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Vile, <br /> B12 0 <br /> .-MMANrE-_ -AML <br /> lJl-JVLiW/C/'lw/I.A.IMr <br /> h 917-71 - �- <br /> 91 101 V9 2-08 91 -05 O 635 <0.1 i1 <br /> i ■ <br /> OB05 , it <br /> B32 0' �B01 — — — —OB03— — <br /> - �. <br /> 'ANN <br /> F� <br /> - — <br /> 1t7_7 <br /> j <br /> 1 917=03 1 917-09 <br /> ♦ �— <0.28 _♦ &0.14 , <br /> 0B34 • SS-817`B-07A 1 '$917-10 <br /> - - <br /> w B390 2.2„ - �— - � <br /> ' �� • B33 I <br /> B38 <br /> 817-D70 00 -$ 04 <br /> .. !. • B30A 917-07� <0.14 w <br /> w B130 .Y <br /> 134 <br /> �• -• <br /> ���..{�,...�,�. •.,k...'".:ram... :3-ft �F,, 'k� • 1�917-13 <br /> 1 IL <br /> •,� ,. I ,1� ■ • <br /> r <br /> • <br /> 7_112 <br /> 91<0.1_ 0B07 917-14 ; <br /> F I <0.1�B36 <br /> S. . .�• , �"•r <br /> >t� -$�917-06 <br /> �917-02 �. 1 <br /> �Y- • <0.14 <br /> <0.1 <br /> OB37 <br /> _ T <br /> Legend Notes: <br /> Abbreviations: MonitoringWell and Historical Shallow Grab <br /> Sample Location Former UST Drainage Channel <br /> O Grab Groundwater Sam Concentrations are reported in micrograms per liter(pg/L). <=analyte is not detected above <br /> P 0 9 Concentrations shown are from the most recent monitoring the reported concentration. Groundwater Samples— MTBE <br /> Groundwater Sample from Monitoring Q Former Building Structures —•— Fence well data as included in the 2023 Groundwater Monitoring pg/L=microgram per liter N UST 817E <br /> Well Report(Geosyntec,2023)or the Groundwater Monitoring MTBE=methyl tert-butyl ether Port of Stockton, Rough&Ready Island <br /> Former Excavation Area Q Building 917 Outline Annual Report for 2015(ERS,2016). UST=underground storage tank Stockton,California <br /> Approximate Direction of Groundwater Flow t — Suspected Excavation Based on B##samples were collected in 1998-1999. <br /> in Shallow Groundwater Based on Review of _ _1 817-D samples were collected in 2008. <br /> Historical Groundwater Monitoring Reports Google Earth Images Circa 2010 SS-817B samples were collected in 2019. Geosptec® Figure <br /> Between 2007 and 2023 Historical boring location source:Anchor QEA,May 2018. Il-Aerial imagery source:Nearmap,June 2024. <br /> consultants <br /> 0 40 1 6 <br /> Feet F WR2501 E November 2024 <br /> \\oakland-01\data\GIS\Port_Of_Stockton\Rough-and-Ready-Island-PM\Project\USTs\2024-07_UST817B\Figures.aprx\Fig06_Historical GWSam pies_MTBE 11/18/2024 5:14 PM(kwalton) <br />