REFERENCES
Hoenes, G.R., and J.K. Soldat. 1977. Age-specific Radiation Dose Commitment
Factors for a One-Year Chronic Intake. NUREG-0172. Pacific Northwest Labora-

tory for U.S. Nuclear Regulatory Commission, Washington, D.C. .

ICRP. 1959. Report of Committee II on Permissible Dose for Internal Radia-

tion. International Commission on Radiological Protection, ICRP Publication
2, Pergammon Press, Oxford.

10


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10-302°T
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20-300°2
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B-3


APPENDIX B

METABOLIC PARAMETERS




years at which time the size of an adult is assumed. Hoenes and Soldat present
equations for each age period and indicate how each contribution is summed to
get the appropriate dose conversion factors.


TABLE A-1. Emission Data for 35s

Beta Particles (Martin 1976)
Maximum Energy
(MeV) Intensity (%)

0.1674 100

TABLE A-2. Emission Data for 361

Beta Particles (Kocher 1981)
Maximum Energy
(MeV) Intensity (%)

0.710 99

TABLE A-3. Emission Data for 45ca

Beta Particles (Martin 1976)
Maximum Energy
(MeV) Intensity (%)

0.2587 100

TABLE A-4. Emission Data for 67¢a
Photons (Kocher 1981)

Type Energy (MeV) Intensity (%)
Zn X-Rays 0.0086 48.5
0.0096 6.6
Gamma 0.091 2.9
0.093 35.7
0.185 19.7
0.209 2.2
0.300 16.0
0.394 4.5
0.888 0.14

Electrons (Kocher 1981)
Energy (MeV) Intensity (%)

0.0010 165
0.0075 60
0.0816 0.2
0.0837 26.8
0.0921 3.3
0.0932 11
0.1749 0.33


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10-369°T 10 30°T 20-306°S 20°300°L

SAVG 10 3020°9 = 3417 41H

20-399°T *O = 10-302°9 00 300°T
20-390°T “0 "0 —-10°305°6
TO-326°T 20 302°T 10-302°T 0

“0 “0 *0 0

“0 ‘0 0 “0
TO-3/S°T 10 300° 0-300°T 90-300°S
10-3952 10 30S°E 00 300°T 20-300°S
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20-3116 a) T0-302°9 00 300°T
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TO-390°T 20 302°T T0-302°T 0
*O 0 0 0
T0-320°T 20 300°E 10-300°T 90-305°2
0 “0 “0 0
10-360°T 20 300°2 00 300°T £0-30S°2
10-30" 20 300°2 TO-305°£ = €0°306°T
“0 0 0 “0

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B-4


ABSTRACT

Inhalation dose commitment factors are presented for selected radionu-
clides for exposure of individuals in four age groups: infant, child, teen and
adult. Radionuclides considered are *°s, 381, *5ca, ®7Ga, 75se, 85sr, 10% q,
113, 125, 133g, 170tm, 169), 1827 1921, 198,41, 2017), 2047), and 236p,,,
The calculational method is based on the human metabolic model of ICRP as
defined in Publication 2 (ICRP 1959) and as used in previous age-specific dose
factor calculations by Hoenes and Soldat (1977). Dose commitment factors are
presented for the following organs of reference: total body, bone, liver,
kidney, thyroid, lung and lower large intestine.

Vii


TABLE A-19. Emission Data for @36py
Photons (Kocher 1981)

Type Energy (MeV) Intensity (%)
U X-Rays 0.0136 13
Electrons (Kocher 1981)
Energy (MeV) Intensity (%)
0.0099 10.2
0.0259 23.3
0.0421 8.5

Alpha Particles (Kocher 1981)
Energy (MeV) Intensity (%)

5.614 0.18
5.722 31.8
5.770 68.1

A-13


APPENDIX A

RADIOACTIVE DECAY DATA


TABLE A-9. Emission Data for 113sp
Photons (Martin 1976)

Type Energy (MeV) Intensity (%)
In X-rays 0.0240 20.7
0.0242 39.0
0.0273 13.0

Gamma 0.2550 2.12

Electrons (Martin 1976)
Energy (MeV) Intensity (%)

0.020 12.8
0.0028 85.0

TABLE A-10. Emission Data for 1251
Photons (Martin 1976)

Type Energy (MeV) Intensity (%)
Te X-rays 0.0038 15.
7 0.0272 39.8
0.0275 74.2
0.031 25.8
Gamma 0.0353 6.7

Electrons (Martin 1976)
Energy (MeV) Intensity (%)

0.0032 156.
0.0037 80.
0.0227 20.
0.0305 10.5
0.0345 2.2
0.0353 0.7

A-5


APPENDIX A--RADIOACTIVE DECAY DATA

The basic decay data for each radionuclide is given in Tables A-1
through A-11 as follows. :

Table Radionuclide
Ael 3s

A-2 3664

A-3 Bea.

