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06 June 2002 <br /> AGE-NC Project No. 03-1015 <br /> Page 4 of 4 <br /> 4.2. SOIL SAMPLING PROCEDURES <br /> Soil borings to be sampled at specified depths using a 2.125"Geoprobe soil sampling assembly loaded <br /> with four six-inch brass sleeves. Upon sample retrieval,the ends of the second sleeve will be covered <br /> with Teflon sheets, capped and sealed with tape. <br /> Appropriately sealed and labeled samples will be placed in a chilled container under ice and <br /> transported under chain-of-custody procedure to a DHS-certified laboratory.Each sample sleeve will <br /> be labeled with the boring designation, time, date and sampler's initials. <br /> 4.3. EQUIPMENT DECONTAMINATION <br /> Prior to use, all sampling tools used for sample collection will be thoroughly rinsed with clean water <br /> after being washed with a solution of Alconox and water. <br /> 4.4. BORING ABANDONMENT <br /> Each boring will be backfilled with bentonite chips to form a seal and covered with native soil to <br /> surface grade. <br /> Advanced Geo Environmental <br />