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MW-441 <br /> mm�i-ani -21.05 <br /> LEGEND <br /> NS <br /> 7@ <br /> O Shallow Zone Monitor Well <br /> Location of Reductant Solution Injections J • Shallow Zone Extraction Well <br /> in September and October 2010 for the <br /> Full-Scale In Situ Remediation Program O 100-Foot Sand Zone Monitor Well <br /> Ll <br /> =40 to 180 ft bgs <br /> = 115 to 180 ft bgs 100-Foot Sand Zone Extraction Well <br /> ❑ Intermediate Zone Monitor Well <br /> /� ■ Intermediate Zone Extraction Well <br /> ho M 08 ® Deep Zone Monitor Well <br /> �22.15.90" Deep Zone Extraction Well <br /> 113# MW-447S <br /> -22.46 o California Water Service Municipal Well <br /> 1,950 <br /> MW-211 MW-206 2,060 MW-447D N Domestic Well <br /> -21.06 -22.62 <br /> 1.96" 0 <br /> MW-302 2,250 0 d Irrigation Well <br /> 3" EW-2 2,350 <br /> MW-209 -W-4 EW-5 MW-449 D <br /> MW�t0615,700 <br /> 22.41 MW-325 Well ID <br /> 10Groundwater Elevation Measured on <br /> MW-445 MW-20/p • MW-203 5,710 -22.42 S -24.04 ,Jul 16, 2012 in Feet Above Mean <br /> 30.21 Y <br /> NS ) EW'32,550 Sea Level <br /> 11 /11 # ; - % <br /> MW-6 MW-105 2,680 MuNLK 7 Concentration of Hexavalent <br /> MW-214(1-8) • MVS, %% • Chromium in Micrograms per Liter: <br /> -22.00 _ 520/521 = Detections for Prima <br /> ♦ MW-101. � � .� � � 50 � � � � BMW-328 Primary <br /> 413/<0.2 n. MW - _22 00 •�• 500 TVV-14 MW-467 and Duplicate Samples <br /> 4/3 `� • ,;:Mw-1 ' •- % Tva NS 63 " 8 Concentration of Total Dissolved <br /> .� <br /> MW-212 107 MW-` % ` MW-448S grams` 6/6#-- Chromium in Micro per Liter: <br /> - <br /> _21.89 % . MW-103 X04(S-8) -22.54 19/19 = Detections for Primary and <br /> 94.5 • 0 • • ♦ • ♦2,550 Duplicate Samples <br /> 98/98# MW-7 TW-1 ♦ V1W-810 5,000 12,620 ##, Sam p <br /> MW _ _ _ o -23.00 ` MW-448D Sample Result from April 2012 <br /> --- - - � . .* IVIv, 1 -22.53 <br /> MW-1 ;y p ' 1,960/1;970 @,@ Sample Result prior to April 2012 <br /> 1.42 5 ` 2,050/2,090 ; S-9; NS Not Sampled <br /> 3# # ,S0. MW-205 h <br /> ,VFW-208 36 -1) . , MW-324(I-1 o) A Screened in the Shallow, 100-Foot <br /> MW-213(1-7) MW-450 D �� "23.00 -22.45 <br /> # Sand, and Intermediate Zones <br /> -22.06 �. -23.05 4 p _ 15.10_ <br /> GUULIUUt <br /> 561 5,700 23.00 TW=1-7$MW,321_(1-9) 1g# ❑ MW 326 <br /> -22.45 © Pumping Well <br /> 670 5;710 MW-450 S -23.04 <br /> -23.14 149 <br /> MW-4 MW s, 2,550 150 fis 00 (- 22.33) Anomalous Data/Not Contoured <br /> -23. <br /> -22.31 2°680 EW-1^ 122 69 MW-303 �? Contour of Equal Groundwater <br /> 981-1971 mmA -23.20 24 00 <br /> 982/982 -<0 2 438 MW-424(I-2) ? Elevation <br /> FRA LIN HIGH <3 440MVV6 NS1 27) Direction of Groundwater Flow <br /> sc oOIL MW-323❑ 6# <br /> MW-320 -22.56 Isoconcentration Contour of <br /> <022 5 '5.53 J /50� Hexavalent Chromium; <br /> <3 i -MW=2o MW-325 _ Queried where Inferred; <br /> MW-322 [7.82 <br /> 22.88 MW-425 <br /> -22 94 Dashed where Approximate. <br /> RUDE 3?4/23.2.72 # NS NOTE: MW-4 and MW-212 were <br /> 0 MW-327 24/24 M 310 5# Contoured using October 2011 <br /> -22'58 MW-304 -364 Concentrations. <br /> ® 0 350 <br /> Feet 6 6## ADELBERT <br /> DUDEK FIGURE <br /> SPX Cooling Technologies Groundwater Elevations and Chromium Concentrations Beneath the North and South Yards in the Intermediate Zone in July 2012 <br /> 3909-20 <br /> JULY 2012 Stockton,California <br />