CCC-0452 HADOC.

HADOC, External and Internal Organ Doses from Radiation Release at Hanford

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: HADOC.

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2. COMPUTERS

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Program name	Package id	Status	Status date
HADOC	CCC-0452/01	Tested	13-AUG-1987

Machines used:

Package ID	Orig. computer	Test computer
CCC-0452/01	UNIVAC 1100	CDC CYBER 740

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3. DESCRIPTION OF PROGRAM OR FUNCTION

HADOC (Hanford Acute Dose Calculations) calculates external and inhalation doses resulting from postulated accidental radionuclide releases on the Hanford site. It generates doses to an individual at a specified location and to the population in the region near the Hanford site for specified organs. Doses reported include the maximally exposed individual's dose (by organ and exposure mode) in the sector having the highest population exposure factor. The first year and fifty-year dose commitments are reported. Optional reports giving the fractional contribution to total dose by radionuclide for each organ and dose commitment period for a maximally exposed individual and the population may be printed.

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4. METHOD OF SOLUTION

Atmospheric dispersion is calculated using the Hanford dispersion model with building wake effects and terrain elevation considered as options. For elevated releases, the worst case dispersion conditions may be determined by considering Pasquill dispersion categories A-F. The maximally exposed individual dispersion factor is calculated using the bivariate Gaussian dispersion equation. The population dose is calculated for the sector having the highest population exposure factor as determined by the dispersion factors and the specified population distribution. The decay of the released radionuclide activities is considered during transit from the release point to the location of the maximally exposed individual, MI, and to the center of each population ring. Decay times are based on user supplied avarage wind speeds. A decay chain processor with multiple branching is used to calculate decayed activities.

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5. RESTRICTIONS ON THE COMPLEXITY OF THE PROBLEM

The organs available in the NUCDFL library are total body, kidney, liver, bone, lungs, thyroid, and large lower intestine.

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6. TYPICAL RUNNING TIME:

CCC-0452/01

NEA-DB executed the test case included in this package on a CDC CYBER 740 computer in 7.540 seconds of CPU time.

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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-0452/01	13-AUG-1987	Tested at NEADB

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10. REFERENCES:

CCC-0452/01, included references:

- D.L. Strenge and R.A. Peloquin:
  HADOC - A Computer Code for Calculation of External and Inhalation
  Doses from Acute Radionuclide Releases.
  PNL-3503  (April 1981)

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11. MACHINE REQUIREMENTS:

CCC-0452/01

62400 (octal) words of CDC CYBER 740 main storage are required to run the test case.

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12. PROGRAMMING LANGUAGE(S) USED

Package ID	Computer language
CCC-0452/01	FORTRAN-77

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13. OPERATING SYSTEM UNDER WHICH PROGRAM IS EXECUTED:

CCC-0452/01

NOS2.5.1 (CDC CYBER 740) with compiler FTN 5.1+650.

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14. OTHER PROGRAMMING OR OPERATING INFORMATION OR RESTRICTIONS

The following data libraries are available:
RMDLIB: Radionuclide Master Data Library
NUCDFL: Dose Conversion Factor Data Library.

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15. NAME AND ESTABLISHMENT OF AUTHORS

Developed by:     D.L. Strenge and R.A. Peloquin
                  Pacific Northwest Laboratory
                  Richland, Washington, U. S. A.

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-0452/01

File name	File description	Records
CCC0452_01.001	Information file	63
CCC0452_01.002	HADOC source program (FORTRAN-77)	2866
CCC0452_01.003	HADOC sample problem input data	56
CCC0452_01.004	HADOC sample problem printed output	620
CCC0452_01.005	Radionuclide master data library	288
CCC0452_01.006	Dose conversion factor data library	800

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17. CATEGORIES

G. Radiological Safety, Hazard and Accident Analysis

Keywords: organs, radiation doses, radioactive aerosols, radioactive release.