1. NAME AND TITLE
RRR: Radiation Transport in AirAnalysis of Routine Releases of Short-Lived Radioactive
Oak Ridge National Laboratory, Oak Ridge, Tennessee.
3. CODING LANGUAGE AND COMPUTER
FORTRAN IV; IBM 360/91.
4. NATURE OF PROBLEM SOLVED
RRR calculates average annual ground level air concentrations, deposition rates, and ground
concentrations for a decaying chain of radioactive nuclides. Members of this chain are assumed to
have been emitted from a stack under routine nonaccidental operating conditions. Averages are
performed relative to atmospheric stabilities, wind speeds, and wind directions. RRR predicts the
transport of radioactive materials. Results will be annual averages relative to atmospheric
stabilities, wind speeds, and wind directions.
5. METHOD OF SOLUTION
Numeric integration techniques are used.
6. RESTRICTIONS OR LIMITATIONS
7. TYPICAL RUNNING TIME
The sample problem ran in 1.32 minutes on the IBM 360/91 computer.
8. COMPUTER HARDWARE REQUIREMENTS
The code is operable on the IBM 360/370 computers. It uses standard I-O and has 162K region
size in the GO step.
9. COMPUTER SOFTWARE REQUIREMENTS
A FORTRAN IV compiler is required.
M. Reeves, P. G. Fowler, and K. E. Cowser, "A Computer Code for Analyzing Routine
Atmospheric Releases of Short-Lived Radioactive Nuclides," ORNL-TM-3613 (October 1972).
11. CONTENTS OF CODE PACKAGE
Included are the referenced document and one (1.2MB) DOS diskette containing the source
program and sample problem input and output.
12. DATE OF ABSTRACT
KEYWORDS: ENVIRONMENTAL DOSE; AIRBORNE; FISSION PRODUCTS; REACTOR ACCIDENT