Current Status and Future Perspective on Environmental Safety Management for Secondary Products: Focusing on Evaluation Method and Acceptable Criteria for Secondary Construction Products

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  • Osako Masahiro
    Research Center for Material Cycles and Waste Management, National Institute for Environmental Studies
  • Sakanakura Hirofumi
    Research Center for Material Cycles and Waste Management, National Institute for Environmental Studies

Bibliographic Information

Other Title
  • 再生製品の環境安全管理に関する現状と今後の展望―建設資材系再生製品に関する評価方法と許容基準―
  • サイセイ セイヒン ノ カンキョウ アンゼン カンリ ニ カンスル ゲンジョウ ト コンゴ ノ テンボウ ケンセツ シザイケイ サイセイ セイヒン ニ カンスル ヒョウカ ホウホウ ト キョヨウ キジュン
  • Focusing on Evaluation Methods and Acceptable Criteria for Secondary Construction Products
  • ―建設資材系再生製品に関する評価方法と許容基準―

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Abstract

The current status and future perspective on environmental safety management for secondary construction products/materials are discussed here, with a focus on the methodology associated with not only environmental impact assessment, including leaching testing methods and modeling of leaching/transport behavior of hazardous substances from products in the soil/groundwater environments, but also on how to set up the acceptable criteria/limit value to raise the quality of the environmental safety for utilization.<BR>In addition to an introduction of the European movement for standardization of leaching tests, outlines for various leaching test methods are first described. These are categorized into character-ization tests, compliance tests and on-site verification tests. Through a review of modeling studies for the prediction of environmental impact (especially geo-chemical modeling to simulate leaching test results on of modeling to simulate the transport process in the soil/groundwater environment), an integrated approach coupling the standardized leaching test with the theoretical modeling has been challenged, and a theoretical modeling system called ORCHESTRA has been being realized.<BR>With regard to domestic and international movements on acceptable criteria/limit value itself and the methodology for determing it for secondary products, approaches of Environmental JIS, European Landfill Directive, and EU Construction Product Directive are then introduced for setting up acceptable limits; and also problematic issues have also been pointed out. In this context, evaluations that take into account utilization conditions for the final product, and also integrated approaches to experimental testing and theoretical modeling, could be so important that the CPD scheme, including application of the ORCHESTRA system, should be used as a reference point.<BR>Lastly, appropriate management suggestions are proposed for the environmental safety of the secondary product in terms of a strategies for the standardization of leaching test methods and acceptable criteria with regard to life-cycle management, as well as for individual items such as the content- and pH-limit value.

Journal

  • Waste Management Research

    Waste Management Research 17 (4), 206-233, 2006

    Japan Society of Material Cycles and Waste Management

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