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`SOIL DRILLING LOG ',w SB/MW# : SB-5/MW-5 <br /> #D- <br /> CLn Page 1 of 1 <br /> a Sampler: GENE DAVIS <br /> PROJECT FORD NEW HOLLAND,STOCKTON LOCATION 2150 WEST CHARTER WAY <br /> ELEVATION MONITORING DEVICE HNu <br /> SAMPLING DATE(S) 9-17-91 START 0900 FINISH 1230 <br /> SAMPLING METHOD 2"O.D.SPLIT SPOON SUBCONTRACTOR& EQUIPMENT SPECTRUM EXPL <br /> MEMO BRASS TUBES IN SPLIT SPOON SAMPLER THROUGH 8"O.D. /ACKER AD2 <br /> HOLLOW STEM AUGER. BLOW COUNTS OBTAINED USING 140 LB HAMMER <br /> DROPPED 30"PER BLOW. NO FUEL ODORS NOTED DURING DRILLING. <br /> Penetration <br /> o ^ o <br /> om Well Construction <br /> Results ' � gmv v Z5 <br /> Details <br /> IM 0 m m E Soil Description 2 .0 to <br /> a Blows LL a m E'k a Color,Texture, Moisture,Etc. M H n• � Locking cap <br /> $ Co m = N v Traffic-rated <br /> vault box <br /> Gravel. <br /> rout(95% <br /> Olive brown (2.5Y 4/4)silt; cement,5% <br /> slightly to moderately plastic; 2.5' bentonite) <br /> very stiff; moist. Minor tubules; Bentonite <br /> abundant very fine biotite 4.0' <br /> 2"0 PVC <br /> 5' 4-8-10 18 5.0- 0 flakes. <br /> 5.0' <br /> 6.5 casing <br /> ML <br /> 8"0 Borehole <br /> 10' 8-11-21 32 10.0- 84313 0 Brown(10YR 5/3)sandy sift; <br /> 11.5 non-plastic;very stiff;moist. <br /> #2/12 Sand <br /> Olive(5Y 5/3)sand;dense, <br /> saturated. Sand is moderately <br /> 15' 14-20-20 40 15.0- 0 graded,fine to coarse. SP <br /> 16.5 <br /> 2"0 PVC <br /> 0.020-inch <br /> Light olive brown (2.5Y 5/3) slotted screen <br /> sandy silt; non to slightly ML <br /> 20- 5-7-8 15 20.0- 0 plastic;very stiff, moist. 20.0' T.D. <br /> 21.5 Sand is very fine to medium. <br /> Rusty mottles common. <br /> Dark gray(5Y 4/1)sandy silt; <br /> slightly plastic;very stiff;moist. <br /> Boring terminated at 20'. <br /> SIGNATURE OF FIELD SUPERVISOR SI N T OF EVIEWER <br /> Senior Geologist Principal Scientist <br /> TITLE TITLE <br />