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AD-A257 470 0 Defense Nuclear Agency Alexandria, VA 22310-3398 DNA-TR-92-34 DELFIC Fallout Prediction Code Radiation Physics Package Upgrade DTIC ELECTE James A. Roberts, st al. 0 NOV4 1992D Science Applications International Corporation 10260 Campus Point Drive S San Diego, CA 92121 C October 1992 Technical Report CONTRACT No. DNA 001-88-C-0197 Approved for public releas; distribution Is unlimited. 92-28816 lM2 A

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Page 1: DELFIC Fallout Prediction Code Radiation Physics DTIC

AD-A257 470 0Defense Nuclear Agency

Alexandria, VA 22310-3398

DNA-TR-92-34

DELFIC Fallout Prediction Code Radiation PhysicsPackage Upgrade

DTICELECTE

James A. Roberts, st al. 0 NOV4 1992DScience Applications International Corporation10260 Campus Point Drive SSan Diego, CA 92121 C

October 1992

Technical Report

CONTRACT No. DNA 001-88-C-0197

Approved for public releas;distribution Is unlimited.

92-28816

lM2 A

Page 2: DELFIC Fallout Prediction Code Radiation Physics DTIC

Destroy this report when it is no longer neoded. Do notreturn to sender.

PLEASE NOTIFY THE DEFENSE NUCLEAR AGENCY,ATTN: CSTI, 6801 TELEGRAPH ROAD, ALEXANDRIA, VA22310-3398, IF YOUR ADDRESS IS INCORRECT, IF YOUWISH IT DELETED FROM THE DISTRIBUTION LIST, ORIF THE ADDRESSEE IS NO LONGER EMPLOYED BY YOURORGANIZATION.

".4

O•4.

Page 3: DELFIC Fallout Prediction Code Radiation Physics DTIC

REPORT DOCUMENTATION PAGE ' Fo7rmApovedI Omit NO O704-O088

fothVW an ffi6{q1,I•411A,A, the date nede A~lr eO•qdrol- 0n4~me SM €reivli• Wa 940 0 40msitof Send ceowteqt reestlkns thm bwff 90ý141 or~ 0.4 ofte, 61SWI of Ih..

- 11 no Wolmelon. •WKIIWOW4 to,• ns em t t edweet Cho bwor . to Washowe Weaevle"O'te4 W-t owectoert e nfoef"0 k! w elS•O ,tet Wt Ret~to 121S J~fOrtw.•04sWfeo',e Sm~v l e, Sd 12;04 Anwqton. VA 22202 4X)2. a~ndtthe olfce of kmonet noffelnd 6~4,. P~orwo, ei-lk 01o nonhopm1•?04-01I8& Weshe*10". OC WW0 3

6. AUHS TA - R

1. AGENCY USE ONLY Deave blank) 2. REPORT DATE 3. REPORT TYPE AND DATES COVERED

an921001 TechnicJl 880726 - 9203134. TITLE AND SUBTITLE .B FUNODING NUMBERSG A

DELFIC Fallout Prediction Code Radiation Physics C - DNA 001-88-C-0197Package Upgrade PF - 62715HPR - RM

6.AUTHOR(S) TA - RHJames A. Roberts , Dean C. Kaul , Farhad Dolatshahi NU - DH049560

and Joseph T. McGahan7. PERFORMING ORGANIZATION NAME(S) AND ADDRESSMES)' B. PERFORMING ORGANIZATION

Science Applications International CorporationREOTNMR

10260 Campus Point Drive SAIC-92/1045San Diego, CA 92121

9. SPONSORING/MONITORING AGENCY NAME(S) AND ADDRESS4ES) 10. SPONSOR!NG/MONITORING

Defense Nuclear Agency AGENCY REPORT NUMBER

6801 Telegraph Road DNA-TR-92-34Alexandria, VA 22310-3398RARP/Kehl et

11. SUPPLEMENTARY NOTES

This work was sponsored by the Defense Nuclear Agency under RDT&E RMC CodeB4662D RM RH 00070 RARP 3500A 25904D.

12s. DISTRIBUTION/AVAILABIUITY STATEMENT 12b. DISTRIBUTION CODE

Approved for public release; distribution is unlimited.

13. ABSTRACT (Maximum 200 wordaJ

The DEfense Land Fallout Interpretive Code (DELFIC) is the DefenseNuclear Agency standard phenomenology code for computing falloutenvironments from nuclear weapons detonations. This report describesthe results of a program to update the DELFIC radiation physicspackage, that portion of the code which calculates the radioactivedecay of initial fission product inventories and their contributionto radiation exposure rate. Updates include corrections to errorsin following multi-path decay chains, the inclusion of ENDF/B-6decay constant data and the expansion of the number of radionuclideswhich contribute to direct exposure to irradiation from surfacecontamination.

14 SUBJECT TERMS 1I. NUMBER OF PAGES64Fallout Radiation 16. PRICE CODE

Computer Codes Fission Products17. SECURITm CLASSIFICATION IS SECURITY CLASSIFICATION 19. SECURITY CLASSIFICATION 20. LIMITATION OF

OF REPOR' OF THIS PAGE OF ABSTRACT ABSTRACT

UNCLASSIFIED UNCLASSIFIED UNCLASSIFIED SAR

NSN 7540.01 .2•1.55•0 j Standard Form 298 (Rev 2-89)PNu dW O, ANiSuI So 1)2 1112t8-10|

Page 4: DELFIC Fallout Prediction Code Radiation Physics DTIC

UNCLASSIFIEDMEURRlY ClASS PIA~lO or. THis WAGE

CLASSIFIED BY:

N/A since Unclassified

DECLASSIFY ON.N/A since Unclassified

SECUNrrV CLASSIF ONOF THIS P

UNCLASSIFIED

Page 5: DELFIC Fallout Prediction Code Radiation Physics DTIC

CONVERSION TABLE

Conversion Factors for U.S. Customary to Metric (SI) Units of MeasurementMULTIPLY BY v TO GET

TO GET • BY 4 DIVIDE

angstrom 1.000 000 X E-10 meters (m)atmosphere (normal) 1.013 25 X E +2 kilo pascal (kPa)bar 1.000 000 X E +2 kilo pascal (kPa)barn 1.000 000 X E -28 meter 2 (m2 )British thermal unit (thermochemical) 1.054 350 X E +3 joule (J)calorie (thermochemical) 4.184 000 joule (J)cal (themiochemical)/cm 2 4.184 000 X E -2 mega joule/m2 (MJ/m2 )curie 3.700 000 X E +1 giga becquerel (GBq)"degree (angle) 1.745 329 X E -2 radian (red)degree Fahrenheit Ik - (t0f+459.67)/1.8 degree kelvin (K)electron voft 1.602 19 X E -19 joule (J)erg 1.0o0 000 X E -7 joule (J)erg/second 1.000 000 X E -7 watt 'W)foot 3.048 000 X E -1 meter (m)foot-pound-force 1.355 8818 joule (,)gallon (U.S. liquid) 3.785 412 X E -3 meter (mi3 )inch 2.540 000 X E -2 meter (m)jerk 1.000 000 X E +9 joule (J)joule/ldlogram (Jtkg) (radiation dose absorbed) 1.000 000 Gray (Gy)kilotons 4.183 terajouleskip (1000 ibf) 4.448 222 X E +3 newton (N)kip/lnch2 (ksi) 6.894 757 X E +3 kilo pascal (kPa)ktap 1.000 000 X E +2 newton-second'm 2 (N-s/m 2 )micron 1.000 000 X E -6 meter (m)mil 2.540 000 X E -S meter (m)mile (Inteonational) 1.609 344 X E +3 meter (m)ounce 2.834 952 X E -2 kilogram (kg)pound-force (ibs avoirdupois) 4.448 222 newton (N)pound-force inch 1.129 848 X E -1 newton-meter (N - m)pound-force/Inch 1.751 268 X E +2 newton/meter (N/m)pound-force/loot 2 4.788 026 X E -2 kilo pascal (kPa)pound-force/inch 2 (psi) 6.894 757 kilo pascal (kPa)pound-mass (Ibm avoirdupois) 4.535 924 X E -1 kilogram (kg)pound-mass-foot 2 (moment of inertia) 4.214 011 X E -2 kilogram-meter 2 (kg - in2 )pound-mass-foot 3 1.601 846 X E +1 kilogranvmeter 3 (kg/r 3 )rad (radiation dose absorbed) 1.000 000 X E -2 Gray (Gy)'"roentgen 2.579 760 X E -4 coulomb/kilogram (C/kg)shake 1.000 000 X E -8 second(s)slug 1.459 390 X E +1 kilogram (kg)torr (mmHg, DOC) 1.333 22 X E -1 kilo pascal (kPa)

• The becquerel (Bq) is the SI unit of radioactivity; 1 Bq - I event/s."The Gray (Gy) is the SI unit of absorbed radiation.

ii iii

Page 6: DELFIC Fallout Prediction Code Radiation Physics DTIC

TABLE OF CONTETS

Section Page

OONFlRa ON T. IN . . . . . . . . . . . . . . . . . . iiiIIGU.38..............................*..***... v

TABLES . . . . . . . . .. . . ................ ..... vi

I INTRODUCTION . . . . . . . . . . . . . . . . .. 1

2 DECAY CZAIN LOGIC UPGRADN ............... 2

2.1 €IOONSNrRTAON OF INVEINTORY IN A SINGLZ,,BR.NCRING CRAIN .......... ................... . 2

2.2 CONSERVATION OF INVENTORY IN NULTIPLE,BRANCNING CHAINS . . . . . . * . . . . . . . . . . 5

2.3 ALTERNATIVE DECRY MODES. ..... ........... . . . 8

3 DATA sAun UPGRADE . .. . . ................ 9

3.1 RADIOACTIVE DEUAY CONSTAiNTS . . . . . . . . .... 93.2 EIPOBURE RATE MULTIPLIRS. ..... ............. 10

4 TE IMPACT OF DBLIC UPGRADE . .............. ........ 22

4.1 ACTIVITY . . . . . . . . . . . . . ................... 224.2 EXBPOSURE RATE .............. . ... ................. 22

S REFERENCES . ............ . .. . . . . .. . . .................... 26

Appendices

A DECAY CONSTANTS AND ERX'B ......... ............... .. 272 FISSION PRODUCT8 NOT IN DLFIC. . . . ........... 47

iv

Page 7: DELFIC Fallout Prediction Code Radiation Physics DTIC

FvGUnaS

Figure Page

2-1 DELFIC decay chain for mass number 83 withthree branches. . . . . . . . . . . . . . . . . . . .. 3

2-2 Coupled chains sharing branches. . . ............ 6

3-1 Exposure rate multiplier (ERI) data base. . . . . . . . 21

4-1 DELFIC original and updated exposure ratesfor U238 thermonuclear fission. . . . . . . . . . . .. 23

DTIC QUALTMT INCI'ECT7ED 8

Aoe..slo For

NTIS UUIAW?1C ?AB3 0Unwnaoigmead 0J145%f 1ation-

Dist ribution/

AvAllabllity Codes

V -Avail- end/orDist i •Scial

Page 8: DELFIC Fallout Prediction Code Radiation Physics DTIC

TADL2S

Table Page

2-1 Original DELFIC inventory partitions for subsets ofdecay chain, mass number 83.. .. ... . . . .... . 4

2-2 Upgrade DELFIC inventory partitions for subsets ofdecay chain, mass number 83. . . . . . . . . . . . . 4

2-3 Comparison of original and update DELFIC activitycalculation for chain of mass number 83. . . . . . . 5

2-4 Comparison of original and update DELFIC activitycalculation for coupled chains, mass number 89 and 90. 7

3-1 Original DELFIC, U235 fast fission at 1 hr, 32most important isotopes for surface exposure ........ .. 12

3-2 Upgrade DELFIC, U235 fast fission at 1 hr, 32most important isotopes for surface exposure. . . . 13

3-3 Original DELFIC, U238 fast fission at 1 hr, 32most important isotopes for surface exposure ........ .. 14

3-4 Upgrade DELFIC, U238 fast fission at 1 hr, 32most important isotopes for surface exposure ........ .. 15

3-5 Original DELFIC, Pu239 fast fission at I hr, 32most important isotopes for surface exposure.. ..... 16

3-6 Upgrade DELFIC, Pu239 fast fission at 1 hr, 32most important isotopes for surface exposure .... 17

3-7 Original DELFIC, U238 thermonuclear fission at 1 hr,32 most important isotopes for surface exposure. . ... 18

3-8 Upgrade DELFIC, U238 thermonuclear fission at 1 hr,32 most important isotopes for surface exposure. . ... 19

3-9 Elemental constituents used in ERM calculations. . ... 20

3-10 Exposure rate multiplier (ERM) data base. . . . . . . . 20

4-1 Fallout activity and exposure rates, U238thermonuclear fission ......... ................. ... 24

4-2 Fallout activity and exposure rates, U235fast fission ............................... . . . . . 24

vi

Page 9: DELFIC Fallout Prediction Code Radiation Physics DTIC

TABLEE (Continued)

Table Page

4-3 Fallout activity and exposure rates, U238fast fission. . . . . . . . . . . . . . . . . . . . . . 25

4-4 Fallout activity and exposure rates, Pu239fast fission. . . . . . . . . . . . . . . . . . . . . . 25

A-i DELFIC original and upgrade decay constants andexposure rate multipliers, 72 1 Atomic Wt. 1 77. . . . . 28

A-2 DELFIC original and upgrade decay constants andexposure rate multipliers, 78 : Atomic Wt. 4 82. . . . . 29

A-3 DELFIC original and upgrade decay constants andexposure rate multipliers, 83 _ Atomic Wt. 1 87. . . . . 30

A-4 DELFIC original and upgrade decay constants andexposure rate multipliers, 88 : Atomic Wt. 4 92 ........ 31

A-5 DELFIC original and upgrade decay constants andexposure rate multipliers, 93 < Atomic Wt. C 97. . . . . 32

A-6 DELFIC original and upgrade decay constants andexposure rate multipliers, 98 1 Atomic Wt. : 102 .... 33

A-7 DELFIC original and upgrade decay constants andexposure rate multiplierc, 103 1 Atomic Wt. 1 106. . . . 34

A-8 DELFIC original and upgrade decay constants andexposure rate multipliers, 107 1 Atomic Wt. < 110. . . . 35

A-9 DELFIC original and upgrade decay constants andexposure rate multipliers, 111 S Atomic Wt. : 115. . . 36

A-10 DELFIC original and upgrade decay constants andexposure rate multipliers, 116 1 Atomic Wt. < 120. . . . 37

A-11 DELFIC original and upgrade decay constants andexposure rate multipliers, 121 1 Atomic Wt. -< 125. . . . 38

A-12 DELFIC original and upgrade decay constants andexposure rate multipliers, 126 : Atomic Wt. : 130. . . . 39

A-13 DELFIC original and upgrade decay constants andexposure rate multipliers, 131 1 Atomic Wt. i 135. . . . 40

A-14 DELFIC original and upgrade decay constants andexposure rate multipliers, 136 < Atomic Wt. S 141. . . . 41

vii

Page 10: DELFIC Fallout Prediction Code Radiation Physics DTIC

TABLhE (Continued)

Table Page

A-15 DELFIC original and upgrade decay constants andexposure rate multipliers, 142 : Atomic Wt. 5 146. . . . 42

A-16 DELFIC original and upgrade decay constants andexposure rate multipliers, 147 : Atomic Wt. - 151 .... 43

A-17 DELFIC original and upgrade decay constants andexposure rate multipliers, 152 : Atomic Wt. S 156. . . . 44

A-18 DELFIC original and upgrade decay constants andexposure rate multipliers, 157 - Atomic Wt. - 161 .... 45

B-1 Fission products not in DELFIC for which decayconstants and exposure rate multipliers areavailable, 31 : Atomic No. < 44. . . . . . . . . . . . . 48

B-2 Fission products not in DELFIC for which decayconstants and exposure rate multipliers areavailable, 45 5 Atomic No. 5 49. . . . . . . . . . . . . 49

B-3 Fission products not in DELFIC for which decayconstants and exposure rate multipliers areavailable, 50 : Atomic No. : 58. . . . . . . . . . . . . 50

B-4 Fission products not in DELFIC for which decayconstants and exposure rate multipliers areavailable, 59 S Atomic No. : 68. ........... . . . 51

viii

Page 11: DELFIC Fallout Prediction Code Radiation Physics DTIC

SECTION 1INTRODUCTION

The Pfense Land fallout Interpretive Qode (DELFIC) (Ref. 1)is the Defense Nuclear Agency standard phenomenology code forcomputing fallout environments from nuclear weapons detonations.Such environments include spatial and temporal distributions ofradioactive fission products, activation products, unreacted bombdebris and their associated radiation exposure rates. A largenumber of available fallout and special applications codes arecalibrated to DELFIC data or actually include portions of DELFIC intheir construction. These codes include NewFALL (Ref. 2), DNAF1(Ref. 3), SEER (Ref. 4), CIVIC (Ref. 5), FAS (Ref. 6). Analternative fallout code, WSEG-10 (Ref. 7), was developed beforeDELFIC, based on empirical data. Thus, neither it or its progenyshare a specific development heritage with DELFIC. However, bothhave been influenced by the same limited amount of testobservations.

DELFIC describes the rise of the fireball in the time frame ofseconds and later, the formation of the cloud stem and, ultimatelythe formation of the stabilized radioactive cloud. It computes thefractionation of the fission products, i.e., their association withvarious particle sizes, depending on their volatility, and finally,it calculates the deposition of radioactivity on the ground, basedon the same particle size considerations.

Basic to the DELFIC model is the radiation physics package,which calculates the isotopic inventory of radioactive nuclides asa function of time after burst. This inventory is important tofractionation analysis and determines the exposure to radiationemissions. In this report DELFIC is either referred to as"Original" DELFIC, meaning the current code before modification, or"Upgrade" DELFIC, meaning the code as modified by work performedduring this study. Original DELFIC follows the decay of a largeinventory of isotopes, but has gamma ray emission data for only asmall fraction. Thus, its calculation of exposure to gammaemissions from fallout is incomplete. In addition the decay andbranching constants and initial fission product inventories havenot been revised in over 20 years. Finally, it has been observedthat the code does not treat properly the decay of some portions ofthat inventory.

This report describes an effort to rectify as many of theseproblems as possible within the constraints of available resources.Thus, it contains explanations of problems associated with thelogic of radioactive decay as treated in DELFIC and the steps takento solve these problems. It also describes efforts to upgradenuclear data in the code, particularly decay constants and theexposure rate multipliers associated with gamma ray emission rates.

