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SECOR <br /> -0 <br /> GiteniateonalIncorporated - - - - - - - - <br /> Logged By Date Drilled Drilling Contractor Project Name Method/Equipment Well Number <br /> ARCO Station 44932 HSA-Split Spoon <br /> D Harp 8121/00 West Hazmat 16 E Harding Way,Stockton,C CME-75 MW-1 <br /> See"Soil Clasification Chart" (ft � 2$5 First Water BorinSurface Groundwater Depth(ft) Total Drive Drop <br /> for Soil Classifications and Diant(iElev Depth(It) wt(lbs} Dist(in) <br /> ) <br /> Designations 109 T- 26 95 Stabilzed Water 41 5 140 30 <br /> L <br /> F2 cd <br /> o w E z <br /> Well 2 3 Description <br /> Qa <br /> Construction v C ° 0 <br /> C� V) <br /> Cd <br /> Casing Elev 40 <br /> well box a ASPHALT,GRAVEL,(AB)(0 to 3 0') <br /> O <br /> O <br /> p O <br /> ` cement ° <br /> 0 4" blank Not enough recovery to log or take a PID reading <br /> • casing <br /> bentonite <br /> 5 25 SILTY SAND(SM) Brown(7 5YR 4/3),fine grained,poorly 0 MW-1 <br /> seal 25 graded,non plastic,dense,dry,no hydrocarbon odor (50,35,15) <br /> 30 <br /> t0 22 SILTY SAND(SM) Brown(7 5YR 414),very fine grained,poorly 0 MW-1 <br /> 4" slotted @10 <br /> ` 0 020 casing 27 graded,non plastic,dense,slightly moist,no hydrocarbon odor <br /> 30 (40,35,25) <br /> 15 10 SILTY SAND(SM) Strong Brown(7 5YR 4/6),very fine grained, 0 M <br /> 15 poorly graded,non plastic,dense,slightly moist,no hydrocarbon odor @1155 <br /> 22 (50,30,20) <br /> 20 15 CLAYEY SAND(SC):Dark Grayish Brown(2 5Y 4/2),fine to 0 MW-I <br /> 20 medium grained,moderately graded,low plasticity,dense,moist,minor @,20 <br /> 25 hydrocarbon odor (50, 15,35) <br /> The substrata descriptions above are generalized representations and based upon vtsuaUmanual classification of cuttings and/or <br /> samples obtained during drilling Predominant material types shown on the log may contain different materials a hththe <br /> ocange atton <br /> one predominant material type to another could be different than indicated Descriptions on this log appy y <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 /> Figure <br /> 4912 GP7 <br /> LOG OF BOREHOLE (sheet I of 2) <br />