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NORTH SOUTH <br /> B , <br /> 8-3/ B- 4/ Br <br /> 0 B-1 VW-1 VW-9 9 <br /> � I <br /> 00 I , <br /> I I I <br /> 10 I I I <br /> f <br /> I Tank Cavity I EXPLANAWN <br /> 1 I <br /> 15 2400/1.04 L—— __——_�.......__ <br /> I i MW-1 Monitoring Well <br /> I � <br /> 20 - ., ML I VW-1 Vapor Extraction Well <br /> 1 <br /> I VL Clayey Silt, Silt Some Clay <br /> �_�� _,1_ <1.0/�1D SM Silty Sand <br /> I ?` <1.0/ND "' Sand, Fine-Grained <br /> } ML I 4 SP <br /> 30 690/1.7 + i Sample Location <br /> ' I 3000/14 <br /> o I I 520/ 3 Concentration Of TPHg/Benzene <br /> Measured in Parts Per million (ppm) <br /> 35 I I 1 <br /> 1 r <br /> ' %kD Concentration Of TPHg/Benzene <br /> Below Laboratory Detection Limits <br /> 40I Of <1 O/<0 005 Respectfully, In ppm <br /> I <br /> o I I 26/0.21 <br /> ' m I <br /> q$ t 1400/13 ML I - Screened Interval <br /> Ca50 <br /> I i� <br /> ' I Approximate Groundwater Surface <br /> In Monitoring well MW-1 On indicated <br /> I -_--- Date <br /> 55 520/8.4 <br /> I SP .' SM <br /> 60 ---------- '--- -^ ==-=- --- --T (3/22/93) <br /> 10/0.62 <br /> i <br /> 65 - <br /> r _ --------------------- ----___7 <br /> 10 <br /> 4 %.035 <br /> 70 1 5 <br /> I <br /> 0 5 10 <br /> 1 <br /> APPROXIMATE SCALE <br /> in feet <br /> k _ GEOLOGIC CROSS SECTION 13-BI PLATE <br /> A"M ARCO Service Station No. 2130 <br /> ' "LE ?40 79015 North El Dorado street 6 <br /> PROJECT NO. 30003 0003G5B Stockton, California <br />