1

Page 12: DELFIC Fallout Prediction Code Radiation Physics DTIC

SECTION 2DECAY CRAIN LOGIC UPGRADE

DELFIC treatment of radioactive decay is limited to betadecay, beta-neutron decay and isomeric transition (IT). DELFIChandles radioactive decay by arranging its inventory in chains ofincreasing atomic number, which follow the decay process from theparent isotope through a number of daughter products and until astable daughter is produced. Chains in which the decay process islimited to beta emission and IT are characterized by a singleatomic mass number. Chains which include beta-neutron decayinclude isotopes having more than one atomic mass number. The codecontains 118 such chains, including 692 isotopes, of which 118 arestable. A listing of the isotopes in the DELFIC library, arrangedby chain, may be found in Appendix A of this report.

2.1 CONSERVATION OF INVENTORY IN A SINGLE, BRANCHING CRAIN

As originally written, the DELFIC decay scheme has problemsconserving inventory. One instance of this problem occurs whenDELFIC encounters a branch in a decay chain. An example of such abranching chain is shown in Figure 2-1. The compartments representisotopes. The balloons represent the rate of transfer byradioactive decay from one compartment to the next, which iscontrolled by the "dcon," i.e., the decay constant. In the middleof the chain AsB3 may decay to either Se83m (Probability - 0.44) orSe83 and Se83m may undergo isomeric transition to Se83 (Prob. =0.1) or it can undergo beta decay to reach Br83. The probabilitiesgoverning the decay path are referred to as branching ratios.

DELFIC handles the problem of branching by computing the decayfor this chain separately for monolithic subsets of the chain, eachaccounting for a single branch, and adding the results. In orderto avoid miscounting the contribution of initial inventory nuclides(nuclides which exist at zero time) in this process, DELFICmultiplies the abundance of each by the product of all subsequentbranching ratios in the subset. In this way DELFIC partitions aportion of initial inventory for use in each subset of the chainand so conserves that inventory. Further, according to DELFIClogic, all isotopes which occur subsequent to a branch are notaffected by it and therefore contribute 100% of their inventory tothe subset.

In the case of the chain depicted in Figure 2-1, the resultingthree monolithic subset chains and the associated initial inventorypartitions are given in Table 2-1. The first subset includes thepath through Se83m and Se83, the second through Se83 alone, and thethird through Se83m alone. It can be seen from Table 2-1 that theDELFIC logic works well until after the first branch occurs. Up tothat poin': the sum of the inventory partitions for each isotopeover all subsets is unity, as shown in the last column of thetable. After the first branch occurs, however, the logic goes

2

Page 13: DELFIC Fallout Prediction Code Radiation Physics DTIC

m

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V

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0

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Page 14: DELFIC Fallout Prediction Code Radiation Physics DTIC

Table 2-1. Original DELFIC inventory partitions for subsets of

decay chain, mass number 83.

SChain 2 Chin 3 TZn83 0.044 0.396 0.56 1Ga83 0.044 0.396 0.56 1Ge83 0.044 0.396 0.56 1As83 0.044 0.396 0.56 1Se83m 0.1 0.9 0 1Se83 1 0 1 2Br83 1 1 1 3Kr83m 1 1 1 3

Table 2-2. Upgrade DELFIC inventory partitions for subsets of

decay chain, mass number 83.

s Chain Chain2 Chain 3 Total

Zn83 0.044 0.396 0.56 1GaS3 0.044 0.396 0.56 1Ge83 0.044 0.396 0.56 1AsS3 0.044 0.396 0.56 1Se83m 0.1 0.9 0 1SeS3 0.5 0 0.5 1Br83 0.333 0.333 0.333 1Kr83m 0.333 0.333 0.333 1

&wry, in that each subset includes 100% of the initial inventory ofall isotopes subsequent to the branch. In the case of the chaindepicted in Figure 2-1, this results in the initial inventory ofSe83 being counted twice and those of Br83 and Kr83m being countedthree times.

The existence of the initial inventory conservation problem inbranchirng chains arises because the code treats each subset of thechain serially, never assembling the probability array given inTable 2-1. The upgrade of DELFIC solves the problem by proceedingthrough the creation of branching chain subsets twice, once toassemble the partitioning array and re-normalize its values, asshown in Table 2-2, and a second time to actually calculate thedecay and total isotopic abundance. Note that the decay of initialinventory below the branch is the same for every subset of thechain. Therefore, the initial distribution of that inventorybetween the subsets is not important, so long as the total isconserved.

4

Page 15: DELFIC Fallout Prediction Code Radiation Physics DTIC

Table 2-3. Comparison of original and update DELFIC activitycalculation for chain of mass number 83.

Isotope: Zno3 0a83 0e83 A813 5.83. 5.83 3r83 Kr83m

Orlqlnol DILFICTotal Inventory MAm/lO4 Flsslons):Tim a 0 1.5001-03 1.475" g01.325E+01 2.3501.01 4.7301.0 3.14U1.00 2.250E-01 0.0001.00Sahat On@ Inwmntorv tAtam/lO Fiuaions):T a 0 6.600E-05 6.4901-02 5.8301-01 1.034E.00 4.7301-01 3.1481.00 2.250E-01 O.0001*00T a 8.02 wee 0.0001.00 O.O0?nO0 4.00SE-02 8.210E-01 1.2251.00 3.2071.00 2.3661-01 1.4841-04liftet Two Inventory (AtinlO1 Fislons)sT a 0 5.9401-04 5.8411-01 5.2471.00 9.3061.00 4.Z275E+)3 2.250E-01 0.0001M00T a 8.02 sec 0.000100 O.0001.0 3.604E-01 7.3M8900 1.1531.01 8.5871-01 3.185E-04kibat Teace. IrAetof (Atom/ll 4 FIs1oj m):T • 0 8.400E-04 8.260E-01 7.420.E00 1.316E.01 3.1481.00 2.250.-01 0.000E*00T , 8.02 see 0.0001.00 0.000E100 5.0971-01 1.045E.01 1.3541.01 2.567E-01 1.528E-04

Orignalt DILFICTotal Innntorv MAtom/1l0 Fllorm):T v 8.02 sec 0.0001.00 0.000E*00 9.1021-01 1o866.01 1.2261E01 1.6771M01 1.3521.00 6.197E-04

Upirad .DELFICSust One Ieetr m Ao/O faln)

6. - 6.61 0E4 S. -0 1.0341.00 4.n730-01 1.5741.00 7.5001-02 0.000E10• t Two Mnetr 4Am/O -Fla5MsT-1 5.9"-04 5.1,1E-O .4.00 9.3061.00 4.273100 7.S01-02 0.0001.00

JU~otThre nentr L •tmalO nlsonTa 0.'01 7.42OE*0 1.316E.01 1.5741['00 7.500-02 0.000100

Upgrade DILFICTotL nvntry(AMg/10 Fissions):

ITRA-9n8.02 I 0E~O. 0.0009+00 9.1011-01 1.86101 1.22S5.01 1.3631+01 8.9071-01 3.267t-04

Siff ent m No Change no Change No Chlange No C•ange No Change -18.71% -34.121 -47.28X

a. Differzne: (Upgracb-Orwlgneat/Origlnst * 1002

Using the chain shown in Figure 2-1 as an example, the impactof the upgrade correction is illustrated in Table 2-3 for the chainapplicable to mass number 83. In this case the difference betweenactivity of an individual isotope located below the branch, ascalculated by original and update DELFIC, is significant, with theupgrade providing activities which are 20% to 50% less than thosecalculated with the original code.

2.2 CONBV RVATION OF INVENTORY IN MULTIPLZ, fMUCOKING C111N3

A beta-neutron decay results in a daughter isotope which hasa different atomic number than the parent and is therefore alsolikely to have a beta decay parent. Thus, a branch of a decaychain may be held in common by two chains. In DELFIC thissituation can become quite complicated, as shown in Figure 2-2,which is a simplified depiction of the relationship between twochains, initially of mass numbers 89 and 90, which couple at KrS9.

The coupled chains depicted in Figure 2-2 produced an initialinventory conservation problem similar to that described in 2.1 forbranching chains. DELFIC assembles a set of monolithic chains

5

Page 16: DELFIC Fallout Prediction Code Radiation Physics DTIC

00

0)0C0

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SdI aAUA

I 0U

0 0 if0 0

if

0 I d's

hI

S I6

Page 17: DELFIC Fallout Prediction Code Radiation Physics DTIC

which represent the branching chain. In doing so the code includesnuclides which have been included in another decay calculation. Asoriginally configured, DELFIC also includes the initial inventoryof all members of each monolithic chain in the new decaycalculation. Thus, the initial inventories of isotopes are addedto the calculation as many times as the isotopes are found withina chain.

The problem of inventory conservation in multiple, branchingchains is solved in upgrade DELFIC by the simple expediency ofsetting the initial inventory value to zero after it has been usedonce. Thus, inclusion of an isotope subsequent to its initialappearance in a decay chain adds only the inventory attributable todecay. This solution is illustrated in Table 2-4, which depictsmass number chain 89 and that portion of the same chain proceedingfrom the chain of mass number 90, decayed to 8.02 sec. In thelines of data which represent the original DELFIC treatment ofthese two chains, it can be seen that the initial inventory isbeing counted twice, once in the 89 chain and again in the 90chain. Upgrade DELFIC zeros out the inventories of the isotopescommon to both chains in the second pass through them. The effect

Table 2-4. Comparison of original and update DELFIC activitycalculation for coupled chains, mass number 89and 90.

Initial Inventory Conservation In Decay Chains with Common Branch"

Isata": ASO9 so89 Ir89 Kr89 *b99 1r89 Y89

Originml DILFICTotal Iny-ntory (AtgM/lO fissigm):

T a 0 1.5281.00 4.824.Efnl 1.233E102 4.060E#01 6.300E+00 9.500E-03 O.001E*00fIat One In'" w otv (Atm/ls.omisLT a 0 1.SW1.00 4.829E*0 1.233E+02 4.060E#01 6.3001*00 9.500E-03 0.000E+00T a 8.02 sec O.O000÷Uu J.'aEgO00 5..77E+01 1.394E*02 9.066E+00 5.4271E-02 3.M3-06$&ueet Two inventory (At12.ALj9isins):T a 0 4.060M#01 6.300E+00 9.500E-03 0.0001.00T a 8.02 sec 6.034E*01 7.870%#00 5.186E-02 3.808-10

Original DELFICTotal Inventory (AtoujlO4fissions):I a 8.02 sec O.000E,00 3.0641*00 5.4771,01 1.991[#02 1.6941.01 1.062E-01 7.6911-08

Upgrsde DELFIC 4I etl g I o (Atom/lO flnlons):T a 0 1.9951R00 4.8241ý01 1.233E#U2 4.0601E01 6.300E100 9.500E-03 O.001E*00ILM t Two Inventory (Atom/10 fissions);TI 0 0.0001.00 O.O00100 0O.000100 0.0001.00

Upgrrde DELFIC 4Tots Inventorv (Ato•A1R f!lior)T * 6.02 sec O.0000E+0 3.064E+00 5.477.E01 1.603E#02 9.519E+00 5.538E-02 3.923E-06

Dlfferencess No Change No Change No Change -19.73% -43.791 -47.83% -48.99%

a. Oifference: (Upgrade-OriginsL)/OHginst * 1001

7

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of this change on the chains portrayed in Table 2-4 is to reduce

the decayed inventory of some isotopes by as much as 50*.

2.3 KLI'RM•RTIV DECAY MODES

At this time nothing has been done to include additional decaymodes, such as positton emission or electron capture, in the DELFICdecay scheme. Sut-A, inclusion is necessary in order to increase thenumber of nuclides treated by the code. Ultimately, this must bedone in order for DELFIC correctly calculate early time activity.

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SECTION 3DATA BASE UPGRADE

DELFIC contains data for 692 nuclides, having atomic numbersbetween 27 and 66. These nuclides are accounted for in decaychains, as described previously in Section 2, in which the decay isfollowed from an initial radioactive isotope, which is the productof fission or activation, to the final, stable element in thechain.

The data required by DELFIC to calculate the population ofradioactive isotopes and their associated contribution to exposurerates from surface contamination, i.e., fallout, include thefollowing:

Initial AbundanceRadioactive Decay Constants

Branching RatiosExposure Rate Multipliers

This program of DELFIC data base review and upgrade occurredas the Evaluated Nuclear Data File (ENDF) (Ref. 8) was beingupdated from version 5 to version 6. Initial availability ofENDF/B-6 was limited to decay constants and gamma ray emissionspectra. Therefore, this report describes the revision of DELFICto include new decay constant data and new exposure ratemultipliers, calculated using ENDF/B-6 gamma ray emission data.

3.1 RADIOACTIVE DECAY CONSTANTS

DELFIC contains a library of 692 fission products of which 118are the stable ends of decay chains. Therefore, 574 decayconstants were replaced with new values taken from ENDF/B-6. Inaddition to the data required to update the existing DELFIClibrary, ENDF/B-6 offers decay constants for an additional 171radionuclides. New decay chains would have to be added to DELFICin order to accommodate the remaining data.

The mean difference between new and old decay constants is +72± 593%. Thus, it can be seen that, while there is little netchange in the decay constants overall, there is tremendous variancein the value of individual differences. The original and upgradedecay constants are listed in Appendix A.

Tables 3-1 through 3-8 give the most important 32 isotopesfrom the standpoint of surface exposure (R/hr/KT/m2 ) one hour afterU235, U238 and Pu239 fast fission and U238 thermonuclear fission.Part of the reason for the difference between the original andupgrade lists for each fissile isotope is the decay constantrevision. The total activity listed at the bottom of the isotopeinventory column represents 100% of the activity and is not simplya sum of column values. The difference in total activity is

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partially due to decay constant changes. However, it is also dueto changes in the handling of initial inventory, as described inSection 2. The separate impact of each change can be inferred fromthe following values for total activity one hour after U238thermonuclear fission:

Original DELFIC: 4.391*108 Ci/KT

Upgrade DELFIC (Partial): 4.264*108 Ci/KTRevised Initial Inventory Conservation Only

Upgrade DELFIC (Complete): 4.326*108 Ci/KTRevised Initial Inventory ConservationRevised Decay Constants

The effect of revising the treatment of initial inventoryconservation is to reduce the total activity by a few percent. Thenet effect of the decay constant changes is to increase theactivity, which is consistent with the longer mean value for therevised decay constants.

3.2 ZIPOSURI RAT3 MULTIPLIERS

DELFIC translates ground surface-deposited activity intoexposure rate by means of Exposure Rate Multipliers (ERM). Thedimensions of the ERM library used in DELFIC are

(R/Hr)/(Disintegrations/Sec-cm2)

The original DELFIC contains ERM values for 181 isotopes. Inupgrade DELFIC the number has been expanded to 574, i.e., all theradioactive elements in the DELFIC library.

Expansion of the DELFIC ERM data base required that new ERM'sbe calculated. This was accomplished using gamma ray source ratesand one-dimensional radiation transport methodology to obtain theexposure rate one meter above a flat plane due to gamma emissionson the surface of that plane. The gamma ray source rates wereobtained from the emission spectra (per disintegration) forindividual fission product isotopes contained in ENDF/B-6. Theone-dimensional transport code used in the calculation was ANISN(Ref. 9), which solves the boltzmann equation in one dimension withanisotropic scattering.

The ANISN calculation was performed in the adjoint mode todetermine the importance of isotropic gamma ray emissions of allenergies and all locations in producing gamma ray tissue kerma(rad(tis)) one meter above the ground surface. The calculationswere performed using cross sections from the PVC 36 energy grouplibrary (Ref. 10) using an S., quadrature and a P5 legendrescattering order. The ground and air constituents used in the

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calculations are given in Table 3-9. Tissue kerma was converted toroentgens (R) by dividing tissue kerma by 0.957.

The results of the ANISN calculations for a source location onthe surface of the ground (actually 0.25 cm above the surface) aregiven in Table 3-10 and depicted graphically in Figure 3-1. Theenergy boundary format of the data shown is changed somewhat fromthat originally calculated to make it consistent with the format ofthe available source spectra data. These data were multiplied bythe gamma rays per energy group per disintegration from ENDF/B-6for each DELFIC radioactive isotope to obtain the new ERM library.

Note that the URM values in DELFIC do not include the effectof attenuation due to ground roughness. Ground is not smooth onthe scale of fallout particles, which range in size from microns tohundreds of microns. Rather it is made up of granules havinginterstitial crevices, having sizes of the same order as thefallout particles. The tendency for fallout particles to depositin these crevices results in the attenuation of emitted radiation.The effect of ground surface roughness typical of a smooth dirtfield is to reduce gamma ray exposure rates by approximately 30%(Ref. 11).

Appendix A contains a listing of ERN values for the originaland upgrade DELFIC libraries. Appendix B provides ERM values foran additional 171 radionuclides included in ENDF/B-6 but nottreated by DELFIC. Comparing upgrade ERM values with those of the181 elements in original DELFIC, the difference between the new andold is +29 ± 131%, i.e., the new values are slightly larger, whilethe variation for individual isotopes is substantial. Tables 3-1through 3-8 give the most important 32 isotopes from the standpointof surface exposure (R/hr/KT/m2) one hour after U235, U238 andPu239 fast fission and U238 thermonuclear fission. The tables alsoprovide values for original and upgrade EP?!'s for the listedisotopes.

