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Title

Guidance for Determining if a Cleanup Action uses Permanent Solutions to the Maximum Extent Practicable using Disproportionate Cost Analysis

DRAFT FOR PUBLIC COMMENT Comment on this draft
 
Publication number Date Published
25-09-059February 2025
VIEW NOW Guidance for Determining if a Cleanup Action uses Permanent Solutions to the Maximum Extent Practicable using Disproportionate Cost Analysis (Number of pages: 77) (Publication Size: 998KB)
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Author(s) Mahbub Alam
Description The Model Toxics Control Act (MTCA) requires Ecology to “give preference to permanent solutions to the maximum extent practicable” (RCW 70A.305.030(1)(b)). Reflecting this statutory mandate, the MTCA rule requires cleanup actions to “use permanent solutions to the maximum extent practicable” (WAC 173-340-360(3)(a)(x)). This document provides Ecology staff and other persons cleaning up contaminated sites guidance on how to conduct such evaluations and make such determinations. To facilitate semi-quantitative evaluations, Ecology has also developed a companion Disproportionate Cost Analysis (DCA) Tool in Microsoft Excel, which is available separately on Ecology’s website. This guidance document describes and provides instructions on how to use the DCA Tool.
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Keywords Model Toxic Control Act, feasibility study, MTCA, contaminated site, DCA Tool, Disproportionate Cost Analysis, Permanent to the maximum extent practicable (PMEP), PMEP
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