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1: <br /> Martin Thorpe <br /> 16 October 1987 15 4EISS ASSOCr4MS <br /> (excavation orin-p.i.ace-treatiuc=nt—of-soil-,.coritaini.ng-more_.cligii lU ppm TF'HC, iNci <br /> hydrocarbons vera fourxl_in-ur,sat_urares_soil—iii the-vicinl.-ty_of-K-2 avid .MQ'=` <br /> Benzene concent.ratiolls In ground waiver samples, ffroni all. three wells <br /> A excek;i the DUS action level 'OC 0.0007 Pill[). Toluene saris prevent in ground <br /> wratar from MW-2 and KW-3 above the DHS action level of 0.1 ppm. Xylene was <br /> present in MW-3 ,above t:he action level. of 0.61 ppm. The h;[)F. concentration its <br /> M4- 1 exceeded the PHS action level of the litait of quantification for the <br /> analysis. Lead (Pb) ccnceEltrat.ions An all walls were. below the FPA primary � <br /> drinking water standard of: 0.05 'ppm. <br /> The local gruund water gradient may be affected by pumping of :Municipal <br /> Well No. 1 and/or uthor wells in the area. <br /> We appreci.ace they opp0i'tutii.ty to provide this repo1't. -t() yrJlt arld, .look <br /> forward to working Cnget:t,t''i in the future. If YOU laaVU- atay questions or � <br /> comments , please Call_ <br /> Sincerely, <br /> Wells AssociatQb <br /> Joseph P. Theisen <br /> Senior Staff' Geologies- <br /> Ri.chard B. Weiss � <br /> f Principal tlydrogeologi.st: <br /> CEG #1112 <br /> JT.ja <br /> 1C: 268JT0/268R1AU7 : <br /> Attachments; A - Chain-of-Custody Forms <br /> B - Labovatory Analytic Results <br /> C - Boring Lues <br /> D - Well. Development. Field Sheets <br /> L - B&C [dater Sampling Data Sheets <br />