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1.3 Bodine shall utilize hand and/or mechanical augers to obtain soil samples from <br /> approximately ten(10) feet below ground surface (fbgs). In order to address current <br /> Illinois EPA sampling protocols for USTs, Bodine proposes the installation of six boring <br /> at the approximate locations of the UST from building diagrams. For each UST, one soil <br /> sample from each side wall area and two soil samples from the approximate invert of the <br /> UST will be obtained and submitted for laboratory analysis of the Fuel Oil indicator <br /> contaminants. The borings shall be screened with a Photovac Micro-Tip Photo-ionization <br /> Detector(PID)to determine appropriate intervals to collect samples for laboratory <br /> analysis. <br /> 1.4 It is anticipated that one sample from each soil boring location shall be collected for <br /> chemical analysis. The vertical sample locations shall be determined in the field using <br /> the PID. The location within each boring that exhibits the highest PID reading shall be <br /> collected for analysis. If PID readings do not indicate the presence of volatile <br /> compounds, a grab sample shall be collected at an interval consistent with the highest <br /> potential for the presence of contamination <br /> 1.5 Bodine shall submit up to twelve (12) samples for laboratory analysis of Benzene, <br /> Toluene, Ethylbenzene and Total Xylenes(BTEX) and Poly-cyclic Aromatic <br /> Hydrocarbons (PAHs). <br /> 1.6 Bodine shall submit the soil samples to an Illinois EPA Certified Laboratory for analysis <br /> of BTEX using method SW 846 Method 5035/8260 and PAHs using method SW 846 <br /> Method 8270/8310. <br /> 1.7 Upon completion of the subsurface investigation, each boring location shall be grouted <br /> closed with a granular bentonite material. The top one foot of each boring shall be sealed <br /> with concrete grout and leveled at grade. This procedure is conducted to prevent the <br /> vertical migration of surface contaminants through the bore holes. Cuttings/materials <br /> from the borings will be contained in up to one (1) 5 5 gallon open top steel drums and <br /> disposed of as a solid waste, non-hazardaus special waste or hazardous waste pending the <br /> results of the laboratory testing. Bodine will provide a separate cost for disposal upon <br /> receipt and evaluation of the laboratory analytical report. <br /> 2A IMPACTS OF DISCHARGES TO SANITARY SEWER <br /> Review of previous documentation provided by the Client indicates a potential for releases to the I� <br /> subsurface via leaks in the sanitary sewer discharge for Mound Middle SchooL In order to assess I <br /> this potential, Bodine proposes to place one subsurface boring at the edge of the property near <br /> North Water Street. The boring will be located in an attempt to encounter the backfill material <br /> for the sanitary sewer piping. <br /> 2.1 Bodine will contact JULIE, or similar State-specific locating service, and work with the <br /> facility owner to locate underground utilities not identified by the locating service prior to <br /> initiation of the subsurface investigation activities. <br /> -2- <br /> BODINE ENVIRONMENTAL SERVICE"S, INC. <br />