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CON SU•pN•INC. 'q MW-50 m <br /> TPHy <50 DW-2R <br /> 86]1 ERISA STREET, LIVERMORE, CALIFORNUI, 84550 TPHy c50 TPH <br /> PHONE 8253]15800 -FAX 9253]1-5815 B <0,50 B <0.50 19 79 TP <br /> MTBE 1.2 MTBE <0.50 MTBE 13 8 B <br /> Ranch Market MTBE <br /> 23569 S. Santa Fe Rd. Groundwater with <br /> Riverbank, California MIP Exploratory Locations, <br /> &Groundwater Chemical Data <br /> GEOCON Prof.No. E8323-06-01 August 2007 Figure 2 <br /> AS-1 R�Ap <br /> TPHy 73 <br /> MW-2 B <0.50 <br /> MTBE 2.0 <br /> TPHy <50 <br /> B <0.50 <br /> MTBE <0.50 <br /> SPN�A <br /> .25 <br /> 76.5 x x <br /> 76.75 � x OW-2R <br /> FORMER UST, • . - <br /> MW-4 &TANK PIT <br /> (76.72) / I I DW-2 <br /> (76.72),O.1 Mw-3(76.66 x(75.04)$* x . <br /> Mw-7 76.00 <br /> (76.74) WIMW 50* I (76.21 <br /> .6 <br /> M -2 78.89 x 0w 3* <br /> (7 i-55) x 1 <br /> '(cQc pOVt� RI�CHM x l I x �x .x <br /> DW-IR <br /> x x x <br /> x <br /> 0w-1om <br /> MW-1 x <br /> TPHy 150 <br /> B 22 76.50 <br /> MTBE 6.5 Mw-8 0W-4* <br /> MW-8 76.75 x MW3 I <br /> 76.25 x MW-9 76.00 <br /> TPHg <50 I TPHy 630 (76.11) <br /> 8 <0.50 x B 290 <br /> y X <br /> MTBE <0.50 MTBE q3� =x <br /> x �x <br /> x <br /> x � <br /> LEGEND: <br /> FORMER UST <br /> - MONITORING WELL LOCATION <br /> - DOMESTIC WATER SUPPLY WELL <br /> AIR SPARGE WELL LOCATION <br /> INACTIVE DOMESTIC WELL TPH-g TOTAL PETROLEUM HYDROCARBONS <br /> GROUNDWATER GRADIENT CONTOUR AS GASOLINE, ug/LB BENZENE, ug/L <br /> GROUNDWATER FLOW DIRECTION MTBE METHYL TERT BUTYL ETHER, ug/L <br /> MEMBRANE INTERFACE PROBE NOTE: <br /> EXPLORATORY LOCATION (POSTULATED) SAMPLING CONDUCTED 06/19/07. <br /> RANCH2O07.DWG <br />