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首页> 外文会议>Annual Contaminated Soils Conference; 200110; Amherst,MA; US >Application of Sediment Toxicity Tests in Site Assessment and Site Management
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Application of Sediment Toxicity Tests in Site Assessment and Site Management

机译：泥沙毒性试验在场地评估和场地管理中的应用

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摘要

Sediment toxicity tests have become an integral component of environmental assessments. Toxicity and bioaccumulation testing is a feature of many regulatory programs in the U.S. (e.g., CWA, FIFRA, TSCA, CERCLA/SARA, RCRA, MPRSA). Numerous sediment bioassays have been developed for a variety of purposes. Most of these bioassays have been designed to assess the toxicity and/or bioaccumulation potential of sediments to make regulatory-based decisions (e.g., identifying acceptable disposal alternatives for dredged material). Since sediments serve as the ultimate repository for many environmental contaminants, the use of sediment bioassay as a tool in site assessment and site remediation/management activities logically follows. However, these bioassays should not be applied without proper consideration of the strengths and weaknesses of the individual procedures, particularly in the context of the questions to be addressed. This paper provides an overview of the general types sediment toxicity testing procedures currently available. Procedures to be discussed will range from standard bedded sediment and elutriate tests to more specialized techniques such as the sediment water interface test. A discussion of the strengths and weaknesses of individual procedures in context of the potential application to site assessment, remediation/management, and post-remediation/ management monitoring is also included.
机译：沉积物毒性测试已成为环境评估的组成部分。毒性和生物蓄积性测试是美国许多法规计划的一项功能（例如CWA，FIFRA，TSCA，CERCLA / SARA，RCRA，MPRSA）。已经开发出多种用于各种目的的沉积物生物测定法。这些生物测定法中的大多数都旨在评估沉积物的毒性和/或生物蓄积潜力，以制定基于法规的决策（例如，确定挖泥物的可接受处置替代品）。由于沉积物是许多环境污染物的最终储存库，因此从逻辑上讲，将沉积物生物测定法用作现场评估和现场修复/管理活动的一种工具。但是，在未适当考虑各个程序的优缺点的情况下，尤其是在要解决的问题中，不应进行这些生物测定。本文概述了目前可用的一般类型的沉积物毒性测试程序。讨论的程序范围从标准的层状沉积物和水质测试到更专业的技术，例如沉积物水界面测试。还讨论了在可能应用于现场评估，修复/管理以及修复后/管理监控的潜在应用中各个程序的优缺点。

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