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Cambria Environmental Technology, Inc BORING/WELL LOG
<br /> 1144 - 65th 5t
<br /> Oakland, CA 94608
<br /> Telephone (510) 420-0700
<br /> Fax (510) 420-9170
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<br /> CLIENT NAME Eguilon Enterprises LLC BORING/WELL NAME EW-2
<br /> JOBISITE NAME Ripon-341 DRILLING STARTED 24-Feb-99
<br /> LOCATION 341 Main Street, Ripon,California DRILLING COMPLETED 24-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 10" SCREENED INTERVAL 22 to 37 ft bgs
<br /> LOGGED BY B Jakub DEPTH TO WATER(First Encountered) 27 4 ft(24-Feb-99)
<br /> REVIEWED BY O Ratchye, PE _ DEPTH TO WATER(Static) NA
<br /> REMARKS Hand augered to 5'bgs, located SE corner of gasoline USTs
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<br /> C1 Q �� w z
<br /> o = O,� a_ H w- ¢O LITHOLOGIC DESCRIPTION z= WELL DIAGRAM
<br /> CO < w Q 0a
<br /> w
<br /> _SPH
<br /> ALT 05
<br /> Silty SAND, (SM), light olive brown(2 5Y5/6), medium
<br /> dense,damp,33%silt,65%fine to coarse grained sand,
<br /> 2%fine grained gravel, high to moderate estimated
<br /> permeability,mica
<br /> 0 T- moderate estimated permeability, no mica
<br /> 5 Portland Type
<br /> /II
<br /> 4
<br /> 5 EW-2 @ 6 5'-45%silt 55%fine to very fine grained sand,trace
<br /> 7 -65 SM mica
<br />�, 11
<br /> 12 10
<br /> 15
<br /> 4"dram ,
<br /> 37 142 Schedule 40
<br /> 50 Sandy SILT, (ML),light olive brown(2 5Y5/4) hard, PVC
<br /> 15 damp 3%clay,521/6 silt, 45%very fine grained sand,
<br /> slight plasticity, low to moderate estimated permeability
<br /> ML
<br /> I
<br /> 26 19 0 Bentonite Seal
<br /> 27 SAND (SW),light olive brown(2 5Y513) dense moist
<br /> W-2 20 to wet 10%silt,90%very fine to medium grained sand,
<br /> E
<br /> 38 -20 mica,quartz Monterey
<br /> SW Sand#212
<br /> LL
<br /> W
<br /> 240
<br /> 36 ML Sandy SIL, (ML),olive brown(2 5Y4/4),hard, moist to
<br /> 0 50 25 wet,2%clay,80%silt, 18%very fine grained sand slight 24 9
<br /> a lasticity low estimated permeability,occasional fine
<br /> C; \aPrainen lense throughout
<br /> ED
<br /> SM Silty SAND, (SM),30%silt,70%very fine to fine 2124199
<br /> grained sand, grades to sand -
<br /> z
<br /> r — 290
<br /> 28 SAND (SW), light olive brown (2 5Y5/4),dense, 4"-diam ,
<br />{F
<br /> 50 30 saturated, 10%silt, 90%medium to fine grained sand 0 010" Slotted
<br /> mica,quartz Schedule 40 —�
<br /> 0PVC
<br /> t SW
<br /> a
<br /> J 17
<br /> 35 0
<br /> Continued Next Pago PAGE t of z
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