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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 B-18
<br /> JOBISITE NAME Jimco Truck Plaza DRILLING STARTED 16-Aug-05
<br /> LOCATION —1022 Frontage Road, Ripon,CA DRILLING COMPLETED16-Aug-05
<br /> PROJECT NUMBER 165-1556-200 WELL DEVELOPMENT DATE(YIELD) NA
<br /> DRILLER Gregg Drilling,C57#4851.65 GROUND SURFACE ELEVATION 59 06 ft above msl
<br /> DRILLING METHOD__ Hollow-stem auger TOP OF CASING ELEVATION Not Surveyed _
<br /> BORING DIAMETER 6" SCREENED INTERVALS NA
<br /> LOGGED BY R Fennell DEPTH TO WATER(First Encountered) 25 0 fb 16-Au -05 Q
<br /> REVIEWED BY B Wilken, PG#7564 _ DEPTH TO WATER(Static) NA 1
<br /> REMARKS Located 21'north of MW 1 18 5'northeast of EW-1
<br /> a �♦- w Z
<br /> o m CL IL
<br /> O a. X a O LITHOLOGIC DESCRIPTION Z WELL DIAGRAM
<br /> a. Lu c� °w
<br /> 0
<br /> ASPHALT 6 inches thick 05
<br /> FILL Gray.damp,gravellysand 10
<br /> Silty SAND Brown loose,damp, 20%silt,80%fine
<br /> sand, non-plastic high estimated permeability,mica _
<br /> @ T-Increased silt content 25%silt,75%fine sand
<br /> SM --
<br /> 4 5 -
<br /> 0 3 B1a6
<br /> s
<br /> a
<br /> 11
<br /> t3 80
<br /> 10 ML Sandy SILT Olive green,very stiff,damp 70%silt, 30%
<br /> 74 fine sand, non-plastic moderate estimated permeability, 90
<br /> 19
<br /> SP white calcium carbonate veins easel fractured //___95
<br /> s 10 ML SAND with silt Grayish brown, medium dense damp,
<br /> 0 r B 111 11 10%silt 90%fine to medium sand, non-plastic high 105
<br /> e estimated pri-eability,mica
<br /> 6 SP Sandy SILT Olive green,very stiff,damp, 70%silt 30%
<br /> e fine sand,non-plastic,moderate estimated permeability, 125
<br /> 11 white calcium carbonate veins easily fractured
<br /> 11 ML SAND with silt Grayish brown, medium dense,damp 135
<br /> 14 10%silt,90%fine to medium sand,non-plastic,high
<br /> 19 5M estimated ermeabih mica
<br /> S9 SILT with sand Olive green medium stiff,damp 80% 14 5
<br /> a 15 silt, 20%fine sand, non-plastic low estimated
<br /> 0 05 10 13-15-711 ermeabilit brown s ottin mica easel fractured
<br /> J 11 Silty SAND Olive brown, medium dense damp 40%
<br /> 11 SID Isilt. 60%fine sand, non-plastic,moderate estimated
<br /> 0 12 1permeability
<br /> 12 SAND with silt Grayish brown medium dense da(Mp,
<br /> 14 10%silt,90%fine to medium sand, non-plastic,high
<br /> 12 estimated permeability 195
<br /> a 9 @ 16'-As above light gray,dry fine to medium sand
<br /> a 20 ML @ 17'-As above fine to coarse sand 205
<br /> m 55 11 13-711-21 SM 18 5'-As above light brown dam 21 0
<br /> 111 SILT with sand Dark olive gray,very stiff,damp,80%
<br /> 178 1, silt, 20%fine sand non-plastic low estimated
<br /> 108 24 SW permeability,easily fractured, brown spotting, hydrocarbon
<br /> odor 230
<br /> 169 1e SM Sihty SAND Dark olive gray,medium dense damp,
<br /> o 1s 40°/a sit,60%fine sand,non-plastic,moderate estimated 240
<br /> Tlermeabililiv.
<br /> meabili hydrocarbon odor
<br /> z 22 Z5 25 SM
<br /> SP ND with silt Gray,medium dense, damp, 10%silt, 250
<br /> a %fine to medium sand, non-plastic, high estimatedmeabilit h drocarbon odoru SAND Olive green, medium dense,damp,30%= 70%fine to medium sand,non-plastic high estimated 1
<br /> brown spotting, mica I
<br /> a = 1 Silty SAND Olive gray,medium dense damp 15%silt 1
<br /> o = 185%fine sand non-plastic high estimated permeability I
<br /> 1 c�D 24 5' _-Gray.moist.1 O%silt, 90%fine sand _
<br /> 30 5-foot Hydropunch drive interval from 25 to 30 ft bgs,with 300
<br /> Continued ex age PAGE 1 OF 2
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