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Cambria Environmental Technology, Inc. <br /> BORING/WELL LOG <br /> 1144 -65th St. <br /> Oakland, CA 94608 <br /> Telephone: (510) 420-0700 <br /> Fax: (510) 420-9170 <br /> KLIENT NAME E uilon Enterprises-LLC BORINGIWELL NAME MW-3 <br /> 013/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 GreggDrilling GROUND SURFACE ELEVATION <br /> DRILLING METHOD Hallow-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. Ratch a PE DEPTH TO WATER(Static) NA <br /> REMARKS Hand augered to 4 5'bqs;located behind station building. <br /> D � � <br /> a uj <br /> O Z -' 1-4' a s �? I p LITHOLOGIC DESCRIPTION WELL DIAGRAM <br /> ZF <br /> LU <br /> I a <br /> L7 0.5 <br /> Silty SAND; (SM);dark brown(10YR3/3);loose;dry; <br /> 3%clay,351/6 silt,60%fine grained sand,2%fine grained <br /> gravel;no plasticity;moderate estimated permeability; <br /> trace mica. <br /> SM <br /> 3 <br /> 4 MW-3 5 Portland Type <br /> PII <br /> 5 -5 <br /> 7.5 <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 9.5 <br /> 25 .. <br /> 40 10 Sllty SAND;light olive brown(2.5Y513);very dense;dry; <br /> 2%clay,45%silt,53'/sand;no plasticity; moderate to <br /> SM high estimated permeability. <br /> 14.0 <br /> is SAND; (SW);brown(10YR5/3);dense;damp;10%silt, <br /> 22 15 90%very fine to fine grained sand. 2^diam., <br /> 4 SW @ 15'-light brownish gray(2.5Y6/2);5%silt,95%fine to <br /> medium grained sand. Schedule 40 <br /> 17.0 PVC <br /> Sandy SILT;(ML);light olive brown(2.5Y5/6) mottled <br /> with brownish yellow(10YR6/8);hard;damp;55%silt, <br /> 40%very fine grained sand,5°/gravel;slight plasticity; <br /> 47 moderate to low estimated permeability;trace clay <br /> Sas 20 nodules. <br /> o ML <br /> c? <br /> r <br /> Bentonite Seal <br /> 4 <br /> W <br /> O <br /> 18 24'0 Monterey <br /> ML11 <br /> 511E(ML); light olive brown(2.5Y5/3);hard;moist; 25 Q Sand#2/12 <br /> 35 MW-3 P5 10%clay,85%silt,5%very fine grained sand;low to <br /> 0 50 -24.5 i 1 ti i w f il' i <br /> R S"'y--$ASID;(SM);dense;moist;5%sift,85%very fine <br /> o SM to fine grained sand. <br /> m <br /> FP 29.0 <br /> �IL 27 �,L�li l�Ill VfI VIC Vf VnYII 1L.V 1 JlJf,I+A+ 1, <br /> 5. 303Q clay,90%silt,5°k very fine grained sand; Igw V 223/99 SZ <br /> plasticity;low to moderate estimated permeability;mica-, <br /> ML roots throughout sample- <br /> a- 33.5 <br /> 17 SAD;saturated;5%silt,85%fine to coarse grained <br /> 5016 sand, 10%Nsubangular to subrounded fine grained gravel. <br /> w 35 <br /> Continued Next Page <br />