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s � <br /> U-9 EXPLANA11ON <br /> -14 12 <br /> } Groundwater monitoring well <br /> Approximate Property Boundary <br /> -- —' --- ' — — ' — — --- — � Vapor Extraction Well <br /> -1362 49a <br /> Former r <br /> waste oil -1398 �` W X Nested piezometer wells <br /> .-�. Former ' Tank Former <br /> 1 w Station ' Dispenser W <br /> ol: 9999 Groundwater elevation In feet <br /> o BuddingIsfand <br /> U-1 ` N referenced to Mean Sea Level <br /> ♦-13 85 �� 1 t NP-2 (MSL) <br /> Oc 0 -22 1399 <br /> Former Armer Underground ! i -65 -1429 <br /> g9/ Groundwater elevation contour, <br /> torage Tank Site -111 -t465 99 <br /> waste oil ` -13 34� o tum. / dashed where Inferred <br /> Tank o <br /> _13 39 U-8 former U.3 u-a [99 99] Not used in contouring <br /> �ispenser * V <br /> Forrrler Y Islands _13 86�Y-1 UP-1-22 1:14 <br /> 13 87 14 16 <br /> Underground l �,Z -65 05 <br /> Storage Tanks 1 1378 �_ 111 -1435 <br /> -1 <br /> EAST MINER AVENUE N <br /> lApproximate groundwater <br /> flow direction at a <br /> gradient of 0 003 to 0 006 Ft/Ft 0 40 <br /> Scale in Feet <br /> ♦tl-7 <br /> 13 82 Soca figure Uodified from Drewng Provided <br /> Parking i �� By UPos seats$ tac <br /> Getter - Ryon Inc. POTENTIOMETRIC MAP FIGURE <br /> Former Unocal Service Station No 0187 <br /> 5747 Sura Ct, Suds J (925) 551-7555 437 East Miner Avenue <br /> t>ubfin, CA 945x8 Stockton, California <br /> JOB NUMBER REVIEWED BY DATE REVISED DATE <br /> 280045 Ma 7 1999 <br />