11

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Table 3-1. Original DEIFIC, U235 fast fission at 1 hr, 32most important isotopes for surface exposure.

mside _ arIK118 %of total R CUL~tell

55-CS-1SO 3. 104E+07 3.588-04 9.790-06 1. 124E+09 14. 1" 14.16253-1-134 2.0222+07 2.18W04 1 1.220E-05 9.127E+08 11.502 25.66%52-te-133m 1.2591E+07 2.3101-04. 1.129-05 5.2171.08 6.57% 32.23257-te-142 1.969107 1.3751-04 6.010E-06 4.4231.08 5.S7% 31.8=259-pr-146 I.777107 4.7351-04 6.530E-06 4.293E+08 5.412 43.21137-i-b-89 1.021E-07 7.5021-04 1.1001-05 4.1551406 5.232 48.45%S2-te-134 1.6191407 2.7511-04 6.840E-06 4.0971.06 S. 162 53.61142-00-101 l.1159+07 7.913E-04 7.920E-06 3.2671409 4.122 57.7n53-i-135 5.604E.06 2.8741-05 135601-05 3.2351406 4.072 61.60257-to-143 1.2991.07 6.418-04 5.740E-06 2.7591+06 3.45x 65.27238-ai--92 1.2375+0? 7.131E-05 5.860-06 2.691E406 3.39% 65.66239-y-94 1.839E+07 5.776E-04. 3.48M1-06 2.3681.08 2.98Z 71.65%43-te-101 3.056"+07 8.252E-04 1.930E-06 2.1821408 2.75% 74.39236-kr-8S 7.1349+06 6.8761-05 7.6601-06 2.0271.06 2.53% 76.95%56-be-lid 1.3831.07 6.41SE-04 3.65M1-06 1.868106 2.35% 79.301SZ-te-ISS 4.6901.06 9.24.2E-04 784"-06 1.3601.06 1.71% 81.01%36-ke-87 3.855E+06 1.481E-04 4.1001-06 1.3431+06 1.69% 82.71%35-br-64 3-831E+06 3-610E-04 9.1701-06 1.300E.08 1."% 84.34%52-te-131 1.624E.07 4.814E-04 2.1301-06 1.28ft.06 1.61% 85.96254-xo-138 7.5161.06 8.252E-04 4.410E-06 1.2261+06 1.54% 87.50251-ab-131 8.516E406 5.9551-04 3.1801-06 1.0029#06 1.262 88.76237-rb-OS 7.1851.06 6.418-04 3.120E-06 8.294E+07 1."%2 89.81234-se-83 1.5S021.06 4.621E-04 1.4901-05 8.2815.07 1.04% 90.85243-te-102m 4.137E.06 2.5671-03 5.3501-06 8.189E#07 1.03% M1an851-6b-M28 2.339E+06 1.0501-03 9.28M1-06 8.031E+07 1.01% 92.89X59-pr-145 4.5351406 3.2201-05 4.090-06 6."U+107 0.832 93.76256-be-142 3.502106 1.1559-03 4.9501-06 6.414E+07 0.81% 94.57238-or-91 3.9644106 1.9631-05 4.18M1-06 6.131E+07 0. 77% 95.34241 -r6-9ft 2.4731.06 1.1551-02 3.820-06 3.498E+07 0."% 95.M858-ce-146 5.0159406 8.3111-01. 1.50-06 2.78M1.07 0.35% 96.13%53-1-132 5.771E#05 8.3711-05 1.120E-05 2.392E.07 0.302 96.432"4-ru-lOS 1.05106A* 4.376E-05 3.880-06 2.1611.07 0.272 96.702

Total: 4.266106 7.9391.09

aWCI eay Constant (sec 1)2b. ERN: 1,xposur* lot* Nultptl~er WRhr/dfe/aecw/ 2

12

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Table 3-2. Upgrade DELFIC, U235 fast fission at 1 hr, 32most important isotopes for surface exposure.

531142.9331.0? 2.1961-04 1.254E-05 9.432E+06 11.48% 11.48X55-ca-136 1.9661.0? 3.58ff-04 1.031E-05 7.586E+W0 9.24% 20.=2

*54-,xe-l34 2.033E+07 2.390100 9.47SE-06 7.129E+09 8.682 29.40%*57-La*142 1.89E01.0 1.26B1-04 9.4671-06 6.62M09.0 8.062 37.461

S2-te-133a 1.224E+07 2.0851-04 8.0861-06 3.6631.06 4.461 41.92ZS9 -pEr.l 46 1. 7681+07 4.734-04 4.S541-06 2.98%018 3.63% 45.531Sl-sb-M3 9.9641+06 5.023E-04 8.0151-06 2.961E+06 3.60% 49.13138-sr-92 1.231.0 7.1051-05 6.050-06 2.7611.08 3.36X 52351142-in-101 1.0579407 7.913E-04 6.9171-06 2.7051.08 3.29 55.811S2-t*-134 1.6191.07 2.764E-04 4.504-06 2.6inE408 3.28 59O0K37-rb-89 7.7311.06 7.6001-04 8.7571-06 2.521E+06 3.071 62.163SI-sb-130 4.0941406 2.9251-04 1.6091-05 2.4381408 2.971 6S.131

3-941.-7051.,0? 6.1786-04 3.6361-06 2.294E+06 2.791 67.921S6-ba-141 1.4091.0? 6.3231-04 4.023E-06 2.0971.08 2.551 M0.SS43-tc-101 2.9781.07 S. 136E1-04 1.808-06 1.987E+06 2.421 72.M936-kr-IS 6.201E*06 6.7M0-05 7.879E-06 1.8091.08 2.201 75.m943-tc-102m 3.9021+06 2.6561-03 1.129E-05 1.6291.08 1.981 77.00143-tc-104 4.4581.06 6.313E-04 9.760E-06 1.6101.06 1.96 79.04153-1f- 13S 5.695E+06 2.9311-05 7.043-06 1.4841.08 1.81% 80.84152-to-131 1.5511407 4.621E-04 2.163E-06 1.2411.06 13511 82.36336-kr-8? 8.3831.06 1.514E-04 3.3441-06 1.037E+08 1.26X 83.621SS-br-84 3.854E+06 3.633E-04 6.970E-06 9.939E+07 1.21% 84.83139 -Y-95 5.2311.06 1.100E-03 4.96U1-06 9.4071407 1.171 86.00%S4-xe-138 5.1111.06 8.2051-04 4.8071-06 9.1021.07 1.11 8W.11152-t*-133 3.84W1.06 9.242E-04 5.6221-06 8.0001.07 0.971 68.08%51-ob-128a 2.2811.06 1.1111-03 9.436-06 7.9631.07 0.971 89.051S6-bo-142 4. 157E.06 1.0901-03 5.162E-06 7.9401407 0.971 90.02159.pr-l47 3.860106 8.494E-04 4.3681-06 6.238E+07 0.763 90.73137-rb-80 6.1701+06 6.4971-04 2.6S49-06 6.0591407 C.74% 91 .51138-ar-93 1.341E+06 1.5541-03 1.0361-05 S.1381.*07 0.631 92.14134-se-83 1. 1471.06 5.180E-04 1.2021-05 5.100E+07 0.621 92.76Z38-sr-91 4.0321+06 2.022E-05 3.323E-06 4.9571407 0.601 93.36%

Total: II.1831+08 8.2141.09

a. KCON; Decay Constant (oft 1 )b. ERM: Exposure Rate MultipLier (A/hr/diu/swclc 2 )

13

Page 24: DELFIC Fallout Prediction Code Radiation Physics DTIC

Table 3-3. Original DELFIC, U238 fast fission at I hr, 32most important isotopes for surface exposure.

nucti _M aa RhrI/Im %of toat f CmLative

SS-ce-138 3.3871.07 3.5881-04 9.790-06 1.2271.09 14.M8 14.M853-1-134 2.3251+07 2.1&0M-04 1.2201-05 1.0501.09 12.641 27.42252-t*-133m 1. 5371.07 2.3101-04 1.120E-05 6.3691406 7.67% IS.10152-te-134 2.4291.07 2.751E-04 6.640E-06 6.1471.06 7.41% 42.50257- 1-U? 1."959107 1.37S1-04 6.010E-06 4.35K1.08 5.25% 47.75%S9-pr--I46 1.7621.07 4.7351-04 6.530E-06 4.2571405 5.132 52.8842-mo-101 1.262107 7.913E-04 7.920E-06 3.696E+06 4.46Z $7.34%S3-1-135 5.9&91+06 2.874E-05 1.M60-05 3.4571.06 4.163 61.50237-rb-09 7.338E+%6 7.5021-04 1.1001-05 2.9671406 3.601 65. 10257-1a-143 1.266107 6.4181-04 5.7401-06 2.6841.06 3.23% 68.331

3-e113."444+07 8.252E-04 1.9301-06 2.45W1.0 2.96X 71.30%38-sr-92 9.8301.06 7.131E-05 5.8801-06 2.139E+06 23582 73.87239-Y-94 1.6431.07 5.776E-04 3.4801-06 2.1161.06 2.552 76.42256-be-141 1.436E+07 6.418E-04 3.650E-06 1.9391.06 2.341 78. 76X54-xe-138 9.%N3106 3.252E-04 4.410E-06 1.557E406 IA=8 80.6325Z-te-133 5.1501.06 9.242E-04 7.84M1-06 1.494E+08 1.801 82.43236-kr-IS 4.$6M+06 6.8761-05 7.680E-06 1.382F+08 1.661 84.10%52-te-131 1.5701407 4.8141-04 2.130E-06 1.237E.08 1.49% $5359235-br-84 3.6231.06 3.610-04 9.170E-06 1.229E+08 1.482 67.072"4-ru-u-lO 8. 1411E.06 4.376E-05 3.880-06 1. 169E+08 1.41% 86.4843-te-1O2a 5.7501.06 2.%67E-03 5.350E-06 1. 138E406 1.37Z 89.85151-sb-131 8.669E+"6 5.9551-04 3.180E-06 1.020E+06 1.231 91.08236-kr-87 6.4W6106 1.481E-04 4.100E-06 9.17?9107 1.18% 92.26156-ba-142 3.752106 I.1551-03 4.9501-06 6.9271.07 0.831 93.0Oft59-pt-145 4.418E+06 3.220E-05 4.090E-06 6.686E+07 0.81% 93.9n237-rb-8S 4.7451.06 6.4181-04 3.1201-06 5.478E+07 0.66% 94.54351 -ab- 1280 1.4231406 i.0501-03 9.280-O6 4.886E.07 0.59% "5.14234-se-83 8.36N1.05 4.621E-04 1.490E-05 4.610E+07 0.563 95.M38-or-91 2.8941.0 1.965-05 4.180-06 4.476E+07 0.5s41 96.24%41 -ft-970 2.5141+40 1.1551-02 3.820-06 3.553E407 0.431 96.67%60-rd-151 1.4W41.6 8.387E-04 5.600E-06 2.909E+07 0.35% 97.02258-ce-146 5.0891406 8.311E-04 1.5001-06 2.824E+07 0.34% 97.36%

4.6051.06 8.300E+09

a. DCOI: D"c~ Contenut (sec. 1)C2b. IftI: Exposure Rate NMuptpler (itlhrldialaec/c )

14

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Table 3-4. Upgrade DELFIC, U238 fast fission at 1 hr, 32most important isotopes for surface exposure.

_~fg al- 2M _a /rK/'Xo oa utt

53-1-134 2.3401.07 2.196E-04 1.2S41-05 1.08H1409 11.71% 11.71%S5-CS-138 2.6611.07 3.5381-04 1.0311.05 1.0151.09 10.95% 22.66%S4-x*-134 2.340E+07 2.390E+00 9.47S1-06 8.206E+08 8.85% 3V.50%57-te-142 1.860E.07 1.26B1-04 9.4671-06 6.515E.08 7.03% 36.53%43-te-104 1.6531+07 6.313E-04 9.760E-06 5.969E+06 6."%K ".96%52-te-133a 1.487E+07 2.0651-04 8.008E1-06 4.4501408 4.30% 49.76%S2-te-134 2.428E+07 2.764E-04 4.504E-06 4.046M+08 4.362 S4.13%42-mo-l01 1.1881.07 7.913E-04 6.9171-06 3.041E.05 3.2U% 57.4m%51-ob-131 1.014E1.0? 5.023E-04 6.015E-06 3.0071.08 3.216% 60.65%S9-pr-14 6 1.7541.0 4.7841-04 4.5541-06 2.957E1-06 3.19% 63.83%43-te-102m 5.4231406 2.6541-03 1.1291-05 2.264E+08 2.44K 66.20X43-to-l01 3.333E+07 8.136-04 1.806-06 2.2291.06 2.40K 68.68%38-ar-92 9.801E+06 7. 105E1-05 6.0501-06 2.1941+08 2.37% 71.05%56-be-141 1.4631.0 6.323E-04 4.023E-06 2.1781.08 2.35% 73.39%37-rb-89 6.5111.06 7.6001-04 8.7571-06 2. 11 O1.08 2.27K 75.67%39-y-94 1.523E.07 6.1781-04 3.636E-06 2.0491+06 2.21% "Aft853-1-135 6.0621.0 2.931E-05 7.043E.06 1.5851.06 1.71K 79.59%51-ab-130 2.4461.06 2.9251-04 1.609E-05 1.46W+810 1.58K 81.17K54-xe-138 7.755E.06 8.2051-04 4.8071-C6 1.379E+06 1.491A 82.66X36-kr-88 4.626E+06 6.780-05 ?J711-06 1.3491408 1.45K 84.11%52-te-131 1.5301.07 4.621E-04 2.163E1-06 1.2241.08 1.32% 85.43%44-ru-105 8.0681.06 4.3371-05 3.730-06 1. 114E.08 1.20% 86.63%S2-te-133 4.6251.0 9.2421-04 5.6=2-06 9.6201.07 1.04% 87.67%35.hj..54 3.6"61.06 3.633E1-04 6.9701- 06 9.4026.07 1.01% 88.68%39-Y-95 4.6841.06 1.1001-03 4.963E-06 8.9691.07 0.97K 89.65%56-ba-142 4.4781.06 1.090E-03 S. 1621 -06 8.553E+0? 0.92% 90.57%36-kr-87 6.443E+06 1.514E-04 3.344E-06 7.971E+07 0.86% 91 .43%59-pr-147 4.384106 8.494E-04 4.3611-06 7.0851.0? 0.762 92.20%43-tc-102 3.3711.06 1.313E-01 4.734-06 5.q041.0 0.64% 92.83%51-ab-Ifte 1.3911.06 1.1111-03 9.436E-06 4.BW6107 0.52% 93.36237-rb-88 4.5211.06 6.497E-04 2.654E -06 4.4401.07 0.48% 93.83%38-or-93 1.1411.06 1.5541-03 1.0361-05 4.3721.0? 0.47% 94.31%

4.6291.08 9.2741.09

a. DCCI: Decay Constant Cs*c 1)b. ERM: Exposure mate Multilier (E/hr/dts/**c/M2)

15

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Table 3-5. Original DELFIC, Pu239 fast fission at 1 hr, 32most important isotopes for surface exposure.

MW Is oim RM!L RlhK.rI•I %of total 9 UR tt

S5-cS-138 2.8541+07 3.586-04 9.790-06 1.034E+09 15.04% 15.04.53-1-134 2.096E107 2.180-04 1.220E-05 9.4611-08 13.T7% 28.81152-te-133m 1. 221.*0? 2.310E-04 1.1201-05 5.0641E08 7.37% 36.18%52-te-134 1.515.*0? 2.751E-04 6.840E-06 3.834E+08 5.58 41.76142-mo-101 1.249E+07 7.913X-04 7.920E-06 3.660E+08 5.33% 47.09159-pr-I46 1.326E+07 4.735E-04 6.530E-06 3.204E108 4.66% 51.75,57-te-142 1.431E+07 1.375E-04 6.0101-06 3.182E108 4.63% 56.38U53-1-135 5.259E+06 2.874E-05 1.5601-05 3.035E+08 4.421 60.80%43-tc-101 3.4371+07 8.2521-04 1.930E-06 2.A541.08 3.571 64.37157-te-11• 8.6391*06 6.418E-04 5.7401-06 1.835E408 2.67n 67.04137-rb-o9 4. 1731.06 7.5021-04 1.1001-05 1.6961408 2.471 69.31%52-te-131 1.9301.07 4.814E-04 2.130E-06 1.521E108 2.21% 71.73%51-ub-12am 4.245E+06 1.050E-03 9.280E-06 1.458E.08 2.121 73.85%39-y-94 1.1291.07 5.776E-04 3.480E-06 1.454E*08 2.12% 75.96156-be-116 1.0421E07 6.4181-04 3.650E-06 1.4071E08 2.OS 78.01152-te-133 4.673E+06 9.242E-04 7.840E-06 1.356E108 1.971 79.98M38-sr-92 6.1366+06 7.131E-0S 5.880E-06 1.3351.08 1.94% 81.93151-ab-131 9.8S2E+06 5.9551-04 3.180E-06 1.159E+08 1.691 83.61%"4-ru-105 7.7621*06 4.3761-05 3.8801-06 1.114E+08 1.62% 85.24%43-tc-102m 5.391E+06 2.567E-03 5.350E-06 1.067E+08 1.SS 86.79MS4-xe-138 6.3861+6 8.252E-04 4.410E-06 1.042E.08 1.521 88.31%36-kr-88 2.8881.06 6.876E-05 7.680E-06 8.207E+07 1.19% 89.50135-br-84 2.149E+06 3.610E-04 9.170E-06 7.2911,07 1.061 90.56136-kr-87 3.958U*06 I.81E-04 4.100E-06 6.004E+07 0.871 91.43151-sb-129 2.390E+06 4.1861-05 5.400E-06 4.791E+07 0.701 92.13159-p•--145 3.1051+06 3.220E-05 16.090E-06 4.6991E07 0.685 92.82156-ba-142 2.423E+06 1.1SSE-03 /.950E-06 4.438E+07 0.6S% 93.46X34-se-83 7.6591*05 4.621E-04 1.490E-05 4.222E+07 0.61% 94.08237-rb-68 2.99M+06 6.418E-04 3.120E-06 3.4614E07 0.501 94.58%53-1-132 8.2911.05 8.371E-05 1.120E-05 3.436E407 0.501 9S.08150-sn-128 3.452*06 2.027E-04 2.390E-06 3.053E+07 D.4"% 9S.52141-nb-97m 2.126i+06 1.1551-02 3.8201-06 3.005E407 0.44% 95.96X

I. 159E*01 6.8721E09

a. DCON: Decay Constant (sc .1)b. ERN: Exposure Rate Nuttiptier (I/hr/die/sec/€ 2 )

16

Page 27: DELFIC Fallout Prediction Code Radiation Physics DTIC

Table 3-6. Upgrade DELFIC, Pu239 fast fission at 1 hr, 32most important isotopes f or surface exposure.

mictid _m aM 181 Rh/ 0 %of total it CuLatsI~

531142.104E+07 2.196E-04 1.2541-05 9.7711.06 12.04% 12.OO54-x.-134 2.1041.07 2.3901.00 9.47S1-06 7.385E.08 9.101 21.1315S-ea-138 1.7301.07 3.5881-04 1.0311-05 6.6=0210 8.13% 29.2U143-tc-104 I.501E407 6.313E-04 9.760E-06 5.420E.08 6.68X 35.94%57-La-142 1.360E+07 1.2681-04 9.4671-06 4.764E.00 5.87% 41.81%51-ob-130 7.4041.06 2.9251-04 1.609E-05 4.400E+06 5.43% 47.24152-to-ID.m 1.1881.07 2.0651E-04 8.0681-06 3.5551.06 4.382 51.62%S1-ab-131 1.1561.07 5.0231-04 8.0151-06 3.4M+108 4.22% 55.64%42-w-101 1.1881.07 7.9131-04 6.9i71-06 3.0411.06 3.751 59359%S2-te-134 1.5151.07 2.7641-04 435049-06 2.5251.06 3.11 62.70a43-tc-101 3.3491.07 8.136E-04 1.8081-06 2.2401.06 2.761 65.05159-pr-146 1.3201.07 4.754-04 4.5561-06 2.225E+05 2.74% 65.20143-te-102m 5.0661+06 2.65M1-03 1.129E-05 2.124E+06 2.621 70.51%56-be-141 1.062E.07 6.323E-04 4.023E-06 1.5811.06 1.951 72.76152-te-131 1.823107 4.621E-04 2.1631-06 1.4591.08 1.Of1 74.56151-ab-128a 4.1221.06 1.1111-03 9.4361.06 1.4391.06 1.7nh 76.33Y.39-y-94 1.047E.07 6.1781-04 3.636E-06 1.4091.06 1.74% 78.06X53-i-135 5.3441.06 2.931E-05 7.043E-06 1.393E.08 1.M2 79.M838-ar-92 6.119E+06 7.1051-05 6.0501-06 1.371.06 1.69% 81 .4Th44-ru-lOS 7.696E+06 4.3371-05 3.730E-06 1.0621.06 1.31%1 2 8LTh37-rb-89 3.035E+06 7.600E-04 8.7571-06 9.053E+07 1.21% 03.99145-rh-IC? 1.494E+07 5.324E-04 1.6821-06 9.3001.07 1.151 AS.131SI-ob-129 3.649E.06 16.3761-05 6A458-06 9.197E.07 1.131 86.26152-t*-ID3 3.7431.06 9.242E-04 5.622-06 7.7w6107 0.961 87.22154-xe-133 4.1441.06 8.205E-04 4.807E-06 ?.37%1.07 0.91% 88.13136-kr-8O 2.406E.06 6.7301-05 7.879E-06 7.014E+07 0.861 89.00139-Y-95 3.575E+06 1.1001-03 4.963E-06 6.565107 0.51% 89.80135-br-84 2.161E+06 3.633E-04 6.97D1-06 5.573E+07 0.691 90.49%43-tc-102 3.1611.06 1.313E-01 4.7341-06 5.536E+07 0.6a1 91.17156-ba-1142 2.877106 1.090E-03 5.162E-06 5.495E+07 0.681 91.85%59 -pr--I4? 3.3601.06 8.4941-04 4.3681-06 5.4301.07 0.6Th 923521S0-on-128 3.417E.06 1.9551-04 3.90OR1-06 4.941E+07 0.61% 93.131

4.009E.06 8.118E.09

a. OC0N: Decay Conmatent (Secl)b. EUM: Exposure late Nuttiptier Clt/hrldIslseclcfd)

17

Page 28: DELFIC Fallout Prediction Code Radiation Physics DTIC

Table 3-7. original DELFIC, U238 thermonuclear fission at 1 hr,32 most important isotopes for surface exposure.

