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Cambria Environmental Technology, Inc BORING/WELL LOG <br /> 270 Perkins Street <br /> Sonoma, California 95476 <br /> Telephone (707) 935-4850 <br /> Fox (707) 935-6649 <br /> CLIENT NAME Shell Oil Products US BORINGIWELL NAME MW-9 <br /> JOB/SITE NAME Former Shell Service Station DRILLING STARTED 29-Dec-04 <br /> LOCATION 1313 East Charter Way,Stockton,California DRILLING COMPLETED 29-Dec-04 <br /> PROJECT NUMBER 1511 WELL DEVELOPMENT DATE(YIELD) 05-Jan-05(9 5 gallons) <br /> DRILLER Gregg Drilling GROUND SURFACE ELEVATION 17 54 it above msl <br /> DRILLING METHOD Hallow-stem auger TOP OF CASING ELEVATION 17 17 ft above msl <br /> BORING DIAMETER 8" SCREENED INTERVAL 38 to 53 fbg <br /> LOGGED BY S Lewis DEPTH TO WATER(First Encountered) 47 0 ft(29-Dec-04) <br /> REVIEWED BY J Neely,RG 6927 - _ DEPTH TO WATER(Static) 43 3 ft(24-Jan-05)_ 1 <br /> REMARKS <br /> L)Ecn 0 U L)e <br /> CL z <br /> O Z a Lu w ¢a p SOIL DESCRIPTION Y WELL DIAGRAM <br /> a. mV < 0 O = 0 Ua <br /> ASPHALT 02 <br /> Clayey SILT(ML),dark yellowish brown(10YR 414), <br /> moist, 30%clay,70%silt,low to medium plasticity <br /> 00 MW-9-6' 5- <br /> 00 <br /> 00 MW-9- 10 @ 10'-light yellowish brown(10YR 614),moist,30%clay, <br /> 11' 65%silt,5%fine to medium sand,low to medium <br /> plasticity <br /> 00 MW-9- 15- <br /> 16' <br /> Portland Type <br /> I/it <br /> 00 MW-9- 20 @ 20'-yellowish brown(10YR 514) <br /> 21' <br /> r <br /> ML <br /> J <br /> 0 00 MW-9- 25 <br /> 28' <br /> 'a <br /> c7 <br /> F <br /> z <br /> i7 <br /> n <br /> 00 MW-9- 30 @ 30'-low plasticity,light gray(10YR 711)mottling <br /> 31' <br /> 0 <br /> a <br /> 0 <br /> D <br /> J <br /> J <br /> J <br /> 35 <br /> Continued Next Page PAGE 1 of 2 <br />