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-i <br /> 2W61 M -401 <br /> LEGEND <br /> 1.22 @ <br /> MW-441 <3 MW-302 <br /> o Shallow Zone Monitor Well <br /> -21.76 <br /> a.92 @ • Shallow Zone Extraction Well <br /> <3- <br /> EW-5 - O 100-Foot Sand Zone Monitor Well <br /> -21.53 <br /> 13.2'@ ♦ 100-Foot Sand Zone Extraction Well <br /> 179 @ MW-206 <br /> (-18.53) ❑ Intermediate Zone Monitor Well <br /> �./ <0.2/<0.2 @ <br /> MW-210 6/5@ ■ Intermediate Zone Extraction Well <br /> -21.82 <br /> 1.00 ® Deep Zone Monitor Well <br /> MW-106 <br /> -21.76 Deep Zone Extraction Well <br /> 192 <br /> EW-2 195 o California Water Service Municipal Well <br /> 21.42 AUKILN Domestic Well <br /> � <br /> 2W77 7 MW -211 NS<31@ 2W-2 3 Irrigation Well <br /> 1.77 <br /> 21. 2 EW-4 NS <br /> -21.67 6 @ MW-105 a <br /> MW-209 13.6 @ 50 -20.31 pE MW-304 Well ID <br /> -21.9 " -5130# . <0.2 -22.11 Groundwater Elevation Measured on <br /> NS ' -2 <3 Jan. 23, 2013 in Feet Above Mean <br /> 6 @ 5000 ' �M�W�6, • 2 Sea Level <br /> 05000 0 . <br /> EW-3 M tri ;c? 16`2 �$J ° ° 8.27 Concentration of Hexavalent <br /> pp�� TW-14 Chromium in Micrograms per Liter: <br /> 21.73 -290 • 1 N 29 ~ ° 21:96 g p <br /> 24,600 731/7,47. ° <br /> 25,000 735/750 N ° 0 ° °° °'• <0.2 MW-328 <10/<10 = Detections for Primary <br /> N� ° `MW;104(S-2) <3 MW-400 and Duplicate Samples <br /> MW-5 N 0 =21':871 0 0 MW-467 (15.62) <br /> -21.83 W 13 °) <0:2w# °°° MW-204 S-8 NS 11 Concentration of Total Dissolved <br /> Ns � ° ° VV 5 -22 06 ( ) <3 @ Chromium in Micrograms per Liter: <br /> <10 @ MW 101 ° o ° I° 0 47 D °�' 362 <br /> 3/3 = Detections for Primary and <br /> MW-107 Mw-1 ° o�M0 0 47�® 3g5 Duplicate Samples <br /> . .<0.2# . -21:96 000 V�,Ol °°° <br /> -21.62 W-1 •.•<3#•.°.• 'lvIW:4.%.'Ng, ° 0 ° <br /> NS I 0 <br /> 7@ Mw-2o2 3 50' 6 @ °° t °°° 11IMW (1-9) #°# Sample Result from October 2012 <br /> MW-2 ? 5 % M o 8 °0° . <br /> M 8 ° 0 MW-301 @ @ Sample Result prior to October 2012 <br /> ° '-21°88 MW-324(I-10) <br /> 4 46 @ M° 363` °°° TW-16 7>10 S-9 NS Hexavalent Chromium Not Sampled <br /> ( . 0.541 A Screened in the Shallow, 100-Foot <br /> MW-7 •V-jzU• •••• 22;Q0 Y°° 0.54/0.54@ <br /> -21.73 TW-12 MW-208 11 ° 0°0 <10 Sand, and Intermediate Zones <br /> 5.35 @ -21.8 -22.04 00 0 . . . . <br /> GOOLIDUE MW-396 <br /> 0°0 •TW_17•. . . <br /> 9 <0.2 <0.2 0 0 <br /> <3 000 000 -22.009 © Pumping Well <br /> 000 <0.2 <br /> 0 0°0 000 EW-1 ^ <3 <br /> MW-8 MW 3 (-22.49) (-20.31) Anomalous Data/Not Contoured <br /> -21.98 MW-300 <0.2, . . . . . . MW-424(1-2) S-6 <br /> 175 (10.98) 4 MW-30_3 <br /> 175 7.45 -22:10 oo�? Contour of Equal Groundwater <br /> MW-3 9 <0:2 ?�-22' Elevation <br /> FRANKLIN HIGH MW-205(S-7)❑ 4 <br /> SCHOOL -21.96 <br /> Direction of Groundwater Flow <br /> 308 <br /> 310 o MW-201WN Isoconcentration Contour of <br /> MW-9 (-22.91) <br /> 5oi Total Chromium; <br /> -22.08 10.7 @ <br /> <0.2/<0.2 3 1 MW-304 Queried where Inferred; <br /> MW-327 <3/<3 MW-325 ,-22.11 Dashed where Approximate <br /> ® 0 350 ❑ MW-364 8.27 @ <br /> Feet 10 <br /> D U D E K Figure 1 <br /> SPX Cooling Technologies Groundwater Elevations and Chromium Concentrations in the Shallow Zone in January 2013 <br /> 3909-20 <br /> AUGUST 2013 Stockton,California <br />