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1 1 II <br /> SECOR <br /> International Incorporated <br /> [7Logled : Date Drilled: Drilling Contractor Project Name: Method/Equipment: Well Number.V &W RANCH MARKET HOLLOW STEM AUGER <br /> 7/10/02 DRILLING RIVERBANK,CA SPLIT SPOON S- <br /> See"Legend to Logs"for Boring Surface Groundwater Depth(f(.): Total Drive Dr t, <br /> sampling method, Diam.(in.): Elev.(ft.): Depth(ft.): wt.(lbs.): Dist.(in.): <br /> classifications and laboratory 44.0 140 30 <br /> testing <br /> o tin methods8 <br /> Well N <br /> Construction o Description <br /> v7 <br /> 0.75"SCH <br /> 80 PVC <br /> CASING <br /> 30 <br /> 16 CLAYEY SAND(SC):dark grayish brown(2.5Y4/2),fine-grained sand, 3 <br /> low plasticity,loose,wet,no hydrocarbon odor(0,70,10,20). <br /> BENTONITT <br /> 35 <br /> SEAL 50 SAND (SW):olive brown(2.5Y4/4),medium-to coarse-grained sand, 3 <br /> • subrounded to round,medium dense,wet,no hydrocarbon odor(0,100,0,0). <br /> Grades to:GRAVELLY SAND(SW): gravel to 1-inch diameter,angular to <br /> #3 SAND subangular. <br /> • Sand fines upward from 35 to 36.5 feet. <br /> 2" <br /> SPARGE <br /> ` POINT 40 <br /> Driller reports cobbles from 42 to 44 feet. <br /> 45 <br /> The substrata descriptions above arc generalized representations and based upon visual/manual classification of cuttings and/or <br /> samples obtained during drilling. Predominant material types shown on the log may contain different materials and the change from <br /> one predominant material type to another could be different than indicated. Descriptions on this log apply only at the specific location <br /> at the time of drilling and may not be representative of subsurface conditions at other locations or times. <br /> Project No. 770TA3622.01.0003 Date 8/21/02 PR Log of Well 1 <br /> RM_S14.GPJ Figure <br /> LOG OF BOREHOLE <br /> (sheet 2 of 2) <br />