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i <br /> t <br /> Site Background Information former Blue Star Gasolene <br /> . Page 3 of 3 <br /> On 02 and 03 May 2005,three ground water monitoring wells(MW-1 through MW-3)were Installed <br /> at the site and completed using 2-Inch diameter, Schedule 40 polyvinylchloride(PVC) casing with <br /> a 0 020-inch slotted screen Installed from 60 feet to 80 feet bsglPilotboring MW-1 was filled with <br /> No 3 Lonestar sand from 85 feet to 80 feet bsg in order to set the well at 80 feet bsg A total of <br /> thirteen soil samples were analyzed for petroleum constituents listed, no analytes were detected at <br />' or above laboratory detection limits in the soil samples analyzed Analytical results of soil arrd1` <br /> R,,amples are Included in Table 1 of this appendix t�o l 9 jet <br /> To date, the lateral extent of petroleum hydrocarbon/6ontamination Is defined to the west by well <br /> MW-2 and to the north (up-gradient) by well MW-3, the lateral extent of petroleum hydrocarbon <br /> contamination is not yet defined to the south or east of well MW-1 <br /> 1 <br />' STRATIGRAPHY <br /> In general,silt and clayey silt were encountered from surface grade to 50 feet bsg in MW-1,67 feet <br /> bsg in MW-2, and 77 feet in MW-3, underlain by alternating layers of silty sand, sandy silt, sand, <br /> silt, and clayey silt to the total depths of the borings (80 feet to 85 feet bsg) <br /> 1 • <br /> 1 ' <br /> 1 <br /> 1 <br />' Advnaeed GeoEnvironmentai,Inc <br />