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SECOR <br /> InternatwnalIncorporated <br /> =LoggedDate Drilled Drilling Contractor Project Name Method/Equipment Well Number <br /> ARCO#595 HOLLOW STEM AUGER <br /> 6/24/02 CASCADE STOCKTON,CA SPLIT SPOON DMW-1 <br /> See"Legend to Logs"for Bonng Surface Groundwater Depth(ft) Total Drive Drop <br /> sampling method, Diam(in) Elev(ft) V 67 FIRST WATER Depth(ft) wt(lbs) Dist(in) <br /> classifications methods <br /> and laboratory 8 34 30 TOC t 63 STABILIZED 1015 <br /> tesgn methods <br /> w <br /> Well 8 <br /> x a Description >� <br /> Construction Q m &n Z <br /> • 50 dense,moist(0,90,10,0) @49' <br /> 5 <br /> A a? <br /> . . <br /> v 0 Same as above with increased grain size to medium-grained sand <br /> 31 1 0 DMWI <br /> d 55 36 SANDY SILT(ML) dark grayish brown(10YR4/2),sand is @54' <br /> 40 fine-grained,hard,moist,low plasticity,cemented,subangular blocky <br /> soil structure(0,35,65,0) <br /> e A <br /> e e ii <br /> 31 SAND(SP) light olive brown(2 5Y5/3),sand is fine-grained,very 2 DMWI <br /> 0 60 35 dense,moist(0,100,0,0) @59' <br /> ! ! 35 SANDY SILT(ML) with trace clay,olive brown(2 5Y4/3),sand is <br /> fine-grained,hard,moist,low plasticity(0,35,65,0) <br /> 29 0 DMWI <br /> 0 0 65 32 Same as above,moist @64' <br /> 37 <br /> 0 0 <br /> .V ! <br /> Wet at 67 feet <br /> h A <br /> 30 SILTY SAND(SM) yellowish brown(10YR5/4),sand is 0 DMWI <br /> �0 32 fine-grained,dense,wet(0,80,20,0) @69' <br /> 33 <br /> 9 O <br /> p e <br /> 39 0 MW <br /> The substrata descriptions above are generalized representations and based upon visual/manual classification of cuttings and/or <br /> samples obtained during dnllmg Predominant material types shown on the log may contain different materials and the change from <br /> one predoininant matenal 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 77BP 50595 00 0330 Date 8/6/02 GMH Log of Well <br /> 595DMW-1 GP] Approved by <br /> LOG OF BOREHOLE <br /> Figure (sheet 3 of 5) <br />