MCII£LL Rlhr/KTIM2 %of R toa jCM n

55-ce*138 2.912E*07 3.588-04 9.7006-06 1.05SP40 14.20% 14.20153-1-134 1.8011+07 2.1801-04 1.2201-05 8. 130E+08 10.941 25.14%52-t*-133a 1.0711+07 2.310E-04 1.1201-05 4.4381.08 5.97% 31.12259-pr-146 1.7501.07 4.735E-04 6.5306506 4.2281408 5.69% 36.81%57-ta-142 1.801[007 1.3751-04 6.0101-06 4.0051.08 5.39% 42.20U52-te-134 1.5491.07 2.751E-04 6.8401-06 3.920E.06 5.28Z 47.4U142-so-101 1.023107 ?.913E-04 7.920E-06 2.99SE.08 4.041 51 .51153-1-13 4.9951.0 2.8741-05 1.560-05 2.883106 3.881 55.39%Ws-b-12ft 3.25&1.06 1.050E-03 9.280E-06 2.8851.08 3.M2 59.21%37-rb-89 6.6501.06 7.502104 1.1001-05 2.7071.06 3.641 62.85157-te-143 1.189107 6.4181-04 5.740E106 2.5251406 3.401 46.25%43-tc-101 2.739107 8.252E-04 1.930E-06 1.9921.0 MAX8 68.93%39-Y-94 1.519E+07 5.776E-04 3.480-06 1.956E+08 2.632 71.57138-or-92 8.854106 7.1311-05 5.880-06 1.9271.08 2.591 74.16X56-be-141 1.293E+07 6.418E-04 3.650E-06 1.746E+08 2.351 76.51%36-kr-88 4.893106 6.876E-05 7.6801D-06 1.390E.08 1.871 75.38X52-te-131 1.7001.07 4.8141-04 2.130E-06 1.3401.0 1.80 80.19154-xe-138 8. 134E.06 8.252E-04 4.410E-06 1.3271.06 1.79 81.97152-t*-133 4.0661+06 9.2421-04 7.340E-06 1. 1791.08 13591 03356335-be-84 3.2986+06 3.610E-04 9.1701-06 1.119E+08 1.511 05.07151-ab-131 8.776E.06 5.9551-04 3.1801-06i 1L0U1.0 1.39% 86.46236-kr-Si 6.6741+06 1.4811-04 4.100E-06 1.0121.06 41.36X 67.8=43-tc-102i 4.461E.06 2.5671-03 5.3501-06 8.831E+07 1.19% 89.011"4-ru-105 5.886106 4.3761-05 3.880-06 8.3781.07 1.13% 90.14X56-be-142 3.490E.06 1.1551-03 4.950E-06 6.392E+07 0.861 91.00150-an-128 7.0675.06 2.027E-04 2.3901-06 6.249E+07 0.841 91 .84159-pr145 4. 1051.06 3.2201-05 4.0901-06 6.212E+07 0.841 92.67134-se-83 1.0331.06 4.621E-04 1.4901-05 5.6951.07 0.77 93.44137-rb-IS48010 6.4181-04 3.120E-06 5.5521.07 0.751 94.19%38-or-91 2.6551.06 1.9651-05 4.180-06 4.1061.07 0.551 94.74%51-sb-129 2.011E+06 4.186-05 5.400E-06 4.0181.0? 0.54% 95.M860-nd-151 1.5M7106 8.88n1-04 S.600E(06 3.268E.07 0.441 95.73M

Total: 4.391E+08 7.429E+09

a. DCCI: Decay Coutetnt (oftc1)b. ERMN Exposure Note Huhitilier (0/hr/dh/eae/ca2 )

Page 29: DELFIC Fallout Prediction Code Radiation Physics DTIC

Table 3-8. Upgrade DELFIC, U238 thermonuclear fission at 1 hr,

32 most important isotopes for surface exposure.

*utd OM wei [B R/rCA of total R Cumlative

55-cs-138 2.243E+07 3.51R-04 1.0319-05 5.5591.06 10.131 10.13%53-1-134 1.8111.07 2.19U1-04 1.2541-05 6.4021.06 9.951 20.08%S 4-"o-134 1.6111.07 2.390E.00 9.47W-06 6.3511#06 7.52% 27.601S?-te-142 1.7091.7 1.2611-04 9.467f-06 5.966140 7.09% 34.69%43-tc-104 1.1681407 6.3131-04 9.76f1-06 4.21S1406 4.991 39.66XS1-sb-130 5.3221406 2.9m5-04 1.609E-05 3.1691406 3.75% 43.43%5Z-te-133. 1.0421+07 2.0651-04 6.066-06 3.1181.06 3.69% 47.12%51-0b-131 1.029E407 5.0231-04 5.0151-06 3.0511406 3.61% 50.7459-pr-146 1.742n407 4.7W4-04 4.55%1-06 2.9361+08 3MIX S4.21%91-ab-12le 8.0671.06 1.M11-03 9.4361-06 2.8111406 3.33% 57.55152-to- 134 1.5491407 2.7641-04 4.5041-06 2.5811.06 3.06% 60.60142-00- 101 9.6021.06 7.9131-04 6.917E-06 2.4581.06 2.91% 63.51138-sr-92 6.630106 7.1051-05 6.0501-06 1.9M7140 2.341 65.051Wbe- 141 1.3173407 6.3231-04 4.0231-06 I1.9601.0 2.321 66.11239-y-94 1.409107 6.1761-04 3.636E-06 1.696140 2.241 70.42143-tc-101 2.693E+07 8.136E-04 1.606-06 1.6011406 2.132 72.55243-tc-1026 4.200E406 2.6561-03 1.1291-05 1.7571406 2.08Z 74.63%37-rb-89 5.394E+06 7.6001-04 8.7371-06 1.7481.06 2.072 76.70%53-1-13S 5.0751.06 2.9319-05 7.0431-06 1.3221.06 1357% 75.27236-kr-88 4.4321E+06 6.?M0-05 7.679E-06 1.292106 1.532 79.80252-t*-131 1.6131407 4.6211-04 2.1631-06 1.2911406 1.532 $1.33254-xo-138 6.496E+06 8.205-04 4.007[-06 1.1551406 1.37X 82.691

5-n126 6.9941406 1.995S104 3.9061-06 1.0111.06 1.201 83.6"151-sb-129 3.932E.06 4.3761-05 6.4!I-06 9.3951407 1.11% 65.00135-br-84 3.3171.06 3.6M3-04 6.9M0-06 8.5541+07 1.011 86.02136-kr-ST 6.4541.06 1.514E-04 3.3441-06 7.965E407 0.95% 86.96%"4-ru-105 5.763106 4.3373-05 3.7301-06 7.296+107 0.952 87.91%39-y- 9 S 4.3351.06 1.1001-03 4.963E-06 7.9611.07 0.94% W85%6S56-be-142 4.1321+06 1.0901-03 5.1621-06 7.&M#107 0.93% 89.M159-pr-147 4.4941.06 8.494E-04 4.3661-06 7.2631407 0.866 90.64252-te-133 3.2191406 9.2421-04 5.6221-06 6.620107 0.611 91.45%/*5-rh-I07 1.0561407 5.3241-04 1.6M2-06 6.573M407 0.71 92.23%

Total: 4.3261+06 8.446E+09

a. VONI: Decay Consatnt Coeci )Mb. EMl: Expesure Rot* NMutplier (EI/ir/diIssc/c~

19

Page 30: DELFIC Fallout Prediction Code Radiation Physics DTIC

Table 3-9. Elemental constituents used in ERMcalculations.

Material-Blow gmnsitn Nnbgzr flnsiaAir- 1.O1E-03cNitrogen 3.251-02Oxygen 8.76Z-03Argon 1.95E-04

Ground- 1.7Hydrogen 5.742-03Oxygen 2.053-02Aluminum 2.87Z-03Silicon 6.823-03

a. Density: g/;iF'b. Number Density: Atoms/barn-cmc. Read as 1.01*10".

Table 3-10. Exposure rate multiplier (ERN) data base.

Upper R/Hr per Upper R/Hr perGrp. Energy Gamma F er Grp. Energy Ganza reHAL. (may sac-cM, K2.L (NOV) SC-cm,

1 1.4E+014 2.8143-05 12 1.5Z+00 5.618Z-062 1.23+01 2.4632-05 13 1.OE+00 4.178E-063 1.03+01 2.1159-05 14 7.OE-01 2.9779-064 8.03+00 1.8573-05 15 4.5E-01 2.013E-065 7.09+00 1.684Z-05 16 3.OE-01 1.1813-066 6.0E+00 1.5053-05 17 1.5E-01 6.403E-077 5.03+00 1.3203-05 18 I.OE-01 4.268E-078 4.09+00 1.126E-05 19 7.OE-02 3.532Z-079 3.09+00 9.6793-06 20 4.5E-02 4.200E-0710 2.53+00 8.519E-06 21 3.0E-02 6.3433-0711 2.0E+00 7.1533-06 22 2.OE-02 8.7713-07

Lower Energy Bound: 1.OE-02

a. Read as 1.4 * 101

20

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8 ........ .... . . . ........... . . ...

IEa" . ... . . .... ,.... . ... ... ..... .............

I E-76--A-L-

1.IM 3M02 141 3 15+00 35+00 1E+01

Energy (MOV)Figure 3-1. Exposure rate multiplier (ZERM) data base.

21

Page 32: DELFIC Fallout Prediction Code Radiation Physics DTIC

SECTION 4TIM IXPACT OF DBLVIC UPGRAD3

Calculations have been performed with the old and upgradedDELFIC radiation physics packages to assess the aggregate effect ofchanges in coding and data. Tables 4-1 through 4-4 give theactivity (Curies per kiloton) and exposure rate [(Roentgens perhour) per (kiloton per square meter)] calculated by DELFIC with andwithout upgrades for thermonuclear fission of U238 and fast fissionof U235, U238 and Pu239.

4.1 ACTIVITY

It can be seen from the data in Tables 4-1 through 4-4 thatthe impact of the upgrade on activity inventory are small, with thechanges generally resulting in small reductions in activity,particularly at late times. The amount of activity reductioncaused by the upgrades is consistent with that observed for codingchanges to the decay package, being of the order of a few percent.Updates in radionuclide half-lives do not appear to have had asignificant net effect on activity levels. However, some effect isnoticeable at early times, i.e., between one and fifteen minutes.

4.2 ZXPOIURB RRTZ

The upgrade of Exposure Rate Multipliers (ERM), replacing thevalues for the 181 radionuclides in DELFIC which had ERN's andincluding ERM's for anl additional 393 radionuclides, affects thenet exposure rate as a function of time similarly for all nuclidesand fission types included in Tables 4-1 through 4-4. The increasedue to the upgrade in exposure rates at one minute is mostdramatic, on the order of a factor of four or mo:7e. Of coursefallout at one minute is not particularly important, however thechange in surface exposure rate must be mirrored in that due toexposure to the rising cloud and its stem. Such early timeexposure rates are potentially important to aircraft attempting topenetrate an array of clouds in the first few minutes afterdetonation.

Eventually, DELFIC must be reconciled at early times with suchinitial. radiation codes as the Air Transport of Radiation (ATR)code, which calculates exposure rates from the rising cloud out to60 seconds. ATR uses the aggregate gamma ray emission rate perfission as its source. Using this source in place of thatcalculated using the DELFIC inventory yields a surface exposurerate which is approximately 50% greater than that calculated by theupgraded DELFIC. Therefore, it must be assumed that the success ofDELFIC-ATR reconciliation will depend not only on the upgrade ofexposure rates associated with the current DELFIC inventory butalso on the addition of more short-lived nuclides to thatinventory. Additional fission products for which decay rates andgamma emission data are available are given in Appendix B.

22

Page 33: DELFIC Fallout Prediction Code Radiation Physics DTIC

At one hour, a time generally used as a standard for falloutassessment, the exposure rates of the upgraded DELFIC are generallybetween ten and twenty percent greater than the old values. At oneday the upgraded values have dipped below the old values byapproximately twenty percent. However, by one week the upgradedvalues have risen to within a few percent of the old values.

IE+10

I1E+10

1E+10

OE+09

~'4E+00e

+00 . ,,. ........ I . ......

1E-M tE-1 IE+00 IE+01 IE+02 1E+03

HoumFigure 4-1. DELFIC original and updated exposure rates for U238

thermonuclear fission.

Figure 4-1 illustrates the progression of exposure rate valuesfor U238 thermonuclear fission from one minute to one week.Exposure rate values in the figure are multiplied by time to reducethe number of decades which must be portrayed. Also, in a semi-logplot of the product of time and exposure rate versus time, the areaunder the curve is proportional to the time-integral exposure forany given time begment.

Figure 4-1 shows the stark contrast between early time doseaccumulation as portrayed using the old and upgraded versions ofDELFIC. It also illustrates the decrease in dose accumulation ofthe upgrade relative to the old DELFIC in the vicinity of one day.

23

Page 34: DELFIC Fallout Prediction Code Radiation Physics DTIC

table 4-1. Fallout activity and exposure rates, U238

thermonuclear fission.

Time CuriesplJ

(hrs) Old Upgrade Diff.4

min 1.6671-02 3.278E+10 3.3653+10 2.65%qtr hr 2.5002-01 2.1171+09 1.9782+09 -6.57thr 1.0003+00 4.391Z+08 4.326E+08 -1.48tday 2.4C03+01 1.3322+07 1.2983+07 -2.55tweek 1.680Z+02 1.3442+06 1.3073+06 -2.75t

Time (R/hrX / CKT/n 21

(hre) Old Upgrade Diff.a

min 1.667E-02 1.3362+11 7.5731+11 466.84%qtr hr 2.5001-01 2.3652+10 3.5913+10 51.84%hr 1.000E+00 7.430R+09 8.4473+09 13.70%day 2.400E+01 1.3453+08 1.0869+08 -19.31%week 1.680E+02 1.2142+07 1.1743+07 -3.29%

a. Difference - (Upqrade-Old)/Old*100%

Table 4-2. Fallout activity and exposure rates, U235

fast fission.

Time _Curis/IT

(hra) Old Upgrade Diff.0

min 1.6672-02 2.800S+10 2.764E+10 -1.29%qtr hr 2.5003-01 1.8702+09 1.690E+09 -9.63%hr 1.0033+00 4.2663+08 4.1853+08 -1.90%day 2.400E+01 1.3362+07 1.3073+07 -2.17%week 1.680E+02 1.3272+06 1.2903+06 -2.79%

Time (R/hrl / (XT/m 2 _

(hrs) Old Upgrade Diff.0

mnn 1.667E-02 1.4369+11 6.602E+11 359.75%qtr hr 2.5003-01 2.3313+10 3.159E+10 35.53Ihr 1.0002+00 7.9402+09 8.2142+09 3,45%day 2.400E+01 1.4832+08 1.1782+08 -20.53%week 1.680E+02 1.3282+07 1.271E+07 -4.26%

a. Difference - (Upgrade-Old)/Old*100t

24

Page 35: DELFIC Fallout Prediction Code Radiation Physics DTIC

Table 4-3. Fallout activity and exposure rates, U238

fast fission.

Time . L'uria/ZX¶

(hrs) Old Upgrade Diff.a

min 1.667E-02 3.549E+10 3.658R+10 3.074qtr hr 2.500R-01 2.070Z+09 1.9101+09 -7.734hr 1.0002+00 4.605E+08 4.6292+08 0.524day 2.4002+01 1.3871+07 1.3761+07 -0.79%week 1.680E+02 1.3892+06 1.3792+06 -0.72%

Time (R/hrI/(l•/ __I

(hrs) Old Upgrade Diff."

min 1.6671-02 1.4402+11 8.461E+11 487.57%qtr hr 2.5002-01 2.3541+10 3.604E+10 53.11%hr 1.0002+00 8.2991+09 9.276R+09 11.77%day 2.4001+01 1.4601+08 1.1751+08 -19.51%week 1.680E+02 1.2942+07 1.2521+07 -3.234

a. Difference - (Ulpgrade-Old)/Old*1004

table 4-4. Fallout activity and exposure rates, Pu239

fast fission.

