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1 <br /> SECOR <br /> Intermuonal IneRTorated <br />-' Logged By Dates Dnlled Drilling Contractor Project Name Method/Equipmenti— - Well Number <br /> 7/16101 WEST ARCO#4932 SPLIT SPOON- - CM 7/16101 HAZMAT - --STOCKTON,CA— - --HSA - --MW-7 - <br /> See"Legend to Logs"for Boring Surface Groundwater Depth(ft) Total Drive Drop <br /> ' sampling method, Diam(in) Elev(ft) V 25 5 FIRST Depth(ft) wt(lbs) Dist(in) <br /> classifications and laboratory <br /> testin methods 8 NA t 26 73 STABILIZED 405 140 30 <br /> ' Well <br /> W 3 Description <br /> Construction <br /> � � w <br /> TRAFFIC Concrete <br /> RATED Gravelly sand(fill) <br /> WELL BOX <br /> A. A. SILTY CLAY(CL) very dark gray(10YR3/1),fine-grained sand,moderate <br /> plasticity,very stiff,moist(0,20,30,50) <br /> ' • GROUT <br /> 5— <br /> A : A SANDY SILT(ML) brown(10YR4/3),fine-grained sand,low plasticity,very stiff, <br /> ' dry to moist,abundant rootholes(0,35,65,0) <br /> A A <br /> 7 <br /> 10 10 <br /> 15 <br /> K <br /> D D <br /> 1 , <br /> k <br /> a a 13 Same as above <br /> 15 17 <br /> 17 <br /> ' <br /> BENTONITI <br /> SEAL <br /> SAND <br /> 12 Same as above <br /> 20 18 SILTY SAND (SM) dark yellowish brown(10YR4/4),fine-grained sand,dense, <br /> 2" 24 moist 0 75 25 0 <br /> SLOTTED CLAYEY SILT(ML). light yellowish brown(2 5Y6/3),fine-grained sand, <br /> SCREEN moderate plasticity,very stiff,moist,abundant caliche(0,15,55,30) <br /> 9 <br /> The substrata descriptions above are genera ized representations and based upon visuallmanual 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 /> iProject No 077 43286 330 Date 8/14/01 PR Log of Well <br /> I� 4932MW 7 GPJ Approved by <br /> I LOG OF BOREHOLE <br /> Figure (sheet 1 of 2) <br />