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Cambria Environmental Technology, Inc BORING/WELL 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 BORINGIWELL NAME MW-10
<br /> JOBISITE NAME Jimco Truck Plaza DRILLING STARTED 15-Au -0
<br /> LOCATION 1022 Frontage Road Ripon,CA DRILLING COMPLETED 15-Aug-05 _—
<br /> PROJECT NUMBER 165-1556-200 WELL DEVELOPMENT DATE(YIELD) 27-Aug-05 26 Gallons
<br /> DRILLER Gregg Drilling,C57#485165 GROUND SURFACE ELEVATION 58 14 ft above msl
<br /> DRILLING METHOD Hollow-stem auger TOP OF CASING ELEVATION 57 56 ft above msl
<br /> BORING DIAMETER 8" SCREENED INTERVALS 15 to 35 fbg
<br /> LOGGED BY R Fennell DEPTH TO WATER(First Encountered 24 0 fb 15-Au -05 Q
<br /> REVIEWED BY B Wilken,PG#7564 DEPTH TO WATER(Static) 24 30 fbg(15-Aug-05) 1
<br /> REMARKS Located 72'west of MW-9,93 5'south of MW-3
<br /> Ll U F- m
<br /> Ce
<br /> O o � X a J LITHOLOGIC DESCRIPTION z z WELL DIAGRAM
<br /> v
<br /> 0 CL
<br /> ASPHALT 6 inches thick 05
<br /> FILL Gray,damp,gravellysand 10
<br /> Silty SAND Reddish brown, loose,damp,20%silt,80%
<br /> 1 fine sand low plasticity, high estimated permeability
<br /> @ Y-Mica 30%silt,70%fine sand
<br /> 3 5 SM
<br /> 05 ° Mw,O-e
<br /> ` Portland Type
<br /> Ill I
<br /> 2"dram ,
<br /> 85 Schedule 40
<br /> 2Silty CLAY Gray hard dry 60%clay, 30%silt, 10% PVC
<br /> 255
<br /> 27 fine sand in brown nodules non-plastic, los estimated
<br /> 10 10 permeability,friable
<br /> 11 CL
<br /> 1B @ 11'-Light gray 50%clay,30%silt,20%fine sand
<br /> 1 Mw-,° 12 s
<br /> e
<br /> Sandy SILT Brownish gray, hard,damp,60%silt,40% 130 Bentonite Seal
<br /> ,2 ML fine sand,mica brown sand nodules
<br /> 18 Monterey
<br /> 150
<br /> 0 15 Sand#2/12
<br /> SAND with Silt Light grayish brown, medium dense
<br /> ,s damp, 10%silt,90%fine to coarse sand non-plastic high
<br /> a SW estimated permeability
<br /> LU 1 5 13 MW 10 175 175
<br /> 7e Silty SAND Brownish gray medium dense,damp 40%
<br /> a silt,60%fine sand,low plasticity, moderate estimated
<br /> 10 permeability
<br /> a �� SM @ 19'-Sand grades into fine to medium grained with
<br /> m 7 20 mica,20%silt,80%sand, low plasticity, high estimated
<br /> m 11 permeability 210
<br /> 0 73 Near 21'-A thin lense of silty sand,40%silt,60%sand
<br /> a low lasticit moderate estimated ermeabiht
<br /> Z
<br /> 05 ie MVV-10 225 SAND with Silt Gray, medium dense moist, 10%silt,
<br /> $ 90%medium to coarse sand,non-plastic, high estimated
<br /> 10 permeability
<br /> t2 SP @ 24'-Wet
<br /> ,7
<br /> z s 25 2"-diam,
<br /> ¢
<br /> a 13 0 010"Slotted
<br /> � 24 Schedule 4c;
<br /> e PVC
<br /> 2 1 2 13 MW-10 27 5 275
<br /> a 1` ML Sandy SILT Gray very stiff,wet 60%silt,40%sand 280
<br /> a alow lasclicit moderate estimated permeability
<br /> 72 SW SAND Gray, medium dense,wet,5%silt 90%medium 29 0
<br /> zo to coarse sand, 5%gravel to 20 mm, non-plastic high
<br /> W930
<br /> Continued ex age PAGE 1 OF 2
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