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LEGEND <br /> MONITORING WELL LOCATION <br /> SAN JOAQUIN 9 DEEP MONITORING WELL LOCATION <br /> COUNTY WASTE (NOT USED IN CONTOURING) <br /> TREATMENT FACILITT' <br /> MW-10 •39.49 GROUNDWATER ELEVATION IN FEET <br /> DL,,�10—. 3011 .30.86 ABOVE MEAN SEA LEVEL(ft MSL) <br /> m (NS) (210) MTBE CONCENTRATION IN <br /> MICROGRAMS PER LITER(pg/L) <br /> /// -o♦ PARKING (NO) TBA CONCENTRATION IN pg/L <br /> NO NOT DETECTED <br /> MW-7 ♦ NS NOT SAMPLED <br /> -30.68 TACO BELL <br /> / B(NS) \ RESTAURANT -35.00— GROUNDWATER ELEVATION CONTOUR; <br /> ♦ ELECTRICAL IN FEET ABOVE MEAN SEA LEVEL(ft MSL) <br /> / �30'rg PANEL .0.004` <br /> . 7 GROUNDWATER FLOW DIRECTION <br /> 0 10y AND GRADIENT <br /> MW-6 O <br /> d1j -3076 \ 9 \ NOTE: <br /> m WELLS MW-1 AND MW-10 ARE SAMPLED QUARTERLY <br /> ph i (NS) GAR ♦3\-4' RO AND WELLS MW-5;MW-8,AND MW-9 ARE SAMPLED <br /> WASH ' SEMI-ANNUALLY:THE REMAINING WELLS ARE SAMPLED <br /> ♦c - ANNUALLY. <br /> STATION \ - <br /> / � BUILDING <br /> t'3p.68 \ ♦\ PLANTER N <br /> / <br /> .�-�y,�C�t oti ♦ <br /> MWS \MW-2 -30.70 . <br /> ♦ 30.61 (NS) SHELL STATION ♦ <br /> 0.115 WATERLOO <br /> secoNO •(NS) •• <br /> GENERATICN AND $1,W-8 <br /> ♦ CURRENT UST. �.- -2915 MW-9 Q� <br /> (NS) ••30.73 W E <br /> FIRST <br /> \♦ GENERATION 16 (. -,�.a11 i 1 ® (NS) / <br /> UST. 30.58 .,- / <br /> i —1 bg 411 DISPENSER 0 - <br /> 14 Lg�r —`a 1 ISLANDS <br /> AIRANATER ♦ / <br /> VACUUM` CL, 0`•n 0 pY:��,• j �V'" <br /> MW-1 ems^ �QR S <br /> fib\ 0 -30.52 <br /> (230) -30.61 /�q� ,LE��' GROUNDWATER FLOW DIRECTION <br /> �(NSj o` BJP 1Q02TO1Q13 <br /> A♦�\ L. <br /> � NOTE: <br /> ♦ <br /> MW-3 m / DUE TO VARIABLE GROUNDWATER FLOW <br /> -30,53 DIRECTION IN 1009,2009,2010,AND 2011 <br /> \ *(NS) /.( THE ROSE DIAGRAM COULD NOT BE <br /> /aP UPDATED.ROSE DIAGRAM NOT UPDATED <br /> IN 3010 DUE TO INSUFFICIENT <br /> GROUNDWATER ELEVATION DATA. <br /> figure 2 <br /> GROUNDWATER CONTOUR AND CHEMICAL CONCENTRATION MAP <br /> FEBRUARY 21,2013 <br /> SOURCEWELL LOCATIONS MW-1 THROUGH MWA BASED ONVIRGIL INDEPENDENT SHELL BRANDED SERVICE STATION <br /> CHAVEHAVE. ANIIANRVEY DATED SURVEY <br /> MY�THBATEDI 20%AND <br /> W-10SUSURVEY DATVEY 4315 Wafer/oo Rd., Stockton, CA <br /> V DATED 11118 C STA SURVEY DATED SYSTE,AND MW(NADS31. <br /> DATED 11HBpB,G STATE COORDINATE SYSTEM ZONE III(NAO83J. <br /> 241359-2013(019)GN-50002 APR 0412013 <br />