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SECOR <br /> International Incorporated <br /> MLogged By Dates Drilled Drilling Contractor Project Name Method/Equipment Well Number <br /> 6124/02 ARCO#595 HSA <br /> BH 6/25/02 CASCADE STOCKTON,CA SPLIT SPOON MW-8 <br /> See"Legend to Logs"for Boring Surface Groundwater Depth(ft) Total Drive Drop <br /> sampling method, Diam(in) Elev(ft) 62 5 FIRST Depth(ft) wt(Ibs) Dist(in) <br /> classifications and laboratory <br /> testing methods 8 33 10 TOC t 62 STABILIZED 740 <br /> o <br /> u3 <br /> Well �ff 3 Description <br /> Construction a- °� <br /> z <br /> V3 <br /> 25 (0,100,0,0) 024' <br /> 22 <br /> 0 0 <br /> R <br /> 29 SILTY SAND(SM) brown(10YR5/3),sand is fine-grained,very 0 MW8 <br /> a 30 50 dense,moist(0,60,40,0) 929' <br /> 3 Same as above <br /> D p <br /> 0 0 <br /> 25 SANDY SILT(ML) light olive brown(2 5Y5/3),sand is 0 MW8 <br /> 35 42 fine-grained,hard,moist,low plasticity,subangular blocky soil 934' <br /> ! ! 50/4 structure(0,30,70,0) <br /> o 0 <br /> 9 d <br /> 29 Same as above,increased sand content to(0,40,60,0) 0 MW8 <br /> V V 40 34 939' <br /> R 35 <br /> O d <br /> T T <br /> 35 0 MW8 <br /> 45 50/5 Same as above,decreased sand content to(0,30,70,0) 944' <br /> o e <br /> ! T <br /> BENTONM <br /> SEAL 31 SILTY SAND(SM) brown(10YR5/3),sand is fine-grained,very 0 MW8 <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 dnthng and may not be representative of subsurface conditions at other locations or times <br /> Project No 77BP 50595 00 0330 Date 8/7102 GMH Log of Well <br /> 595MW8 GP] Approved by <br /> LOG OF BOREHOLE <br /> Figure (sheet 2 of 3) <br />