Screening Level Risk Assessment for the New Waste Calcining Facility

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Description

This screening level risk assessment evaluates potential adverse human health and ecological impacts resulting from continued operations of the calciner at the New Waste Calcining Facility (NWCF) at the Idaho Nuclear Technology and Engineering Center (INTEC), Idaho National Engineering and Environmental Laboratory (INEEL). The assessment was conducted in accordance with the Environmental Protection Agency (EPA) report, Guidance for Performing Screening Level Risk Analyses at Combustion Facilities Burning Hazardous Waste. This screening guidance is intended to give a conservative estimate of the potential risks to determine whether a more refined assessment is warranted. The NWCF uses a fluidized-bed combustor to solidify ... continued below

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Medium: P; Size: 311 pages

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Abbott, M. L.; Keck, K. N.; Schindler, R. E.; VanHorn, R. L.; Hampton, N. L. & Heiser, M. B. May 1, 1999.

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Description

This screening level risk assessment evaluates potential adverse human health and ecological impacts resulting from continued operations of the calciner at the New Waste Calcining Facility (NWCF) at the Idaho Nuclear Technology and Engineering Center (INTEC), Idaho National Engineering and Environmental Laboratory (INEEL). The assessment was conducted in accordance with the Environmental Protection Agency (EPA) report, Guidance for Performing Screening Level Risk Analyses at Combustion Facilities Burning Hazardous Waste. This screening guidance is intended to give a conservative estimate of the potential risks to determine whether a more refined assessment is warranted. The NWCF uses a fluidized-bed combustor to solidify (calcine) liquid radioactive mixed waste from the INTEC Tank Farm facility. Calciner off volatilized metal species, trace organic compounds, and low-levels of radionuclides. Conservative stack emission rates were calculated based on maximum waste solution feed samples, conservative assumptions for off gas partitioning of metals and organics, stack gas sampling for mercury, and conservative measurements of contaminant removal (decontamination factors) in the off gas treatment system. Stack emissions were modeled using the ISC3 air dispersion model to predict maximum particulate and vapor air concentrations and ground deposition rates. Results demonstrate that NWCF emissions calculated from best-available process knowledge would result in maximum onsite and offsite health and ecological impacts that are less then EPA-established criteria for operation of a combustion facility.

Physical Description

Medium: P; Size: 311 pages

Notes

OSTI as DE00006688

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  • Other Information: PBD: 1 May 1999

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  • Report No.: INEEL/EXT-97-00686
  • Grant Number: AC07-94ID13223
  • DOI: 10.2172/6688 | External Link
  • Office of Scientific & Technical Information Report Number: 6688
  • Archival Resource Key: ark:/67531/metadc709307

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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.

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Creation Date

  • May 1, 1999

Added to The UNT Digital Library

  • Sept. 12, 2015, 6:31 a.m.

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  • July 19, 2016, 12:38 p.m.

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Abbott, M. L.; Keck, K. N.; Schindler, R. E.; VanHorn, R. L.; Hampton, N. L. & Heiser, M. B. Screening Level Risk Assessment for the New Waste Calcining Facility, report, May 1, 1999; Idaho Falls, Idaho. (digital.library.unt.edu/ark:/67531/metadc709307/: accessed September 19, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.