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Conestoga-Rover; ssociates <br /> /'* 19449 Riverside Drive,Suite 230 BORING/VI/ELL LOG <br /> Sonoma,CA 95476 <br /> Telephone: 707-935-4850 <br /> Fax: 707-935-6649 <br /> CLIENT NAME Shell Oil Products US BORINGfWELL NAME MW-14 <br /> JOB/SITE NAME Former Shell Pipelines-Mountain House NBH B DRILLING STARTED 01-Sep-09 <br /> LOCATION Tracy,California DRILLING COMPLETED 09-Seo-09 <br /> PROJECT NUMBER 060222 WELL DEVELOPMENT DATE(YIELD) 25-Sep-09(30.0 gallons) <br /> DRILLER Gregg Drilling GROUND SURFACE ELEVATION 99.93 ft above ms] <br /> DRILLING METHOD Hollow-stem auger TOP OF CASING ELEVATION 102.79 ft above msl <br /> BORING DIAMETER 8" SCREENED INTERVAL 22 to 37 fbq <br /> LOGGED BY C.Rodriguez DEPTH TO WATER(First Encountered) 23.5 ft(09-Sep-09) Q <br /> REVIEWED BY J.Gaarder DEPTH TO WATER(Static) 25.46 ft(30-Sep-09) 1 <br /> REMARKS Air Knifed to 2.5 fbg'Water Knifed to 5 fbg Above ground construction consisting of a 2 ft Stovepipe <br /> E to U rn <br /> CXF- W Z N = U ce <br /> g m O a- X w 49 O SOIL DESCRIPTION Z WELL DIAGRAM <br /> a U CO W OW <br /> U 0 <br /> SILT(ML);brown(10YR 413);dry;20%clay,80%silt; CompleteUVW <br /> low plasticity;grassy surface with cracks up to 1.5 inch 2'tall stovepipe. <br /> diameter;block structure;compact. <br /> 0.0 19 5 @5'-pale brown(10YR 6/3);dry to moist;hard;20%clay, <br /> Z' 75%silt,5%fine to medium sand;low plasticity. <br /> 0.0 10 @8'-brown(10YR 513);dry to moist;hard;20%clay,75% <br /> 15 <br /> 10 silt,5%fine to medium sand;low plasticity. Portland Type II <br /> ML <br /> e 0.0 a @13-5'-Sandy SILT(ML);brown(10YR 5/3);dry;hard; <br /> 18 5%clay,65%silt,30%fine to medium sand;low plasticity. <br /> 0 15 <br /> J <br /> Q <br /> W ' <br /> a 0.0 ° @18.5'-SILT(ML);brown(10YR 5/3);dry to medium; <br /> 2 19 hard;5%clay,90%silt,5%fine to medium sand;low Bentonite Seal <br /> 20 plasticity. <br /> z <br /> cL <br /> N Monterey Sand <br /> 22.0 #2112 <br /> 00.0 Siltv SAND(SM);dark grayish brown(10YR 4/2);wet; S <br /> u 9 sM medium dense;15%sift,85%fine to medium sand. <br /> g 13 25 = <br /> o — ------------------_—__---- 27.0 <br /> $ 0.0 <br /> 9 SILT(ML);brown(10YR 4/3);moist;firm;20%silt,80% m <br /> 7'-dia .•0.020" <br /> 10 30 sand;low plasticity. Slotted Schedule <br /> v 40 PVC <br /> x <br /> ML <br /> i <br /> Q <br /> z 0.0 10 35 @34'-hard;20%clay,80%sift. <br /> o <br /> a <br /> 37.0 <br /> c� <br /> O <br /> Bottom of <br /> 40 Boring @ 37 ft <br /> PAGE t Of t <br />