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SECOR 1 <br /> International Incorporared <br /> Logged By Dates Drilled Drilling Contractor Project Name Method/Equipment Well Number ' <br /> 7/16101 WEST ARCO#4932 SPLIT SPOON <br /> DH 7/16101 HAZMAT STOCKTON,CA HSA MW <br /> See"Legend to Logs"for Bonng Surface Groundwater Depth(ft) Total Drive Drop <br /> sampling method, Dram(in) Elev(ft) _7 28 5 FIRST Depth(ft) wt(lbs) Dist(in) <br /> tcstmfime ho and laboratory 8 NA t 28 44 STABILIZED 415 140 30 ' <br /> te5[In methods <br /> Well z <br /> O � 1 <br /> a 3 Description <br /> Construction Q <br /> 17 SANDY SILT(ML) dark brown(10YR3/3),fine-to 0 MW-8 ' <br /> 18 medium-grained sand, low plasticity, very hard,moist,moderately @25' <br /> 50 graded,no hydrocarbon odor(0,20,60,20) <br /> 30 16 SAND (SP) dark grayish brown(10YR4/2 ,fine-grained,very 0 MW-8 , <br /> 29 dense,wet,poorly graded,no hydrocarbon odor(0,90,10,0) @30' <br /> 5012" ' <br /> 35 ' <br /> 13 SAND(SP) fine-to medium-grained,dense,very wet,moderately <br /> 15 sorted(0,95,5,0) , <br /> 20 <br /> THREADED 40 <br /> END CAP 11 CLAYEY SILT WITH SAND(ML) dark yellowish brown 0 MW-8 <br /> 13 (10YR3/4),very fine-grained sand,moderate plasticity,very stiff,very @40' ' <br /> 15 moist to wet 0 15,50,3 5 <br /> 45 <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 drtlling and may not be representative of subsurface conditions at other locations or times , <br /> Project No 077.43286 330 Date 8114101 PR Log of Well 0 <br /> 4932MW8 GP] Approved by ' <br /> LOG OF BOREHOLE <br /> Figure (sheet 2 of 2) <br />