br /> �� v <br /> GRAVELY SAND-Light brown,very dense,moist, < < <br /> = 31-12 5016" 12/9 3 ' <br /> nedium grained,subrounded to subangular, v <br /> hydror.arbon odor. < { <br /> ! Y <br /> 65 ❑ 31-13 73/6" 612 2 As:::rove,hydrocarbon odor. Hol enough recovery for _ <br /> analytica'sample. <br /> --------------- <br /> ML W <br /> 7011 <br /> 31-14 50-5" 12111 12 CLAYEY SILT -Redtiish brown,hard,moist. some black 4 z <br /> CA carbonaceous inclusions,no hydrocarbon odor, w _ o <br /> tn ru m <br /> u — w <br /> CL <br /> C ti <br /> 75p = <br /> = 31-i5 86 18/S8 15 CLAYEY SILT -grown,hard,moist,some sand,'very 6 _ w <br /> fine grained,no hydrocarbon odor. <br /> n <br /> _ <br /> 5M ----------------- <br /> o <br /> - o ,,.. <br /> 8� Page 2 of 3 ' <br /> --- <br /> JOB NLyBEFl:400511-SA-_ _._----- --_...-- -.----._-- <br />