Combria Environmental Technology, Inc BORING/WELL LOG
<br /> 1 144- 65th St
<br /> Oakland,CA 94608
<br /> Telephone (510)420-0700
<br /> Fax (510)420-9170
<br /> CLIENTNAME Eauiva Services LLC _ BORING/WELLNAME MW-5A&B
<br /> JOB/SITE NAME Ripon-341 __ DRILLING STARTED 26-Oct-29
<br /> LOCATION 341 Main Street-Rrpon,Cahfomia __ DRILLING COMPLETED , 27-Oct-99
<br /> PROJECT NUMBER 240-0324 WELL DEVELOPMENT DATE(YIELD) NA
<br /> DRILLER Grego Drilling ^^ GROUND SURFACE ELEVATION Not Surveyed
<br /> DRILLING METHOD Hollow-Stem auger TOP OF CASING ELEVATION NA
<br /> BORING DIAMETER^ 12' SCREENED INTERVAL NA
<br /> LOGGED BY B Jakub DEPTH TO WATER(First Encountered) 35 Oft(25-Oct-99) _
<br /> REVIEWED BY 0 Ratchve, PE DEPTH TO WATER(Static) NA t
<br /> REMARKS Hand auaered to 4 5'bas,located behind station buildingLu z _
<br /> to U
<br /> E 0 Z a W Q.a 0 Q O LITHOLOGIC DESCRIPTION `z� WELL DIAGRAM
<br /> m0 �� = 0=� QF-'
<br /> 4 oil]
<br /> H p
<br /> SIPHALT
<br /> 03
<br /> ;may SAND(SM),dark brown(10 yr3/3),damp,loose
<br /> SM sand,30%silt,70%fine grained sand,no plasticity,
<br /> medium to high estimated permeability
<br /> _ 35
<br /> SAND(SP),dark yellow brown(10 yr3/3),damp,loose
<br /> sand,10%silt,90%fine grained sand no plasticity,high
<br /> <1 0 s Mw-5A 5 5' SP
<br /> esllmated permeability
<br /> 75
<br /> Silty SAND(SM),dark brown(10 yr5/3),damp,very
<br /> loose to loose sand,45%silt,55%sand,high to medium
<br /> 14 estimated permeability
<br /> <1 0 ,o Mw-5A 9 5 10 SM
<br /> _ 125
<br /> SAND(SP),yellow brown(t Oy 5/4),damp,loose sand,
<br /> 5%s-it,95%fine grained sand,^o plasticity,high
<br /> • estimated permeability
<br /> s
<br /> <1 0 ° MW 5A 15
<br /> 150' SP
<br /> °
<br /> 193 Portland Type
<br /> <1 0 ,c MW 5A -20—'.
<br /> Sandy SILT(ML),dark gray brown(10 yr4/2),damp, 196 lAl
<br /> 190 medium stiff,3%clay,62%slit,35%fine grained sand,
<br /> ow astici medium to low estimated ermeabili
<br /> Sp SAND(SP),ye law brown(10 yrs 4),damp,loose sand,
<br /> 5%silt,95%fine grained sand,no plasticity,high
<br /> r estimated permeability
<br /> 0 20 3'-yellow brown,10%silt,90%fine grained sand, 240
<br /> LL ° medium high estimated ermeabill
<br /> o ct 0 e MW-SA 25 Silty SAND(SM),brown(10yr3/3), amp,loose sand,
<br /> R 24 5' 15%slit,85%fine sand,medium estimated permeability
<br /> SM @ 24 5'-mica flakes,medium estimated permeability
<br /> z
<br /> 0
<br /> S
<br /> s 2s 0
<br /> ' SAND(SW),yellow brown(10 yr5/4),damp,loose 296
<br /> <i 0 MW-5A30 sand, 5%silt,95%coarse to fine grained sand,no 298
<br /> 9 31}0' lasticity.hiah estimated Renneabilitv
<br /> Shy SILT(SM),dark yellow brown(f 0 yr5/4),damp,
<br /> SW a-.. �i .-�����. .� Brei .aa new :
<br /> $ sand,tow_plasticity,medium to low estimated permeabilid
<br /> 5 SAND( yellow brown(10 yr5 4),damp,loose 340
<br /> a a SM sand, 5%silt,95%coarse to fine grained sand,no 348
<br /> <1 0 Mw 5A 85 Iastici high estimated ermeabill 351
<br /> 34 5 Silly SAND(SM),yellow brown,wet, oose dense sand,
<br /> 35%silt 65%sand medium estimated ermeabill
<br /> $ SM Silty SAND( ),yellow brown,wet,loose dense sand,
<br /> 0%silt 60%fine sand medium estimated ermeabilit 380
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