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Cambria Environmental Technology, Inc <br /> 1144 - 65th St BORING/WELL LOG <br /> Oakland, CA 94508 <br /> Telephone (510) 420-0700 <br /> •CLIENT NAME <br /> Fax (510) 420-9170 <br /> _ BP Oil Company BORINGIWELL NAME MW-2 <br /> JOB/SITE NAME BP-11191 DRILLING STARTE=D 10-Dec-01 <br /> LOCATION 1469 East Hammer Lane,Stockton, CA DRILLING COMPLETED 10-Dec-01 <br /> PROJECT NUMBER 852-1709 WELL DEVELOPMENT DATE(YIELD) NA <br /> DRILLER V&W Drilling _ GROUND SURFACE ELEVATION <br /> DRILLING METHOD Hollow-stem auger TOP OF CASING ELEVATION NA <br /> BORING DIAMETER 8-inch SCREENED INTERVAL 45 to 60 It bgs <br /> LOGGED BY S Dwight DEPTH TO WATER(First Encountered) 45 5 ft(10-Dec-01) <br /> REVIEWED BY_ K Rahman, RG „ DEPTH TO WATER(Static) NA T 1 <br /> REMARKS Hand auciered to 5'bas <br /> � ao <br /> CL LU <br /> q Z d w ¢O LITHOLOGIC DESCRIPTION = WELL DIAGRAM <br /> CD _jF- <br /> a. a mU ¢ � Oa <br /> F- U In U W <br /> D <br /> ASPHALT 05 <br /> SILTY CLAY(CL) dark grey,dry,50%clay,25%silt,2_5_% <br /> fine to coarse gravel moderate plasticity,low estimated <br /> CL permeability <br /> 5 _ % — _ 50 <br /> t 1 1z SANDY SILT(ML), light brown,dry,5%clay,80silt, <br /> 15 MW 2 6 15%fine grained sand,low plasticity,low estimated <br /> permeability <br /> 0 s 10 @10' light brown moftled with light grey and orangeish <br /> 1s MW 2 brown, 750/.silt,20%fine grained sand <br /> 11 <br /> 31 ,n 15 @15' light brown,low to moderate estimated permeability <br /> 15 Mw 2 <br /> 1s <br /> 7 20 ML <br /> 0 77 @20' 60%silt,40%fine grained sand,no plasticity Portland Type <br /> 24t7i MW 2 1111 Cement <br /> a 21 <br /> w <br /> 0 <br /> 'a <br /> c7 <br /> m <br /> r 04 Mw z- <br /> 25 @25' 5%clay,55%silt <br /> m <br /> 255 <br /> v <br /> i <br /> 0 1e. 30— @30' 45%fine grained sand <br /> x <br /> 'Z MW 2 <br /> t 31 <br /> n <br /> n. <br /> J <br /> J <br /> 35 350 <br /> Continued Next Page PAGE 1 OF 2 <br />