ASTM E3240-20 污染沉积物场地基于风险的纠正措施的标准指南.pdf

This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards Guides and Remendations issued by the World Trade Organization Technical Barriers to Trade (TBT)Committee. Designation:E3240-20 NTERNATIONAL Standard Guide for Risk-Based Corrective Action for Contaminated Sediment Sites This standard is issued under the fixed designation E3240:the number immediately following the designation indicates the year of original adoption or.in the case of revision.the year of last revision.A number in parentheses indicates the year of last reapproval.A superscript epsilon (e)indicates an editorial change since the last revision or reapproval. INTRODUCTION This guide provides a framework for the development of a Risk-Based Corrective Action (RBCA) process for contaminated sediment sites (Sediment-RBCA)that integrates ecological and human health risk-based decision making into the corrective action process.Sediment-RBCA guide parallels the RBCA frameworks in Guides E2081 and E2205/E2205M with respect to the tiered approach for data gathering evaluation and decision-making and should when possible be conducted concurrent with broader RBCA activities.Sediment-RBCA provides a flexible.technically defensible framework for corrective action that can be applied to a wide range of sites and chemicals of concern.The framework incorporates a tiered tech...