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MW-401 LEGEND <br /> -18.75 <br /> 1.11 <br /> MW-441 <3 <br /> MW302o Shallow Zone Monitor Well <br /> r n (-1,8.76) <br /> 1:35 • Shallow Zone Extraction Well <br /> �9�0 <3 EW-5 O 100-Foot Sand Zone Monitor Well <br /> ? ? -20.4r ♦ 100-Foot Sand Zone Extraction Well <br /> 13.2 <br /> 179 MW ' <br /> -19.0909 ❑ Intermediate Zone Monitor Well <br /> <0.2 <br /> M9 69 0 �O _20.00 ? Q 6/5 ■ Intermediate Zone Extraction Well <br /> 1.00 ® Deep Zone Monitor Well <br /> 5 <br /> -20.50 - ? MW-106 le Deep Zone Extraction Well <br /> _ -21.79 <br /> 225 o California Water Service Municipal Well <br /> ? EW-2 <br /> -21.00 N Domestic Well <br /> MW-207 MVS -21.00 :NS-20 88 3 MW-203 a Irrigation Well <br /> 56.3 / 21.88 <br /> 58 EW_4 NS. q MW-304 Well ID <br /> -20-F49 -21:50 6 MW-105 Groundwater Elevation Measured on <br /> MW-209 5 130 13.6 <0.z11.60> -23.24 April 23, 2012 in Feet Above Mean <br /> -20.0808-�0 <br /> Ns w-4 :.. 50 ` -22.00 ? 4 Sea Level <br /> 6 50 8.27 Concentration of Hexavalent <br /> M 21 Chromium in Micrograms per Liter: <br /> Mw-6 ° <10/<10 = Detections for Prima <br /> EW-1 500 -21.06° ° °• TW 14 <br /> Primary <br /> 2 <o.z, ° ° ° ° NM and Duplicate Samples <br /> 22,400/22,700 ? 60 0 ° ° °° •'• <0.2' MW-328 <br /> ° ° • 12 Concentration of Total Dissolved <br /> / MW-102 ° ° ° ° MW=104'(S'-2) <3 MW-4C <br /> O MW-400 Chromium in Micrograms per Liter: <br /> MW-5 -21.56 ° ° -22.92 <br /> 22:40 0 3/3 = Detections for Primary and <br /> VAR 1 (P7) - ° ° -22.50 MW-204(S-8) NS <br /> NS 41 605 MW-101 ° ° < ° NM <3 Duplicate Samples <br /> <103 1 -21:78° ° ° ° °< ° 0 47 D •v 4972 <br /> 1 Last Sampled on or before April 2010 <br /> <0.2, ° ° ° 0 ° ° <br /> MW-10 °5 MW,-,1.03° °4471 •.0 5002 2 Last Sampled in January 2012 <br /> -21.94 'dv��:at•50 . '-22.63 °°° 0 0 Last Sampled in April 2011 <br /> NS ° W-4 8 0°0 �♦ 3 <br /> 0 0 W_4 & <br /> 7 MW-202 <br /> Q. <br /> ? ? . .3 40 .•.6S: '°° t <br /> ° ❑Mw (I-s) 1 4 Last Sampled in October 2011 <br /> -20.98 500 5 0°0 °°0 MW-301ULL <br /> NS Hexavalent Chromium Not Sampled <br /> 4.46 0°0 DO •-23:00 -324(1-1 <br /> 1 n ?,3' 0 59.6%59.0 S-9 <br /> 00 16 63/62 -22.97 4 A Screened in the Shallow, 100-Foot <br /> Mw-7 `- ••••" • • 11 Mw- , -1) e� 0.54/0.54 Sand, and Intermediate Zones <br /> -21.73 TW-12 MW-208 0 0 .50 0 ? 6 <br /> 5.35 -22.67 ? -22.86 00 000 •. UUULIUUL P <br /> $ <0.2 <0.2 °° °°° TW-1.7 Pumping Well <br /> <3 0 0 0 0 -23.309 <br /> 0°0 0 <br /> 0 <br /> 0 <0.2 (-18.76) Anomalous Data/Not Contoured <br /> 0°0 000 <3 <br /> MW-8 MW 3 EW-1^ <br /> -22.30 MW-300 MW-424(1-2) S-6 <br /> -23:97• •o �? Contour of Equal Groundwater <br /> 519 -22.62 <0.2 T'-'-'T'-'-`MW-303WN 4 603 p0 <br /> 544 9.73 <3 -23:25 �i'2 Elevation <br /> 12 MW-3 <0.2/<0.2 <br /> FRANKLIN HIGH MW-205(S-7)❑ ? 5/4 <br /> Direction of Groundwater Flow <br /> SCHOOL -22.47 <br /> 342 Isoconcentration Contour of <br /> 363 O MW-20-1 Hexavalent Chromium; <br /> MW-9 rrFRTR29.6550I <br /> � Queried where Inferred; <br /> -23.37 10.7 MW-304 Dashed where Approximate <br /> MW-327 50.2 14 MW-325 -23.24 NOTE: MW-204 (S-8)was <br /> ® 0 3I Feet ❑ MW-364 Q 8z7 Contoured using January 2012 <br /> Concentrations. <br /> D U D E K Figure A-5 <br /> SPX Cooling Technologies Groundwater Elevations and Chromium Concentrations in the Shallow Zone in April 2012 <br /> 3909-20 <br /> April 2012 Stockton,California <br />