Use of a sensitivity study to identify risk assessment modeling data gaps at the Idaho National Engineering Laboratory`s subsurface disposal area

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A common question in the CERCLA remedial investigation (RI) process is, {open_quotes}What are the data gaps that must be filled in order to perform a risk assessment for a given site?{close_quotes} Often a method that can be used to identify and rank data gaps is needed to help allocate scarce remedial investigation funds, and to help prepare for a CERCLA site`s baseline risk assessment (BRA). A CERCLA Remedial Investigation/Feasibility Study (RI/FS) is underway at the Idaho National Engineering Laboratory`s (INEL) Subsurface Disposal Area (SDA). The SDA is a radioactive waste disposal site where transuranic (TRU) waste, mixed waste (MW), and ... continued below

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10 p.

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Burns, D.E. November 1, 1995.

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This article is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by UNT Libraries Government Documents Department to Digital Library, a digital repository hosted by the UNT Libraries. More information about this article can be viewed below.

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  • EG & G, Inc.
    Publisher Info: EG and G Idaho, Inc., Idaho Falls, ID (United States)
    Place of Publication: Idaho Falls, Idaho

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Description

A common question in the CERCLA remedial investigation (RI) process is, {open_quotes}What are the data gaps that must be filled in order to perform a risk assessment for a given site?{close_quotes} Often a method that can be used to identify and rank data gaps is needed to help allocate scarce remedial investigation funds, and to help prepare for a CERCLA site`s baseline risk assessment (BRA). A CERCLA Remedial Investigation/Feasibility Study (RI/FS) is underway at the Idaho National Engineering Laboratory`s (INEL) Subsurface Disposal Area (SDA). The SDA is a radioactive waste disposal site where transuranic (TRU) waste, mixed waste (MW), and low-level waste (LLW) has been buried in pits, trenches, and soil vaults since 1952. The procedures described in this paper have been developed for the identification of risk assessment data gaps at the SDA. In preparation for the SDA RI/FS, three major investigations have been performed over the past two years. The first of these investigations identified all of the waste streams that were buried in the SDA from 1952 through 1983. The second investigation identified all of the SDA waste streams that were buried from 1984 through the present, and made predictions of the waste volumes that will be buried through the year 2003. The third investigation was the Preliminary Scoping Risk Assessment (PSRA) for the SDA. The PSRA was an initial evaluation of the human health risk associated with the SDA`s buried waste, and it was developed with the intent of identifying risk assessment data gaps for the SDA. The following paragraphs give a brief description of the PSRA, and of the sensitivity study within the PSRA that was used to identify data gaps.

Physical Description

10 p.

Notes

INIS; OSTI as DE96004004

Source

  • ER `95: environmental remediation conference: committed to results, Denver, CO (United States), 13-18 Aug 1995

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  • Other: DE96004004
  • Report No.: INEL--95/00256
  • Report No.: CONF-950868--28
  • Grant Number: AC07-94ID13223
  • Office of Scientific & Technical Information Report Number: 123202
  • Archival Resource Key: ark:/67531/metadc619514

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  • November 1, 1995

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  • June 16, 2015, 7:43 a.m.

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  • April 26, 2016, 6:07 p.m.

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Burns, D.E. Use of a sensitivity study to identify risk assessment modeling data gaps at the Idaho National Engineering Laboratory`s subsurface disposal area, article, November 1, 1995; Idaho Falls, Idaho. (digital.library.unt.edu/ark:/67531/metadc619514/: accessed September 19, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.