And 8764

AS 7c

A-6 85c),

‘AT 10964

A-8 1131, (daughter of 113sn)
A-9 1136,

a-io 125;

ar 33g

at2 Or,

a-iz 165

alg. 1827,

ats 1% tp

a-ie 1 98py

at 7017

aig 20474

a-ig 236 py

The source of data is provided by each radiation type. The references are
listed at the end of this appendix. The tables only include significant
radiations and are not intended to serve as a complete list of radiations.


APPENDIX A--REFERENCES

Kocher, D. C. 1981. Radioactive Decay Data Tables. DOE/TIC-11026. U.S.
Department of Energy, National Technical Information Service, Springfield,
Virginia.

Lederer, C. M., and V. S. Shirley. 1978. Table of Isotopes. Seventh Edition.
John Wiley and Sons, Inc. New York, New York.

Martin, M. J. 1976. Nuclear Decay Data for Selected Radionuclides.
ORNL-5114. Oak Ridge National Laboratory, Oak Ridge, Tennessee.

A-14


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‘TABLE A-16. Emission Data for 198qy
Photons (Martin 1976)

Type Energy (MeV) Intensity (%)
Hg X-rays 0.010 1.3
0.0690 0.8
0.0708 1.4
0.080 0.6
Gamma © 0.412 95.5
: 0.676 1.1
1.090 0.23
Beta Particles (Martin 1976)
Maximum Energy (MeV) Intensity (%)
0.285 1.3
0.961 98.7

Electrons (Martin 1976)
Energy (MeV) - Intensity

0.0076 2.1
0.329 2.9
0.397 1.0
0.408 0.27
0.411 0.1

A-11


TABLE _A.13. (contd)

Electrons (Kocher 1981) i
Energy (MeV) Intensity (%)

0.0037 . 39.9
0.0057 160
0.0061 95
0.0106
0.0184
0.0203
0.0342
0.0409 ©
0.0504
0.0530
0.0588
0.0608
0.0626
0.0711
0.0835
0.0913
0.0997
0.1075
0.1081.
0.1093"
0.1159.
0.1178
0.1204
0.1282
0.1300
0.1386
0.1671
0.1749
0.1878
0.1956
0.2483

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A-8


ABSTRACT . . . . .

ACKNOWLEDGMENTS . . .
INTRODUCTION . soe .
METHOD OF CALCULATION se
RESULTS. . oe .
REFERENCES . . . .

APPENDIX A--RADIOACTIVE DECAY DATA
APPENDIX B--METABOLIC PARAMETERS

CONTENTS

10
A-1
B-1


ACKNOWLEDGMENTS

This work was performed for the Nuclear Regulatory Commission, Uranium
Fuel Licensing Branch. .

The authors would like to acknowledge the help of D. L. Haggard in provid-
ing radionuclide data and a computer program for calculation of effective —
absorbed energies. The help of J. D. Schwab in data input preparation is also
acknowledged.

iv


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Table A-19 Emission Data for 236py

Table B-1 Metabolic Parameters....

vii


TABLE A-5. Emission Data for 75Se

Photons (Martin 1976)
Type Energy MeV Intensity (%)

As X-rays 0.011 - 48.
. 0.012
Gamma 0.066
0.097
0.121
0.136
0.199
0.265
0.280
0.304
0.401

N

ya aE
PROOr AR wr
DPRPOPOANNOW

ee

Electrons (Martin 1976)
Energy MeV Intensity (%)

0.0125 4.4
0.0229 0.9
0.0242 0.1
0.0542 0.36
0.0850 2.5
0.0952 0.33
0.109 0.62
0.124 1.5
0.134 0.16
0.253 0.38
0.268 0.18

TABLE A-6. Emission Data for 85sr
Photons (Kocher 1981)

Type Energy MeV Intensity (%)
Rb X-Rays 0.0017 1.6
. 0.0133 17.7
0.0134 33.0
0.015 8.7
Gamma 0.5139 99.3

