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II <br /> EXPLANATION <br /> MW-2 Monitoring well location <br /> MW-1 Groundwater extraction well location � �', Groundwater elevation contour,in <br /> DW»2 Deeper monitoringwell location x'r feet above mean sea level(msl) <br /> (not used in conturing) Well designation Port of / DO <br /> f�if-1 destroyed well location ELEV. -Groundwater elevation,in feet above msl Properly <br /> TPHd <br /> °E overhead electrical line(OE) TPH9 <br /> MTBE,and TBA <br /> a°nze,a° TPHd,TPHg,benzene, <br /> - - - r- Electrical line(E) MSA NS <br /> concentrations are in micrograms per liter 1.84 <br /> Unknown utility line(?) 1.91, ` ♦ ,e -=. .9 1 <br /> Sanitary sewer line(SAN) Notes: U <br /> / <br /> + <br /> NA=Not available or not analyzed <br /> Water line(W) 90 <br /> ND=Not detected I 7��3 1�'`>; Ns�v`1, ♦ ' V50 <br /> - NS=Not sampled / ♦ u°1/ 1.91 1` 20:000 1.27 / <br /> - - P Product piping line(P) ' / mi° Ns Ir;� 1,470 JJ`` 2,850 , } <br /> `"- ND -Y - 4,100 <br /> - Fenceline / / 802 F1.05 <br /> / 1' / Ute/ 5 /! NS <br /> - Groundwater extraction 34 <br /> j / Cm ; 1 11 <br /> system piping0.98 <br /> / <br /> 1 / � <br /> /k <br /> 0 NS <br /> 0.80l�wl 13� <br /> 448 / z 7`. 1.30 <br /> / 140 / !l!/ ppp _ -- 4.110 1.20 <br /> 4.74 ND�Y- �!�/p // NS / L 7.400 <br /> 698 0.72ND /�/%pv/) i � / I Z ND +I <br /> l <br /> J/ I I h amt / <br /> 0.42 //} 111 i 0.69 , odd <br /> 4 873 <br /> / 1 1 ,r tllt •13 2,7500.93 tj 1,07 / <br /> 4 3,500 1 I ! 1 YY /// 2,900 NS <br /> 1'1 86.4 <br /> NA I!/1/ � 11 I �� �//� 13 She!/ ,80 ' ♦ / <br /> t�lrt'.f7 0.99 / <br /> NS <br /> L HA / Y r ND Dire 3,000 '3- <br /> 1 4.20 <br /> 3B.1 <br /> ND <br /> 0 50 1ooft ,r 1 1 1 2"780 <br /> _ •QQ i __ r 1 2200, / Rack <br /> 93.0 <br /> . <br /> ♦ 658 �� <br /> T If- l 1 0.81• // / <br /> -1.14 tt ' sae ' NNS ��� 1 Ns i/ 1 <br /> L _ ` / ♦ // <br /> / 7 x NA /• / <br /> No `_'� , 'r /1 4,180 0.51 /1/ Tosco <br /> l ND y 11I 14,000 NS <br /> -1.34 T ND 7 - / 3,170 <br /> ND ND �" 11 a.� / 89.0 <br /> ND Y Part of -0.41 �� NDNo <br /> ND $tockton 2,030 ._ `` <br /> ND Y 3,900 ` -0,42 <br /> Port of `Z5 I Property 7.3s 542.6 .286 - -0.33 R[rN .a� <br /> Stockton 4Y ,200 e7 a0 Ns _'I <br /> Property sr, 194 <br /> 7 y ND <br /> �I -0.74 ♦ -0 23 <br /> NS NS6 274 <br /> ND _ <br /> Y # / Figure 3 <br /> _.- -1.51 1 = 6620 <br /> NS <br /> L. `Y 12.3 Groundwater Contour and <br /> Y -- Chemical Concentration Map <br /> -1December 6, 2011 <br /> ND <br /> ND # Y Shell Stockton Terminal <br /> I <br /> ND 1 <br /> NA t 3515 Navy Drive <br /> "A tl O T Stockton, California <br /> t1 I <br /> 1:\SheIR6-chars12417-1241729-Stockton 3515 Navy Ddve1241729-REPORTS1241729-RPT32-3Q11 &4Q111241729 4QMI I-GW.DWG(01/31/2012) <br />