CCC-0508 RADTRAN3.

1. NAME OR DESIGNATION OF PROGRAM:  RADTRAN3, RADTRAN4.

3. DESCRIPTION OF PROGRAM OR FUNCTION

RADTRAN3 is a flexible analytical tool for calculating both the incident-free and accident  impacts of transporting radioactive materials. The consequences from incident-free shipments are apportioned among eight population sub-  groups and can be calculated for several transport modes. The radiological accident risk (probability times consequence summed over all postulated accidents) is calculated in terms of early fatalities, early morbidities, latent cancer fatalities, genetic effects, and economic impacts. Groundshine, ingestion, inhalation, direct exposure, resuspension, and cloudshine dose pathways are modeled to calculate the radiological health risks from accidents. Economic impacts are evaluated based on costs for emergency response, cleanup, evacuation, income loss, and land use.
RADTRAN3 can be applied to specific scenario evaluations (individual transport modes or specified combinations), to compare alternative modes or to evaluate generic radioactive material shipments. Unit-risk factors can easily be evaluated to aid in performing generic analyses when several options must be compared with the amount of travel as the only variable.
RADTRAN4 offers advances in the handling of route-related data and in the treatment of multiple-isotope materials.

4. METHOD OF SOLUTION

There are several modes used in the transporting of radioactive material such as trucks, passenger vans, passenger airplanes, rail and others. With these modes of transport  come several shipment scenarios. The RADTRAN4 methodology uses material, transportation, population distribution, and health effects models to treat the incident-free case. To handle the vehicle accident impacts, accident severity and package release, meteorological dispersion, and economic models are also employed.

5. RESTRICTIONS ON THE COMPLEXITY OF THE PROBLEM

There are no apparent limitations due to programming dimensions.

6. TYPICAL RUNNING TIME:

7. UNUSUAL FEATURES OF THE PROGRAM:

8. RELATED AND AUXILIARY PROGRAMS:

10. REFERENCES

- RADTRAN3, NESC No. 9670, RADTRAN3 Input Revisions,
  National Energy Software Center Note 86-18, February 18, 1986.
- John M. Taylor and Sharon L. Daniel,
  RADTRAN II: A Revised Computer Code to Analyze Transportation of
  Radioactive Material,
  SAND80-1943, October 1982.
- John M. Taylor and Sharon L. Daniel,
  RADTRAN: A Computer Code to Analyze Transportation of Radioactive
  Material,
  SAND76-0243, April 1977.

11. MACHINE REQUIREMENTS:

13. OPERATING SYSTEM UNDER WHICH PROGRAM IS EXECUTED:

14. OTHER PROGRAMMING OR OPERATING INFORMATION OR RESTRICTIONS:

15. NAME AND ESTABLISHMENT OF AUTHORS

Contributed by:
                Radiation Shielding Information Center
                Oak Ridge National Laboratory
                Oak Ridge, Tennessee, U. S. A.

Developed by:
                M.M. Madsen, J.M. Taylor, R.M. Ostmeyer
                and P.C. Reardon
                Sandia National Laboratories, Albuquerque