The main goal of ESTCP project ER-200424 was to assist environmental remediation practitioners in evaluating and selecting appropriate remedial technologies, given particular site conditions and performance goals. For those sites where remedies are not meeting established remedial action objectives (RAO), the screening tool can assist in determining whether there is a realistic expectation of meeting the RAOs for a given site and technology. The screening tool also can provide an assessment of alternative technologies that might offer a higher likelihood of success. The DNAPL Technology Evaluation Screening Tool (DNAPL TEST) was developed using data from published literature cases and modeling simulations that supplemented existing data. Laboratory studies also provided information on fundamental processes impacting technology performance. The costs to operate DNAPL TEST are very low, and the time required to run an analysis on the tool is ~10 to 20 minutes. The tool is available for free download from the ESTCP website at http://www.estcp.com/Program-Areas/Environmental-Restoration/Contaminate
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