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Conestoga Roverssoe23 BORINGIWELL LOG <br /> 19449 Riverside Drive,Suite 230 <br /> Sonoma, CA 95476 <br /> Telephone: 707-935-4850 <br /> Fax: 707-935-6649 <br /> CLIENT NAME Shell Oil Products US BORING/WELL NAME MW-8 <br /> JOB/SITE NAME Former Shell Pipelines-Mountain House NBH B DRILLING STARTED 02-Seo-09 <br /> LOCATION Tracy,California DRILLING COMPLETED 10-Seo-09 <br /> PROJECT NUMBER 060222 WELL DEVELOPMENT DATE(YIELD) 24-Sep-09(40.0 gallons) <br /> DRILLER Gregg Drilling GROUND SURFACE ELEVATION 107.15 ft above msl <br /> DRILLING METHOD Hollow-stem auger TOP OF CASING ELEVATION 108.85 ft above msl <br /> BORING DIAMETER 8" SCREENED INTERVAL _ 23 to 38 fbq <br /> LOGGED BY C.Rodriguez DEPTH TO WATER(First Encountered) 28.0 ft(10-Sep-09) E <br /> REVIEWED BY J.Gaarder DEPTH TO WATER(Static) 26.63 ft(30-Sep-09) 1 <br /> REMARKS Air Knifed to 1 fbg;Water knifed to 5 fbg Above ground construction consisting of a 2 ft Stovepipe <br /> ELU Z rn ~ = vi U m <br /> a OJ Z) a H C6 Q O SOIL DESCRIPTION H= WELL DIAGRAM <br /> d m0 ¢ w o CI:0 ' pa <br /> U ULU <br /> SIL_ T(ML);brown(10YR 4/3);dry;30%clay,65%silt, omp e e wl <br /> ML 5%fine sand;medium plasticity. Grassy surface,no 2'tall stovepipe. <br /> cracking silt has blockj!tructure,coEjpacted. ----- 2.5 <br /> 0.0 ;5 SP SAND(SP);brown(1OYR 5/3);dry; 100%fine to <br /> s medium-grained sand;high permeability. <br /> 0.0 ;T Sandy SILT(ML);yellowish brown(11OYR 5/4);dry;70% <br /> 20 10 silt,30%fine-grained sand;low permeability. Portland Type II <br /> ML <br /> 10 <br /> o 1'o @ 13.5'-70%silt,30%fine-grained sand;low 14.5 <br /> m 15 permeability. <br /> SM Silty SAND(SM):yellowish brown(1 OYR 5/4);dry;15% <br /> o — silt 85 o fine to medium-2ralned sandihyh permeabil!jji_— 16.7 <br /> SAND(SP);yellowish brown(1oYR 5/6);dry;1006Afine <br /> 15 <br /> to medium-grained sand;high permeability. <br /> D 0.0 <br /> t9 S <br /> LL p P <br /> 0 20 <br /> Bentonite Seal <br /> Q. <br /> — ————---——————— ---— 21.7 . . <br /> _ ————————— Monterey Sand <br /> 0 <br /> z #2112 <br /> N 0.0 ,e SILT(ML).:light olive brown(2.5Y 5/4);moist;5%clay, <br /> t9 25 859/o silt,10%fine-grained sand;low permeability. <br /> 0 1 <br /> W - <br /> U Q <br /> 0.0 c @ 285-wet;10%day,85%sift,5%fine-grained sand; <br /> S16 30ML low plasticity;low permeability. <br /> 2"-diarn.,0.020" <br /> Slotted Schedule <br /> 0 40 PVC <br /> Q 0.0 e @ 33.5'-moist to wet. <br /> 10 <br /> v 35— <br /> W <br /> w <br /> 0.0 10 <br /> t2 <br /> < 38.0 <br /> O <br /> 40 Bottom of <br /> o Boring @ 38 ft <br /> a <br /> O <br /> O <br /> J <br /> 45 <br /> PAGE 1 OF 1 <br />