Time Curies/4T.

(hrs) Old Upgrade Diff.8

min 1.667E-02 2.747E+10 2.7642+10 0.62%qtr hr 2.500E-01 1.830E+09 1.6501+09 -9.84%hr 1.000E+00 4.1591+08 4.089E+08 -1.68%day 2.4001+01 1.3071+07 1.2672+07 -3.06%week 1.680E+02 1.336E+06 1.291E+06 -3.37%

Time f (R/hrI/I(T/m21 I

(hrs) Old Upgrade Diff.'

min 1.667E-02 1.0171+11 6.0332+11 493.22%qtr hr 2.5002-01 1.9491+10 2.933E+10 50.45%hr 1.000E+00 6.8711+09 8.1181+09 18.15%day 2.400E+01 1.3391+08 1.0991+08 -17.96%week 1.680Z+02 1.293Z+07 1.2482+07 -3.46%

a. Difference - (Upqrade-Old)/Old*1004

25

Page 36: DELFIC Fallout Prediction Code Radiation Physics DTIC

SECTION 5M lwRNNCUS

1. H.G. Norment, DXLFIC: Department of Defense FalloutPrediction System, DNA5159F, Atmospheric Science Associates,1979.

2. J.T. McGahan, Science Applications International Corporation,Private Communication to E.J. Swick, SAIC, March 1992.

3. H.G. Norment, DIlM-It An Analytical Fallout Prediction Modeland Code, DNA6168F, Atmospheric Science Associates, 1981.

4. P.W. Wong and H. Lee, UtilLsation of the 533R Fallout Model ina Damage Asessmaent Computer Program, DNA3608F, StanfordResearch Institute, February 197S.

5. E.J. Swick, et al, CIVIC, Installation Damage and Casualtyassessment Program, SAIC-91/1028, Science ApplicationsInternational Corporation, 1991.

6. E.J. Swick, et al, Fallout Assessment System (PAS), User'sGuide and Maintenanoe Manual, SAIC-91/1029, ScienceApplications International Corporation, 1991.

7. G.E. Pugh and P.J. Galiano, An Analytical Model for Close-InOperational-Type Studies, WSEG RM No. 10, Weapon SystemEvaluation Group, October 1959.

3. P.F. Rose and C.L. Dunford, Eds., 3XDF-102 Data Formats andProcedures for the Nvaluated Nuclear Data File, ZIDW-6, BNL-NCS 44945, Rev. 10/91, Brookhaven National Laboratory, 1990.

9. W.W. Engle, Jr., A User's Manual for ANION - A One-DimsensionalDiscrete Ordinates Transport Code With Isotropic scattering,K-1693, Oak Ridge Gaseous Diffusion Plant, 1967.

10. R.W. Roussin, PVC-34 Group, P , Photon Interaction Crosssections for 35 Materials in AbNIM Format, DLC--48, Oak Ridge

National Laboratory, 1977.

11. S.D. Egbert, D.C. Kaul, J. Klemm and J.C. Phillips, FIIDOS-ACamputer Code for the Computation of Fallout Inhalation andIngestion Dose to Organs, Computer User's Guide, DNA-TR-84-375, Science Applications International Corporation, 1985.

26

Page 37: DELFIC Fallout Prediction Code Radiation Physics DTIC

APPENDIX ADBCRT CONUTh•NSlD UK 11'a

This appendix contains a listing of all the decay constalesand exposure rate multipliers (E]M's) in the original DELFIC and inthe upgraded version of the code.

27

Page 38: DELFIC Fallout Prediction Code Radiation Physics DTIC

Table A-1. DELFIC original and upgrade decay constants andexposure rate multipliers, 72 : Mass No. _S 77.

At. Decay Constant (sec"-) ERM (R/hr/KT/1n 2 )Ht~j Nucide Original 22grade Oggi Ung~ad72 27-co-72 6.93E+01 5.610261+00 1.306179-0572 28-ni-72 1.98E-01 1.80950E-01 4.16928E-0672 29-cu-72 6.93E-02 1.06817E-01 1.07628E-0572 30-zn-72 4.14E-06 4.14066E-06 8.40E-07 8.70428E-0772 31-ga-72 1.37E-05 1.36554E-05 1.17E-05 1.17032E-0572 32-ge-72 0.00E+00 0.000001+00 0.00000E+00

73 27-co-73 6.93E+01 5.374071+00 1.06583E-0573 28-ni-73 3.47E-01 1.41288E+00 6.20690E-0673 29-cu-73 9.901-02 1.355505-01 3.39603E-0673 30-zn-73 5.78E-03 2.949561-02 5.37095E-0673 31-ga-73 4. 01E-05 3.961751-05 1.89E-06 1.76594E-0673.1 32-ge-73m 1.31E+00 1.389071+00 7.79E-08 8.02508E-0873 32-ge-73 0. OOE+0 0.00000E+00 0.000OOE+00

74 27-co-74 6.93E+01 7.537241+00 1.77638E-0574 28-ni-74 4.621-01 7.70035E-01 5.20376E-0674 29-cu-74 1.73E-01 1.06937E+00 1.13898E-0574 30-zn-74 2.57E-03 7.22028E-03 3.65E-06 4.38871E-0674 31-ga-74 1.48E-03 1.42272E-03 1.80E-05 1.27482E-0574 32-ge-74 0.00E+00 0. 00000+00 0.00000S+00

75 27-co-75 6.93E+01 8.48852E+00 1.28527E-0575 28-ni-75 6.93E+01 2.99830E+00 8.24451E-0675 29-cu-75 2.772-01 7.47441E-01 4.40961E-0675 30-zn-75 7.30E-02 6.79556E-02 8.39080E-0675 31-ga-75 5.78E-03 5.50117E-03 1.75549E-0675.1 32-qe-75m 1.41E-02 1.45314E-02 3.03E-07 2.99896E-0775 32-ge-75 1.41E-04 1.39556E-04 1.99E-07 1.83908E-0775 33-as-75 0.00E+00 0.00000E+00 0.O0000E+00

76 28-ni-76 6.93E+01 2.27590E+00 6.29049E-0676 29-cu-76 3.47E-01 2.66339E+00 1.22257E-0576 30-zn-76 8.66E-02 1.23776E-01 3.64681E-0676 31-ga-76 2.31E-02 2.12622E-02 1.12853E-0576 32-ge-76 0. OOE+00 0.00000E+00 0.00000E+0076 33-as-76 7.27E-06 7.31538E-06 2. lOE-06 2.06897E-0676 34-50-76 0.00E+00 0.00000E+00 0.O0000E+00

77 28-ni-77 6.93E+01 6.709391+00 1.08673E-0577 29-cu-77 4.62E-01 2.270981+00 5.71578E-0677 30-zn-77 1.98E-01 3.33244E-03 8.07732E-0677 31-ga-77 4.62E-02 5.25112E-02 3.52142E-0677.1 32-ge-77m 1.28E-02 1.31030E-02 4.04E-07 3.43783E-0777 32-ge-77 1.70E-05 1.70390E-05 5.74E-06 5.06792E-0677 33-as-77 4.98E-06 4.95856E-06 5.53E-08 3.92894E-0877 34-se-77 0.00E+00 0.O0000E+00 0.0000OE+00

28

- ,--..--.-

Page 39: DELFIC Fallout Prediction Code Radiation Physics DTIC

Table A-2. DELFIC original and upgrade decay constants andexposure rate multipliers, 78 < Mass No. S 62.

At. Decay Constant (see 1 ) WX (J/hr/KT/m2)

78 28-ni-78 6.93Z+01 5.25948E+00 7.304088-0678 29-cu-78 6.931+01 5.880611+00 1.35841E-0578 30-zn-78 2.771-01 4.715291-01 7.16823E-0678 31-ga-78 8.663-02 1.36178E-01 1.09718E-0578 32-ge-78 9.171-05 1.31278E-04 2.43E-06 1.462902-N678.1 33-as-78m 1.932-03 1.925411-03 2.711-06 0.00003+078 33-an-78 1.273-04 1.273703-04 4.28E-06 6.217352-0678 34-se-78 0.003+00 0.000001+00 0.00000]+00

79 29-cu-79 6.93E+01 5.132141+00 7.06374Z-0679 30-zn-79 4.623-01 6.931471-01 1.086733-0579 31-ga-79 1.54E-01 2.31049E-01 8.45350%-0679 32-ge-79 2.773-02 3.62904Z-02 1.828633-0679 33-as-79 1.28E-03 1.28218E-03 1.44201E-0779.1 34-se-79m 2.973-03 2.95459E-03 1.04E-07 3.13480E-0779 34-se-79 3.663-13 6.656041-13 O.00000E+0079 35-br-79 0. O+00 0.000001+00 0.000001+w0

80 29-cu-80 6.93E+01 7.712181+00 1.452463-0580 30-zn-80 4.621-01 1.28361E+00 5.21421E-0680 31-ga-80 2.313-01 4.17559E-01 1.48380E-0580 32-ge-80 2.779-02 2.349651-02 2.821323-0680 33-as-80 1.93E-02 4.560182-02 3.657261-06so 34-se-80 0. OOE+00 0.000001+00 0.00000Z+00

81 29-cu-81 6.93E+01 9.34047E+00 1.149433-0581 30-zn-81 6.93E+01 5.64682E+00 9.46708E-0681 31-ga-81 3.473-01 5.63534E-01 9.25810E-0681 32-ge-81 9.90E-02 9.12036E-02 3.62591E-0681 33-as-81 2.10E-02 2.08152E-02 1.10763E-0681.1 34-se-Sim 2.03E-04 2.01790E-04 1.15E-07 3.19749E-0781 34-se-81 6.42E-04 6.26149E-04 3.08255E-0881 35-br-Si 0.00E+00 O.00000E+00 O.O0000E+00

82 30-zn-82 6.93E+01 5.46819E+00 8.27586E-0682 31-ga-82 4.62E-01 1.155252+00 1.36886E-0582 32-ge-82 1.39E-01 1.50684E-01 3.60502E-0682 33-as-82 3.85E-02 3.62904E-02 4.169285-0682 34-se-82 0.001+00 0.00000E+00 O.00000E+0082 35-br-82 5.36E-06 5.45442E-06 1.43E-05 1.28527E-0582 36-kr-82 0. OOE+00 0.00000E+00 O. 00OOE+00

29

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Table A-3. DELFIC original and upgrade decay constants andexposure rate multipliers, 83 < Mass No. < 87.

At. Decay Constant (sec"1 ) MRM (R/hr/KT/m2 )

83 30-zn-83 6.93E+01 8.28737E+00 1.35841X-0583 31-ga-83 6.93E+01 2.23596E+00 1.30617E-0583 32-ge-83 3.47E-01 3.648142-01 9.31034E-0683 33-as-83 9.90E-02 i.17274E-02 1.21212E-0583.1 34-se-83m 1.00E-02 9.88798E-03 6.66E-07 4.29467E-0683 34-se-83 4.62E-04 S.180472-04 1.49E-05 1.201672-0583 35-br-83 8.02E-05 8.02254E-05 2.77E-07 3.563222-0883.1 36-kr-83m 1.01E-04 1.052142-04 2.32E-07 1.14943E-0783 36-kr-83 0.00E+00 0.000002+00 0.00000E+00

84 31-ga-84 6.93E+01 7.04575E+00 1. 515252-0584 32-ge-84 4.62E-01 5.77623E-01 1.03344E-0584 33-as-84 1.73E-01 1.26027E-01 6.52038E-0684 34-se-84 3.85E-03 3.61014E-03 2.25705E-0684 35-br-84 3.61E-04 3.63285E-04 9.17E-06 6.96970E-0684 36-kr-84 0.00E+00 0.00000E+00 0.00000E+00

85 31-ga-85 6.93E+01 7.97005E+00 1.46290E-0585 32-ge-85 6.93E-01 2.77303E+00 1.18077E-0585 33-as-85 1.612+00 3.417892-01 1.00313E-0585 34-se-85 1.73E-02 2.18658E-02 8.516202-0685 35-br-85 3.85E-03 4.025242-03 3.13480E-0785.1 36-kr-85m 4.38E-05 4.29779E-05 9.09E-07 8.693832-0785 36-kr-85 2.07E-09 2.04897E-09 2.77E-08 1. 15987E-0885 37-rb-85 0.00E+00 0.00000E+00 0.00000E+00

86 32-ge-86 6.93E+01 2.80899E+00 1.05538E-0586 33-as-86 3.47E-01 7.70164E-01 1.27482E-0586 34-se-86 4.33E-02 4.53037E-02 8.76698E-0686 35-br-86 1.16E-02 1.25798E-02 1.24347E-0586 36-kr-86 0.00E+00 0.000002+00 0.00000E+0086.1 37-rb-86m 1. 11E-02 1.13593E-02 2.99E-06 4.17973E-0786 37-rb-86 4.3 IE-07 4.306011-07 4.75E-07 2.831772-0686 38-sr-86 0.00E+00 0.000002+00 0.0003OE+00

87 32-ge-87 6.93E+01 5.17544E+00 1.29572E-0587 33-as-87 4.62E-01 2.310492+00 1.13898E-0587 34-se-87 4.33E-02 1.23776E-01 1.05538E-0587 35-br-87 1.27E-02 1.24465E-02 1.20167E-0587 36-kr-87 1.48E-04 1.51388E-04 4.10E-06 3.34378E-0687 37-rb-87 1.00E-15 4.57604E-19 0.00000E+0087 38-sr-87 0.00E+00 0.00002E+00 0.OOOOOE+00

30

Page 41: DELFIC Fallout Prediction Code Radiation Physics DTIC

Table 1-4. DELFIC original and upgrade decay constants andexposure rate multipliers, 88 1, Mass No. 1 92.

At. Decay Constant (sec") ERN (R/hr/]KT/m 2 )Nt u NiadU Orianal Ungarado Oii~ U~grade

s8 32-ge-88 6.93E+01 5.37323E+00 1.15987E-0588 33-as-88 6.93E+01 5.14090E+00 1.44201E-0588 34-se-88 2.77E-01 4.62098E-01 8.77743E-0688 35-br-88 4.25E-02 4.20089E-02 1.18077E-0588 36-kr-88 6.88E-05 6.77961E-05 7.68E-06 7.87879E-0688 37-rb-88 6.42E-04 6.49744E-04 3.12E-06 2.65413E-0688 38-sr-88 0.003+00 0.00000E+00 0.00000B+00

89 33-as-89 6.93E+01 5.71668E+00 1.138983-0589 34-se-89 3.47E-01 1.69060E+00 7.25183E-0689 35-br-89 1.58E-01 1.58615E-01 1.21212E-0589 36-kr-89 3.61E-03 3.64431E-03 1.69E-05 7.63845E-0689 37-rb-89 7.50E-04 7.60030E-04 1.10E-05 8.75653E-0689 38-sr-89 1.59E-07 1.58705E-07 0.00000E+0089.1 39-y-89m 4.33E-02 4.31598E-02 4.43051E-0689 39-y-89 0.00E+00 0.00000E+00 0.00000E+00

90 33-as-90 6.94E+01 7.60730E+00 1.44201E-0590 34-se-90 6.93E+01 1.62250E+00 1.08673E-0590 35-br-90 4.33E-01 3.61014E-01 1.23302E-0590 36-kr-90 2. lOE-02 2.14464E-02 8.99E-06 5.56949E-0690 37-rb-90 4.28E-03 4.53037---03 7.71160E-0690 38-sr-90 7.84E-10 7.80284E-10 0.00000E+0090 39-y-90 2.99E-06 3.00376E-06 9.86416E-1190 40-zr-90 0.00E+00 0.00000E+00 0.O0000E+00

91 34-se-91 6.93E+01 2.56721E+00 1.128533-0591 35-br-91 3.47E-01 1.155251+00 8.08777E-0691 36-kr-91 6.93E-02 8.08807E-02 7.27273E-0691 37-rb-91 9.63E-03 1.18690E-02 8.48485E-0691 38-sr-91 1. 98E-05 2.02249E-05 4.18E-06 3.32288E-0691.1 39-y-91m 2.3 1E-04 2.32397E-04 2.82E-06 2.75862E-0691 39-y-91 1. 38E-07 1,37114E-07 1.73E-08 1.61964E-0891 40-zr-91 0.00E+00 0.00000E+00 0.O0000E+00

92 34-se-92 6.93E+01 4.12122E+00 8.73563E-0692 35-br-92 4.62E-Cl 1.899033+00 1.10763E-0592 36-kr-92 2.31E-01 3.74674E-01 6.63532E-0692 37-rb-92 1. 31E-01 1.54033E-01 1.75549E-0692 38-sr-92 7.13E-05 7.10483E-05 5.88E-06 6.05016E-0692 39-y-92 5.35E-05 5.43901E-05 1.22E-06 1.21212E-0692 40-zr-92 0.00E+00 0.00000E+00 0.O0000E+00

31

Page 42: DELFIC Fallout Prediction Code Radiation Physics DTIC

Table A-S. DELFIC original and upgrade decay constants andexposure rate multipliers, 93 S Mass No. < 97.

