NEA-1154 INTRUDE.

INTRUDE, Radiation Risk from Intrusion into Shallow Land Waste Storage Site

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: INTRUDE.

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2. COMPUTERS

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Program name	Package id	Status	Status date
INTRUDE	NEA-1154/01	Tested	30-JAN-1989

Machines used:

Package ID	Orig. computer	Test computer
NEA-1154/01	DEC VAX series	DEC VAX 8810

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3. DESCRIPTION OF PROGRAM OR FUNCTION

INTRUDE is designed to facilitate the estimation of individual risks arising from the possibility of intrusion into shallow land burial facilities for radioactive wastes. It considers a comprehensive inventory of up to  65 long-lived radionuclides and produces risk estimates for up to 20 modes of intrusion and up to 50 times of evaluation. The exposure pathways considered are:
- inhalation of radioactive materials by the intruder;
- external gamma irradiation of the intruder;
- long-term  pathways  esulting from  the  transfer of  radioactive
  materials to the surface of the site.

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4. METHOD OF SOLUTION:

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5. RESTRICTIONS ON THE COMPLEXITY OF THE PROBLEM:

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6. TYPICAL RUNNING TIME

NEA 1154/01: The program included in this package has been run at NEA-DB on a VAX 8810 computer in 3.64 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
NEA-1154/01	30-JAN-1989	Tested at NEADB

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10. REFERENCES:

NEA-1154/01, included references:

- N.J. Nancarrow and M.C. Thorne:
  User's Guide to the Repository Intrusion Risk
  Evaluation Code INTRUDE
  ANS Report No. 595-4  (May 1986)
- N.J. Nancarrow and M.C. Thorne:
  Programmer's Guide to the Repository Intrusion Risk
  Evaluation Code INTRUDE
  ANS Report No. 595-5  (May 1986)
- N.J. Nancarrow and M.C. Thorne:
  Test Documentation to the Repository Intrusion Risk
  Evaluation Code INTRUDE
  ANS Report No. 595-6  (May 1986)

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11. MACHINE REQUIREMENTS:

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12. PROGRAMMING LANGUAGE(S) USED

Package ID	Computer language
NEA-1154/01	FORTRAN-77

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13. OPERATING SYSTEM UNDER WHICH PROGRAM IS EXECUTED:

NEA-1154/01

VAX/VMS V5.0-1.

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14. OTHER PROGRAMMING OR OPERATING INFORMATION OR RESTRICTIONS:

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15. NAME AND ESTABLISHMENT OF AUTHORS

          D.J. Nancarrow and M.C. Thorne
          Associated Nuclear Services
          Epsom, Surrey, KT17 1HB, United Kingdom

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16. MATERIAL AVAILABLE

NEA-1154/01

File name	File description	Records
NEA1154_01.001	Information file	105
NEA1154_01.002	INTRUDE source file	5190
NEA1154_01.003	BIOSTOR source file	102
NEA1154_01.004	Dose factors	65
NEA1154_01.005	Gamma spectra data	168
NEA1154_01.006	Provisional LAND1 inventory	13
NEA1154_01.007	Provisional LAND2 inventory	13
NEA1154_01.008	Nuclide names and decay data	66
NEA1154_01.009	Biosphere dose factors (RA-226 only)	67
NEA1154_01.010	Inventory file (RA-226 only)	13
NEA1154_01.011	Basic data file	59
NEA1154_01.012	Summary output of INTRUDE sample case	557
NEA1154_01.013	Detailed output of INTRUDE sample case	1225

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17. CATEGORIES

R. Environmental and Earth Sciences

Keywords: doses, gamma radiation, geologic strata, inhalation, radioactive waste storage, radionuclide migration, risk assessment.