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Cambria Environmental Technology, Inc BORING/WELL LOG <br /> " 19 270 Perkins Street <br /> Sonoma, California 95476 <br /> Telephone (707) 935-4850 <br /> Fax (707) 935-6649 <br /> CLIENT NAME Shell Oil Products US BORING/WELL NAME MW-8 <br /> . <br /> JOB/SITE NAME Shell-branded Service Station DRILLING STARTED 16-Au -02 <br /> LOCATION _ 6131 Pacific Avenue_ Stockton,CA DRILLING COMPLETED _ 16-Aug-02 _ <br /> PROJECT NUMBER 0854 WELL DEVELOPMENT DATE(YIELD) 21-Aug-02(16 gallons) _ <br /> DRILLER Grego Drilling GROUND SURFACE ELEVATION 12 59 ft above msl <br /> DRILLING METHOD _ Hollow-stem auger — TOP OF CASING ELEVATION 12 40 ft above msl <br /> BORING DIAMETER 8" SCREENED INTERVAL 25 to 45 fb <br /> LOGGED BY G Mammim DEPTH TO WATER(First Encountered) 35 0 ft(16-Aug-O2)____ Q <br /> REVIEWED BY J Neely,RG 6927 DEPTH TO WATER(Static) 35 5 ft(03-Sep-02) t <br /> REMARKS <br /> O ~ U U <br /> o O Z a � w w a 0 LITHOLOGIC DESCRIPTION 9 2 WELL DIAGRAM <br /> m0 ¢ w p = ccs 00� <br /> EL co � 0 0 <br /> ASPHAt 0 5 <br /> Clavev SILT,(ML),very dark gray(10YR 3/1),moist, <br /> 20%clay,75%silt,5%fine sand,medium plasticity <br /> 00 MW-8- 5 @5'-brown(10YR 413), 15%clay,80%silt,5%fine sand, <br /> 5 5' low plasticity <br /> 00 MW-8- 10 Portland Type <br /> 105, ML I/ll <br /> • <br /> 00 MW-8- <br /> 15 <br /> 15 5' <br /> 00 MW-8- 20 020'-1"n�y_SILT,(ML),5%clay,70%silt,25%fine <br /> 20 5' sand, no plasticity <br /> 230 Bentonite Seal <br /> Monterey <br /> 0 0 MW-8- 25 SM Silty SAND, (SM),dark yellowish brown(10YR 3/6), Sand#2112 <br /> 25 5' moist 5%clay,30%silt,65%fine sand <br /> 280 <br /> 00 MW-8- 30 ML Clayey SILT,(ML),olive brown (2 5Y 4/4),moist, 15% <br /> 30 5' clay,80%silt,5%fine sand,low plasticity <br /> a <br /> 330 <br /> 35 2"-diam <br /> r <br /> 00 MW-8- Silty SAND, (SM),alive brown(2 5Y 414),wet,50/6 clay, <br /> 0 020"Slotted <br /> 4 35 5' 35%silt,60%fine sand Schedule 40 <br /> o SM PVC <br /> a <br /> 00 MW-8- 40- <br /> 40 5' 420 <br /> a <br /> z 0 044- 45---1ML �SALT,(ML),olive brown(2 5Y 414),wet,5%clay, 450 <br /> 75%silt 20%fine sand, no lastic� Bottom of � <br /> a Boring 0 45 ft <br /> a i <br /> J <br /> J <br /> 3W <br /> PAGE i of 1 <br />