At. Decay Constant (sec 1) ERN (R/hr/IKT/mI)If, uci±da original ilpg~ad orgna grnad

93 34-se-93 6.93E+01 7.163052+00 1.462902-0593 35-br-93 6.93E+01 3.93208E+00 1.32706E-0593 36-kr-93 3.47E-01 5.37323E-01 9.19540E-0693 37-rb-93 1.24E-01 1.21605E-01 5.16196E-0693 38-sr-93 1.44E-03 1.55631E-03 1.14E-06 1.03553E-0593 39-y-93 1.93E-05 1.90635E-05 4.88E-07 4.04389E-0793 40-zr-93 2.31E-14 1.435622-14 0.00000+0093.1 41-nb-93m 5.94E-09 1.36175E-09 1.662-07 1.06583E-0793 41-nb-93 0.003+00 O.O0000E+00 0.0004OE+00

94 35-br-94 6.93E+01 6.25584E+00 1.57785E-0594 36-kr-94 4.95E-01 3.30070E+00 6.19645E-0694 37-rb-94 2.31E-01 2.56531E-01 1.66144E-0594 38-sr-94 8.89E-03 9.21738E-03 6.43678E-0694 39-y-94 5.78E-04 6.17778E-04 3.48E-06 3.63636E-0694 40-zr-94 0.00E+00 O.000003+00 0.0OOE+00

95 35-br-95 6.93E+01 6.48528E+00 1.31661E-0595 36-kr-95 6.93E+01 8.88650E-01 1.24347E3-0595 37-rb-95 ;.47E-01 1.80507E+00 1.36886E-0595 38-sr-95 1.73E-02 2.76154E-02 8.03553E-0695 39-y-95 1.16E-03 1.10023E-03 4.96343E-0695 40-zr-95 1.23E-07 1.25313E-07 3.78E-06 3.59457E-0695.1 41-nb-95m 2.14E-06 2.22231E-06 1.33E-06 7.15778E-07

41-nb-95 2.29E-07 2.29412E-07 3.91E-06 3.76176E-0695 42-mo-95 0. OOE+00 O.O0000E+00 0.00000E+00

96 35-br-96 6.93E+01 7.80439E+00 1.58830Z-0596 36-kr-96 6.93E+01 2.36488E+00 6.33229E-0696 37-rb-96 6.93E-01 3.48315E+00 1.87043E-0596 38-sr-96 2.77E-01 6.53912E-01 6.10240E-0696.1 39-y-96m 5.02E-03 7.22028E-02 1.77638E-0596 40-zr-96 0. OOE+00 0.O0000F 00 O.00000E+0096 41-nb-96 8.37E-06 8.24586E-06 1.15E-05 1.19122E-0596 42-mo-96 0.OOE+00 O.00003E+00 0.00003E+00

97 36-kr-97 6.93E+01 6.93147E+00 1.065833-0597 37-rb-97 6,93E+01 4.03462E+00 1.84953E-0597 38-sr-97 4.62E-01 1.65035E+00 9.62382E-0697.1 39-y-97m 1.39E-01 5.63534E-01 1.56740E-0597 40-zr-97 1.13E-05 1.13930E-05 2.38E-07 9.08046E-0797.1 41-nb-97m 1. 16E-02 1.15525E-02 3.82E-06 3.59457E-0697 41-nb-97 1. 58E-04 1.60228E-04 3.50E-06 3.43783E-0697 42-so-97 0. OOE+0 0.O0000E+00 O.O0000E+00

32

I i

Page 43: DELFIC Fallout Prediction Code Radiation Physics DTIC

Table 1-6. DELFIC original and upgrade decay constants andexposure rate multipliers, 98 1 Mass No. 1 102.

At. Decay Constant (sec"1 ) EM (R/hr lKT/a 2 )t., Nu a original UpraS 2oriainal

98 36-kr-98 6.93E+01 4.32595E+00 7.28318-0698 37-rb-o98 6.93E+01 6.08024E+00 1.040750-M98 38-sr-98 6.93E-01 1.06638E+00 5.548598-0698.1 39-y-98m 2.77E-01 3.46574E-01 1.38970-M98 40-zr-98 1.16E-02 2.25781E-02 8.39080U-0798.1 41-nb-98m 2.27Z-04 2.25194E-04 1.264373-0598 41-nb-98 5.783-03 2.423593-01 5.057473-0698 42-mo-98 0.00E+00 0.00000E+00 0.000000

99 37-rb-99 6.93E+01 1.17483E+01 9.571580-0699 38-sr-99 6.933-01 2.55774E+00 1.07628-M599 39-y-99 4.62E-01 4.715293-01 6.1e5O-0699 40-zr-99 4.333-01 3.30070E-01 5.6530GE-0699.1 41-nb-99m 5.02E-03 4.44325E-03 7.10554-0699 42-5o-99 2.90E-06 2.91994E-06 6.58E-07 1.421123-0699.1 43-tc-99m 3.21E-05 3.20368E-05 7.45E-07 7.22644Z-0799 43-tc-99 1.05E-13 1.04050E-13 8.004280-1299 44-ru-99 0.00E+00 0.00000E+00 0.0000060

100 38-sr-100 6.93E+01 3.43142E+00 5.830728-06100 39-y-100 4.62E-01 9.43057E-01 9.770122-06100 40-zr-100 1.98E-01 9.76264E-02 3.490073-06100 41-nb-100 3.85E-03 4.62098E-01 3.35423E-06100 42-mo-100 0.00E+00 0.00000E+00 0.00000+00100 43-tc-100 4.33E-02 4.38701E-02 6.07E-06 4.17973B-07100 44-ru-i00 0.00E+00 0.000003+00 0.0000C00

101 38-sr-101 6.93E+01 3.570163+00 9.7701.2-06101 39-y-101 6.93E-01 1.38629E+00 5.80982E-06101 40-zr-101 2.77E-01 3.465743-01 4.48276D-06101 41-nb-101 1.16E-02 9.762643-02 3.32243B-06101 42-mo-101 7.91E-04 7.91264E-04 7.92E-06 6.91745D-06101 43-tc-101 8.25E-04 8.135533-04 1.93E-06 1.807732-06101 44-ru-101 0.00E+00 0.00000E+00 0.0O000I+00

102 38-sr-102 6.93E+01 2.41422E+00 6.43678D-06102 39-y-102 6.933+01 7.701643-01 1.337520-05102 40-zr-102 3.47E-01 2.39016E-01 3.458738-06102.1 41-nb-102mg.90E-02 1.611973-01 5.53814E-06102 42-mo-102 1.00E-03 1.02234E-03 2.560082-07102.1 43-tc-102W2.57E-03 2.65574Z-03 5.35E-06 1.128538-05102 43-tc-102 1.39E-01 1.31278E-01 4.73354B-06102 44-ru-102 0.00E+00 0.00000E+00 0.0000(E0)0

33

Page 44: DELFIC Fallout Prediction Code Radiation Physics DTIC

Table A-7. DELFIC original and upgrade decay constants andexposure rate multipliers, 103 _ Mass No. . 106.

At. Decay Constant (sac") EM (R/hr/KT/ 2 )k. original Ugrads

103 39-y-103 6.933+01 2.661753+00 7.377206103 40-zr-103 4.62Z-01 5.331903-01 5.809629-06103 41-uib-103 1.73E-01 4.620986-01 4.232973-*6103 42-mo-103 2.773-02 1.02688E-02 4.294678-06103 43-tc-103 9.633-03 1.278871-02 2.89303-06103 44-ru-103 2.02Z-07 2.043443-07 2.612-06 2.570533-06103.1 45-rh-103r, 2.033-04 2.058533-04 3.9060•-•103 45-rh-103 0.003+00 0.00000+00 1.223-07 0.000M0F0

104 39-y-104 6.93E+01 5.40466E+00 1.296721-0104 40-zr-104 6.93E+01 2.69414E-01 4.0342-06104 41-nb-104 2.31E-01 1.444062-01 1.264373Z-104 42-mo-104 4.62E-03 1.15525E-02 4.493213-06104 43-tc-104 6.42E-04 6.312823-04 9.75967B-06104 44-rU-104 0.OOE+00 O.00000E+00 O.0000m0X104.1 45-rh-104a 2.633-03 2.66186Z-03 2.15E-07 5.297819-07104 45-rh-104 1.652-02 1.638653-02 3.003-06 6.68757Z-08104 46-pd-104 0.00E+00 0.000003+00 0.0000(0M

105 39-y-105 6.933+01 4.719143+00 8.6729B-06105 40-zr-105 6.93E+01 1.407033+00 6.823413-06105 41-nb-105 3.47E-01 2.34965E-01 5.7575-06105 42-so-105 5.78E-03 1.947043-02 6.36364B-06105 43-tc-105 1.28Z-03 1.520063-03 3.78265-06105 44-ru-105 4.38E-05 4.33651Z-05 3.883-06 3.730413-06105.1 45-rh-105l 1.823-02 1.54033Z-02 4.17E-07 3.42738-07105 45-rh-105 5.353-06 5.44516Z-06 1.752-07 4.1692W-u7105 46-pd-105 0.OOE+00 0.O00000+00 0.000<00M

106 39-y-106 6.93E+01 7.75090E+00 1.42113-05106 40-zr-106 6.93E+01 7.641443-01 4.754443-06106 41-nb-106 4.62E-01 6.931473-01 9.383492-06106 42-so-106 1.733-01 8.251753-02 3.69900-6106 43-tc-106 7.70Z-02 1.92541E-02 1.12853-05106 44-ru-106 2.20E-08 2.15897Z-08 0.00000&w106.1 45-rh-106m 8.75E-05 8.886503-05 8.68Z-06 1.35642•-05106 45-rh-106 2.313-02 2.326003-02 1.48Z-06 1.04l8O-6106 46-pd-106 0.003+00 O.000003+00 0.0000mm0

34

Page 45: DELFIC Fallout Prediction Code Radiation Physics DTIC

Table A-$. DELFIC original and upgrade decay constants andexposure rate multipliers, 107 1 Mass No. S 110.

At. Decay Constant (sa"c) EM (R/hr/KT/al)ML Nlide Original Ungxada Q2±Jila~ MMgAds

107 40-zr-107 6.93E+01 2.853043+00 8.3176D-06107 41-nb-107 6.932-01 9.048333-01 7.1891.B-06107 42-mo-107 2.773-01 1.98042Z-01 5.8725-06107 43-tc-107 1.163-02 3.26956Z-02 6.781611-06107 44-ru-107 2.513-03 3.08065Z-03 1.223-06 2.946723-06107.1 45-rh-107m 1.54Z-02 1.54033Z-02 1.743-06 O.00ODao107 45-rh-107 5.253-04 5.32371Z-04 1.6049-06107 46-pd-107 3.14Z-15 3.37923Z-15 0.0000X40I107 47-ag-107 0.00E+00 0.00000E+00 0.00000B)0

108 40-zr-108 6.933+01 1.83338E+00 5.621730-06108 41-nb-108 6.93E+01 2.860703+00 1.12853B-05108 42-mo-108 3.47Z-01 4.62098Z-01 5.50679-06108 43-tc-108 1.163-02 1.340713-01 1.2330-05108 44-ru-108 2.69E-03 2.539003-03 2.65E-07 3.281O-07108 45-rh-108 3.853-02 4.12588Z-02 2.36Z-06 5.36•0M-06108 0.003+00 0.000003+00 0.0000+0W0

109 40-zr-109 6.93E+01 5.332723+00 9.9373(-06109 41-nb-109 6.933+01 2.197893+00 8.65204B-M109 42-mo-109 4.62E-01 4.921173-01 7.5966D-06109 43-tc-109 2.772-01 4.95105E-01 4.76489E-06109.1 44-ru-109m 4.333-02 5.331903-02 5.47544B-06109.1 45-rh-109m 1.39E-02 1.386293-02 6.37Z-07 0.00000+W109 45-rh-109 2.31Z-02 8.66434E-03 1.70690-M109.1 46-pd-109m 2.46E-03 2.46321Z-03 6.912-07 6.854750-07109 46-pd-109 1.383-05 1.405413-05 1.693-07 3.364600-M109.1 47-ag-109m 1.78E-02 1.75037Z-02 8.053-08 2.0896-07109 47-ag-109 0.OOE+00 0.000003+00 0.000000+00

110 41-nb-110 6.93E+01 5.34053E+00 1.31662B-05110 42-mo-110 6.933-01 2.50044E-01 5.266468-06110 43-tc-110 3.473-01 8.35117E-01 8.19227B-06110 44-ru-110 6.93E-02 4.62098E-02 3.06165-06110 45-rh-110 1.39E-01 2.19350E-01 4.5559aF-06110 46-pd-11 0.00E+00 0.000003+00 0.0000400

35

Page 46: DELFIC Fallout Prediction Code Radiation Physics DTIC

Table 1-9. DELFIC original and upgrade decay constants andexposure rat* multipliers, 111 _ Mass No. S 115.

At. Decay Constant (sec") ERM (R/hr/KT/n 2)NtL Nuclide original =grade original Ugr1111 41-nb-111 6.931+01 4.033913+00 9.58U206111 42-no-111 6.931+01 1.48626E+00 9.37304D-06111 43-to-111 4.623-01 3.49651E-01 6.23375-06111 44-ru-i11 1.732-01 4.33217E-01 4.24242B-0111 45-rh-111 5.78E-02 6.30134E-02 4.37827&6111.1 46-pd-Illm 3.50E-05 3.50074E-05 3.40E-07 1.89133B-06111 46-pd-111 5.021-04 4.936951-04 8.901-07 2.204813-07111.1 47-ag-Illm 9.373-03 1.06967Z-02 3.771-07 1.2330-07111 47-ag-ill 1.06E-06 1.07685E-06 1.31E-07 1.421213-07111 48-cd-111 O.00E+00 0,000003+00 O.O000g400

112 42-mo-112 6.931+01 7.10651E-01 5.956128-06112 43-tc-112 4.62E-01 1.606891+00 1.02403B-05112 44-ru-112 2.31E-01 1.92541Z-01 3.55277B-06112 45-rh-112 9.902-02 4.62098E-01 4.49322B-06112 46-1d-112 9.173-06 9.14901E-06 1.25E-07 2.810)73-0112 47-a8-112 6.023-05 6.131881-05 3.24E-06 3.176592-M112 48-cd-112 0.00.+00 0.00000E+00 0.0000GO00

113 42-mo-113 6.93E+01 3.03134E+00 1.0553OD-0113 43-tc-113 6.933+01 1.06249E+00 7.1786D-06113 44-ru-113 3.473-01 2.310491-01 5.820279-06113 45-rh-113 1.733-01 7.701642-01 3.68862F-06113 46-pd-113 8.253-03 7.453201-03 3.0U.99-06113.1 47-ag-113m 9.631-03 1#00895E-02 6.3949D-07113 47-ag-113 3.632-05 3.585491-05 3.7L9965-M113 48-cd-113 0.00+00 2.361831-24 O.0000oeO0

114 42-3o-114 6.933+01 1.84030E+00 6.635322-06114 43-tc-114 6.931+01 3.42701E+00 1.17032-0114 44-ru-114 4.62E-01 8.51898E-02 3.97074-06114 45-rh-114 2.31E-01 4.07734E-01 6.687573.0114 46-pd-114 4.813-03 4.715293-03 4.4827B-07114 47-ag-114 1.393-01 1.50684E-01 9.2058-07114 48-cd-114 O.OOE+00 O.O0000E+00 O.OOOCB+00

115 43-tc-115 6.93Z+01 2.563139+00 8.192270-06115 44-ru-115 6.933-01 7.890661-0i 7.147340-06115 45-rh-115 2.77Z-01 8.33570E-02 4.472313-06115 46-pd-115 1.54E-02 1.82407E-02 5.64263b-06115.1 47-ag-liSm 3.473-02 3.850821-02 4.35737B-06115 47-ag-115 5.503-04 5.77623Z-04 2.12561HM115.1 48-cd-115m 1.87E-07 1.79878E-07 1.77E-07 1.56740-07115 48-cd-115 3.633-06 3.60159E-06 1.042-06 1.01567B.06115.1 49-in-llSm 4.273-05 4.29204E-05 1.02E-06 1.032390-06115 49-in-115 1.003-15 4.98072E-23 0.0000G400115 50-sn-115 0.00E+00 0.000001+00 0.00000•B0

36

Page 47: DELFIC Fallout Prediction Code Radiation Physics DTIC

table 1-10. DELFIC original and upqMade decay constants andexposure rate multipliers, 116 1 Kass No. : 120.

At. Decay Constant (sec"1 ) IRM (R/hr/KT/u2 )s Nuclide Original Ugina

116 43-tc-116 6.93E+01 6.001793+00 1.2V2±3-05116 44-ru-116 6.932+01 4.076383-01 4.399165-06116 45-rh-116 3.472-01 7.302513-01 8.2032E-06116 46-pd-116 6.933-02 5.44927Z-02 3.1239006116.1 47-ag-116= 4.623-03 6.664883-02 6.432-06 1.24347-05116 48-cd-116 0.003+00 0.000003+00 0.00000400

117 43-tc-117 6.932+01 4.56739E+00 8.9087D-06117 44-ru-117 6.931+01 2.022193+00 7.7117 45-rh-117 4.62Z-01 5.693672-01 5.42320-06117 46-pd-117 1.393-01 1.38629Z-01 4.5872r-06117 47-ag-il? 1.053-02 9.521252-03 5.39185-06117.1 48-cd-117m 6.42Z-05 5.730383-05 7.08E-06 8.829230-06117 48-cd-il7 2.31Z-04 7.732573-05 4.97388-06117.1 49-in-117m 9.63Z-05 9.91627Z-05 5.253-07 5.82027D-07117 49-in-117 2.573-04 2.6375532-04 3.85E-06 3.213-06117.1 50-sn-117m 5.73E-07 5.89892E-07 1.223-06 1.170329-06117 50-sn-117 0.003+00 0.000003+00 0.000000+0

118 44-ru-118 6.933+01 1.046503+00 4.80669-06118 45-rh-118 4.62Z-01 2.195943+00 9.01776D-06118 46-pd-118 1.543-01 2.23596E-01 3.4693E-06118.1 47-ag-l18m 2.773-02 3.46574Z-01 6.802512-0118 48-cd-118 2.31Z-04 2.296713-04 1.6092CE-07118.1 49-in-118ml 2.573-03 2.596063-03 1.163-06 1.253920-05118 49-in-118 1.392-01 1.386293-01 3.51097B-07118 50-sn-118 0.003+00 0.000002+CO 0.0000C*00

119 44-ru-119 6.93E+01 3.55551E+00 8.631143-06119 45-rh-119 4.623-01 1.489293+00 6.1651C-O6119 46-pd-119 2.31Z-01 3.94125E-01 5.35050-M119 47-ag-119 4.08Z-02 3.300703-01 7.7325CB-06119 48-cd-119 4.28E-03 4.294592-03 7.283180-%119.1 48-cd-119m 1.22Z-03 5.25112E-03 1.02612Z-05119.1 49-in-119= 6.423-04 6.418033-04 2.693-07 7.38767B-07119 49-in-119 5.78Z-03 4.81352E-03 4.073-06 3.8558CO-06119.1 50-sn-ligm 3.273-08 2.738072-08 1.473-07 2.789973-07119 50-sn-119 0.003+00 O.000003+00 0.00005OCW

120 45-rh-120 6.933+01 4.019183+00 1.004U1-05120 46-pd-120 3.473-01 1.774343-01 3.72996D-06120 47-aq-120 1.163-01 5.92433E-01 1.076280-05120 48-cd-120 9.633-04 1.36446E-02 2.713-06 6.62487Z-07120.1 49-in-120ml 1.39Z-02 1.50032E-02 1.264373-05120 50-sn-120 0.002+00 O.00000E+00 0.000000+00

37

Page 48: DELFIC Fallout Prediction Code Radiation Physics DTIC

Table -11. DELFIC original and upgrade decay constants andexposure rate multipliers, 121 _ mass No. 1 125.