Electrons (Kocher 1981)
Energy MeV Intensity (%)

0.0017 108.2
0.0114 29.1
0.4988 0.63

A-3


NUREG/ CR-2384
SEP 20 1982 PNL-3912

Age-Specific Inhalation “SHEE Sona
Rediation Dose Commitment Factors
for Selected Radionuclides

———S Es

Prepared by D. L. Strenge, R. A. Peloquin, D. A. Baker

Pacific Northwest Laboratory
Operated by
Battelle Memorial Institute

Prepared for
U.S. Nuclear Regulatory
Commission




METHOD OF CALCULATION

The inhalation dose commitment factors presented here relate chronic one-
year radionuclide intake to a 50-year dose commitment. The units of the fac-
tors are: mrem in 50 years per pCi inhaled during the first year. The dose
received by an individual is dependent on several metabolic parameters that
change with age. Therefore four age groups were considered in estimating thé
dose commitment factors. The age groups considered are "infant" (0 to 1 year
old), "child" (1 to 11 years old), "teen" (11 to 17 years old) and "adult"
(17 years and older).

The calculations require the following types of data:
e@ radioactive decay data
@ metabolic parameters
@ organ mass and diameter
The basic radioactive decay data as used in the present calculations is tabu-
lated in Appendix A with appropriate references. The radionuclide specific

metabolic parameters are given in Appendix B. The remaining data is presented
in this section.

The radioactive decay data is used to estimate the effective absorbed

energy in each organ of interest. The radiations considered are:

e@ photons (x-rays and gamma rays)

@ beta particles (e~ and e')

@ conversion electrons (and Auger electrons)

@ alpha particles
The methods and equations defined in ICRP Publication 2 (1959) are used to
estimate the effective absorbed energy for these radiation types. These
effective absorbed energies are presented in Appendix B for each age group and
organ of interest for each radionuclide. The effective energies for photon
radiation are dependent on organ radius. The organ sizes and masses used in
this study are given in Table 1 and are taken from Hoenes and Soldat (1977).
The radius of each organ at a given age is assumed to be proportional to the
cube root of the organ mass relative to the adult.

(x) X ( 1/3
= + [mass
age (on 3) ae

The mass of the contents of the lower large intestine (GI-LLI) is assumed to be
proportional to the total body mass.

The chemical, radiological and biological parameters for each radionuclide
used to calculate dose commitment factors are presented in Appendix B. These
Parameters include:

@ physical half-life (days)
@ biological half-time (days)
e effective half-life (days)


INTRODUCTION

This report presents inhalation dose commitment factors derived in support
of a project for the Nuclear Regulatory Commission's Office of Nuclear Material
Safety and Safeguards (NMSS). The overall project involves review of radio-
logical contingency plans submitted by NMSS licensees in response to orders
issued February 11, 1981. Dose commitment factors have been calculated for
radionuclides which fuel cycle and materials licensees are authorized to
possess in significant quantities. This report considers 18 radionuclides for
which dose factors are not already available in NUREG-0172 (Hoenes and Soldat
1977). The methods employed in NUREG-0172 were followed for the present calcu-
Jations to ensure compatibility of results with the previous work.


10-386°E 0
10-386°E “0
TO-36b" 20 302°T
0 “0
10-361" 20 308°2
0 0
10-368°S 20 302°T
TO-36b°b 20 300°
“0 0
10-366°2 0
10°366°2 “Oo
To-3£0°" 20 302°T
"0 “oO
TO-3€b"E =O 300°S
a) oO
10-308°9 10 300°2
T0-3€0"» 10 304°2
0 0
T0-3L0°€ 0
10-320°€ “0
10-345" 20 302°T
"0 “0
10-369" 20 300°r
0 0
TO-3S2°8 20 30"°2
10-35" 20 300°r
10-308°6 20 300°
(ASH) (ava)
NOTISd3 ‘ToreL
seeee LUNDY -oneee

