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Environmental impact of runoff from highway construction and repair materials : Project overview Huber, Wayne C ; et al

By: Contributor(s): Publication details: Transportation Research Record, 2001Description: nr 1743, s. 1-9Subject(s): Bibl.nr: VTI P8167:1743Location: Abstract: A study was conducted to identify the possible effects of highway construction and repair (C&R) materials on the quality of surface water and groundwater near the highway environment. The scope involved the development of a validated methodology to assess such effects in three phases. Phases 1 and 2 involved a survey of C&R materials, laboratory testing of the chemical and toxicological characteristics of a selected number of these materials, development and validation of a laboratory testing-based screening and evaluation methodology for highway C&R materials, and development of a mathematical model to simulate the fate and transport of water quality constituents, including toxicity, along surface and subsurface pathways in the highway environment. Phase 3 focused on 10 tasks designed to confirm the evaluation methodology, test various hypotheses of the model development, develop additional leaching and sorption data, compare ecotoxicological testing procedures developed during the project with standard Environmental Protection Agency procedures, refine laboratory protocols, enhance the model, and investigate the availability of field data for model testing.
Item type: Reports, conferences, monographs
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Statens väg- och transportforskningsinstitut Available

A study was conducted to identify the possible effects of highway construction and repair (C&R) materials on the quality of surface water and groundwater near the highway environment. The scope involved the development of a validated methodology to assess such effects in three phases. Phases 1 and 2 involved a survey of C&R materials, laboratory testing of the chemical and toxicological characteristics of a selected number of these materials, development and validation of a laboratory testing-based screening and evaluation methodology for highway C&R materials, and development of a mathematical model to simulate the fate and transport of water quality constituents, including toxicity, along surface and subsurface pathways in the highway environment. Phase 3 focused on 10 tasks designed to confirm the evaluation methodology, test various hypotheses of the model development, develop additional leaching and sorption data, compare ecotoxicological testing procedures developed during the project with standard Environmental Protection Agency procedures, refine laboratory protocols, enhance the model, and investigate the availability of field data for model testing.

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