Screening and comparison of remedial alternatives for the South Field and flyash piles at the Fernald site

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The South Field, the Inactive Flyash Pile, and the Active Flyash Pile are in close proximity to each other and are part of Operable Unit 2 (OU2) at the Fernald Environmental Management Project (FEMP). The baseline risk assessment indicated that the exposure pathways which pose the most significant risk are external radiation from radionuclides in surface soils and use of uranium contaminated groundwater. This paper presents screening and comparison of various remedial alternatives considered to mitigate risks from the groundwater pathway. Eight remedial alternatives were developed which consisted of consolidation and capping, excavation and off-site disposal with or without treatment, ... continued below

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20 p.

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Bumb, A.C.; Jones, G.N. & Warner, R.D. May 1, 1996.

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  • Bumb, A.C. Fluor Daniel Inc., Greenville, SC (United States)
  • Jones, G.N. Fernald Environmental Restoration Management Corp., Cincinnati, OH (United States). Fernald Environmental Management Project
  • Warner, R.D. Dept. of Energy, Fernald, OH (United States)

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Description

The South Field, the Inactive Flyash Pile, and the Active Flyash Pile are in close proximity to each other and are part of Operable Unit 2 (OU2) at the Fernald Environmental Management Project (FEMP). The baseline risk assessment indicated that the exposure pathways which pose the most significant risk are external radiation from radionuclides in surface soils and use of uranium contaminated groundwater. This paper presents screening and comparison of various remedial alternatives considered to mitigate risks from the groundwater pathway. Eight remedial alternatives were developed which consisted of consolidation and capping, excavation and off-site disposal with or without treatment, excavation and on-site disposal with or without treatment and combinations of these. Risk-based source (soil) preliminary remediation levels (PRLs) and waste acceptance criteria (WACs) were developed for consolidation and capping, excavation, and on-site disposal cell. The PRLs and WACs were developed using an integrated modeling tool consisting of an infiltration model, a surface water model, a vadose zone model, and a three-dimensional contaminant migration model in saturated media. The PRLs and WACs were then used to determine need for soil treatment, determine excavation volumes, and screen remedial alternatives. The selected remedial alternative consisted of excavation and on-site disposal with off-site disposal of the fraction exceeding the WAC.

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20 p.

Notes

INIS; OSTI as DE97001209

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  • 10. outdoor action conference, Las Vegas, NV (United States), May 1996

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  • Other: DE97001209
  • Report No.: FEMP--2510
  • Report No.: CONF-9605242--1
  • Grant Number: AC24-92OR21972
  • Office of Scientific & Technical Information Report Number: 414351
  • Archival Resource Key: ark:/67531/metadc684465

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • May 1, 1996

Added to The UNT Digital Library

  • July 25, 2015, 2:20 a.m.

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  • June 13, 2016, 8:53 p.m.

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Bumb, A.C.; Jones, G.N. & Warner, R.D. Screening and comparison of remedial alternatives for the South Field and flyash piles at the Fernald site, article, May 1, 1996; United States. (digital.library.unt.edu/ark:/67531/metadc684465/: accessed December 13, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.