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|Site Name:||Former A. B. Dick Company Facility|
|Applicant Name:||A. B. Dick Company c/o GEC Inc.|
|Site Location:||2101 Directors Row Indianapolis, IN 46241|
|VRP Site Number:||#6980401|
|Project Manager:||Jeff Kavanaugh|
|Date Application Received:||March 13, 1998|
|Date Project Completed:||September 22, 2003|
|Contaminant(s):||SVOCs, VOCs and Metals|
|Media Addressed:||Subsurface Soil and Groundwater|
|Cleanup Objectives Achieved:||VRP 1996 Tier II Nonresidential and Tier III Groundwater Modeling and Risk Assessment|
|Deed/Land-Use Restrictions:||Non-residential Use and Unchanged Site Conditions|
The A.B. Dick Company formerly operated a service center at the Site that reportedly involved the use of solvents to clean machine parts. Available information indicates that a 1,500 gallon concrete tank was installed (1981) immediately south of the existing building. The purpose of this tank was to service three (3) connected floor drains located in the Machine Cleaning Room and Solvent Storage Room inside the structure. The storage tank was later removed in 1996.
Parsons Environmental Engineering & Environmental Services (PE&ES) performed several soil and groundwater investigations at the Site, which reasonably demonstrated that impacted soil and groundwater appeared to be limited to an area near the location of the former tank. The volatile organic compound (VOC) concentrations detected in soil were below IDEM's Tier II Non-Residential Cleanup goals (VRP July 1996) at all sampling locations. Additionally, VOC concentrations in groundwater were also detected below Tier II Non-Residential Cleanup goals (VRP July 1996) with the exception of two (2) VOCs, carbon tetrachloride, and 1,1 dichloroethene (1,1-DCE). These two compounds were exceeded in groundwater in one monitoring well (MW-1) located adjacent to and downgradient of the former tank. PE&ES performed a risk assessment, which identified construction workers as the most likely populations to be exposed to the remaining chemicals of concern. PE&ES demonstrated that the concentrations of carbon tetrachloride, and 1,1 dichloroethene (1,1-DCE) historically observed at the site do not pose a significant health risk. Additionally, PE&ES reasonably demonstrated with the use of MODFLOW (computer model) that the two compounds, carbon tetrachloride, and 1,1 dichloroethene (1,1-DCE) are not anticipated to migrate off-site.
Based upon the risk-based assessment information, the fate and transport of chemicals in groundwater in combination with the restrictions on the use of groundwater, along with proposed deed restrictions limiting the Site to non-residential uses only and restricting the land use of the Site which would alter any of the current site conditions, IDEM agrees that no significant environmental or human health risk to potentially exposed populations (i.e. construction worker) exists.