. State Voluntary Remediation Assistance AVANT has an excellent track record for successfully closing contaminated sites under the Indiana Department of Environmental Management's Voluntary Remediation Program (VRP). We have extensive knowledge of the program, both the conventional VRP and the Risk-Integrated System of Closure (RISC) protocol, and have forged cooperative, professional relationships with many of the VRP's project managers. The table below details AVANT's most recent VRP activities (COC = Certificate of Completion; CNTS = Covenant Not to Sue). Site Location Contaminants/ Media Work Activities/Status Auburn, IN Chlorinated solvents/soil and groundwater Soil and groundwater investigation, risk assessment with fate and transport modeling, soil and groundwater remediation including groundwater dewatering, soil-vapor extraction, in-situ chemical oxidation, and electro-osmosis. COC and CNTS issued for part of site. Post remediation sampling ongoing. Columbia City, IN Chlorinated solvents/soil and groundwater Soil and groundwater investigation and remediation consisting of groundwater dewatering and soil-vapor extraction. Remediation on-going. Columbia City, IN Petroleum hydrocarbons/ soil and groundwater Soil and groundwater investigation and risk assessment to establish site-specific cleanup goals. COC and CNTS issued. Columbia City, IN Chlorinated solvents/soil and groundwater Soil and groundwater investigation and risk assessment to establish site-specific cleanup goals. Remediation feasibility study completed. Fort Wayne, IN Chlorinated solvents and petroleum hydrocarbons/ soil and groundwater Soil and groundwater investigation and risk assessment with fate and transport modeling to establish site-specific cleanup goals. COC and CNTS issued. Indianapolis, IN Chlorinated solvents, petroleum hydrocarbons, and metals/soil and groundwater Soil and groundwater investigation. COC and CNTS issued. Fort Wayne, IN Chlorinated solvents, metallic and non-metallic inorganics/soil and groundwater RCRA corrective-action closure. Soil and groundwater investigation and risk assessment with fate and transport modeling to establish site-specific cleanup goals. COC and CNTS issued. Fort Wayne, IN Metals/soil Soil investigation and remediation (excavation). COC and CNTS issued. Marion, IN Petroleum hydrocarbons/ soil and groundwater Soil and groundwater investigation. Additional investigation and remediation (free-product collection) on-going. Fort Wayne, IN Chlorinated solvents/soil and groundwater Soil and groundwater investigation, risk assessment with fate and transport modeling, soil and groundwater remediation including groundwater dewatering and soil-vapor extraction. Remediation on-going Lafayette, IN Aromatic hydrocarbons/soil and groundwater Soil and groundwater investigation completed. Remediation pending. Indianapolis, Indiana Petroleum hydrocarbons/groundwater Soil and groundwater investigation completed. COC and CNTS pending. Waterloo, IN Petroleum hydrocarbons/ soil and groundwater Work plan developed. Other Services for State & Local Government & Non-Profit Groups Water Resource Design and Management Sanitary and Storm Sewer (Conveyance) Design Construction Management Wastewater Management Environmental compliance services Phase I and II environmental site assessments Brownfield site evaluations UST investigations, closures, & remediations Asbestos and lead-paint inspections .

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