10-398°E “oO TO-3pL"e “oO TO-319°€ 0 10-302°9 00 300°T = WHNI 171-19
10-398°E “oO TO-3bL°€ “oO TO-319°E 0 oO 10-300°6 = S39NI 177-19
10-30€" 20 302°T TO-36T*% 20 302°T 10-386°€ 20 302°T T0-302°T 0 WHNI NNT
0 0 “oO 0 “oO 0 0 O S39NI ONNT
10-360" 20 308°2 10-386°€ 20 308°2 10-398" 20 308°2 20-300°€ €0-300°€ ARNOT,
“Oo “oO 0 “oO “oO 0 0 “0 GIOWAHL
TO-3e2°S 20 302°T TO-3TE°S §=20 302°T 10-368" 20 302°T 00 300°T 10-300°T AQOd WLOL
10-30p"b 20 300°E 10-361" 20 300°C 10-386°€ 20 300°¢ 20-300" €0-300°¢ y3A17
“oO “oO 0 *O *O 0 0 *O 3N08
AINO NOTLVIVHNI 803 37GNT0SNI SAVG 00 3002°2 = 3417 41VH s6Iny
1O-3LL°2 “0 T0-3€5°2 *O 10-36£°2 0 10-302°9 00 300° = WHNI 177-19
10-342°2 a) T0-3€5°2 “oO T0-36£°2 0 a) 10-300°6 = S39NI_ 177-19
TO-3p9°€ 20 302°T TO-3€b°E «20 302°T 10-366°2 20 302°T T0-302°T a) WHNI ONNT
‘oO a) “oO 0 0 0 *O “oO S39NI ONNT
TO-312*€ 10 300°S 10-366°2 10 300°S T0O-322°2 10 300°S 20-305" b 0-305" ARNOIN
*u “0 "oO “0 0 “Oo 0 “0 GIOWAHL
10-3€5°9 10 300°2 10-399°S 10 300°2 10-384" TO 300°2 00 300°T 10-300°T A008 TWLOL
10-3p8"E «10 30L°2 TO-3€¢°€ «10 30L°2 10-366°2 10 302°2 10-30€°2 20-30€°2 URAIT
“0 “0 a) a) . 70 0 0 “oO 3N08
AINO NOLLVIVHNI 804 JTENIOSNI SAVG TO 302p°Z = 3417 4TVH 26Tu
TO-392°2 “0 TO-31b°2 *O T0-302°2 “0 10-302°9 00 300°T = WHNI 177-19
1O-3bL°2 “oO TO-31p°2 a) 10-302°2 a) *O 00 300°T S39NI 177-19
T0-366°€ 20 302°T 10-369°E 20 302°T 10-340°E 20 302°T 10-302°T “oO WHNI ONNT
“0 a) a) “oO “0 0 0 “oO ‘S39NI ONNT
T0-38€°E 20 300°b TO-320°€ 20 300°% TO-3¢2°2 20 300°b 20-300°¢ 90-300°E ASNOIX
“oO "0 “oO a) “0 0 “0 0 GIOWAHL
T0-322°8 20 30p°2 10-316°9 20 30v°2 TO-319°S 20 30%°2 00 300°T 0-300°T A008 WLOL
10-382" 20 300°F TO-369°€ 20 300°% 10-320°€ 20 300°¢ 10-300°€ G0-300°E UIALT
T0-352°6 20 300°E T0-399°8 20 300°E 10-399°8 20 300°E 10-300°2 $0-300°2 ‘3N08
AIO NOTLVIWHNI 403 378N10SNI SAVO 20 30ST°T = 3417 41VH 2eTvL
(ARH) (AvG) (a3) (ava) (3H) (ava) AYO (19 YO4 #4)
NOTISdI WIsL NOUSd3 We NO’USdI ‘rel Wed ad NYOuO
~ N33L score OTIH = - INWINI -
(pjuoo) *T-9 F1avL

B-6


TABLE A-15. Emission Data for 192Ir

Photons (Lederer and Shirley 1978)
Type Energy (MeV) Intensity (%)

Os X-rays 0.0615 1.2
: 0.0630
0.0713
: 0.0734
Pt X-rays 0.0650
0.0670
0.0760
: 0.0780
Gamma 0.136
0.201
0.206
0.283
0.296
0.308
0.317
0.374
0.416
0.421
0.468
0.485
0.489
0.589
0.604
0.612
0.885
1.061

N

ann
SCOMNDBPOWDOOONDMOWODOOHANDON

i
RPWRWDAENRPENNYNONNWNUONAOWUOENO

Beta Particles (Lederer and Shirley 1978)
Maximum Energy (MeV) Intensity (%)

0.672 46
0.536 41
0.240 8

A-10


NRC Form 335 y 1, REPORT NUMBER. Yssined by boc)

ian U.S. NUCLEAR REGULATORY COMMISSION NUREG/CR-2384
BIBLIOGRAPHIC DATA ‘SHEET PNL-3912
4. TITLE AND SUBTITLE (Add Volume Wo,, if appropriate] 2. (Leave blank)

Age-Specific Inhalation Radiation Dose Commitment Factors

for Selected Radionuclides 3. RECIPIENT'S ACCESSION NO.

