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. Conestoga-Rovers&Associates BORINGIWELL LOG <br /> 19449 Riverside Drive, Suite 230 <br /> Sonoma, CA 95476 <br /> Telephone: 707-935-4850 <br /> m Fax: 707-935-6649 <br /> CLIENT NAME Shell Oil Products US BORING/WELL NAME MW-14 <br /> JOB/SITE NAME Former Shell Pipelines-Mountain House,NBH B DRILLING STARTED 01-Sea-09 <br /> LOCATION _Tracy,California DRILLING COMPLETED 09-Sep-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 msl <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) <br /> REVIEWED BY J.Gaarder DEPTH TO WATER(Static) 25.46 ft(30-Sep-09) 1 <br /> REMARKS Air Knifed to 2.5 fbq;Water Knifed to 5 fbq.Above ground construction consisting of a 2 ft.Stovepipe. <br /> � <br /> 0- 1-- a 1 ¢O SOIL DESCRIPTION z= WELL DIAGRAM <br /> FL mU a W o c�7 Ow <br /> U U LU <br /> SILT(ML);brown(10YR 4/3);dry;20%clay,80%silt; Completed with <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 /> 2' 75%silt,5%fine to medium sand;low plasticity. <br /> @8'-brown(10YR 5/3);dry to moist;hard;20%clay,75% <br /> 0.0 1z silt,5%fine to medium sand;low plasticity. Portland Type II <br /> ,5 10 <br /> ML <br /> m <br /> 0 <br /> t2 @13.5'-Sandy SILT(ML);brown(10YR 5/3);dry;hard; <br /> 0.0 16 5%clay,65%silt,30%fine to medium sand;low plasticity. <br /> 0 15 <br /> J <br /> LU <br /> LL <br /> @18.5'-SILT(ML);brown(10YR 5/3);dry to medium; <br /> 0.0 a hard;5%clay,90%silt,5%fine to medium sand;low Bentonite Seal <br /> M 19 20 plasticity. <br /> ry Monterey Sand <br /> N _ 22.0 tt2i12 <br /> N <br /> Silty SAND(SM);dark grayish brown(10YR 4/2);wet; Q <br /> W 0.0 e SM medium dense; 15%silt,85%fine to medium sand. <br /> 13 25— <br /> Y <br /> i <br /> N27.0 <br /> N _- __________________________ <br /> 0.0 u 30— SILT(ML);brown(10YR 4/3);moist;firm;20%silt,80% 2 diam.,0.020^ <br /> a sand;low plasticity. Slotted Schedule <br /> = 40 PVC <br /> U <br /> w ML <br /> x <br /> i <br /> @34'-hard;20%clay,80%silt. <br /> 0.0 is <br /> z 35 <br /> z <br /> o z2 <br /> 0 <br /> 37.0 <br /> a <br /> c� <br /> 0 Bottom of <br /> J <br /> 40 Boring @ 37 ft <br /> PAGE 1 OF 1 <br />