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PROJECT 541 WEST GRANT LINE ROAD L� of BOrfn TR-4 <br /> g g <br /> Tracy, California <br /> ' PAGE 1 OF 1 <br /> Boring location See Site Plan, Figure 3 Lagged by R Richards <br /> Date started 9122/03 1 Date finished 9/22103 <br /> ' Drilling method Direct push,geoprobe model 5400 mounted on Bobcat <br /> Hammer weight/drop - Hammer type --- <br /> Sampler 2-inch-diameter split barrel continuous core <br /> z SAMPLES <br /> W �, g a <br /> MATERIAL DESCRIPTION <br /> w R sample n oz m m o <br /> 0 Number M m U 8 O <br /> ' JSurface Conditions Gravel <br /> TR-4 SO GP GRAVEL(GP) <br /> ® gray, loose,dry, stab-angulargravel,(up to 114-inch-diameter), <br /> <10 percent sand FILL <br /> t 2 241 CLAYEY GRAVEL with SAND(GC) <br /> 48 GC brown, loose, dry,sub-angular gravel, <10 percent sand, 40-45 percent fines, no <br /> 3 odor, FILL <br /> 4 <br /> ' CLAY with SAND(CL) <br /> 5 dark gray-brown,stiff, dry to moist,<15 percent fine-grained sand, <br /> CL calcium carbonate stnngers,trace organics, no odor <br /> 6 60 481 <br /> ' 4$ <br /> 7 CLAY(CL) <br /> 8 brown,stiff,moist,slightly plastic, <15 percent fine-grained sand, hydrocarbon <br /> CL odor <br /> 9 <br /> 10 <br /> 481 <br /> 48 55 CL SILTY CLAY(CL) <br /> 11 gray with black streaks,soft,wet, slightly plastic, <10 percent sand,strong <br /> ' hydrocarbon odor <br /> 12 CL wet 10 to 12 feet some sand stringers,trace organics <br /> CLAY(CL) <br /> 13 gray-brown,very stiff, moist to wet,plastic, <5 percent sand, dark gray clay clods, <br /> weak h drocarbon odor <br /> ' 14 CLAY(CL) <br /> 15 CL brown,stiff to very stiff, moist,plastic, <5 percent fine-grained sand, no odor <br /> 16- <br /> 17- <br /> 18- <br /> 19- <br /> 20- <br /> 21- <br /> 22- <br /> 23- <br /> 24- <br /> 26— <br /> R <br /> 6171a19202122232426R 27- <br /> 72829 28- <br /> 29 <br /> W 30 <br /> aBoring terminated at 46 0 feet <br /> Boring backfilled with cement grout TMIMM IRRollo <br /> Temporary 1 inch PVC screen from 11 to 16 feet <br /> F Protect No =F�w357A-4 <br /> lu <br />