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Cambria Environmental Technology, Inc BORINGIWELL LOG <br /> 5900 Hollis Street, Suite A <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 Ril2on,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 MIETHOD 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) Q <br /> REVIEWED BY B Wilken, PG#7564 DEPTH TO WATER(Static) _ 24 90 fbg(15-Aug-05) 1 <br /> REMARKS Located 10'south of EW-1 15'west of MWA <br /> CL Lu z X <br /> Q o z a`' iw— w g ' o LITHOLOGIC DESCRIPTION ? WELL DIAGRAM <br /> a mUO < U �w <br /> 0 <br /> 05 ASPHALT 6 inches thick 05 <br /> FILL Silt sand and gravel 10 <br /> Silty SAND Brown, loose,damp,20%silt, 80%fine <br /> sand with mica, non-plastic, high estimated permeability <br /> 2 5- <br /> 25 <br /> 25 3 AS 1 6 SM <br /> 6 10 <br /> @ 10'-Medium dense,46%silt,60%fine sand low <br /> 15 15 AGA 1Y plasticity,moderate estimated permeability110 <br /> Sand with silt Light brownish gray dense,damp, 10% <br /> silt 90%fine sand, non-plastic, high estimated <br /> permeability <br /> SP <br /> Portland Type <br /> VIE <br /> Sandy SILT Brownish gray,very stiff damp 60%silt, 2"dram, <br /> CD 1 5 15 As, ,6 40%fine sand low plasticity,moderate estimated Schedule 40 <br /> 17 permeability mottled PVC <br /> o ML <br /> a <br /> C7 <br /> a _ ____________________ 200 <br /> m 53 16 20 _SM Silty SAND Gray stiff damp,30%silt,70%fine to <br /> 67 22 As 1 21 medium sand, non-plastic, high estimated permeability, 21 1 <br /> hydrocarbon 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 /> 9 SM �non-21astic, moderate estimated ermeablit stained <br /> 7 Silty,SAND Gray,stiff damp 30%silt, 70%fine to <br /> o medium sand non-plastic high estimated permeability, <br /> hydrocarbon odor __ 25 Q <br /> a 1s 25 SAND with silt Gray,dense wet, 10%silt, 90% <br /> a. <br /> za AS 1 26 medium to coarse sand non-plastic,high estimated <br /> 15 permeability <br /> 0 <br /> a Bentonite Seal <br /> c� <br /> o <br /> Monterey <br /> 3 SW 30 Sand#2/12 <br /> Continued ex age <br /> PAGE 1 OF 2 <br />