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11 September 2001 <br /> AGE-NC Project No: 01-0866 -' <br /> Page 3 of.3 <br /> EQUIPMENT DEC _ <br /> 3.3. �E DECONTAMINATION <br /> _ <br /> All sampling tools used for sample collection will be thoroughly washed with.a'solution of Alcono t <br /> and rinsed with clean water prior to each sampling location.':Hollow-stem augers will be,steam-, <br /> clearied prior to advancing each boring. _ <br /> 3.4. - BORING ABANDONMENT <br /> All soil borings will be permanently sealed to prevent vertical migration of potential.contaminants. <br /> Soil borings will be abandoned by backfilling with.bentonite and/or cement slurry-from,the total <br /> depth to surface grade. The PCEHD will be notified for•grouYinspection at.least 48 hours prior to <br /> conducting grouting procedures. <br /> := Advanced GeoEnvironmental,Inc.. -, <br />