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loft <br />e .f <br />Log of Boring <br />U--7 <br />Gettler—f3yan. Inc. <br />Unocal Service Station No. 0123 LOCATION: X734 Centra! Avenue. Tracy. CA. <br />PROJECT: l=oaner <br />CASING ELEVATION: <br />GR PROJECT NO.: 240073.04 <br />WL (,f t. bgs): 10.54 GATE: W13/00 <br />TIME: 13:35 <br />PATE STARTED: 11/13/00 <br />WL (ft. bgs): DATE: <br />TIME: <br />PATE FINISHED: 11/!3/OQ <br />TONAL <br />DEPTH: 21.5 feet <br />GRILLING METHOD: 8 in. Hollow Stem Auger <br />GEOLOGIST: <br />David Hertog <br />DRILLING COMPANY: Cascade Grilling <br />ua <br />C13 © cn <br />WELL DIAGRAM <br />M V) <br />z <br />GEOLOGIC <br />DESCRIPTION <br />9 U J <br />Y� a to C a a= <br />a <br />o xUl CC <br />mA <br />O" <br />asphalt - 1.5 feet thick. <br />U <br />GM <br />SILTY GRAVEL WITH SANG (GMI - very dark brown <br />(1OYR 212), dry; 60% ,fine gravel. 30X sand. tOX silt. <br />< q <br />U <br />CL <br />CLAY (CL) - very dark grayish brown (IOYR 3/2), <br />4 <br />ML <br />damp: 90% clay. i0% fine sand. <br />SANDY SILT (ML) -grown (10YR 413), moist. stiff: <br />} <br />i <br />4 <br />' <br />70X silt. 30% fine sand. few very fine calcium <br />trace of fine gravels, trace of fine <br />a I <br />carbonate nodules. <br />Iron azide nodules. <br />192 9 <br />U <br />SILTY (SM) - <br />olive brown (2.5Y 4/4) <br />_ <br />SM <br />-"SAND <br />saturated. medium dense: 80X -70X fine sand. 30-40X <br />4 <br />8 <br />silt, few fine iron oxide <br />nodules. trace of fine gravel. <br />c <br />c <br />C.) c <br />— <br />o N <br />380 ML <br />5ILT (ML) - olive g jay <br />(5Y 4121, moist, stiff'. 90% silt. <br />10% fine sand few calcium <br />carbonate veins. <br />a <br />SILTY SAND (SM) = yellowish brown (IOYR 5/4). <br />y <br />SM <br />saturated medium ense. 10% fine sand. 30% silt. <br />I <br />In <br />k <br />348 ri U'7 -i8 <br />ML <br />SANDY SILT (ML) = iight olive brown (2.5Y 5/4), moist: <br />80% silt. 40% fine and, trace of medium to coarse <br />_ a <br />sand trace of tine gravels. <br />" <br />m <br />a <br />20 <br />III!! <br />rrf <br />30.4 U-7-21 <br />Bottom of boring <br />at 21.5 feet bgs. <br />(�( - Converted t <br />e4uivalent standard penetration <br />blows/toot.) <br />loft <br />