At. Decay Constant (sec*') ERM (R/hrl/]KT/)NIL NM2UiA Original Riuuad original ~pR2Md

121 45-rh-121 6.93E+01 2.777483+00 6.9603.U-06121 46-pd-121 4.623-01 1.076872+00 6.38450-0121 47-ag-121 1.733-01 8.664342-01 3.369929-06121 48-cd-121 6.93Z-02 5.134423-02 8.27586-06121.1 49-in-121m 3.733-03 2.977443-03 4.69E-06 4.9738U-07121 49-in-121 2.312-02 3.00064Z-02 4.57680-06121.1 50-on-121a 8.793-10 3.993633-10 1.128530-07121 50-sn-121 7.133-06 7.115333-06 0.0000f00+0121 51-mb-121 0.003+00 0.000009+00 0.00000•_

122 46-pd-122 4.623-01 4.911763-01 4.06560-06122.1 47-ag-122m 2.31E-01 4.620983-01 1.03239B-01-122 48-cd-122 1.733-02 1.322803-01 2.26751-06122.1 49-in-122=1 1.54E-02 6.729583-02 1.128533-05122 50-sn-122 O.OOE+00 0.000003+00 0.000000+00122.1 51-sb-122a 2.782-03 2.74405Z-03 4.84E-07 8.106673-07122 51-sb-122 2.872-06 2.971313-06 2.02E-06 2.25705D-06122 52-te-122 O.OOE+00 0.000002+00 0.000000+00

123 46-pd-123 6.933+01 2.30734E+00 7.032320-M123 47-ag-123 2.773-01 1.77730E+00 7.293638-06123 48-cd-123 7.703-02 7.78380E-02 4.5977M8-06123.1 49-in-123m 1.932-02 1.450102-02 5.352-06 3.542320-7123 49-in-123 6.93Z-02 1.159113-01 4.973888-06123 50-sn-123 6.42E-08 6.209393-08 1.05E-07 3.09300-M123.1 50-sn-123m 2.823-04 2.882353-04 8.32E-07 7.951939-07123 51-sb-123 0.002+00 0.000001+00 0.000008*00

124 46-pd-124 6.933+01 1.348592+00 4.54545-06124 47-ag-124 3.47E-01 2.778373+00 9.32079-06124 48-cd-124 6.932-02 7.701643-01 2.727273-06124.1 49-Ln-124m 3.473-02 2.88811Z-01 1.75549B-05124 50-sn-124 0.OOE+00 0.O0000E+00 0.000008*0124.2 51-sb-124m2 5.503-04 5.719043-04 8.96E-06 2.04807B-11124.1 51-sb-124ml 8.89E-03 7.453202-03 2.2884CO-06124 51-sb-124 1.343-07 1.332653-07 8.3692B-06124 52-te-124 0.003+00 0.000003+00 0.00000XB00

125 47-ag-125 3.47E-01 2.078343+00 6.83386-06125 48-cd-125 1.39E-01 4.477693-01 5.40230.-06125.1 49-in-125m 4.623-02 5.681533-02 3.0522al-06125.1 50-sn-125m 1.193-03 1.21349Z-03 1.96E-06 1.89133B-06125 50-sn-125 6.53E-07 8.322133-07 3.98E-07 1.41066-06125 51-sb-125 8.132-09 8.045783-09 2.54E-06 2.50784B-06125.1 52-te-125m 1.383-07 1.3832OE-07 3.273-07 7.55486D-07125 52-te-125 O.OOE+00 0.00000E+00 0.000000+00

38

Page 49: DELFIC Fallout Prediction Code Radiation Physics DTIC

Table 1-12. DELFIC original and up•rade decay constants andexposure rate multipliers, 126 1 Mass No. 1 130.

At. Decay Constant (sec"1) ER (R/hr/KT/m2 )u clid oLrginal V durOgn Up="

126 47-ag-126 6.933+01 4.956723+00 1.18077B-05126 48-od-126 2.312-01 1.369863+00 3.29048-06126.1 49-in-126u 9.90E-02 4.62098E-01 1.06058385126 50-sn-126 1.103-13 2.196502-13 8.966429-07126.1 51-sb-126al 6.083-04 6.080243-04 9.39E-06 8.098222-06126 51-sb-126 6.423-07 6.469793-07 1.41066-05126 52-te-126 0.003+00 OO000001+00 0.0000#00

127 47-ag-127 6.933+01 3.954743+00 7.931038-06127 48-cd-127 4.621-01 1.212073+00 7.72205-06127.1 49-in-127? 2.313-01 1.843483-01 7.14734-06127 50-sn-127 8.563-05 9.168613-05 8.4639m-06127.1 50-sn-127m 2.753-03 2.797203-03 2.71E-06 4.409610-06117 51-sb-127 2.063-06 2.08378E-06 2.63E-06 3.42730-06127.1 52-te-127a 7.643-08 7.360133-08 5.142-07 2.35U110607127 52-te-127 2.073-05 2.05926Z-05 2.343-08 2.675033-08127 53-1-127 0.001+00 0.000001+00 0.000000+00

128 48-cd-128 6.933-01 6.581973-01 4.378273-06128 49-in-128 3.473-01 7.701643-01 1.2285-05128 50-sn-128 2.033-04 1.95473Z-04 2.393-06 3.900056-O128.1 51-sb-128a 1.05Z-03 1.11061E-03 9.28E-06 9.435749-06128 51-sb-128 2.242-05 2.136973-05 1.54650-05128 52-te-128 0.003+00 0,O0000E+00 0.0000O600128 53-1-128 4.623-04 4.622833-04 4.902-07 5.05747B-07128 54-xe-128 0.003+00 0.O00000+00 0.00000()00

129 48-cd-129 6.93E+01 2.320393+00 8.3594D-06129 49-in-129 4.62E-01 1.174831+00 8.7668-06129 50-sn-129 1.073-04 5.34836Z-03 7.01043-06129 51-sb-129 4.192-05 4.37593E-05 5.40E-06 6.45768-06129.1 52-te-129m 1.963-07 2.387663-07 1.83E-07 3.228841-07129 52-te-129 1.60E-04 1.65984Z-04 1-25E-06 4.06560-07129 53-1-129 1.37E-15 1.399043-15 5.09927B-07129.1 54-xe-129m 1.003-06 9.024231-07 4.303-07 9.320790-07129 54-xe-129 0.003+00 0.000003+00 0.000006*00

130 48-cd-130 6.933+01 1.45390E+00 5.15150206130 49-in-130 4.623-01 2.166083+00 1.41060-05130 50-sn-130 4.443-03 3.105501-03 5.22017B-06130.1 51-ob-130a 1.933-03 1.83372E-03 1.30617B-05130 51-sb-130 3.123-04 2.92467Z-04 1.609206-05130 52-te-130 0.OOE+00 0.O0000E+00 0.0000XB*00130 53-1-130 1.543-05 1.55777Z-05 7.84E-06 1.00673Z-05130 54-xe-130 0.OO+00 0.00000E+00 0.0300X060

39

Page 50: DELFIC Fallout Prediction Code Radiation Physics DTIC

Table 1-13. DELFIC original and upgrade decay constants andexposure rate multipliers, 131 S Mass No. 1 135.

At. Decay Constant (sec") ERM (R/hr/KT/m2 )Vt. Nucidi Or±ginAl UVrnda original =rada131 48-cd-131 6.93E+01 6.528653+00 1.249438-M131 49-in-131 6.933-01 2.567213+00 7.47122-06131.1 50-sn-131m 1.053-02 1.13259E-02 8.328119-M131 51-sb-131 5.951-04 5.022813-04 3.183-06 8.014638-M131.1 52-te-131m 6.423-06 6.41803E-06 9.303-06 6.907000-M131 52-te-131 4.813-04 4.620982-04 2.133-06 2.16301M-06131 53-1-131 9.973-07 9.97828E-07 2.213-06 2.85-06131.1 54-xe-131m 6.693-07 6.741638-07 1.98Z-07 3.8662-M131 54-xe-131 O.O+00 0.000003+00 0.000000+00

132 48-cd-132 6.933+01 5.107193+00 7.34527b-6132 49-in-132 6.93E+01 3.726603+00 1.954025132 50-sn-132 1.39Z-02 1.732873-02 6.6097B-06132.1 51-sb-132m 3.69E-03 4.125883-03 1.26437D-05132 52-te-132 2.473-06 2.462163-06 1.44E-06 1.577850-M132 53-1-132 8.37E-05 8.429993-05 1.12E-05 1.2853-M132 54-xe-132 O.OO+00 O.O00003+00 0.000000#0O

133 49-in-133 6.93E+01 6.209333+00 1.191222-05133 50-sn-133 1.783-02 4.813523-01 7.899696-06133 51-sb-133 4.38E-03 4.620983-03 8.7878-06133.1 52-te-133m 2.31E-04 2.085283-04 1.12E-05 8.08777B-06133 52-te-133 9.24E-04 9.24196E-04 7.843-06 5.62173*-06133 53-1-133 9.261-06 9.25677Z-06 3.14E-06 3.113908-6133.1 54-xe-133m 3.493-06 3.663263-06 3.84Z-07 4.96343B-07133 54-xe-133 1.52Z-06 1.530143-06 3.06E-07 3.3229-07133 55-cs-133 0.OO+00 O.O0000E+00 0.00000C0O

134 49-in-134 6.93E+01 8.60443E+00 1.546508-0-134 50-sn-134 6.93E+01 6.66488E-01 5.46499-06134 51-sb-134 4.621-01 8.154673-01 8.213178-6134 52-te-134 2.753-04 2.76374Z-04 6.84Z-06 4.50366-06134 53-1-134 2.18E-04 2.196283-04 1.22E-05 1.25392-05134 54-xe-134 0.OOE+00 2.390163+00 9.477538-6134.1 55-cs-134m 6.64Z-05 6.616533-05 7.542-07 1.965379-07134 55-cs-134 9.983-09 1.065233-08 8.13E-06 7.80664B-06134 56-ba-134 0.OOE+0O O.O000003+00 O.000008M00

135 50-sn-135 6.93E+01 1.659163+00 9,60293B-06135 51-ab-135 3.65E-01 4.053493-01 6.24869-06135 52-te-135 8.253-03 3.64814E-02 6.21732-06135 53-1-135 2.87Z-05 2.93061E-05 1.563-05 7.04284B-06135.1 54-xe-135m 7.55E-04 7.55556Z-04 2.39E-06 2.288408-06135 54-xe-135 2.09E-05 2.10657Z-05 1.49E-06 1.3166"2-06135 55-cs-135 1.10E-14 9.549993-15 0.000008400135 56-ba-135 O.OOE+00 O.O00003+00 O.O00000B00

40

Page 51: DELFIC Fallout Prediction Code Radiation Physics DTIC

Table 1-14. DEILFIC original and upqrade decay constants andexposure rate multipliers, 136 1 Nass No. 1 141.

At. Decay Constant (sac*1 ) MRK (R/hr/KT/.2 )!LA HU91±g, Qjijgna~ UR~e riialaad

136 51-sb-136 2.313-01 9.453019-01 9.56f3,U-06136 52-te-136 1.163-01 3.960843-02 7.82654B-06136 53-1-136 8.351-03 8.311123-03 1.21E-05 9.71787B-06136 54-xe-136 0.003+00 0.000003+00 0.00000900136 55-cs-136 6.17E-07 6.096173-07 1.179-03 9.220-M136 56-ba-136 0.003+00 0.000003+00 0.00000B+00

137 51-sb-137 6.933+01 1.450553+00 9.310D4*-06137 52-te-137 2.31Z-01 1.980423-01 6.SR*217U-06137 53-i-137 2.843-02 2.82917Z-02 4.53503-06137 54-xe-137 2.963-03 3.025793-03 9.425290-O7137 55-cs-137 7.522-10 7.321663-10 0.000009+00137.1 56-ba-137a 4.443-03 4.526821-03 3.18E-06 3.213901-06137 56-ba-137 0.001+00 0.O00001+00 0.000009+00

138 51-sb-138 6.933+01 3.998313+00 1.28527B-05138 52-te-138 3.473-01 4.95105E-01 4.9320-06138 53-1-138 1.102-01 1.06802E-01 1.03972B-05138 54-xe-138 8.253-04 8.204873-04 4.41Z-06 4.806690-06138 55-cs-138 3.59E-04 3.587723-04 9.79E-06 1.033-M138 56-ba-138 0.003+00 0.000003+00 0.000008+W138 57-la-138 1.003-15 2.091903-19 5.7575iN06138 S8-ce-138 0.00E+00 0.0003OE+00 0.0000Q.O0

139 52-te-139 6.933+01 1.195043+00 9.2476%D-06139 53-1-139 3.47E-01 3.01368Z-01 5.60084*-06139 54-xe-139 1.692-02 1.74684Z-02 1.46Z-06 4.064790-06139 55-cs-139 1.223-03 1.24622E-03 1.10E-06 1.36986-06139 56-ba-139 1.36E-04 1.365053-04 2.55E-07 2.330200-07139 57-la-139 0.00E+00 0.000003+00 0.000009+00

140 52-te-140 6.93E+01 7.754713-01 5.60084--06140 53-1-140 4.623-01 8.059853-01 8.725180-06140 54-xe-140 4.332-02 5.096673-02 7.0294B-06140 55-cs-140 1.053-02 1.088143-02 3.23E-06 9.070029-06140 56-ba-140 6.273-07 6.291213-07 1.16E-06 1.043990-06140 57-la-140 4.792-06 4.780723-06 1.14Z-05 9.99935&-06140 58-ce-140 0.003+00 0.000001+00 0.000000+0

141 53-1-141 6.933+01 1.506843+00 7.0194E-%141 54-xe-141 4.083-01 4.006639-01 6.73988-6*141 55-cs-141 2.77E-02 2.779261-02 4.952900-06141 56-ba-141 6.42E-04 6.32318E-04 3.651-06 4.022990-06141 57-la-141 5.073-05 4.91176E-05 1.27Z-07 1.974929-07141 58-ce-141 2.43E-07 2.46839E-07 4.67E-07 4.294673-07141 59-pr-141 0.001+00 0.000001+00 0.00000&0

41

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Table A-15. DELFIC original and upgrade decay constants andexposure rate multipliers, 142 1 Mass No. 1 146.

At. Decay Constant (soe 1 ) ERM (R/hr/]KT/m2 )IL. U= Original MgrAde orDi[ia Umrad

142 53-i-142 6.933+01 3.46574E+00 1.1"3205142 54-xe-142 4.62E-01 5.681533-01 7.1786B-06142 55-cs-142 8.66E-02 4.07734E-01 7.zW938-06142 56-ba-142 1.16E-03 1.08985E-03 4.953-06 5.M961-06142 57-la-142 1.38Z-04 1.268113-04 6.01E-06 9.46170-O6142 58-ce-142 0.003+00 O.O0000E+O0 0.0000084

143 53-1-143 6.93E+01 1.728163+00 8.819239-0143 54-xe-143 6.93E-01 7.22028E-01 8.23406-06143 55-Cf-143 3.47E-01 3.894093-01 5.63;221-06143 56-ba-143 5.333-02 4.78033E-02 4.70129-06143 57-la-143 6.42E-04 8.17005E-04 5.74E-06 1.149438-06143 58-ce-143 5.83E-06 5.83457E-06 3.50E-06 1.57785-06143 59-pr-143 5.81E-07 5.91196E-07 4.37627-14143 60-nd-143 0.OOE+00 0.000002+00 0.000008400

144 54-xe-144 6.93E+01 6.30134E-01 4.583-06144 55-cs-144 4.62E-01 6.795562-01 1.00732.-0M144 56-ba-144 1.98E-01 6.080243-02 3.8449b-%144 57-la-144 4.62E-02 1.694743-02 1.006r9-M144 58-co-144 2.81E-08 2.815913-08 1.23Z-07 1.157-7144 59-pr-144 6.68E-04 6.68545E-04 1.40E-07 1.25392-07144 60-nd-144 0.00E+00 O.O00003+00 0.000000+00

145 54-xe-145 6.93E+01 7.701643-01 7.08464B-06145 55-cs-145 6.933-01 1.166912+00 1.035538-0145 56-ba-145 3.47E-01 1.60823Z-01 4.30522B-06145 57-la-145 7.70E-02 2.794952-02 6.84432-M06145 58-ce-145 3.85E-03 3.838023-03 3.65E-06 4.3]_57B-06145 59-pr-145 3.22E-05 3.21759E-05 4.09E-06 9.23720E-08145 60-nd-145 0.OOE+00 0.00000E+00 0.00008I00

146 54-xe-146 6.93E+01 1.23187E+00 4.67085-06146 55-cs-146 6.93E+01 2.020843+00 8.78788-06146 56-ba-146 4.62E-01 3.15067R-01 4.085688-06146 57-la-146 1.73E-01 1.10550E-01 9.487965-06146 58-ce-146 8.31E-04 8.544713-04 1.503-06 1.72424B-06146 59-pr-146 4.73E-04 4.783622-04 6.532-06 4.5559(]D•6146 60-nd-146 O.OOE+00 0.000003+00 0.000000+00

42

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Table A-16. DELFIC original and upgrade decay constants andexposure rate multipliers, 147 . Mas. No. 1 151.

At. Decay Constant (sec-) ERN (R/hr/KT/u2 )Ht.j Nug1±de OriginalUgrd origina UpRgad

147 55-cu-147 6.931+01 1.270711+00 6.29914-06147 56-ba-147 6.93E-01 9.902101-01 5.350050-6147 57-la-147 3.47E-01 1.575331-01 4.32602-06147 58-ce-147 9.631-03 1.22898E-02 5.2246(-06147 59-pr-147 9.63E-04 8.49445E-04 4.36782-06147 60-nd-147 7.231-07 7.30650E-07 9.60E-07 8.317669-07147 61-pa-147 8.45E-09 8.372721-09 2.67503B-11147 62-33-147 0.001+00 2.072172-19 0.000000#W

148 55-cs-148 6.931+01 3.371341+00 1.086738-05148 56-ba-148 6.931-01 1.141921+00 4.1068U-06148 57-la-148 3.47E-01 6.601401-01 5.684438-06148 58-ce-148 1.73E-02 1.23776E-02 1.7345-06148 59-pr-148 5.922-03 5.089192-03 5.50679&-%148 60-nd-148 0.00+E00 0.000001+00 0.000000+M148 61-pa-148 1.49E-06 1.493952-06 5.28E-06 2.716822-06148 62-sm-148 O.00E+00 0.000001+00 0.00000840

149 56-ba-149 6.93E+01 9.97076E-01 6.071060-M149 57-la-149 4.62E-01 2.878641-01 4.535033-06149 58-ce-149 1.981-01 1.33298E-01 4.754442-06149 59-pr-149 2.311-02 5.111701-03 3.187042-06149 60-nd-149 9.631-05 1.11618E-04 1.22E-06 2.00627-06149 61-pa-149 3.63E-06 3.62737E-06 2.80E-08 6.217350-M149 62-an-149 O.OOE+00 0.000001+00 0.000000ý0

150 56-ba-150 6.931+01 7.203851-01 4.838049-06150 57-la-150 4.62E-01 1.13989E+00 9.74922-06150 58-ce-150 2.771-01 1.73287E-01 2.29436B-06150 59-pr-150 4.62E-02 1.11979E-01 4.336473-06150 60-nd-150 0.OOE+00 O.O0000E+00 O.O00008+00150 61-pm-150 7.13E-05 7.184361-05 8.08E-06 6.82341B-06150 62-sn-150 O.OOE+00 O.O0000E+00 0.00000+00

151 57-la-151 6.93E-01 9.635211-01 6.37409-06151 58-ce-151 3.47E-01 6.79556E-01 3.7617SR-06151 59-pr-151 9.90Z-02 3.66745Z-02 3.47962-06151 60-nd-151 8.89E-04 9.28654E-04 5.60E-06 4.587250-%151 61-pa-151 6.78E-06 6.779612-06 1.29E-06 1.776383-06151 62-sm-151 2.75E-10 2.44056E-10 1.64054-10151 63-eu-151 0.00E+00 0.00000E+00 0.000000+00

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Table A-17. DELFIC original and upgrade decay constants andexposure rate multipliers, 152 S Mass No. S 156.

