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ENVIRONMENTAL IMPACT OF CONSTRUCTION AND REPAIR MATERIALS ON SURFACE AND GROUND WATERS: SUMMARY OF METHODOLOGY, LABORATORY RESULTS, AND MODEL DEVELOPMENT.
| 题名： | ENVIRONMENTAL IMPACT OF CONSTRUCTION AND REPAIR MATERIALS ON SURFACE AND GROUND WATERS: SUMMARY OF METHODOLOGY, LABORATORY RESULTS, AND MODEL DEVELOPMENT. |
| 作者： | Nelson-PO; Huber-WC; Eldin-NN; Williamson-KJ; Azizian-MF; Thayumanavan-P; Quigley-MM; Hesse-ET; Lundy-JR; Frey-KM; Leahy-RB |
| 关键词： | Computer-models; Environmental-impacts; Groundwater-; Highway-maintenance; Laboratory-tests; Leaching-; Materials-; Recycled-materials; Road-construction; Surface-waters; Test-procedures; Toxicity-; Waste-products |
| 摘要： | This report concisely summarizes the research conducted to develop a new testing technology to realistically estimate how conventional, recycled, or waste highway construction and repair materials may affect surface and ground waters in environments surrounding highway rights-of-way. The methodology involves fairly simple, standard aquatic toxicity screening tests that may lead to more detailed laboratory evaluation tests, and a computer model that uses the test results in computing the concentrations and loads of mobile toxicants at the highway site boundary. A knowledge base containing the results of aquatic toxicity and chemistry tests is a part of this methodology; it provides a ready means to compile relevant data and thus avoids unnecessary, duplicative laboratory testing. Therefore, the report will be of particular interest to personnel in state highway agencies, material supply firms, and the highway construction industry responsible for assessing and mitigating the environmental impact of new highway construction and the rehabilitation or repair of existing highways. |
| 总页数： | NCHRP Report. 2001. (448) pp134 (45 Fig., 81 Tab., Refs.) |
| 报告类型： | 科技报告 |
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