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Conestoga-Rovers&�AssociatesORING / WELL LOG <br /> s 5900 Hollis Street, Suite A <br /> Emeryville,CA 94608 <br /> f; Telephone:. 510-420-0700 <br /> Fax: 510-420-9170 <br /> CLIENT NAME Olympian JV BORING/WELL NAME MW-14 <br /> JOB/SITE NAME JIMCO Truck Plaza DRILLING STARTED 11-Mar-10 <br /> LOCATION 1022 Frontage Road Ripon,CA DRILLING COMPLETED 18-Mar-10 <br /> PROJECT NUMBER 161556 WELL DEVELOPMENT DATE(YIELD) 24-Mar-10(64 Gallons) <br /> DRILLER Gregg Drilling,C57#485165 GROUND SURFACE ELEVATION NA <br /> DRILLING METHOD Hollow-stem auger TOP OF CASING ELEVATION 58.48 ft above msl <br /> BORING DIAMETER 10.5" SCREENED INTERVALS _15 to 35 fbq <br /> LOGGED BY C.Hee DEPTH TO WATER(First Encountered) 27.00 fbg(18-Mar-10) <br /> REVIEWED BY R.Scheele,PG#6842 DEPTH TO WATER(Static) 24.50 fbg(07-Apr-10) 1 <br /> REMARKS No recovery from 28.5'-30',blow count not recorded for 33.5'-35' <br /> o M <br /> g p Z a s a o LITHOLOGIC DESCRIPTION ? WELL DIAGRAM <br /> a mOv Q w �a_' aw <br /> 0 <br /> ASPHALT: 4 inches thick. 0.3 �IZJ <br /> SAND with Silt: Dusky brown(5YR 2/2);dry;10%silt, <br /> 90%fine to medium grained sand;low plasticity;high <br /> estimated permeability. <br /> i <br /> 0.0 MW-14 A <br /> 5 SM <br /> Portland Type 1111 <br /> 4"diam.,Schedule <br /> 0 40 PVC <br /> m <br /> F -- — — --- --- 9.0 i <br /> Sandv SILT with Clav:Light olive gray(5Y 2/2);10°/a <br /> 1.0 zs Mw-14-10 clay,70%silt,20%fine to medium grained sand;low <br /> < n 10plasticity;low estimated permeability. <br /> LL <br /> o ML <br /> i <br /> a <br /> _ ___ __________ _________ 11.5 <br /> Silty CLAY: Light olive gray(5Y 5/2);moist;60%clay, <br /> 40%silt;low plasticity;low estimated permeability. Bentonite seal <br /> g CL <br /> A ------ 13.0 <br /> ------------------ - <br /> Clayey,Sandy SILT: Moderate olive brown(5Y 4/4); <br /> T dry;20%clay,60%silt,20%fine to medium grained sand; <br /> low plasticity;:low estimated permeability. <br /> NIL <br /> 1.0 y MW-14-15 <br /> e 15 <br /> 15.5 <br /> m Silty CLAY: Moderate olive brown(5Y 4/4);moist;70% <br /> clay,30%silt;medium plasticity;low estimated <br /> CL permeability. <br /> _ --- -------------------------- 17.3 <br /> SAND:Pale olive brown(10Y 6/2);100%fine to medium <br /> grained sand;non-plastic;high estimated permeability. <br /> a <br /> n. <br /> U' <br /> O2.2 pe MW-14-20 5W <br /> 20 <br /> Continued ex age <br /> PAGE f OF 2 <br />