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Industrial Waste Evaluation Model (IWEM)
The IWEM software is designed to assist individuals in determining the most appropriate waste management unit design to minimize or avoid adverse ground water impacts, by evaluating types of liners, the hydrogeologic conditions of the site, and the toxicity and expected leachate concentrations of the anticipated waste constituents.

BEES 4.0 (Building for Environmental and Economic Sustainability) Exit EPA
A software tool for selecting cost-effective, environmentally preferable building products.

Palate (Pavement Life-Cycle Assessment Tool for Environmental and Economic Effects) Exit EPA
A computer-based decision support tool to model economic costs and environmental effects of using traditional highway materials and recycled materials for highway applications. Audience: Pavement designers and engineers, transportation agency decision-makers, civil engineers, and researchers.

WaRM (Waste Reduction Model)
Created by EPA to help solid waste planners and organizations estimate greenhouse gas (GHG) emission reductions from several different waste management practices. WaRM is available in a web-based calculator format and as a Microsoft Excel© spreadsheet.

Slag Cement and Life Cycle Prediction Models (PDF) (2 pp, 106K) Exit EPA
A life cycle assessment by the Slag Cement Association for concrete with slag cement used as a partial replacement for Portland cement.

Waste and Materials-Flow Benchmark Sector Report: Beneficial Use of Secondary Materials – Coal Combustion Products (PDF) (95 pp, 558K)
EPA funded the development of the benchmark sector report to look at the costs and benefits of recycling coal combustion products. The purpose of this report is to provide an initial assessment of the market dynamics that affect the generation, disposal, recovery, and beneficial use of these materials; and to provide a preliminary life cycle analysis of the beneficial impact of these materials.

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