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EXPLANA11ON <br /> Northwest °O Southwest Mw-5 Monitonng Well <br /> C r <br /> C> �+ <br /> VW-13 Vap or Extraction Well <br /> r <br /> r i c�a <br /> rt <br /> 0 B-9/MW-4 B-10/VW-5 Dispenser Island m m B_3/ ,_1 MS-3 Monitoring Sparge Point <br /> ML Clayey Silt, Silt Some Clay <br /> E I , <br /> 10 CL Clay, Silty Clay <br /> SM Silty Sand <br />� <br /> 120 *!.____..___ -------- _-- --�_-_-,ter` •0/0 0064 <br /> a SW D D SW -�-- I <br /> Sw <br /> SIP Sand, <br /> Sand, Fine- To Coarse-Grained <br /> � I ND/0 0055 r -` ND/ND <br /> Sand, Fine-Grained <br /> L • Sample Location <br /> V I � <br /> ND/0 0075 - <br /> L 40 ML r �� SM 086/17 520/13 Concentration Of TPHg/Benzene <br /> 12/019 f ML Measured in Parts Per million (ppm) <br /> 33/036/ ML • 2fi/0 21 3 Concentration Of TPHg/Benzene <br /> a —50 ND/O 048 .+___,..^_-�---- _ <br /> M Below Laboratory Detection Limits <br /> o i / •I SM �. _ SIP �/0 03Q L of <1 O/<O 005 Respectfully, In ppm <br /> —60 _ 520/1 3 s <br /> ND/074 ,_ ��__. w �._� - .��� ,- -_. — ►� (3/�/93) <br /> 98/3 4 - <br /> CLi _ ----- ----—__-_-' ._________ <br /> a .�.______�_ (1D/6/92} Screened Interval <br /> 70 --- _.___-. _�__ ___-----------.._-___------------ ---- <br /> r. <br /> i El <br /> SWApproximate SW <br /> {ln Monitoring DWell hMW-4 to rOn dIndicated <br /> Water <br /> ao ! (10/6/92) ! Date <br /> L so <br /> I <br /> I <br /> 20 <br /> F <br /> 10 <br /> i <br /> 0 10 20 <br /> APPROXIMATE SCALE <br /> in feet <br /> r�t ==&MA GEOLOGIC CROSS-SECTION C-C' j PLATE <br /> ARCO Service Station No. 2130 ' <br /> >sFILE 140 79006 North EI Dorado Street 7 <br /> PROJECT NO, 30003 0003G16A <br /> Stockton, California <br /> t <br />