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MW9 481 'MW-401 o LEGEND <br /> ND ❑ n. QO EW-5 H <br /> o Shallow Zone Monitor Well <br /> nZ5 BMW--302 -j w MW-206 O THELMA <br /> 'V m / 6---- — 0 106 Shallow Zone Extraction Well <br /> W <br /> Z L 100-Foot Sand Zone Monitor Well <br /> �. <br /> U ♦ 100-Foot Sand Zone Extraction Well <br /> MW-210h0 U MW-447 S < ANTHONY ❑ Intermediate Zone Monitor Well <br /> Q - - -23.30 <br /> 2,630 ■ Intermediate Zone Extraction Well <br /> MW-211-20.58 W MW-203 ® Deep Zone Monitor Well <br /> ND MW-445 W MW-447 D e Deep Zone Extraction Well <br /> MW-214(1-8) -22.03 -24.11 ADRIENNE <br /> n -21.87 13 O �• 2,290 o California Water Service Municipal Well <br /> ND ® Domestic Well <br /> MW-448 S a Irrigation Well <br /> EW-4 <br /> 2 -23.63 <br /> 00 <br /> MW-2092,230 DEL MAR MW-212 Well ID <br /> aria -06 �._ -21.71 Groundwater Elevation Measured <br /> ° MW-448 D <br /> MW- 07 MVS 5 -25.01 95 in Feet Above Mean Sea Level <br /> MW-204 S-1 Concentration of Total Dissolved <br /> n' MW-212 W-2 7 "' 4,440 Chromium in Micrograms per Liter: <br /> -21.71 "'W-102 MW-6 ? 512/512 = Detections for <br /> 95 �O o ° ^• Prima and Duplicate Samples <br /> TW- MW-467 Primary p p <br /> nm -104( ) 2�00 2S•'00 ND = Not Detected : <3 ug/L for <br /> MW-� i' 50 MW-400 October 2011 samples; < 5 ug/L <br /> M 328 DAWES for pre-April 2010 samples <br /> _ <br /> _ 1 Last Sampled before April 2010 <br /> MW- 02 ;L�'OO 61 ,1 �� MW-321 (I-9) 2 2 Last Sampled in April 2010 <br /> r i L -49.32 3 Last Sampled in April 2011 <br /> QP 158 <br /> �� r s0 rb I 0 CARROLL Screened in the Shallow, 100-Foot <br /> MV�1 MW -4 . --- ,28 ` Sand, and Intermediate Zones <br /> -21392 N -23.28 205(S-7 1VV 1301 j© © Pumping Well <br /> MW-7 521/521 % ,� MW-324(1-10) <br /> MW-213(1-7) <br /> o `s4 �� -38.05 (-23.24) Anomalous Data/Not Contoured <br /> -22.64MAL 12 COOLIDGE oma? Contour of Equal Groundwater <br /> 1,290 <br /> C'. \ MW-32611 Elevation <br /> ? <br /> MVS 208 I-11 <br /> MW-320 0 -24.97 Direction of Groundwater Flow <br /> -23.62 MW300 Ln MW-363(D- EW-1^ (-23.79) 162 <br /> 3/3 ° N -24.78 368/370 Isoconcentration Contour of <br /> ' MW-323— ND MW-303 , Total Dissolved Chromium; <br /> -23.74 Queried where Inferred; <br /> �. T <br /> FRANKLIN HIGH ND MW-322 MW-5 Dashed where Approximate <br /> p -24.70 MW-424(I-2) MW-460 <br /> SCHOOL 7 MW-425 (-23.24) North Yard South Yard <br /> MVV-201 -24.87 6 <br /> ° 72 GERTRUDE <br /> W-304\ MW-325 <br /> MW-327 13 -24.53 <br /> ® 0 -23.2 6 MW-310 / ND <br /> 350 <br /> Feet 18 <br /> 24.50 <br /> D U D E K FIGURE 4 <br /> SPX Cooling Technologies Groundwater Elevation and Total Dissolved Chromium Measured in Intermediate Zone on October 10, 2011 <br /> 3909-12 <br /> OCT OB ER 2011 Stockton, California <br />