At. Decay Constant (sc" 1 ) ERM (R/hr/RT/iO)Ut. ENuclide original Ugarn original Unpargd

152 57-la-152 6.933+01 2.43252E+00 1.0762B-05152 58-ce-152 4.62E-01 9.04573E-02 3.688610-06152 59-pr-152 1.393-01 1.02293E-01 8.40122-06152 60-nd-152 3.85E-03 1.01337E-03 9.20585B-07152 61-pm-152 1.933-03 2.81767E-03 3.40E-06 7.37722B-7152 62-sm-152 0.00E+00 O.O00OOE+00 0.000000+00152.1 63-eu-152ml 2.07E-05 2.065893-05 1.92E-06 1.546508-M152 63-eu-152 1.69E-09 1.64778E-09 5.80E-06 5.663538-06152 64-gd-152 0.00E+00 O.O0000E+00 0.00000+00

153 57-la-153 6.93E+01 2.12726E+00 8.06688-06153 58-ce-153 4.62E-01 4.71914E-01 4.6290m-06153 59-pr-153 2.31E-01 1.54352E-01 4.29467B-06153 60-nd-153 3.85E-02 1.02688E-02 3.20794B-06153 61-pa-153 2.10E-03 2.13934E-03 8.34E-07 8.934178-07153 62-sm-153 4.10E-06 4.16125E-06 1.86E-07 4.6813gB-07153 63-eu-153 0.OOE+00 O.O0000E+00 0.0000(400

154 58-ce-154 6.93E-01 3.43806E-01 4.357378-06154 59-pr-154 3.47E-01 6.530503-01 9.362590-06154 60-nd-154 5.78E-02 1.73287Z-02 3.0616N-06154 61-pa-154 6.71654E-03 7.97283B-06154 62-sm-154 0.00E+00 O.00000E+00 0.0(r30+00154 63-eu-154 1.373-09 2.55645E-09 6.01E-06 5.93521B-06154 64-qd-154 0.O03+00 O.O0000E+00 0.000(0084-

155 58-ce-155 6.93E+01 1.31323E+00 6.227860-06155 59-pr-155 3.47E-01 6.17558E-01 5.956128-06155 60-nd-155 1.39E-01 3.80411E-02 3.678165-06155 61-pa-155 1.16E-02 1.44406E-02 3.1034--06155 62-sm-155 4.81E-04 5.18047E-04 7.26E-07 5.66353B-07155 63-eu-155 1.29E-08 4.69338E-09 2.89E-07 3.8244M-07155 64-gd-155 0.00E+00 O.00000E+00 0.00000+00

156 59-pr-156 4.62E-01 1.82763E+00 1.00836D-M156 60-nd-156 1.54E-01 3.532503-02 3.68861B-06156 61-pm-156 2.77E-02 5.29120E-02 7.7021SB-06156 62-sn-156 1.93E-05 2.04831E-05 6.35319B-07156 63-eu-156 5.21E-07 5.28144E-07 3.02E-06 5.4030B-06156 64-gd-156 0.OOE+00 O.O0000E+00 0.O000•00

44

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Table 1-1-. DELFIC original and upgrade decay constants andexposure rate multipliers, 157 : Mass No. 1 161.

At. Decay Constant (sec') ERM (R/hr/KT/u 2 )Nucid original Ugrgde original UngXade

.57 59-pr-iS? 6.93E+01 1.82402E+00 7.27273B-06157 60-nd-157 2.31E-01 2.79123E-01 4.74398-06157 61-pu-iS7 5.33E-02 1.13291E-02 3.79321-06157 62-sm-157 2.313-02 1.43153E-03 2.016720-06157 63-eu-157 1.28E-05 1.26839E-05 3.38E-06 1.525600-06157 64-gd-157 0.OOE+00 0.00000E+00 O.00000]+00

158 59-pr-158 6.93E+01 4.112413+00 1.13896-O158 60-nd-i58 3.47E-01 2.57207E-01 4.20063B-06158 61-pm-158 1.16E-01 1.82422E-01 8.64159B-06158 62-sm-158 7.70E-04 2.09663E-03 2.71E-06 2.8735606158 63-eu-158 1.93E-04 2.51687E-04 6.30E-06 5.09927B-06158 64-gd-158 0.OOE+00 0.00000E+00 O.0O0004+00

159 60-nd-159 4.62E-01 1.08036E+00 6.61442E-06159 61-pa-1S9 1.98E-01 2.31011E-01 4.82750-M159 62-sm-159 4.95E-02 4.27869E-03 4.3991M-06159 63-eu-159 5.78E-04 6.38257E-04 2.10031B-06159 64-gd-159 1.07E-05 1.03740E-05 3.95E-07 3.20794B-07159 65-tb-159 O.OOE+00 0.00000E+00 0.000000+0

160 60-nd-160 6.93E+01 8.79004E-01 5.22466-06160 61-pa-160 2.77E -I 9.50924E-01 9.665620-06160 62-sm-160 4.62E-02 9.55024E-03 3.354230-06160 63-eu-160 4.62E-03 1.57533E-02 7.941490-06160 64-gd-160 0.OO3+00 0.00000E+00 0.00000+00160 65-tb-160 1.10E-07 1.10962E-07 2.02E-06 5.893423-06160 66-dy-160 0.OOE+00 0.00000E+00 0.0000C400

161 60-nd-161 6.93E+01 2.226553+00 7.33542B-06161 61-pa-161 3.47E-01 8.77479E-01 6.812960-06161 62-sm-161 1.73E-01 1.45007E-01 4.79624B-06161 63-eu-161 3.15E-02 1.64839E-02 4.514110-06161 64-gd-161 3.12E-03 3.15641E-03 2.03E-06 2.1734&D-06161 65-tb-161 1.16E-06 1.16269E-06 2.43E-07 3.16614B-07161 66-dy-161 0.OOE+00 0.00000E+00 0.0000ao+w

45

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46

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APPENDIX B72I920N PRODUCT8 Y"T In DILFIC

This appendix contains a list of fission products for whichdecay rates and gamma ray emission rats are available but whichare not included in the DELFIC inventory.

47

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Table 9-1. Fission products not in DELFIC for which decayconstants and exposure rate multipliers areavailable, 31 _ Atomic No. _S 44.

At. Decay Constant (sec"1) ZRN (R/hr/KT/m2 )Nt. Ugld

74.1 31-ga-74a 7.29629Z-02 2.675=-w"19.1 32-qe-79m 1.77730Z-02 8.40225-06S2.1 33-as-82a 5.09667Z-02 1.26437B-084.1 33-as-84u 1.15525E+00 1.22257B10575 34-se-75 6.698303-08 2.372000-0677.1 34-se-77m 3.972192-02 5.9456611779.1 35-br-79m 1.42623Z-01 9.111823-0780 35-br-80 6.53419Z-04 4.08568O-0780.1 35-br-80a 4.356133-05 7.L2640-0782.1 35--br-82m 1.884583-03 3.16614P-0784.1 35-br-84m 1.92541Z-03 1.312661-0579 36-kr-79 5.49489Z-06 1.66244U-0679.1 36-kr-79m 1.38629Z-02 4.472312-0781 36-kr-81 1.031223-13 4.24242*-0781.1 36-kr-8lm 5.331903-02 7.97283B-0790.1 37-rb-90M 2.686622-03 1.3270'065100 37-rb-100 7.041463+00 1.5674a-05101 37-rb-101 7.385613+00 1.17632-0585 38-sr-85 1.23728Z-07 3.=390-0685.1 38-or-8Sm 1.70743E-04 1.201673-0687.1 38-sr-87m 6.851993-05 1.7972-06103 38-sr-103 5.795543+00 1.065838-05104 38-sr-104 4.254523+00 7.35632B-0690.1 39-y-90m 6.03576E-05 3.354233-0693.1 39-1-93m 8.453013-01 3.75132E-0696 39-y-96 1.17483E-01 4.5977(8-0697 39-y-97 1.98042E-01 6.33229B-0698 39-y-98 1.08304E+00 9.71787B-06107 39-y-107 7.51322E+00 1.00100-0590.1 40-zr-90m 8.56583Z-01 8.7878W-094 41-nb-94 1.08202E-12 7.7220-0694.1 41-nb-94m 1.845443-03 4.430513-0799 41-nb-99 4.62098E-02 3.92894B-06100.1 41-nb-lOOn 2.326003-01 9.71787E-06102 41-nb-102 5.33190E-01 5.53814B-06104.1 41-nb-104a 6.931473-01 7.98328•-06112 41-nb-112 7.99303E+00 1.44202.-0593 42-mo-93 6,27572Z-12 6.332293-07115 42-mo-15 5.505103+00 1.097183-0597 43-tc-97 8.448073-15 7.56531B(1797.1 43-tc-97m 8.86468E-08 4.6917•5-7118 43-tc-118 8.49924E+00 1.30617E-0597 44-ru-97 2.76639E-06 1.88088E-06109 44-ru-109 1.98042E-02 4.587250-M120 44-ru-120 1.97884E+00 5.297812-06

48

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Table 3-2. Fission products not in DELFIC for which decayconstants and exposure rate multipliers areavailable, 45 1 Atomic No. 1 49.

At. Decay Constant (sec") ERM (R/hr/KT/u 2 )

Nt... " _

108.1 45-.rh-lO8m 1.92541E-03 1.36086-C0110.1 45-rh-1O0M 2.432101-02 1.26437B-05122 45-rh-122 6.468941+00 1.05530-05123 45-rh-123 5.161571+00 7.8160OD-06103 46-pd-103 4.72165Z-07 3.GM2B-07107.1 46-pd-107a 3.254211-02 8.819230-07125 46-pd-125 4.17458E+00 7.6053-M06126 46-pd-126 2.750371+00 5.20769-06107.1 47-ag-1O7. 1.36467E-02 2.24660-07108 47-ag-108 4.874451-03 1.03760-07108.1 47-ag-108 1.72953E-10 8.57889-06110 47-ag-110 2.817671-02 1.5883E-'7110.1 47-ag-i10m 3.212091-08 1.337512-05116 47-ag-116 4.31062Z-03 8.87247&-06117.1 47-ag-117m 1.29803Z-01 4.336478-06118 47-ag-118 1.84348E-01 6.21735*-06120.1 47-ag-120m 2.16608E+00 7.7534(3-06122 47-ag-122 1.44406E+00 1.07628E-05128 47-ag-128 7.352081+00 1.233020-06107 48-cd-107 2.96217Z-05 4.34692-07109 48-cd-109 1.734231-08 3.753313-07111.1 48-cd-1lim 2.37705E-04 1.671899-06113.1 48-cd-113 1.557801-09 5.70533B-10121.1 48-cd-121a 1.44406E-01 1.c2W81-06113.1 49-in-113m 1.16128E-04 1.4942M-0114 49-in-114 9.64043E-03 1.2539=-08114.1 49-in-114m 1.62039E-07 6.614429-07116 49-in-116 4.91594E-02 8.85057B-08116.1 49-in-116al 2.133421-04 1.097182-M6116.2 49-in-116=2 3.17957E-01 5.20376-07118.2 49-in-118m2 8.15467E-02 5.538141-07120 49-in-120 2.25048E-01 2.67503B-06120.2 49-in-120m2 1.46543E-02 1.55695-06122 49-in-122 4.62098E-01 4.9433B-06122.2 49-in-122m2 6.41803E-02 1.56740C-05124 49-in-124 2.18658E-01 1.06563B-0125 49-in-125 2.97488E-01 5.89342D-06126 49-in-126 4.78033E-01 1.964473-05127 49-in-127 6.02737E-01 7.07113-06128.1 49-in-128m 7.70164E-01 1.41062-05129.1 49-in-129m 5.50117E-01 1.18077B-05130.1 49-in-130ml 1.26027E+00 8.704280-06130.2 49-in-130m2 1.26027E+00 1.358413-05131.1 49-in-131m 1.98042E+00 0.0000(M300

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Table 3-3. Fission products not in DILFIC for vhich decayconstants and exposure rate multipliers areavailable, 50 1 Atomic No. j 58.

At. Decay Constant (sec") EM (R/hr/KT/al)

Nt.L HINU_

113 50-sn-113 6.970663-08 4.779s3-7

113.1 50-sn-113m 5.39834E-04 3.33333B-07

128.1 50-sn-128m 1.06638E-01 9.550608-06129.1 50-sn-129m 1.724252-03 9.79672-06130.1 50-sn-130m 6.795561-03 5.30142-06131 50-on-131 1.777303-02 1.7628-05136 50-sn-136 9.664903-01 6.21735D-06

126.2 51-ob-126m2 6.30134E-02 7.722050-10

132 51-sb-132 2.75058E-03 1.27483-05

134.1 51-ob-134m 6.645713-02 1.097185139 51-sb-139 3.182353+00 1.011498-05121 52-te-121 4.78102E-07 3.39603D-06

121.1 52-te-121m 5.209441-08 1.3668606

123 52-te-123 1.77137E-21 3.207943-07123.1 52-te-123a 6.70219E-08 1.01463S-06141 52-te-141 2.54254E+00 9.9477b-06142 52-te-142 1.17469E+00 5.97701B-06125 53-1-125 1.33398E-07 9.07001B-07130.1 53-1-130m 1.283613-03 6.447231-07

132.1 53-1-132m 1.381873-04 1.755498-06133.1 53-1-133m 7.70164E-02 8.265413-06134.1 53-1-134m 3.13075E-03 1.661449-06136.1 53-i-136m 1.47793E-02 1.20167E-05144 53-1-144 4.74856E+00 1.17M20-05145 53-1-145 3.58364E+00 8.850572-06125 54-xe-125 1.139303-05 1.901781-06125.1 54-xe-125 1.21605E-02 9.153610-07127 54-xe-127 2.20399E-07 1.922683-06127.1 54-xe-127 1.00166E-02 1.14943Z-06143.1 54-xe-143m 2.31049E+00 6.822960-06147 54-xe-147 3.48158E+00 8.746083-06135.1 55-cs-135m 2.17971E-04 7.84744E-06138.1 55-cs-138m 3.96992E-03 3.197498-06149 55-cs-149 2.83856E+00 9.1745aB-06150 55-cs-150 5.60074E+00 1.19122V-05135.1 56-ba-135m 6.70874E-06 4.12748&-07136.1 56-ba-136m 2.24756E+00 9.201360-06

151 56-ba-151 2.08315E+00 8.746080-06152 56-ba-152 1.64843E+00 5.914328-06146.1 57-la-146m 6.93147E-02 7.41902Z-06154 57-la-154 4.643893+00 1.14943-05155 57-la-155 4.50125E+00 1.006270-05156 58-ce-156 1.16243E+00 5.057470-06157 58-ce-157 3.23266E+00 7.97283B-06

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Table 3-4. Fission products not in DELFIC for which decayconstants and exposure rate multipliers areavailable, 59 S Atomic No. • 68.

At. Decay Constant (sec"') ERM (R/hr/XT/nI)Nt. Nuclide

142 59-pr-142 1.007011-05 2.3928-07142.1 59-pr-142a 7.91264Z-04 0.0000W400144.1 59-pr-144m 1.60451R-03 1.29572-07148.1 59-pr-148a 5.776231-03 8.29676-06159 59-pr-159 3.839093+00 8.769eU-06145 61-pi-145 1.240963-09 3.406488-07148.1 61-pa-148a 1.942972-07 1.007320-05152.1 61-pa-152ml 1.536231-03 7.16023E-06152.2 61-pa-152m2 6.418031-04 7.220480-06154.1 61-pa-154a 4.310621-03 8.787380-06162 61-pm-162 2.137501+00 9.85372B-06145 62-sm-145 2.35957E-08 6.72936-07146 62-sm-146 2.13252E-16 O.000%W162 62-sm-162 1.31777E-01 4.tX38-06163 62-sm-163 5.46689Z-01 5.45455-06164 62-sm-164 5.00467Z-01 4.63250-06165 62-sm-165 1.528241+00 6.687570-06152.2 63-eu-152m2 1.20338Z-04 4.31573-07154.1 63-eu-154m 2.511401-04 4.984338-07162 63-eu-162 4.26736Z-03 8.16092E-06163 63-eu-163 9.11496E-02 4.54121B-06164 63-eu-164 4.52239Z-01 8.4430-06165 63-eu-165 5.11699E-01 5.71578-06153 64-gd-153 3.32059Z-08 8.00418-07162 64-gd-162 1.37529E-03 2.884012-06163 64-gd-163 7.47167E-03 4.420061-06164 64-qd-164 5.326171-04 3.218390-M165 64-gd-165 1.63884Z-02 3.8453-06162 65-tb-162 1.488721-03 5.527690-06163 65-tb-163 5.92433E-04 4.158830-06164 65-tb-164 3.85082E-03 1.107630-05165 65-tb-165 5.475101-03 3.751311-06165 66-dy-165 8.24940E-05 1.358412-q/165.1 66-dy-165m 9.18319E-03 1.0.882-07166 66-dy-166 2.35957E-06 2.445241-07166 67-ho-166 7.18436E-06 1.3976•-07166-1 7-ho-166m 1.83042E-11 8.16092B-06167.1 68-er-167m 3.04012E-01 0.000000+00

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U S ARMY ARMOR SCHOOL ATTN: ATZLCAD-NATTN: ATSB-CTDATTN: TECH LIBRARY DEPARTMENT OF THE NAVY

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