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/21.0601 LEGEND <br /> 1.15 <br /> MW-441 / <3 <br /> -MW-302 O Shallow Zone Monitor Well <br /> -'l.47 3) <br /> 1.47 • Shallow Zone Extraction Well <br /> 7 <br /> <3 <br /> O 100-Foot Sand Zone Monitor Well <br /> EW-5 <br /> -22.02 ♦ 100-Foot Sand Zone Extraction Well <br /> n 13.2' <br /> ' <br /> 3 MW-206 ❑ Intermediate Zone Monitor Well <br /> 1 <br /> MW-210 -22.10 ■ Intermediate Zone Extraction Well <br /> 21.87 <0:2 <br /> 3.26 ® Deep Zone Monitor Well <br /> MW-1 0 6 Deep Zone Extraction Well <br /> EW-2 -22.31 <br /> n <br /> -22.29 228 o California Water Service Municipal Well <br /> 230 <br /> NS ® Domestic Well <br /> MW-207 <10/<102 <br /> -22.14 <br /> 34.8 MW-203 Irrigation Well <br /> 95 EW-4 -22.47 z <br /> -21.75 NS MW-105 MW-304 Well ID <br /> .89 13.6' 6' -22.36 <br /> -21pE -23.80 Groundwater Elevation Measured on <br /> 21.89 15' <0.2 - Jan. 17, 2012 in Feet Above Mean <br /> NS ----p - 12 <br /> 112 -2 <br /> Sea Level <br /> Q0 9.03 Concentration of Hexavalent° 2 <br /> p MW-21 !-8d n. Chromium in Micrograms per Liter: <br /> EW-3 h' MW-6y o • g <br /> -22.17 W" 1 500 -22. ° ° ° 0 TW-1.4 <10/<10 = Detections for Primary <br /> 4,650 4 _ <0.2' ° ° ° p326 "' and Duplicate Samples <br /> 4,700 -3 ° 0 0 0 o MW=104(S=2) MW-328 <br /> MW-102 ° o o -22:91 °oo / MW-400 10 Concentration of Total Dissolved <br /> o ° ° <0!2, 000 /// MW-467 -23.83 Chromium in Micrograms per Liter: <br /> e••• O 22:54 r o MW-204(S-8) <br /> MW-5 O 608 }13 7) 5 0 0 <br /> 22.19 • N 620 MW-101 1 M4V_ o° •• 5 (-22.98) 5S 3/3 = Detections for Primary and <br /> NS N i -22:16 0 0 ° o ° 47 D 497 ' Duplicate Samples <br /> <102 0 4.52, o ° ° 47 S q •�• 500 <br /> MW-107 10 O MW-,103000 Last Sampled on or before April 2010 <br /> -22.67 v s MW-y -22:97 °°° 2 Last Sampled in April 2011 <br /> N <br /> <102 MW-202 C' ♦ r0 N U2 °o 1 000 ❑MW 8 ° (1-9) , p <br /> 3 Last Sampled in October 2011 <br /> 00 <br /> -21.93 �' S M _ g g o°0 ' ' ' '•' MW-301 - 4 Last Sampled in January 2011 <br /> ° -23:41 ' <br /> � ° � MW-324(I-10) <br /> 508 Q �. ° ° 1'1iiJ S-9 NS Hexavalent Chromium Not Sampled <br /> C- ��0..°.°. <br /> MW-363( °g9 -16 195 -23.71 <br /> MW-7 ;L �vlwzo' 0 0.54/0.54' A Screened in the Shallow, 100-Foot <br /> o�E <br /> 22.51 MW 208 11 - • °0° 3/3 Sand, and Intermediate Zones <br /> 3 <br /> GUULIIJUE <br /> TW-12 0 0 <br /> 6.24 -22.67 -2329 ,Z��Q°° 000 . ... .T�.170...... <br /> <0.2 0 0 ° ° -23.74iii © Pumping Well <br /> 0 0 ° <0.2 <br /> o °°° 000 <3 (-22.98) Anomalous Data/Not Contoured <br /> MW-8 MW-300 MW 3010 EW-1^ <br /> -22.87 -23.28) •(-24:37) • MW-424(1-2) S-6 <br /> 254 11.1 <p:2 o MW-303 <br /> 260 29 <br /> 23.8o �? Contour of Equal Groundwater <br /> MW-3 3 <p>2J 00 <br /> � ?��23� Elevation <br /> FRANKLIN HIGH MW-205(S-7)❑ 3 <br /> SCHOOL (-22.88) <br /> 282 <br /> llll���VVVV Direction of Groundwater Flow <br /> 290 MW-9 o MW-201 Isoconcentration Contour of <br /> -23.76 -23.69 MW-304 / <br /> <0.2 17 Hexavalent Chromium; <br /> <3 17 <br /> 9.03 /5o Queried where Inferred; <br /> __- <br /> 9.03 <br /> MW-327 MW-325 Dashed where Approximate <br /> ® 0 350 ❑ MW-364 1� <br /> Feet <br /> D U D E K Figure A-1 <br /> SPX Cooling Technologies Groundwater Elevations and Chromium Concentrations in the Shallow Zone in January 2012 <br /> 3909-20 <br /> JANUARY 2012 Stockton,California <br />