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Robert E. Marty <br />16 December 2010 <br />AGE-NC Project No. 10-1810 <br />Page 3 of 3 <br />EQUIPMENT DECONTAMINATION <br />Prior to use, all tools used for sample collection will be thoroughly rinsed with clean water <br />after being washed with a solution of Alconox. All hand-auger tools will be cleaned prior to <br />advancement at each boring location. <br />BORING ABANDONMENT <br />All soil borings will be permanently sealed to prevent vertical migration of potential <br />contaminants. Soil borings shall be abandoned by backfilling with a portland cement slurry <br />from the total depth to surface grade. <br />REPORT PREPARATION <br />Upon completion of field work and receipt of final laboratory analysis, a brief report will be <br />prepared. The report will include a description of the work performed and the results of the <br />laboratory analyses. Conclusions, applicable recommendations, maps will be included in <br />the report, as well as copies of the laboratory reports, testing methods, laboratory quality <br />assurance/quality control (QA/QC) reports, and sample chain of custody documentation. <br />If you have any questions or require further information, please contact our office at (209) <br />467-1006. <br />Sincerely, <br />Advanced GeoEnvironmental, Inc. <br />Vice President/Project Geologist <br />Advanced GeoEnvironmental, Inc.