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EXPLANATION <br /> -0.22 <br /> MW-2 Monitoring well location Ns <br /> Groundwater elevation contour,in <br /> MW-1 Groundwater extraction well location feet above mean sea level(msl) <br /> DW-2 - Deeper monitoring well location / <br /> (not used in contouring) /Well designation <br /> 41.1 0 Destroyed well location ELE, "W Groundwater elevation,in feet above mslTPH9 -0.6$ <br /> MW <br /> — —�E— Overhead electrical line(OE) Bff=O TPHg,TPHd,benzene,MTBE,and TBA f Ns <br /> ME concentrations are in micrograms per liter <br /> -- --- - - Electrical line(E) ' " <br /> Notes: ,� I 77 �, -0.88 �o / <br /> — — — z— Unknown utility line(?) J=Analyte was detected at a concentration below the reporting Op +� Ns ) / <br /> limit and above the laboratory method detection limit. Reported is \♦ / 1 <br /> Sanitary sewer line(SAN) value is estimated. I "° � `.� 1 / 0 50 10off <br /> — - rY -- Water line(W) NA=Not available or not analyzed / .1.18 <br /> ND=Not detected <br /> / ' NS -40 <br /> -0.80 $79 <br /> — — — P— Product piping line(P) NDa=Elevated reporting limit;see laboratory report for details <br /> NS=Not sampled f ,ri r <br /> - Fenceline *^ / /iii �, <br /> The sample chromatographic pattern for TPH does not ma#ch / <br /> --- — — — Groundwater extraction the chromatographic pattern of the specified standard. / % _;;r i {�p8.°0° .. •2.65 / <br /> system Ito Quantitation of the unknown hydrocarbon(s)in the sample was /, / ,r -0 ,r +4 s• Ns •. <br /> Y piping g r 7 O Ns t 6Yo <br /> based upon the specified standard, <br /> **=The sample chromatographic pattern for TPH matches the <br /> 71ao <br /> =-2.56 ! <br /> chromatographic pattern of the specified I <br /> standard but lighter I / 4 <br /> hydrocarbons are also resent or were detected). j NA III" <br /> Y p ( ) r , f Ns <br /> 2 , us c / <br /> 160 Q �`c �en� 8,200 f f <br /> y �_ 0.66 �. vsK 2,999' / r <br /> Y i i NS �, 0.1 ' ��_r a Z 470 <br /> to a %I i f i -1.63 f <br /> 4 Iii � � � �t��, -1.$3 �.. 4 <br /> � <br /> 411W117,7` / <br /> / / Ns <br /> N '_ <br /> - 0 " `, , 1.93 <br /> Z6D f <br /> f <br /> NA 1,790' Waren 2;00D <br /> 69 / 2,6D0- 189 ,� ; ; I ri! Ouse a,� ��._��f S -1.86 <br /> \ k / 59 NA 1;100" 5.5 , / NS <br /> 1 1i90 141 twu ktoadny !/ / 1 / 56 tL <br /> / NA 270 1 1 Rede // r I r ! <br /> 2,100 , ,r r i f f / Private Prooty / <br /> / _ i -4.71 <br /> f -3.59 1 �_� <br /> 26 J 1 ,-..,_ ` , / Ns <br /> 9 y {rte�\ -4.00 'e / 4. -1.60MM NO <br /> -3.80 ♦ NO <br /> U y f r I I Ns <br /> ND Ley -� — ` 3,10D, -2.03 <br /> NO �� ! 2.$9 1 2789 Ns Ili I f Tosco <br /> ND '� k <br /> s:5282 _ .2.78 Vq�R4 e24.0```s <br /> 1 7.D <br /> t, ti <br /> kso63 / <br /> Tay 1 , ME <br /> -3.54 -2.$3 <br /> i I NS 4- 14o <br /> N° Figure 3 <br /> 0 , HD <br /> 0 <br /> Groundwater Contour and <br /> `� `-------�---- -"------- __-._-_ _ Chemical Concentration Map <br /> k �----•Fartxd 6+an SAN.1xf5 _...._._ —.--__.—•__._ . <br /> x.02 0 -- ----------- -- -- December 3 2010 <br /> Ng -3 <br /> N� Shell Stockton Terminal <br /> _ , !1 <br /> NO 3515 Navy Drive <br /> __-- Stockton, California <br /> I:\Shell\6-chars\2417--1241729-Stockton 3515 Navy Drive\241729-REPORTS1241729-RPT28-3Q10&40101241729 4QM10-GW.DWG(01/2512011) <br />