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EXPLANA110N <br /> EAST MAIN STREET Groundwater monitoring well <br /> (Shallow) <br /> Groundwater monitoring well <br /> f' 38.69# Former <br /> W/0 Tank. -.(Deep) - <br /> ' <br /> \ 1 Mw-11 99.99 Groundwater elevation in feet <br /> Lawn # <br /> TrasH 38.86 referenced to Mean Sea Level <br /> Encl�sure 0. <br /> e 990" Groundwater elevation contour, <br /> �4adashed where inferred <br /> htio dnopy <br /> f r [99.99] Not used in contouring <br /> Station Dis{ienser <br /> \ Building Islpnds <br /> AC <br /> Paving <br /> 82 <br /> �y # Mw-4 <br /> #/ 38.86 <br /> 99 .. W UT5 ca <br /> .. <br /> MW-60 <br /> [38.87] w-6S Pad ` Fier - <br /> 1._ <br /> 38.81� �1 <br /> VS, <br /> \'b, ,• =39.14 Approximate groundwater <br /> � °,o F'rM1fV-5S , flow direction at a <br /> gradient of 0.001 to 0.007 Ft./Ft. <br /> Mw=SD Mw-7D <br /> j39.24� .,,•:i ,., MW-3 <br /> 38.88 <br /> - —N— <br /> On—Rarnp 0 40 <br /> Scale in Feet <br /> Source: Figure modified from drawing provided by Secar International Inc. <br /> _ POTENTIOMETRIC.=MAPS_ <br /> FIGURE <br /> E T T L ER ' YA N N C. Chevron Service Station #9-1452 <br /> 6747 Sierra Court, Suite J 334 East Main Street50� 1 <br /> Dublin, CA 94568 (425) 551-7555 Ripon, California <br /> PROJECT NUMBER REVIEWED BY DATE REVISED DATE <br /> I� 386582 November 28 2005 <br /> FILE NAME: P Enviro Chevron 9-1452\005-9-1452-OWC I Layout Tab: Pot4 <br />