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Cambria Environmental Technology, Inc. BORING[WELL LOG <br /> 5900 Hollis Street, Suite <br /> Emeryville, CA 94608 *,,,, <br /> Telephone: 510-420-0700 <br /> Fax: 510-420-9170 <br /> CLIENT NAME Olympian JV BORING/WELL NAME AS-1 <br /> JOB/SITE NAME Jimco Truck Plaza DRILLING STARTED 15-Aug-05 <br /> LOCATION 1022 Frontage Road,Ripon,CA DRILLING COMPLETED 15-Aug-05 <br /> PROJECT NUMBER 165-1556-200 WELL DEVELOPMENT DATE(YIELD) NA <br /> DRILLER Gregg Drilling,C57#485165 GROUND SURFACE ELEVATION 58.68 ft above msl <br /> DRILLING METHOD Hollow-stem auger TOP OF CASING ELEVATION 57.79 ft above msl <br /> BORING DIAMETER 8" SCREENED INTERVALS 30 to 33 fbq <br /> LOGGED BY R. Fennell DEPTH TO WATER(First Encountered) 25.0 fbg(15-Aug-05) <br /> REVIEWED BY B.Wilken, PG#7564 DEPTH TO WATER(Static) 24.90 fbq(15-Aug-05) 1 <br /> REMARKS Located 10'south of EW-1. 15'west of MW-1 <br /> E U) = vi U U CL � <br /> O z aa- F w g-O LITHOLOGIC DESCRIPTION z WELL DIAGRAM <br /> i Z)a m� < W �w <br /> 0 <br /> 0.5 ASPHALT:6 inches thick. 0.5 <br /> FILL:Silt sand and ravel. 1.0 <br /> Silty SAND:Brown;loose;damp;20%silt,80%fine <br /> sand with mica;non-plastic;high estimated permeability. <br /> 2 5- <br /> 2.5 3 AS-1-6 SM <br /> 6 10 @ 10'-Medium dense;40%silt,60%fine sand;low <br /> 1.5 ,s As-1-11 lasticit moderate estimated permeability. 11.0 <br /> Sand with silt:Light brownish gray;dense;damp;10% <br /> silt;90%fine sand;non-plastic;high estimated <br /> permeability <br /> SP <br /> e Portland Type <br /> I/II <br /> _________ _________ 15.0 <br /> 0 1z 15 Sandy SILT:Brownish gray;very stiff;damp;60%silt, 2"diam., <br /> c2 1.5 16 ASA-16 40%fine sand;low plasticity;moderate estimated Schedule 40 <br /> permeability;mottled. PVC <br /> W <br /> W ML <br /> a <br /> c2 <br /> a <br /> _____________ ______ 20.0 <br /> m 53 1e —20--SM Silty SAND:Gray;stiff;damp;30%silt,70%fine to <br /> 22 As-1-21 medium sand; non-plastic;high estimated permeability; 21.1 <br /> 67 <br /> 3 h drocarbon odor. 21.2 <br /> Sandy SILT: 1-inch vein of greenish gray;very stiff; <br /> z damp;easily fractured;60%silt,40%fine sand; <br /> SM non- lastic moderate estimated ermeabilit stained. <br /> �, Silty SAND:Gray;stiff;damp;30%silt,70%fine to <br /> o medium sand; non-plastic;high estimated permeability; <br /> hydrocarbon odor. ________________ 25.0 <br /> a °25 SAND with silt:Gray; <br /> dense;wet; 10%silt;90% <br /> 0- 15 AS-1-26 <br /> .7 23 medium to coarse sand;non-plastic;high estimated <br /> 15 permeability. <br /> 0 <br /> 0 <br /> a Bentonite Seal <br /> 0 <br /> � <br /> Monterey <br /> J <br /> w3 SW 30 Sand#2/12 <br /> Continued ex age <br /> PAGE 1 OF 2 <br />