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LEEDSHILL HERKENHOFF, INC <br /> December 14, 1989. These samples were analyzed for TPH as gasoline Groundwater <br /> samples were collected on December 7, 1989 from each of the five wells on site <br /> They were analyzed for BTX&E and TPH as both gasoline and diesel . <br /> The analytical methods referred to above conform to EPA Test Methods for <br /> Evaluating Solid Waste: Physical/Chemical Methods (SW-846, 2nd Edition) , Methods <br /> for Organic Chemical Analysis of Municipal and Industrial Wastewater USEPA 600- <br /> 14-057, applicable methodologies from Sta.pdard Methods for the Examination of <br /> Water and Wastewater, 16th Edition, and/or as specified in the Leaking <br /> Underground Fuel Tank Manual (LUFT) , modified EPA SW-846 Method 8015. <br /> The laboratory analyzing the samples for these constituents was Superior <br /> Analytical , Inc. , a DOHS-certified laboratory. Included in Appendix B is <br /> Superior Analytical 's DOHS certificate, as well as, the chain-of-custody and <br /> analytical results. <br />