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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 Egwlon.Enterprises LLC BORING/WELL NAME EW-1 <br /> JOB/SITE 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 Hallow-stem auger TOP OF CASING ELEVATION NA <br /> BORING DIAMETER 10" SCREENED INTERVAL 22 to 42 ft bgs <br /> LOGGED BY B Jakub DEPTH TO WATER(First Encountered) 28 6 ft 24-Feb 99 <br /> REVIEWED BY O.Ratchye, PE DEPTH TO WATER(Static) NA <br /> REMARKS Hand au ered to 4' b s located S of dispensers <br /> CL CL Lu co <br /> o � <br /> E <br /> O 7� LU a U) a O LITHOLOGIC DESCRIPTION a WELL DIAGRAM <br /> M 0 ¢ LU O m <br /> O <br /> H u] V w <br /> m <br /> 05 <br /> SAND (SW),olive brown (2 5Y4/4),damp, 10%silt, <br /> 89%very fine grained sand, 1%fine grained gravel <br /> 6 <br /> tv SW • • Portland Type <br /> 11 5 i/II <br /> Le , Silty SAND (SM) olive brown(2 5Y413),damp, 20% 90 <br /> 05 t EVti- 10 silt,80%sand <br /> -9 5 <br /> I SM <br /> 140 4"dram , <br /> oz <br /> 32 Sandy SILT, (ML) light olive brown(2 5Y5/3), hard,5% Schedule 40 <br /> 50 15— clay,60%silt,40%very fine grained sand,slight plasticity PVC <br /> ML <br /> ° 190 <br /> 22 <br /> Bentonite Seal <br /> I <br /> � 33 Silty SAND (SM),25%silt,75%fine grained sand,EW-2 <br /> 48 0- 20 mica <br /> C3 19 5 <br /> Monterey <br /> Sand#2/12 <br /> a <br /> w <br /> 139 38 <br /> 0 50 25— ® 25'-moist to wet medium to fine grained sand, MTBE <br /> Q odor <br /> m° <br /> z <br /> 0 SM 2/24/99 CZ <br /> E a 16 <br /> 32 <br /> 54 32 40 EW-5 30 <br /> -29 5 19 30'-saturated MTBE odor <br /> a 4"-diam , <br /> 0 010" Slotted <br /> Schedule 40 <br /> PVC <br /> Continued Next Page PAGE r oi=2 <br />