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Connestoga-Rovers s,�ociates SOIL BORING LOG <br /> 5900 Hollis Street,Suite A <br /> Emeryville, CA 94608 <br /> Telephone: 510-420-0700 <br /> Fax: 510-420-9170 <br /> CLIENT NAME Olympian JV WELL NAME B-22 <br /> JOB/SITE NAME JIMCO Truck Plaza DRILLING STARTED 15-Mar-07 <br /> LOCATION 1022 Frontage Road,Ripon,CA DRILLING COMPLETED 15-Mar-07 <br /> PROJECT NUMBER 165-1556 WELL DEVELOPMENT DATE(YIELD) NA <br /> DRILLER Gregg Drilling C57#485165 GROUND SURFACE ELEVATION 60.2 ft amsl <br /> DRILLING METHOD Direct Push TOP OF CASING ELEVATION NA <br /> BORING DIAMETER 2.5 inches SCREENED INTERVAL NA <br /> LOGGED BY G.Reiss DEPTH TO WATER(First Encountered) 23.0 ft bgs(15-Mar-07) <br /> REVIEWED BY B.Wilken,PG#7564 DEPTH TO WATER(Static) NA 1 <br /> REMARKS Collected grab groundwater sample through 3/4 inch diameter temporary PVC casing with 10' of screened casing <br /> N <br /> U V n <br /> CL = ` a Lu a U a p DESTRUCTION METHOD DESCRIPTION WELL DIAGRAM <br /> o la-E Q w p �J Oa <br /> a N w <br /> 0 <br /> ASPHALT: 3 inches thick. 0.3 0. a o Concrete <br /> FILL:Road Base 1.0 <br /> Silty SAND: Light brown;medium dense;dry;40%silt, <br /> 60%fine grained sand;non-plastic;moderate estimated <br /> permeability. <br /> SM <br /> 7.. @ 3.5': Cemented zone of Silty SAND-hard pan:dense; <br /> low estimated permeability. <br /> 5 __________________________ 5.5 <br /> — I SILT with sand Light brown;medium stiff;dry;90%silt, <br /> ML 10%fine grained sand; non-plastic;low estimated -7.0 <br /> rpermeability.-----------------_,—� <br /> 0 SM Silty SAND: Brown and white;loose;dry;30%silt,70% <br /> fine to medium grained sand;non-plastic;moderate 8.5 <br /> �9imatedoermeabllitY-- ———— — — - <br /> 0 ML SILT with sand: Light brown;medium stiff;dry;90%°silt, <br /> B-220 W 10 —— I 10%sand non Plastic• low estimated Permeability. 10.0 <br /> `----- <br /> SM Silty SAND: Brown;loose;dry;30%silt,70%fine <br /> _grained sandinonolasticLn oderate estimated————— 11.0 <br /> fSFlu_at6liWay and sand: Light brom <br /> wn; edium stiff; <br /> 0 ML ( moist; 10%clay,80%silt, 10%fine grained sand;low <br /> plasticity;low estimated permeability. _'___13'0 <br /> Silty SAND: Orange/brown;medium dense;dry;45% <br /> silt,55%fine grained sand;non-plastic;moderate <br /> o estimated permeability. <br /> B-220 15' 15 <br /> Portland Type <br /> J <br /> SM @16': 30%silt,70%fine grained sand. <br /> LL <br /> W B-220 18 <br /> 'a <br /> p O B-220 20' 20 — andy Light ——— —— —— — —— 20.0 <br /> Z SSILT: brown;medium stiff;moist;70/°silt, <br /> 0 ML I 30%fine grained sand;non-plastic;low estimated <br /> a 0 permeability. _____ _________ <br /> B-22022' _____ _ --- <br /> 220 <br /> SM Silty SAND: Light brown;medium dense;moist;30% <br /> silt,70%fine grained sand;non-plastic;moderate 23.0 <br /> 0 <br /> 3.9B-220 permeabili jy.———— —— — - <br /> B-2z�z° ML I SILT with sand: Light brown;medium stiff;wet;90%silt, <br /> N10%fine grained sand;non-plastic;low estimated _ 25.0 <br /> 25 -- �eermeability--------------------- <br /> SAND with silt: Brown and white;loose;wet; 10%silt, <br /> g 0 90%fine to coarse grained sand;non-plastic;high <br /> a B•zzCD 27' estimated permeability. <br /> f <br /> SW <br /> 0 <br /> it <br /> o p <br /> X1.0 B-22Q30' 30 30.0 Bottom of <br /> 0 <br /> Boring @ 30 ft <br /> bgs <br /> PAGE 1 OF 1 <br />