1. NAME AND TITLE
GASPAR: Calculates Radiation Exposure to Man from Routine Air Releases of Nuclear Reactor Effluents.
XOQDOQ2: Creates alternate meteorological data file.
The IBM (A) version of this code package contains the GASPAR source. The VAX (B) version has been designated GASPAR II. While no changes were made in the mathematical models of GASPAR, some parameter values and dose factors were updated. GASPAR II reads dose rate conversion factors from the same data file as that used in CCC-363/LADTAP II, which contains data for data for 169 radionuclides. A summary of the changes are included in Appendix C of NUREG/CR-4653.
Office of Nuclear Reactor Regulation, U. S. Nuclear Regulatory Commission, Washington, D.C. and Pacific Northwest Laboratory, Richland, Washington.
3. CODING LANGUAGE AND COMPUTER
Fortran IV, IBM 3033 (C00463I303301); Fortran 77, VAX (C00463D078000).
4. NATURE OF PROBLEM SOLVED.
GASPAR implements the air release dose models of the NRC Regulatory Guide 1.109 for noble gases (semi-infinite plume only) and the radioiodine and particulate emissions. GASPAR computes both population (ALARA-As Low As Reasonably Achievable and NEPA-National Environmental Policy Act) and individual doses. Site data, meteorological data, radionuclide release source terms, and location meteorological data for selected individuals are specified as input data. The site data includes population data and milk, meat, and vegetation production. The meteorological data includes dispersion X/Q, X/Q decayed, X/Q decayed and depleted, and deposition. Population doses, individual doses, and cost benefit tables are calculated.
5. METHOD OF SOLUTION
There are two basic types of calculations, the population dose calculation and the individual dose calculation; however, both may be combined in a single GASPAR execution. There are usually several source terms corresponding to several release points. As the dose is computed for each source term it is accumulated so that the dose printed for the first source term is the actual dose for that term. For all subsequent source terms the dose printed is the accumulated dose with the dose printed for the last source term, the grand total for the problem. For the cost benefit table, individual source term doses are generated. Seven pathways by which the nuclides travel to man are considered. These are plume, ground, inhalation, vegetation, cows' milk, goats' milk, and meat. For the individual dose calculations, man is subdivided into the four age groups of infant (0 to 1 year), child (1-11 years), teenager (12-18 years), and adult (over 18 years). Each of these calculations take into account eight body organs - T. body, G.I. track, bone, liver, kidney, thyroid, lung, and skin.
6. RESTRICTIONS OR LIMITATIONS
7. TYPICAL RUNNING TIME
Each of the four sample problems required less than one second to execute, using the OS/VS2 operating system on the IBM 3033. On the VAX 6000 the sample problems ran almost instantly.
8. COMPUTER HARDWARE REQUIREMENTS
The storage requirement is 366 K and 260 K to execute sample problems on the IBM 3033. The VAX version was tested on a VAX 6000.
9. COMPUTER SOFTWARE REQUIREMENTS
A Fortran IV compiler is required for the IBM version. RSIC used the VAX VMS Fortran compiler (version 5.4) on the VAX 6000 to execute the sample cases.
K. F. Eckerman, F. J. Congel, A. K. Roecklein, W. J. Pasciak, "User's Guide to GASPAR Code," NUREG-0597 (June 1980).
D. L. Strenge, T. J. Bander and J. K. Soldat, "GASPAR II Technical Reference and User Guide," NUREG/CR-4653, PNL-5907 (March 1987).
D. M. Hamby, "Verification of the GASPAR Dose Assessment Module Used in MAXIGASP and POPGASP," WSRC-RP-92-418 (December 31, 1992).
11. CONTENTS OF CODE PACKAGE
Included are the referenced documents and one (1.44MB) DOS diskette which contains the source code, sample input and output in a self-extracting compressed DOS file.
12. DATE OF ABSTRACT
October 1984; revised January 1989 and September 1990, January 1991, November 1999.