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26 November 2001`. <br /> AGE-NC Project,No. 98-0492 <br /> Page 7 of 7 <br /> filled using the appropriate disposable sampling attae ' ent which allows controlled flow out of the <br /> bottom of the bailer by lifting up on the check valve. _ <br /> 4.4.4. Sample Handling <br /> Ground water samples will be collected into,laboratory+supplied containers. Ground water samples' <br /> for BTEX,TPH--g, and fuel oxygenates analyses will be collected into 40-m1.VOA vials containing. <br /> -0.5 ml of hydrochloric acid as preservative.Samples foi TPH-d analysis will be collected into 1-liter <br /> amber glass containers without a preservative. F llowing collection, the samples will-be <br /> appropriately labeled and'placed on ice and kept in a cooler until delivered to the laboratory for <br /> analysis.Chain-of-custody protocols will be used to doc ent sainple custody transfer from the field. <br /> to the analytical laboratory. A chain-of custody_form ill'accompany the samples. <br /> 4.5. EQUIPMENT DECONTAMINATION <br /> All sampling'tools used for sample.collection will be thoroughly washed with a solution of Alconox <br /> and rinsed with clean water prior to each sampling loc tion.-All probing rods will be cleaned prior - <br /> to'advancement at each probe boring location. Hollow-stem.augers will be steam-cleaned prior to . <br /> each.bon'ng. . <br /> 4.6. -. - BORING ABANDONMENT <br /> Should any soil borings not be completed as monitor g wells. they will be permanently.sealed to = <br /> prevent vertical rnigration of potential contaminants..S it borings shall be abandoned by backfilling <br /> with bentonite or cement-bentonite slurry from the tota depth tc surface grade. The PHS-EHD will <br /> be notified for grout inspection at least 72 hours prior o conducting grouting procedures. <br /> Advanced GeoEnvironmentaL Inc. <br />