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Conestoga-Rovers&Associates BORING / WELL LOG <br /> 5900 Hollis Street, Suite A <br /> C a EmeryVille,CA 94608 <br /> ' Telephone: 510-420-0700 <br /> Fax: 510-420-9170 <br /> CLIENT NAME Olympian JV BORING/WELL NAME MW-16 <br /> JOB/SITE NAME JIMCO Truck Plaza DRILLING STARTED 12-Mar-10 <br /> LOCATION 1022 Frontage Road,Ripon,CA DRILLING COMPLETED 18-Mar-10 <br /> Continued from Previous Page <br /> Elam_ W Z = to U U <br /> C1 <br /> OF a LU w a LITHOLOGIC DESCRIPTION Z WELL DIAGRAM <br /> a mL Q OW <br /> rn C7 U p <br /> @20':color change to black(N1) <br /> 22.0 <br /> Silty,Sandy CLAY: Moderate yellowish brown(10YR <br /> 5/4);moist;50%clay,20%silt,30%medium to coarse <br /> grained sand;medium plasticity;low estimated i <br /> permeability. <br /> Monterey Sand <br /> #2/12 <br /> 2.3 9 MW-16.25 <br /> ze 25 4"•diam.,0.ota' <br /> Slotted Schedde 40 <br /> PVC <br /> CL <br /> 30 — -------------------------- 30.0 No recovery from 30 <br /> No Recovery to 3r <br /> 0 31.0 <br /> Sandy CLAY with Gravel: Moderate olive brown(5Y <br /> 4/4);wet;50%clay,40%medium to coarse grained sand, <br /> CL 10%gravel;medium plasticity;moderate estimated <br /> —permeability.____________________ 32.5 <br /> Gravelly SAND Moderate yellowish brown(10YR 5/4); <br /> LL SW :;;•;• wet;85%medium to coarse grained sand,15%gravel; <br /> o non- lastic•high estimated permeability. 33-5 <br /> Silty CLAY: Moderate olive brown;moist;60%clay, <br /> 40%silt;medium plasticity;low estimated permeability. <br /> 1.4 1� MW-1635 CL <br /> 35.0 <br /> 35 <br /> ii Bottom of Boring <br /> o @ 35 fbg <br /> M <br /> U � <br /> V) <br /> J <br /> �i <br /> N <br /> N <br /> !O <br /> U) <br /> Q <br /> U <br /> K <br /> a_ <br /> (7 <br /> O <br /> J <br /> J <br /> J <br /> PAGE 2 OF 2 <br />