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=� . ' y _�-� _u .. _ ,,,. �. ;,,,,. ....ate -:'sem- ,%'_.. moi- r- <br /> 1�5- �' t "N'T 4 � nn,e-'�-• 7 � q "M. apt <br /> w <br /> 1 <br /> observed to s depth of 16 feet below the ground surface. Analyses completed <br /> on nine soil samples obtained during UST removal confirmed that the soils <br /> beneath several of the excavated tanks contained total petroleum <br /> hydrocarbons, <br /> t. To determine the extenc of hydrocarbon presence observed during tank <br /> excavation, an initial site investigation wase pr <br /> investlgation included the installation of four monitoring wells onsites <br /> MW-1 at the former location of six of the underground storage tanks, MV-2 e; <br /> the forrnsr locatat <br /> icn of the seventh underground tank (the waste oil tank) i <br /> M4-3 and MW-4 to the north of the UST locations. <br /> rLt 22 feet to 27 feet below the ground surface during g athis ter tible was , <br /> nvestigation. <br /> aamgles -,are taken during well installation at f,ve foot intervals and <br /> t ; selected samples were analyzed for hydrocarbons. Water_ sawples rAan from <br /> the four monitoring wells were analyzed for hydrocarbons and chlorinated <br /> solvents. <br /> The results froFa the soil and water analyses showed that only nc-U <br /> samples from MW-1 contained elevated .levels of hydrocarbons, but that ground <br /> i•s water samples from both kfW-1 and MW-2 showed elevated concentrations of <br /> i � hydrocarbons. Water samples from M14-1 also showed elevated levels of <br /> chlorinated so'-vents. No solvents were detec:sd in water samples 'rom mw- <br /> 2. I'!W-3 or MW-4. <br /> I <br /> i <br /> iw <br /> f <br /> I c <br /> LDD1.022nw 2 <br /> t <br /> i <br />