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Evaluation of remedial countermeasures using the analytic network process
M A B Promentilla1, T Furuichi, K Ishii
1Laboratory of Solid Waste Resources Management Engineering, Graduate School of Engineering, Hokkaido University, Kita 13, Nishi 8, Kita-ku, Sapporo 060-8628, Japan. mpromentilla@yahoo.com
Waste Management (New York, N.Y.)
|January 18, 2006
Summary
This study introduces a new evaluation method using the Analytic Network Process (ANP) to help select the best site remediation countermeasures. The approach systematically prioritizes options based on decision-maker input for complex contaminated sites.
Area of Science:
- Environmental Science
- Decision Science
- Risk Management
Background:
- Site remediation planning requires effective methods for prioritizing countermeasures.
- Decision-making in complex environmental projects often involves multiple, interdependent criteria.
Purpose of the Study:
- To present a novel evaluation method for prioritizing and selecting site remediation countermeasures.
- To apply the Analytic Network Process (ANP) for decision support in contaminated site management.
Main Methods:
- Development of a hierarchical network (hiernet) decision structure.
- Application of the Analytic Network Process (ANP) supermatrix approach to evaluate remedial alternatives.
- Analysis of four decision models to assess the impact of dependence and feedback on priority weights.
Main Results:
- The ANP provides a flexible framework for systematic decision-making in complex problems.
- The method effectively measures the relative desirability of remedial alternatives based on expert judgment.
- Illustrative example demonstrates application to uncontrolled landfill remediation.
Conclusions:
- The proposed ANP-based method aids decision-makers in selecting optimal site remediation strategies.
- The approach facilitates understanding of the rationale behind preferred alternatives through weight analysis.
- This systematic evaluation supports informed decision-making in contaminated site management.