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This Overall Quality Assurance Project Plan (OQAPP) has been prepared as a component of Delivery Order No. 2 of Contract DAAA15-90-D-0017. The purpose of this OQAPP is to define responsibilities and authorities, and to prescribe requirements for assuring that the remedial investigation (RI) and feasibility study (FS) for Fort Sheridan are planned and executed in a manner consistent with U.S. Army Environmental Center (USAEC), U.S. Environmental Protection Agency (EPA) Region V, and Illinois Environmental Protection Agency (IEPA) quality assurance (QA) objectives. This OQAPP provides guidance and specifications to ensure that: (1) Field determinations and laboratory analytical results are of known quality and are valid, consistent, and compatible with the USAEC chemical database through the use of approved methods, preventive maintenance procedures, calibration and analytical protocols, quality control (QC) measurements, reviews, and audits. (2) Samples are obtained using appropriate, documented procedures; identified uniquely; and controlled through sample tracking systems and chain-of-custody procedures. (3) Records are retained as documentary evidence of the quality of samples, applied processes, equipment, and results.(4) Generated data are validated. (5) Calculations and evaluations are accurate, appropriate, and consistent throughout the project.
This report presents the findings of an investigation into contamination of the Clinch River and Poplar Creek near the US Department of Energy's (DOE's) Oak Ridge Reservation (ORR) in eastern Tennessee. For more than 50 years, various hazardous and radioactive substances have been released to the environment as a result of operations and waste management activities at the ORR. In 1989, the ORR was placed on the National Priorities List (NPL), established and maintained under the federal Comprehensive Environmental Response, Compensation, and Liability Act of 1980 (CERCLA). Under CERCLA, NPL sites must be investigated to determine the nature and extent of contamination at the site, assess the risk to human health and the environment posed by the site, and, if necessary, identify feasible remedial alternatives that could be used to clean the site and reduce risk. To facilitate the overall environmental restoration effort at the ORR, CERCLA activities are being implemented individually as distinct operable units (OUs). This document is the combined Remedial Investigation and Feasibility Study Report for the Clinch River/Poplar Creek OU.