创新的长期监测策略支持监管合规、最终状态修复以及美国能源部复杂地下水污染羽流的关闭.pdf

1、Managed and operated by Battelle Savannah River Alliance,LLC for the U.S.Department of Energy.Innovative Long Term Monitoring Strategy Supporting Regulatory Compliance,End-State Remediation,and Closure of DOEs Complex Groundwater PlumesCarol Eddy-Dilek and Tom Danielson,SRNL;and Haruko Wainwright,MI

2、T/LBNLJune 12,2025SRNL-STI-2025-00308ALTEMIS-Advanced Long-Term Monitoring of Environmental of DOEs Legacy Sites Remediation of DOE EMs remaining complex plumes will take decades GAO estimates that EMs liability for environmental cleanup across the country will exceed$550 billion Long term monitorin

3、g after sites have been cleaned up is a large component of that liability DOE-EM Technology Office is sponsoring SRNL-led program since 2020 Multi-lab and multi-agency team:SRNL,SRS-ACP,LBNL,PNNL,UC Berkeley,FIU/CRESP/MSIPPALTEMIS-Advanced Long-Term Environmental Monitoring Systems2Groundwater Plume

4、s:Evolving Complex Geochemical Systems Groundwater plumes can be considered as complex geochemical systems Monitoring of DOEs plumes has been ongoing for 30+years As plume evolves to background levels,what changes can be anticipated Will changes in groundwater levels impact migration of the plume?Wh

5、ere will residual contaminants that are attenuated be located?Will attenuated contaminants be released at significant levels as the plume chemistry evolves?Will degradation of physical barriers cause a remobilization of previously attenuated contaminants?Other changes that deviate from baseline conc

6、eptual model Altemis F-area Testbed Remedial History4 Phased Remedial Strategy Source Zone Isolation,Active Remediation,Enhanced Attenuation Enhanced attenuation strategies have improved remediation of low concentration plumes but have created the potential for creation of secondary source terms(e.g