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20 September 2007 . -.. <br /> AGE-NC Project No. 97-0300 <br /> Page 6 of 6 <br /> containerized in properly labeled DOT-approved 55-gallon drums,and was stored on-site in an area <br /> lacking public access. <br /> - 3.4. BORING ABANDONMENT <br /> Following collection of soil-gas vapor samples and CPT grab ground water samples,each-borehole <br /> will be filled to the ground surface with a Portland type II cement grout. The grout mixture will <br /> consist of Type I/II portland neat cement and not more than 6 gallons of water per 94-pound sack of <br /> cement.The grout will be deployed through a 1-inch diameter PVC tremmie pipe.The SJCEHD will <br /> be given the opportunity to inspect the grout mix prior to backfilling activities. <br /> - Advanced GeoEnvironmental,Inc. <br />