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SECOR <br /> - Irsteneatsona!Inco rated - - - - - - — <br /> Logged By Date Drilled Drilling Contractor Project Name Mott od/-gmptrment Wel]Number- <br /> ARCO Station#4932 HSA-Split Spoon <br /> D Harp 8122100 West Hazmat �116 E Harding Way,Stockton,CA CME-75 Mw-3 <br /> See"Soil Clasificalion Chart' Boring Surface Groundwater Depth(ft} `total Drive Drop <br /> for Sotl Classifications and Diam(in) Elev(ft) 5Z 27 8 First Water Depth(ft) wt(lbs) Dist(in) <br /> Designations 10 -T 27 8 Stabilized Water 415 140 30 <br /> v <br /> > cd <br /> ev U �b E z <br /> Well W 3 Description q a a <br /> Construction Q a <br /> Casing Elev 40 Cn <br /> well box o ASPHALT,GRAVEL,(AB)(0 to 3 0') <br /> 0 <br /> 0 <br /> b a o <br /> ' cement <br /> 0 0 4"blank SILTY SAND(SM) Brown(7 5YR 413), 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 /> !1 hydrocarbon odor (40,25,35) <br /> 4"slotted 10 13 SILTY SAND(SM) Brown(10YR 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 /> 15 13 SILTY SAND(SM):Olive Brown(2 5YR 413),fine grained,well 2 MW-3 <br /> 15 graded,non cohesive,slight staining,medium dense,dry to moist, @15 <br /> 17 hydrocarbon odor (55,30,15) <br /> 20 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 generahzed 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 /> Protect No 077 41483 330 Date 10/19/00 <br /> Log of Well <br /> 4932 GPJ Figure <br /> LOG OF BOREHOLE (sheet l of 2) <br />