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Sample ID 917-10 <br /> - Screen Interval <br /> 4-14 <br /> (ft bgs) _ <br /> Date 6/28/2018 <br /> DAI/ISAI/E TPHg 3,200 <br /> TPHd 1,100 <br /> Benzene 38 <br /> { Ethylbenzene 1.7 <br /> Toluene 11 <br /> m,p-Xylene 8.6 <br /> 1 o-Xylene 1.6 <br /> +rte; <br /> Naphthalene <0.15 <br /> 917-03 <br /> } 917-10 <br /> r 917-04 <br /> Sample ID 917-03 Sample ID 917-04 <br /> r�Screen Interval 43569 Screen Interval(ft <br /> 4-14 14 <br /> b s <br /> b s <br /> 10 Date 6/28/2018 '� Date 6/28/2018 <br /> j TPHg 48J ' TPHg 180 <br /> TPHd 120 TPHd 220 <br /> Benzene 0.211 Benzene 2.2 <br /> Ethylbenzene 0.2J Ethylbenzene 0.49 J <br /> t �.I o Xylene <br /> 0.111 Toluene <0.25 <br /> �, Toluene <0.25 m,p-Xylene 0.82 J <br /> 6 Naphthalene <0.15 o-Xylene 0.29 J <br /> Naphthalene <0.15 <br /> Legend UST 8178 <br /> Notes: Groundwater Monitoring Well Locations <br /> Monitoring Well Location All results are posted in micrograms per liter(pg/L). g <br /> ftbgs=feet below ground surface and Sample Data 2018 <br /> Former BuildingStructures TPHd=Total Petroleum Hydrocarbons as Diesel N <br /> TPHg=Total Petroleum Hydrocarbons as Gasoline Port of Stockton, Rough&Ready Island <br /> 0 Former UST UST=Underground Storage Tank Stockton,California <br /> J=Result is less than the reporting limit but greater than or equal to the <br /> Former Excavation Areas method detection limit and the concentration is an approximate value Q p <br /> All data posted has been adopted from the AnchorQEA EQuIS database, GeOsynteC® Figure <br /> Roads acquired in May 2018 <br /> Image source:Google Earth Pro,31 August 2018 <br /> consultants A <br /> 0 50 4 <br /> Feet WR2501A August 2019 <br /> P:\GIS\Port_Of_Stockton\Rough-and-Ready-Island-PM\Project\USTs\2019_817B_SV-Workplan\Fig04_UST817B_HistoricGWData.mxd 8/29/2019 3:19:13 PM <br />