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06 June 2003 <br /> AGE-NC Project No. 98-0468 <br /> Page 4 of 4 <br /> After collection, the samples will be appropriately labeled, placed on ice and kept in a cooler until <br /> delivered to the laboratory for analysis. Chain-of-custody protocols will be used to document sample <br /> custody transfer from the field to the analytical laboratory.A chain-of-custody form will accompany <br /> the samples. <br /> Proposed soil boring locations are illustrated on Figure 2.Following borehole advancement,portland <br /> cement (grout mix)will be utilized to backfill each borehole from total depth utilizing a down-hole <br /> tremie pipe_ The EHD will be given a 48-hour inspection notice to inspect the grout mix and <br /> backfilling activities. <br /> 3.2. EQUIPMENT DECONTAMINATION <br /> All sampling tools used for sample collection will be thoroughly rinsed with clean water after being <br /> washed with a solution of Alconox.All down-hole drilling and sampling equipment will be pressure <br /> washed prior to starting each boring. <br /> 4.0. LIMITATIONS <br /> AGE's professional services were performed using that degree of care and skill ordinarily exercised <br /> by environmental consultants practicing in this or similar localities. The findings were based upon <br /> analytical results provided by an independent laboratory. Evaluations of the hydrogeologic <br /> conditions at the site for the purpose of this investigation were made from a limited number of <br /> available data points (i.e., monitoring well ground water samples) and subsurface conditions may <br /> vary beyond these data points. No other warranty, expressed or implied, is made as to the <br /> professional interpretations, opinions and recommendations contained in this report. <br /> Advanced GeoEnvironmentaI,Inc. <br />