Dose and risk assessment for intrusion into mixed waste disposal sites

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Description

Sites previously used for disposal of radioactive and hazardous chemical materials have resulted in situations that pose a potential threat to humans from inadvertent intrusion. An example generic scenario analysis was developed to demonstrate the evaluation of potential exposure to either cleanup workers or members of the public who intrude into buried waste containing both radioactive and hazardous chemical contaminants. The example scenarios consist of a collection of exposure routes (or pathways) with specific modeling assumptions for well-drilling and for excavation to construct buildings. These scenarios are used to describe conceptually some potential patterns of activity by non-protected human beings ... continued below

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Pages: (16 p)

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Kennedy, W.E. Jr. & Aaberg, R.L. October 1, 1991.

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Description

Sites previously used for disposal of radioactive and hazardous chemical materials have resulted in situations that pose a potential threat to humans from inadvertent intrusion. An example generic scenario analysis was developed to demonstrate the evaluation of potential exposure to either cleanup workers or members of the public who intrude into buried waste containing both radioactive and hazardous chemical contaminants. The example scenarios consist of a collection of exposure routes (or pathways) with specific modeling assumptions for well-drilling and for excavation to construct buildings. These scenarios are used to describe conceptually some potential patterns of activity by non-protected human beings during intrusion into mixed-waste disposal sites. The dose from exposure to radioactive materials is calculated using the GENII software system and converted to risk by using factors from ICRP Publication 60. The hazard assessment for nonradioactive materials is performed using recent guidelines from the US Environmental Protection Agency (EPA). The example results are in the form of cancer risk for carcinogens and radiation exposure.

Physical Description

Pages: (16 p)

Notes

OSTI; NTIS; INIS; GPO Dep.

Source

  • 30. Hanford symposium on health and the environment: current topics in occupational health, Richland, WA (United States), 29 Oct - 1 Nov 1991

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  • Other: DE92004503
  • Report No.: PNL-SA-20032
  • Report No.: CONF-911043--3
  • Grant Number: AC06-76RL01830
  • Office of Scientific & Technical Information Report Number: 5884262
  • Archival Resource Key: ark:/67531/metadc1099081

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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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  • October 1, 1991

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  • Feb. 18, 2018, 3:59 p.m.

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  • April 20, 2018, 12:28 p.m.

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Kennedy, W.E. Jr. & Aaberg, R.L. Dose and risk assessment for intrusion into mixed waste disposal sites, article, October 1, 1991; Richland, Washington. (digital.library.unt.edu/ark:/67531/metadc1099081/: accessed April 25, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.