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| Research article summary (published 30 Dec 2001): |
Setting information priorities for remediation decisions at a contaminated-groundwater site.
Full Abstract
Many sites of contamination due to inappropriate disposal of hazardous materials or wastes have been found. These sites have the potential of damaging the environment and human health and thus need to be evaluated as to whether and what actions should be initiated. In the decision on whether a contaminated site should be subject to management, the knowledge concerning important parameters that would influence the decision will be beneficial to planning of data collection to support the decision. This paper presents a case study of contaminated site located in northern Taiwan, where the groundwater is contaminated by chlorinated hydrocarbons including trichloroethylene (TCE) and tetrachloroethylene (PCE). A site-specific multimedia risk assessment is performed to estimate the total risk resulting from the contamination. In addition, Monte Carlo simulation, rank correlation coefficients, and decision criteria are combined to develop a methodology for assessing the important of parameters in terms of their influence on the decision. It is found that TCE concentration, vegetable yield, deposition interception fraction of vegetables, and plant surface loss constant, are the four parameters important to the decision-making of the case problem.
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Author information
Author/s: Ma, Hwong-wen (HW); Wu, Kuen-Yuh (KY); Ton, Chung-Da (CD);
Affiliation: Graduate Institute of Environmental Engineering, National Taiwan University, Taipei, ROC. hwma@ccms.ntu.edu.tw
Journal and publication information
Publication Type: Journal Article; Research Support, Non-U.S. Gov't
Journal: Chemosphere (Chemosphere), published in England. (Language: eng)
Reference: 2002-Jan; vol 46 (issue 1) : pp 75-81
Dates: Created 2002/01/24; Completed 2002/05/10; Revised 2006/11/15;
PMID: 11806535, status: MEDLINE (last retrieval date: 11/6/2008)
Sourced from the National Library of Medicine. Abstract text and other information may be subject to copyright.
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