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Title: Challenges for Deep Vadose Zone Remediation at the Hanford Site

Abstract

The “deep vadose zone” is defined as the region below the practical depth of surface remedy influence (e.g., excavation or barrier). At the Hanford Site, this region of the Central Plateau poses unique challenges for characterization and remediation. The contaminants in this region also pose a potentially significant continuing or future threat to groundwater. Currently, deep vadose zone characterization efforts and remedy selection are spread over multiple waste site Operable Units and tank farm Waste Management Areas. A particular challenge for this effort is the situation in which past leaks from single-shell tanks have become commingled with discharges from nearby liquid disposal sites. The Hanford Site is working with all affected parties, including the Washington State Department of Ecology, the Environmental Protection Agency, DOE-RL, DOE-ORP, and multiple contractor organizations to develop a unified approach to conducting work and reaching remediation decisions. This effort addresses the complex and challenging technical and regulatory issues within this environment. A true inter-Agency effort is evaluating the best strategy or combination of strategies for focusing technical investigations, including treatability studies, and for attaining remedy decisions on the Hanford Site.

Authors:
; ; ;
Publication Date:
Research Org.:
Pacific Northwest National Lab. (PNNL), Richland, WA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
946670
Report Number(s):
PNNL-SA-58497
830403000; TRN: US0900949
DOE Contract Number:  
AC05-76RL01830
Resource Type:
Conference
Resource Relation:
Conference: Waste Management 2008: HLW, TRU, LLW/ILW, Mixed, Hazardous Wastes & Environmental Management, Abstract# 8407
Country of Publication:
United States
Language:
English
Subject:
11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS; 12 MANAGEMENT OF RADIOACTIVE WASTES, AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES; HANFORD RESERVATION; STORAGE FACILITIES; RADIOACTIVE WASTE STORAGE; SITE CHARACTERIZATION; REMEDIAL ACTION; PLANNING; valdose, Central Plateau

Citation Formats

Morse, John G, Charboneau, Briant L, Lober, Robert W, and Triplett, Mark B. Challenges for Deep Vadose Zone Remediation at the Hanford Site. United States: N. p., 2008. Web.
Morse, John G, Charboneau, Briant L, Lober, Robert W, & Triplett, Mark B. Challenges for Deep Vadose Zone Remediation at the Hanford Site. United States.
Morse, John G, Charboneau, Briant L, Lober, Robert W, and Triplett, Mark B. 2008. "Challenges for Deep Vadose Zone Remediation at the Hanford Site". United States.
@article{osti_946670,
title = {Challenges for Deep Vadose Zone Remediation at the Hanford Site},
author = {Morse, John G and Charboneau, Briant L and Lober, Robert W and Triplett, Mark B},
abstractNote = {The “deep vadose zone” is defined as the region below the practical depth of surface remedy influence (e.g., excavation or barrier). At the Hanford Site, this region of the Central Plateau poses unique challenges for characterization and remediation. The contaminants in this region also pose a potentially significant continuing or future threat to groundwater. Currently, deep vadose zone characterization efforts and remedy selection are spread over multiple waste site Operable Units and tank farm Waste Management Areas. A particular challenge for this effort is the situation in which past leaks from single-shell tanks have become commingled with discharges from nearby liquid disposal sites. The Hanford Site is working with all affected parties, including the Washington State Department of Ecology, the Environmental Protection Agency, DOE-RL, DOE-ORP, and multiple contractor organizations to develop a unified approach to conducting work and reaching remediation decisions. This effort addresses the complex and challenging technical and regulatory issues within this environment. A true inter-Agency effort is evaluating the best strategy or combination of strategies for focusing technical investigations, including treatability studies, and for attaining remedy decisions on the Hanford Site.},
doi = {},
url = {https://www.osti.gov/biblio/946670}, journal = {},
number = ,
volume = ,
place = {United States},
year = {2008},
month = {2}
}

Conference:
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