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Dose Reconstruction for the Fernald Facility A Review of Task 4 (1994) / Chapter Skim
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IV. CONCLUSIONS AND RECOMMENDATIONS
Pages 28-31

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From page 28...
... Although FMPC no longer produces uranium metal, the site continues to store radioactive materials that were used at Fernald and other DOE sites. There are also four silos, large concrete underground storage tanks in a waste disposal area, that are a source of 222Rn.
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From page 29...
... The model tends to overestimate observed concentrations in air, primarily because of assumptions about the removal of large particles by deposition. Uncertainties in meteorologic data, the source term, and air measurements themselves also pose problems, but the overall results of the comparison are a reasonable validation of the model predictions.
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From page 30...
... A consistent procedure should be outlined for propagating uncertainties and, in particular, for taking into account the substantial systematic errors in much of the early sampling and analytic data. There is also appreciable uncertainty associated with early episodic releases, and it will be important to conduct a sensitivity analysis to eliminate minor, but highly uncertain, contributions to the total dose.
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From page 31...
... To facilitate the public understanding of the implications of the dose reconstruction, it would be helpful if the final dose estimates for the surrounding population were evaluated in terms of the increases over background radiation levels. Such perspective should be included in the final summary for this project.
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Key Terms

  • episodic releases
  • cincinnati data
  • fmpc releases
  • assessment domain
  • major episodic

  • release rate
  • total dose
  • releases considered
  • radioactive progeny
  • monte carlo

  • considered include
  • propagating uncertainties
  • coarse particles
  • modeling processes
  • fundamental building

  • population size
  • meteorologic data
  • uranium particles
  • air measurements
  • demographic modeling

  • final dose
  • background radiation
  • storage tanks
  • surrounding population
  • summary followed

  • endpoint objectives
  • releases remains
  • sensitivity analysis
  • uranium metal
  • sampling method


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