Supplemental Agreement No 2 - United Consulting - APA Costs and Phase II Environmental Assessment for Coal Line Train Phase I

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Groundwater is not expected to be encountered within the borings. If groundwater is encountered, temporary 0.75-inch diameter PVC piezometers equipped with five feet of slotted screen shall be installed in each boring in which groundwater is encountered during drilling or the conclusion of soil sampling activities. All groundwater samples shall be submitted for analysis of volatile organic compounds (VOC) including naphthalenes and lead scavengers per EPA Method 8260. If groundwater samples are collected near areas of concern with potential petroleum impacts, groundwater samples shall also be analyzed for lead per EPA Method 6010B. The CONSULTANT shall prepare a report summarizing the findings. This report shall include available background information, the results of laboratory testing, a discussion relative to the presence of detected constituents, conclusions, and if required, recommendations for further activities. The levels of detected constituents will be compared to IDEM's updated Remediation Closure Guide (RCG) screening levels to assess potential regulatory and/or handling/disposal implications. S. APPRAISAL PROBLEM ANALYSIS The CONSULTANT shall prepare a parcel -by -parcel examination of the project site to determine the extent of each taking and the appraisal approach to be utilized by the appraiser. The CONSULTANT shall provide Indiana Department of Transportation (INDOT) approved appraisers to complete the Appraisal Problem Analyses (APA's). The APA report shall include a summary sheet setting out the following: 1. Parcel Number 2. Owner's Name 3. Size of Property 4. Amount of R/W to be acquired 5. Types of R/W to be acquired 6. Recommended appraisal form lll. Appendix "C7is amended to read as follows: E.6. PHASE II ENVIRONMENTAL SITE ASSESSMENT The CONSULTANT shall notify INDOT and the LOCAL PUBLIC AGENCY at least one week in advance of mobilizing to the site to initiate sampling. Drilling and sampling activities shall be completed within 2 calendar days following notice to proceed from the LOCAL PUBLIC AGENCY. Laboratory analysis will be completed within 14 calendar days following the completion of sampling. A draft report shall be provided within 14 calendar days after completion of the laboratory analyses. A final report shall be provided to INDOT within 3 calendar days following receipt of the draft report comments from the LOCAL PUBLIC AGENCY. Supplemental Agreement version 6-2011