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Cambria Environmental Technology,Inc
<br /> 1 144 -65th St BORING/WELL LOG
<br /> Oakland,CA 94608
<br /> Telephone (510)420-0700
<br /> Fax (510)420-9170
<br /> . CLIENT NAME _Equiva Services LLC BORING IWELL NAME MW-6A&B
<br /> JOBISITE NAME Ripon-341 _ „ DRILLING STARTED 28-Oct-99
<br /> LOCATION 341 Main Street Ripon,California DRILLING COMPLETED 29-Oct-99
<br /> PROJECT NUMBER 240-0324 WELL DEVELOPMENT DATE(YIELD) NA
<br /> DRILLER Greco Drillina GROUND SURFACE ELEVATION Not Surveyed
<br /> DRILLING METHOD Hollow stem auger TOP OF CASING ELEVATION NA
<br /> BORING DIAMETER 11" SCREENED INTERVAL NA
<br /> LOGGED BY B Jakub DEPTH TO WATER(First Encountered) 30 0 ft(25-Oct-921 _ Q
<br /> REVIEWED BY_ O Ratchye,PE DEPTH TO WATER(Static) NA _ 1_
<br /> REMARKS Hand sugared to 4 5'bgs located behind station,buildina _
<br /> � � H
<br /> E O 4 a s a p LITHOLOGIC DESCRIPTION z= WELL DIAGRAM
<br /> Lu 0
<br /> Lu
<br /> EILL 1 0
<br /> Silty SAND(SM),dark brown(10 yr4/3),damp,very
<br /> loose sand,40%silt,60%fine grained sand,no plasticity,
<br /> medium to high estimated permeability
<br /> <1 0 a Mw BA 5 a 5 SM
<br /> 3
<br /> + 93
<br /> • <1 0 e MW BA 9 5 10 SAND(SP),yellow brown(10 yr5/6),damp,loose sand,
<br /> 12%silt,88%fine grained sand,no plasticity,high
<br /> estimates!permeability
<br /> SP
<br /> 148,
<br /> <1 0 7 MW-GA 15 S (ML),brown,wet,medium stiff,2%clay,88%slit,
<br /> ILT
<br /> 150 10%fine grained sand,low plasticity,medium to low
<br /> estimated permeability
<br /> ML
<br /> i 198
<br /> <1 0 7 MW-6A 20 Sandy SILT(SM),dark yellow brown(10 yr5/4),damp,
<br /> 20 0' medium stiff,2%clay,83%silt,15%fine grained sand,
<br /> low plasticity,medium to low estimated permeability
<br /> o SP Portland Type
<br /> J
<br /> 240
<br /> a AM(ML),mottled brown,wet,soft,2%clay,95%silt,
<br /> <1 0 2 Mw BA 25 3%fine grained sand,low plasticity,medium to low
<br /> 0 25 o estimated permeability very fine mica flakes
<br /> � ML
<br /> 3
<br /> 290
<br /> e - SANP(SW),yellow brown(10 yr5/4),damp,loose
<br /> <1 0 , MW
<br /> sA 30 sand, 5%silt,95%sand,no plasticity,high estimated
<br /> SW ; permeability
<br /> Fi 3L 5
<br /> S S1L�(ML),brown,wet,medium stiff to stiff,2%clay,
<br /> ML 88%silt,10%fine grained sand,low plasticity,medium to
<br /> 6 low estimated permeabillty 348
<br /> e 35 SILT wlth Clav(ML),brown(10 yr5/3),stiff,wet, 12%
<br /> clay,88%silt,medium low plasticity,low estimated
<br /> SW permeability
<br /> ® 37'-stiff layer
<br /> Continued ext Page PAM r of z
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