R2017-59 Redevelopment Agreement MDA Properties, LLC

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Book: 4558 Page: 45 September 30, 2015 Mr. Billy Tyus Focused Phase II ESA- 151 West Main Street/152 West Wood Street Page 2 • There is a potential for release from any chemical storage in the courtyard where the 55-gallon drum was found on the Property that could negatively impact underlying soil and groundwater. Adjacent Property • There is potential for release of petroleum products from the historical UST used at 160 West Main Street that could negatively impact underlying soil and groundwater at the Property. • There is potential for release of petroleum products from the historical UST used at 105-123 East Wood Street that could negatively impact underlying soil and groundwater at the Property. • There is potential for release of petroleum products from the historical UST used at 201-235 East Wood Street that could negatively impact underlying soil and groundwater at the Property. CREC There is potential for migration from the historical release of contamination located 266 West Main Street to the Property that could negatively impact underlying soil and groundwater. The ASTM El 527-13 Phase I ESA Standard defines a REC as "the presence or likely presence of any hazardous substances or petroleum products in, on, or at a property: (1)due to release to the environment; (2)under conditions indicative of a release to the environment; or(3) under conditions that pose a material threat of a future release to the environment." The objective of this Phase II ESA was to determine if soil and/or groundwater on the Property had been negatively impacted by the aforementioned RECs by comparing detected parameters to the established 35 Illinois Administrative Code (IAC) Part 742, Tiered Approach to Corrective Action Objectives(TACO)Tier 1 soil remediation objectives (SROs) for industrial/commercial land use (current/future proposed Property land use); the most stringent groundwater remediation objectives (GROs)for Class I Groundwater; and the Tier 1 GROs for the Indoor Inhalation Exposure Route - Diffusion and Advection (Tables I and H) . FIELD ACTIVITIES On September 16-18, 2015, Ms. Erica Toledo of Fehr Graham mobilized to the Property to oversee and conduct site investigation activities with two (2)field staff members from Earth Solutions, Inc. (Earth Solutions), the drilling contractor procured by Fehr Graham. Prior to drilling activities, Earth Solutions initiated a Joint Utility Locating Information for Excavators (JULIE)request to identify any public underground utilities in the vicinity of the investigation areas. Site conditions September 16-18 consisted of partially clear skies with moderate humidity and an average temperature of approximately 70-80 degrees Fahrenheit. Under the direction of Fehr Graham staff, Earth Solutions conducted a total of nine (9)soil borings (SB1 through SB9)for soil sampling purposes and installed three(3) temporary groundwater monitoring well (TW1-TW3)for groundwater sampling at pre-selected locations on the