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Janet B. Dunlap, P .E. <br /> 14 December 2006 <br /> Page 4 <br /> • Using DPT sampling equipment, groundwater samples will be collected at six locations . <br /> Groundwater sampling will be conducted in areas where potentially impacted soil has been <br /> identified. Groundwater samples will be collected from the vicinity of the existing UST <br /> area, the existing dispenser islands, north of the facility building and from the northeast <br /> corner of the property. Collected groundwater samples will be laboratory analyzed for <br /> BTEX/MTBE, PAHs (three samples maximum) and TRPH (three samples maximum). <br /> • All soil borings will be backfilled with native material and patched with concrete prior to <br /> leaving the site. <br /> Task 3. Site Assessment Letter <br /> Following completion of the field activities, GeoSyntec will prepare a brief letter report of <br /> findings . The letter report will include the following: <br /> • a brief summary of the field activities; <br /> • summary tables of the soil and groundwater sampling results ; <br /> • Geographical Information System (GIS) maps of the boring locations and results; and <br /> • a brief discussion of the results as related to future activities at the site. <br /> Two draft copies of the letter report will be provided to IRC for review . Upon receipt of IRC <br /> review comments, five copies of the final letter report, which will be signed and sealed by a <br /> licensed Professional Engineer or Geologist, will be provided to IRC . <br /> ASSUMPTIONS <br /> During the preparation of this proposal, GeoSyntec has made the following assumptions : <br /> • Access to sampling locations is not restricted. <br /> • All sampling can be performed in Level D personal protective equipment. <br /> XR06212/CCR060075 IRC-Limited Petroleum Site Assessment <br /> engineers I scientists I innovators <br />