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• N <br /> � P-12+7B P-12r7A <br /> 0 [2.5 to 12x5' [13 to 18'] <br /> 5 <br /> \[5.5 to 10.5] <br /> 0 ND <br /> SITE 09 <br /> ♦ GGW-20 <br /> �� W-167•- � P-132� P-133 P-134 <br /> ♦ [20 to 30] [4.5 to 14.5] [3 to 13] <br /> [4 to 14j <br /> P-131 W-087 <br /> [4 to 14] [5-1 64 IAS-09 [4 to 9] <br /> � to 1.0] I-D <br /> ND ND SITE OS-Pad <br /> / I/, W_226. <br /> 704 <br /> (S/,NT)D 118 to 23] W9 0 to 23.5] <br /> DD <br /> �_ I I� d-228 I W-039 <br /> I 37] <br /> I I NT RMW-X16 I [4 to14] ND ND <br /> P-136 I <br /> [4 to 14] I P-137 1 NA NA W-249 <br /> k [22 to 32] <br /> I [6.5to16.5] ND ND <br /> K 1W-169 W-225 1 <br /> [34 to 39]1 W-166 . [5 to 10 1 ` GGW-19 [2.9 to 12.9] <br /> ND NT [25 to 30] ]1 IAS-16 <br /> D INT <br /> W-'006 W-227 I M ` <br /> [r7.5 to 17.51 W-055 [18 to 27] <br /> ND ND [5 to 10] DD I <br /> i ND ND W-229 I 7 <br /> IAS-03/04 I [35 to 40] i <br /> / (S/NT)I <br /> W=036 <br /> L I . <br /> [d 8-.8-to-29 81 W-040 <br /> I D 1 1 W-162 [5.5 to 10.5] <br /> HIM -17 ND ND <br /> W-0471 [33 N 381 <br /> W-063 ND ND W-250 <br /> [36,to 40]` [21 to 25] yy.280 [14 to 19] <br /> W-062 I D 213 W-251 <br /> �O W-065 [5 toDOD] [31 to 34] W.16'1 [27.5 to 32.5] <br /> �� P-140 [11 to 14] yy'!p111 D D P-141 {18.5 to 28.5] ND ND <br /> [•3.9 to 13.9.] ND IVT <br /> (7 D NT [r7 to 17e] [4.4 to 14.4] p-142A W-071 <br /> ,t'C W-066 (S/N}T)NT W-012\ P=1426 [15-to ZO] [r7 to 10] <br /> J [21 to 26'] W0B7 NT S/PD\N [3.4 to 13.4] D NU <br /> W-072 P-143 <br /> NT NT [30 to34] ( ) [18 to 28] [4 to 14] <br /> W-254 RMW-18 D D ' W;069 <br /> [18 to 25:] W-176 ND U <br /> [10 to 15] yp:07p SITE 39 W-073 <br /> ND ND r7 to 9 D D [20 to 30] 35 to 40 <br /> [10 to 15l [20 to 30] W-172 D D [32 to 37] - -W-223 D D <br /> ND NI) ND <br /> W-253 SITE 16 W-257 (S/D)ND W�224 W-173 D D <br /> [25 to 30] 209 [20 to 25] W-174 [D3 Dto 37] P [5�D 0] [10 t 315] <br /> ND ND ND ND [20 to 25] D NU <br /> W-256 D NT W-2+72 <br /> W-060 [21 to 26:] <br /> P-180 [r7.5 to 12.5] I RMW-19 RMW-20 <br /> [21 to 31] W.137 ND ND VV_017 [r7 to 10.] W-005 IAS-07 ND ND <br /> 20 to 25[ ] [6ND ND <br /> � <br /> 3p] SITE 43 <br /> W-038 [21 to 28] p.146 <br /> D D P�147 <br /> [14 to 29] SITE 5G [3.6 to 13.6:] ND ND W-054 P-148 <br /> ND ND P-1456 W-121 ['4 to 14] [5 to 10] <br /> 161 16:] <br /> • W-136 [15.55 to 20.55 [23.5 to 2x7.5] W-118 D ND IRM -21 [5 to 15] <br /> ND ND <br /> [7 to 1 D �W-135 SITE 5F NA NA NA r7] <br /> SITE W-122 <br /> SITE [18.5 to 28.5] 5E [7 to 1Z] W-119 <br /> •+ D ND rvH NA IAS-05 [5 to 10] <br /> '.;H W-049 NA NA SITE 51 <br /> [40.5 to 48] <br /> �•�• ND <br /> •�• 214 <br /> y <br /> �•'-� P 150 <br /> �•,� 215 <br /> Legend Notes <br /> W-273=Well ID <br /> Monitoring Well(Proposed) Vinyl Chloride concentration greater [10 to 15]=Well Screen Interval <br /> Monitoring Well in Good Condition than 0.5 Ng/L-dashed where inferredD ND=cis-1,2-DCE MK trend VC <br /> Monitoring Well(Damaged) _ cis-1,2-DCE concentration greater MK trend(MK trend/Linear <br /> Monitoring Well(Destroyed) than 6 Ng/L-dashed where inferred trend if different) 210 105 0 210 Feet <br /> ° Monitoring Well(Unable to assess - Drainage Channel cis-1,2-DCE=cis-1,2-Dichloroethene <br /> 3 4' due to vegetation) <br /> Roads MK=Mann-Kendall <br /> Ng/L=micrograms per liter <br /> Piezometer in Good Condition } Rail Line Construction Area VC=Vinyl Chloride Southern Landfills Well Condition and Cis-1,2-DCE and <br /> Piezometer(Damaged) [:J Landfill Cell Boundary(ERS,2009) Mann-Kendall trend designations Vinyl Chloride Mann-Kendall Trends in Groundwater <br /> Piezometer(Destroyed) Contamination Sites I=Increasing 2022 Groundwater Monitoring Work Plan <br /> Rough and Read Island boundary PI=Probably Increasing Rough and Read Island,Port of Stockton <br /> - Piezometer(Unable to assess 1...1 g y y S=Stable g Stockton,California <br /> M due to vegetation) PD=Probably Decreasing <br /> Piezometer(Unable to locate) D=Decreasing <br /> • 20182021 Grab Groundwater ND=Non-Detect GeosMteccl' Figure <br /> _ Sampling Location NA=Not Applicable(due to <br /> A Staff Gauge insufficient data) consultants <br /> Contours are from 2020.MK trends are 8 <br /> Service Layer Credits:Source:Esri,Maxar,GeoEye,EarthstarGeographics,CNES/AirbusDS,USDA,USGS,AeroGRID,IGN, most recent trend available. Project No.:WR25016 June 2022 <br /> and the GIS User Community <br />