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I Cambria 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 /> •)CLIENT NAME _ Equilon Enterprises LLC BORINGIWELL NAME MW-3
<br /> JOB/SITE NAME - Ripon-341 DRILLING STARTED 23-Feb-99
<br /> LOCATION 341 Main Street, Ripon,California DRILLING COMPLETED 23 Feb-99
<br /> PROJECT NUMBER 240-0324 WELL DEVELOPMENT DATE(YIELD) NA
<br /> DRILLER Gregg Drilling GROUND SURFACE ELEVATION
<br /> DRILLING METHOD Hollow-stem auger TOP OF CASING ELEVATION NA
<br /> BORING DIAMETER 6 7/8" SCREENED INTERVAL 25 to 45 ft bgs
<br /> LOGGED BY B Jakub DEPTH TO WATER(First Encountered) 30 2 ft(23-Feb-99)
<br /> REVIEWED BY O Ratchye, PE DEPTH TO WATER(Static) NA
<br /> REMARKS Hand au ered to 4 5'b s located behind station building
<br /> w
<br /> © i m O X w 0 ¢0_0O LITHOLOGIC DESCRIPTION = WELL DIAGRAM
<br /> n U ¢ L � [m7 O a
<br /> ~ C/)
<br /> oui
<br /> —ASPHALT p 5
<br /> Silty SAND, (SM) dark brown(10YR3/3),loose,dry,
<br /> 3%clay,35%silt,60%fine grained sand,2%fine grained
<br /> gravel,no plasticity, moderate estimated permeability,
<br /> trace mica
<br /> SM
<br /> 4 MW-3 5 Portland Type
<br /> 5 5 IIII
<br /> 75 rZ
<br /> SILT (ML) light olive brown (2 5Y5/3) mottled with
<br /> ML brownish yellow hard,dry,3%clay, 90%silt,7%very fine
<br /> 10 grained sand, no plasticity, moderate to low estimated 95
<br /> 25 10 rm ilit
<br /> Silty SAND, light olive brown(2 5Y5/3) very dense dry
<br /> 2%clay,45%silt,53%sand no plasticity moderate to
<br /> SM high estimated permeability
<br /> 140
<br /> 15 AND,(SW), brown(10YR5/3) dense damp 10%silt,
<br /> 22 15 90%very fine to fine grained sand
<br /> 4 SW - Q IS' -light brownish gray(2 5Y6/2),5%silt,95%fine to 2"dram ,
<br /> medium grained sand Schedule 40
<br /> I
<br /> 170 PVC
<br /> Sandy SILT (ML) light olive brown (2 5Y5/6)mottled
<br /> with brownish yellow(10YR6/8), hard,damp,55%silt,
<br /> m 40%very fine grained sand, 5%gravel,slight plasticity,
<br /> 47 moderate to low estimated permeability trace clay
<br /> Sa/6 20 nodules
<br /> ML
<br /> J
<br /> a Bentonite Seal
<br /> LL0
<br /> 1e 240 Monte
<br /> MW 3 ML $ILL (ML), light olive brown (2 5Y5/3), hard,moist, Monterey
<br /> A 50 25 10%clay,85%silt,5%very fine grained sand, low to 250 Sand rey
<br /> o -245 ti estimatedr i
<br /> g A RD, (SM),dense,moist,5%silt, 85%very fine
<br /> o SM to fine grained sand
<br /> 0 29 0
<br /> a 17 SILT, light olive brown(2 5Y5/3) hard,saturated, 5%
<br /> ir 3a 30 clay,90%silt,5%very fine grained sand low 2/23/99 Q
<br />•, plasticity low to moderate estimated permeability mica,
<br /> ML roots throughout sample
<br /> a
<br /> oi
<br /> a
<br /> 335
<br /> 17 SAND,saturated,5%silt,85%fine to coarse grained
<br /> J Sols sand, 10%subangular to subrounded fine grained gravel
<br /> 35
<br /> Continued Next Page PAGE 1 of 2
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