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SECOR <br /> Litemataonai Incorporated <br /> Logged By Date Drilled Drilling Contractor Project Name Method/Equipment Well Number <br /> ARCO Station#4932 HSA-Spirt Spoon <br /> D Harp 8/22/00 West Hazinat 16 E Harding Way,Stockton,CA CME-75 MW-3 <br /> ' See"Soil Clasitication Chart" Boring Surface Groundwater Depth(ft) Total Drive Drop <br /> for Soil Classifications and Diam(in) Elev(ft) V 27 8 First Water Depth(ft) wt(lbs) Dist(in) <br /> Designations <br /> 10 T 27 8 Stabilized Water 415 140 30 <br /> Well z <br /> Construction _ o Description <br /> ' a <br /> CasM Eley 40 <br /> , well box o ASPHALT,GRAVEL,(AB)(0 to 3 0) <br /> ' o <br /> 0 <br /> e d p <br /> cement o <br /> 9 0 4"blank SILTY SAND(SM) Brown(7 5YR 4/3),fine grained,well graded, <br /> • casing non cohesive,medium dense,moist,no hydrocarbon odor (50,30,20) <br /> bentonite 5 12 CLAYEY SAND(SC) Dark Yellowish Brown(10YR 414),fine 0 MW-3 <br /> seal 15 grained,well graded,slightly cohesive,medium dense,moist,no @5 <br /> 11 hydrocarbon odor (40,25,35) <br /> ' 4"slotted 10 13 SILTY SAND(SM) Brown(1 OYR 4/3),fine grained,well graded, 0 MW-3 <br /> 0 020 casing 15 non cohesive,medium dense,dry,no hydrocarbon odor (50,30,20) @10 <br /> 20 <br /> 1 <br /> ' 15 13 SILTY SAND(SM) Olive Brown(2 5YR 4/3),fine grained,well 2 MW-3 <br /> 15 graded,non cohesive,slight staining,medium dense,dry to moist, @15 <br /> I7 hydrocarbon odor (55,30,15) <br /> 1 <br /> 20-- <br /> - 15 CLAYEY SAND(SC) Dark Grayish Brown(2 5Y 4/2),fine 3 MW-3 <br /> 15 grained,well graded,slight staining,medium dense,slightly moist, @20 <br /> 20 hydrocarbon odor (50,20,30) <br /> The substrata descriptions above are 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 077 41983 330 Date 10/19/00 Log of Well <br /> ' 4932 GPJ Figure <br /> LOG OF BOREHOLE <br /> (sheet 1 of 2) <br /> 1 <br />