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Ms. Ann Kolata August 14, 2012 Page 3 of 9 • Lead should be added as a contaminant of concern (COC) for groundwater sampling and TPH should be removed from the groundwater sampling scheme. • Quarterly sampling of the monitoring well network should be conducted. • Full QA /QC documentation should be provided to IDEM to validate results. • The earlier UST Closure Report deemed incomplete should be amended by providing the information requested in the UST Closure Checklist to IDEM's UST Section. PROJECT OBJECTIVES The initial objective of the project is to complete the FSI investigation, prepare the FSI report, and submit it to the IDEM. The ISC investigation will be completed in accordance with 329 IAC 9 -5 -5. 6 and be consistent with the Risk Integrated System of Closure (RISC), as amended. The investigation will also be in accordance with the IDEM correspondence to the City, dated June 27, 2011. The primary objective is to determine the full extent and location of soil and groundwater contaminated by the release in accordance with state requirements, ultimately leading to the issuance by the IDEM of a No Further Action or Closure Letter. The following presents our proposed Scope of Work to address these individual project tasks: • Task 1 — Complete Further Site Investigation Activities; • Task 2 — Prepare Corrective Action Plan (if necessary); • Task 3 — Implement Corrective Action Plan (if necessary); • Task 4 — Request Closure/NFA • Task 5 — Project Management related to LUST Activities. Each of these tasks is described in detail below SCOPE OF WORK Task 1 Complete Further Site Investigation Activities Sub-Task 1- A/Field Investi ation To co plete the assessment, Weaver Boos proposes to follow boring placement and soil /gro ndwater sampling requirements as recommended in the ISC Report and June 27, 2011