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II.HULL October 15, 2013 Ms. Ann Kolata Senior Redevelopment Specialist City of South Bend Department of Community Investment 227 West Jefferson Blvd, 13'^ Floor South Bend, Indiana 46601 RE: Proposal to Conduct On- and Off -Site Groundwater Delineation, On -Site Soil Sampling, and Other Necessary Steps for Additional Assessment Activities at the Oliver Industrial Park Located Near Chapin Street and Oliver Plow Court, South Bend, Indiana; SB1070.400.0002. Dear Ms. Kolata: Hull & Associates, Inc. (Hull) is pleased to present the City of South Bend (Client) the following proposal to provide professional engineering services for the above - referenced project. The purpose of this document is to establish the Scope of Work as we understand it and to provide a fee schedule for the project. This proposal presents Hull & Associates, Inc.'s (Hull's) recommendations for additional tasks needed to conduct additional assessment activities and prepare an amended Indiana Voluntary Remediation Program (VRP) Remediation Work Plan (RWP) for the three vacant parcels of the Oliver Industrial Park (the Site) and additional off -site properties. Site Physical Setting and Background The Site is located approximately one mile southwest of downtown South Bend. From 1876 to 1989, activities at the Site included the manufacture of farm machinery and implements. The Site consists of several vacant lots and commercial /light industrial businesses, and is bordered by commercial /industrial properties to the southwest, south, and east of the Site; and an active rail line along the northern boundary of the Site. Residential properties are located across the western and northern boundaries of the Site. The Site is comprised of three vacant parcels totaling approximately 14.45 acres ( + / -) of land located near the intersection of Chapin Street and Oliver Plow Court in South Bend, Indiana. The Site formerly comprised approximately 36 acres of land, but the City and private entities have redeveloped portions of the Oliver Industrial Park, effectively removing certain parcels of the Site from inclusion in the VRP. Multiple environmental assessments have been conducted at the Site. Soil sampling completed thus far has revealed that benzo(a)pyrene, dibenz(a,h)anthrocene, tetrachloroethene, and TPH (historically detected in one location by obsolete method 418.1) are the only chemicals of concern (COCs) in soils that exceed their respective VRP Tier II Nonresidential Cleanup Goals. Extensive on- and off -Site groundwater testing completed thus far has revealed that tetrachloroethene (PCE), trichloroethene (TCE), and vinyl chloride (VC) are the only COCs in groundwater that exceed their respective VRP Tier II Nonresidential Cleanup Goals or the Indiana Department of Environmental Management's (IDEM's) 2012 Remediation Closure Guide (RCG) Commercial and /or Residential Groundwater Screening Levels. In December 2011, Hull submitted a RWP for the Site that presented a general path forward for additional assessment and remediation pursuant to VRP requirements. In May 2013, IDEM responded with comments to the RWP. The City and Hull responded to IDEM's comments in a letter dated August 1, 2013. That August 1, 2013 letter outlined additional assessment activities that would be initiated by the City, and proposed an 8470 Allison Pointe Boulevard, Suite 120, Indianapolis, Indiana 46250 800.241.7173 614.793.9070 fax www.hullinc.com