Computer Programs

CCC-0536 DOSFACTER-DOE.

CCC-0536 DOSFACTER-DOE.

DOSFACTER-DOE, Dose Rate Conversion Factors for Photon and Electron Exposure

NAME OR DESIGNATION OF PROGRAM, COMPUTER, DESCRIPTION OF PROGRAM OR FUNCTION, METHOD OF SOLUTION, RESTRICTIONS ON THE COMPLEXITY OF THE PROBLEM, TYPICAL RUNNING TIME, UNUSUAL FEATURES OF THE PROGRAM, RELATED AND AUXILIARY PROGRAMS, STATUS, REFERENCES, MACHINE REQUIREMENTS, LANGUAGE, OPERATING SYSTEM UNDER WHICH PROGRAM IS EXECUTED, OTHER PROGRAMMING OR OPERATING INFORMATION OR RESTRICTIONS, NAME AND ESTABLISHMENT OF AUTHORS, MATERIAL, CATEGORIES

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1. NAME OR DESIGNATION OF PROGRAM: DOSFACTER-DOE.

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2. COMPUTERS

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Program name	Package id	Status	Status date
DOSFACTER-DOE	CCC-0536/01	Tested	17-DEC-1993

Machines used:

Package ID	Orig. computer	Test computer
CCC-0536/01	IBM 3033	DEC VAX 6000

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3. DESCRIPTION OF PROGRAM OR FUNCTION

DOSFACTER-DOE is a revision of the DOSFACTER-II code. It estimates dose-rate conversion factors for exposure to photons and electrons emitted by radionuclides dispersed in the environment. The exposure modes considered are immersion in contaminated air, immersion in contaminated water, and irradiation at a height of 1 m above a contaminated ground surface. The source region for each exposure mode is assumed to be effectively infinite or semi-infinite in extent with a uniform radionuclide concentration throughout the source region. The dose-rate factors are computed for a dose to 23 body organs and for an effective dose.
The present code differs from DOSFACTER-II as follows: no body surface factors, "total body" factors replaced by "effective" (weighted) factors, electron dose factors for the skin calculated for several depths, and output format. Non-SI units are used.

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4. METHOD OF SOLUTION

For air and water immersion, the body-surface dose-rate factors were based on the conservation of energy requirement that all of the emitted energy is absorbed in the infinite medium. For ground-surface exposure, the body-surface dose-rate factors were calculated at a point 1 m above the ground using a point-kernel integration method and known specific absorbed fractions for photons and electrons in air. For photons only, the dose-rate factors for 23 body organs were calculated for each exposure mode using the organ dose-rate factors for immersion estimated by Eckerman et al.
The radioactive decay data are taken from the data library DLC-80/DRALIST which is available from RSIC.

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5. RESTRICTIONS ON THE COMPLEXITY OF THE PROBLEM

The code is known to compile correctly only with a FORTRAN IV compiler.

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6. TYPICAL RUNNING TIME

Running time varies with the number of nuclides treated. The sample problem (9 nuclides) executed in 14 seconds on the IBM 3033 computer.

CCC-0536/01

NEA-DB executed the test case included in this package on a DEC VAX 6000-510 computer in 5 seconds of CPU times.

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7. UNUSUAL FEATURES OF THE PROGRAM:

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8. RELATED AND AUXILIARY PROGRAMS:

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9. STATUS

Package ID	Status date	Status
CCC-0536/01	17-DEC-1993	Tested at NEADB

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10. REFERENCES:

CCC-0536/01, included references:

- D.C. Kocher and K.F. Eckerman:
External Dose Rate-Conversion Factors for Calculations of Dose to the Public.
DOE/EH-0070 (July 1988)
- D.C. Kocher:
Description of the Input Data File Format of DOSFACTER-DOE (April 1980).

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11. MACHINE REQUIREMENTS: DOSEFACTER-DOE is operable on the IBM 3033 computers.

CCC-0536/01

The test case included in this package was executed by NEA-DB on a DEC VAX 6000-510 computer.

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12. PROGRAMMING LANGUAGE(S) USED

Package ID	Computer language
CCC-0536/01	FORTRAN-IV

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13. OPERATING SYSTEM UNDER WHICH PROGRAM IS EXECUTED: A FORTRAN H
compiler is required for input.

CCC-0536/01

VMS 5.5-2 (DEC VAX 6000).

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14. OTHER PROGRAMMING OR OPERATING INFORMATION OR RESTRICTIONS:

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15. NAME AND ESTABLISHMENT OF AUTHORS

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

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16. MATERIAL AVAILABLE

CCC-0536/01

File name	File description	Records
CCC0536_01.001	DOSFACTER Information File	123
CCC0536_01.002	DOSFACTER Source code	2565
CCC0536_01.003	DOSFACTER Job Control for Installation	42
CCC0536_01.004	DOSFACTER Input Test Data File	74
CCC0536_01.005	DOSFACTER Output Data File (unit # 7)	153
CCC0536_01.006	DOSFACTER Output Data File (unit # 10)	15
CCC0536_01.007	DOSFACTER Output Data File (unit # 11)	12
CCC0536_01.008	DOSFACTER Output Data File (unit # 12)	8
CCC0536_01.009	DOSFACTER Output Data File (unit # 13)	7
CCC0536_01.010	DOSFACTER Output Data File (unit # 14)	17
CCC0536_01.011	DOSFACTER Output Data File (unit # 15)	17
CCC0536_01.012	DOSFACTER Output Data File (unit # 16)	16
CCC0536_01.013	DOSFACTER Output Data File (unit # 17)	16
CCC0536_01.014	DOSFACTER Output Data File (unit # 18)	15
CCC0536_01.015	DOSFACTER Output Data File (unit # 19)	15
CCC0536_01.016	DOSFACTER Output Data File (unit # 20)	17
CCC0536_01.017	DOSFACTER Output Data File (unit # 21)	16
CCC0536_01.018	DOSFACTER Output Data File (unit # 22)	16
CCC0536_01.019	DOSFACTER Output Data File (unit # 23)	15
CCC0536_01.020	DOSFACTER Output Data File (unit # 24)	15
CCC0536_01.021	DOSFACTER Output Data File (unit # 25)	17
CCC0536_01.022	DOSFACTER Output Data File (unit # 26)	16
CCC0536_01.023	DOSFACTER Output Data File (unit # 27)	16
CCC0536_01.024	DOSFACTER Output Data File (unit # 28)	15
CCC0536_01.025	DOSFACTER Output Data File (unit # 29)	15
CCC0536_01.026	DOSFACTER Output Data File (unit # 30)	16

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17. CATEGORIES

G. Radiological Safety, Hazard and Accident Analysis

Keywords: dose rates, electrons, gamma radiation, radiation doses.