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SECOR <br /> Irirarna8oncllnco omred <br /> :!*d By Date Dnl1ed Dnlling Contractor Project Name MethodlEquipment Well Number <br /> ARCO#595 HOLLOW STEM AUGER <br /> M 6/25/02 CASCADE STOCKTON,CA SPLIT SPOON DMW-2 <br /> See"Legend to Logs"far Bonng Surface Groundwater Depth(ft) Total Drive Drop <br /> sampling methal, Dram(in) Elev(ft.) SZ 63.5 FIRST WATER Depth(R) wt(lbs) Dist(In) <br /> clamficatro.and laboratory <br /> methodsAll <br /> 8 33.62 TOC 62 STABILIZED 102.0 <br /> Well a °` <br /> Construction o Description <br /> ey <br /> 26 SILTY SAND(SW dark yellowish brown(10YR-3/4),sand is @74' <br /> 28 fine-grained,very dense,wet(0,80,20,0) <br /> v v <br /> 24 SANDY SILT(ML) with clay,brown(10YR-5/3),sand is 0 <br /> b a 80 29 fine-grained,hard,moist,moderate plasucny(0,30,60,10) 079' <br /> P A <br /> es <br /> � 1 <br /> 31 Same as above,no clay,moist to wet(0,40,60,0) 0 <br /> 85 42 @94' <br /> 50/4 <br /> � e <br /> r <br /> 27 0 <br /> 90 39 SAND(SP):with silt,dark yellowish brown(IOYR-3/4),sand is 089' <br /> 43 fine-grained,dense,wet(0,95,5,0) <br /> BENTONM <br /> SEAL No ER2pvea,driller Leports: bard matenal <br /> SANDY SILT(ML):with clay,brown(10YR-4/3),sand is <br /> fine-grained,hard,moist,moderate plasticity(0,30,60,10) <br /> #3 SAND 5015 DMM <br /> 95 @94' <br /> 2"DIA <br /> w 0 021, 37 4 MM <br /> SLOTTED 50 Same as above,moist to wet(0,40,60,0) 096 5' <br /> SCREEN 4 <br /> 501,111 SII.TY SAND(SM)-olive brown(2 SY4/3),sand is fine-grained, 0 <br /> The substrata descriptions above are generalized representations and based upon visual/manual classtftcation of cuttings and/or <br /> samples obtained during dnlhng 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 cotidittons at other locations or times <br /> Project No 77BP 50595,00 0330 Date 8/7/02 GME LOg Of Well <br /> 595DMW-2 GP] Approved by <br /> LOG OF BOREHOLE <br /> Figure (sheet 4 of 5) <br />