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WEST <br /> A EAST <br /> 0 e-2/Mw-1 s-17/AS-1 a-19/Ms-7 a-20/Ms-3 <br /> At <br /> CIL CIL <br /> CLj <br /> 5 f <br /> SM _ — — —_— -- ! Underground i EXPLANA,:i1QN <br /> Fuel [ MW-1 Monitoring Well <br /> ML <br /> C Storage Tanks <br /> 10 VW-11 Vapor Extraction Well <br /> 7---- --__---- � � II MS-1 Monitoring Sparge Point <br /> 1 15 ML Clayey Silt, Silt Some Clay <br /> WL <br /> ' <br /> CL Clay, Silty Clay Approximate <br /> 20 ML Limits Of <br /> Tank Cavity , SM Silty Sand <br /> <1 '0 0074 SW Sand, Fine— To Coarse—Grained <br /> ' 25 1 SI, Sand. Fine—Grained <br /> SM <br /> 30 II --——— 4 • Sample Location <br /> 1 V + 5 0/1 3 Concentration Of TPHg/Benzene <br /> Measured In Parts Per million {ppm} <br /> Concentration TPHg/Bezene <br /> 2 35 ML ML i ND 1 Below laborator0yf Det ct onnLimits <br /> # <1 = /0 021 <br /> o <br /> 0 Of <1 0/<0 005 Respectfully, in ppm <br /> A 40 <br /> <l 0/ND Screened Interval <br /> I 4 <br /> 45 i <1 0/0 073 !! '� Approximate Groundwater Surface <br /> / 1 In Monitoring well MW-1 On Indicated <br /> 50 Date <br /> 1 ML <br /> i Sm r <br /> ' 60 ----�'--------ML_ ------ ----- _---__'�-_-_ <br /> Y ML 7 ML �---- ----_.--Y— 3/22/93 <br /> 1 65 --- -------'------------------------1— 10/8/92 10 <br /> 70 <br /> SW Z SM 5 <br /> 75 ML <br /> ' 0 5 10 <br /> APPROXIMATE SCALE <br /> in feet <br /> 1 = GEOLOGIC CROSS SE - <br /> SECTION A A' PLATE ARCO Service Station No. 2130 <br /> FILE NO 7905 North EI Dorado street 5 <br /> PROJECT N0.30005 0003G4B Stockton, California <br /> 1 <br />