7, AUTHORIS)
D.L. Strenge , R. A. Peloquin, D. A. Baker . PATE AEPORT ee
July ‘"ob2
9. PERFORMING ORGANIZATION NAME AND MAILING ADDRESS (include Zip Code} DATE REPORT ISSUED
MONTH T YEAR
Pacific Northwest Laboratory August 82
Richland, Washington 99352 6. (Leave blank}

8. (Leave blank)

12, SPONSORING ORGANIZATION NAME AND MAILING ADDRESS (Include Zip Code)

10. PROJSECT/TASK/WORK UNIT NO.

Division of Fuel Cycle and Material Safety
Office of Nuclear Material Safety and Safeguards:

Hashinlgleap Regulatory, fonmisston B2218

11. FIN NO.

13. TYPE OF REPORT
Topical Report

PERIOD COVERED {Inclusive dates)

15. SUPPLEMENTARY NOTES 14, (Leave blank}

16. ABSTRACT (200 words or less}

Inhalation dose commitment factors are presented for | bile. radionuclides
for exposure of individuals in. oon gage oups:_ inf n an ult.
Taspoma bees $eaynceres are Bea 73, 1S Be 1684 wie 125,

Ta, 1325, 1Siu, Sin, 2 dan and eeu. a calculational
nethod is based on the human metabolic model of ICRP as defined in Publication 2
(ICRP 1959) and as used in previous age-specific dose factor calculations by Hoenes
and Soldat (1977). Dose commitment factors are presented for the following organs of
reference: total body, bone, liver, kidney, thyroid, lung and lower large intestine.

17. KEY WORDS AND DOCUMENT ANALYSIS 17a. DESCRIPTORS
airborne radioactivity,
inhalation exposure,
dose

17b. IDENTIFIERS/OPEN-ENDED TERMS

18. AVAILABILITY STATEMENT AGT CLASS (This report) 121. NO. OF PAGES

assi71e
Unlimited

PEIALUTEFLEBS (Ts pase) | 22. Brice

NRC FORM 335 [11.80


TABLE A-14. . Emission Data for 182Ta

Photons (Lederer .and Shirley 1978; Kocher 1981)
Type Energy (MeV) Intensity (%)

W X-rays 0.0580 10.4
: 0.0593
0.0672
0.0691
Gamma 0.0317
0.0427
0.0657
0.0677
0.0847
0.100
0.110
0.114
0.116
0.152
0.156
0.179
0.198
0.222
0.229
0.264
0.928
0.960
1.002
1.113
1.121
1.157
1.189
1.221
1.231
1.257
1.274
1.289
1.343
1.374
1.387

Beta Particles (Lederer and Shirley 1978)
Maximum Energy (MeV) Intensity (%)

0.540 45
0.408 24
0.246 31

be
o
a

>
WNHWNHOORN

ra

w

RPNNMAENHOONORHSOWDEONAPONNEPOHPUBNOWOON

Poe
SCOSHOPEAAEAONSOOWWNENNDOFOS

A-9


Table 1.
Table 2.
Table 3.

Table 4.

Table 5.

Table 6.

- Table A-1

Table A-2
Table A-3
Table A-4
Table A-5
Table A-6
Table A-7
Table A-8
Table A-9
Table A-10
Table A-11
Table A-12
Table A-13
Table A-14
Table A-15
Table A-16
Table A-17
Table A-18

LIST OF TABLES Page

Mass and Radius of Body Organs for the Four Age Groups-:- 3

Radioiodine Age Dependent Biological Half Times-++++-+++. 3
Infant Inhalation Dose Commitment Factors (mrem/50 yrs

Per pCi inhaled in first yr)++++seeeeeeeeeeees seeeerecees 6
Child Inhalation Dose Commitment Factors (mrem/50 yrs

Per pCi inhaled in first yr)-++++eeceeeeecececssseteceees 7
Teen Inhalation Dose Commitment Factors (mrem/50 yrs

Per pCi inhaled in first yr)-++esseeeeeeeecenees ee eeee see 8
Adult Inhalation Dose Commitment Factors (mrem/50 yrs

per pCi inhaled in first yr)--++++++. Peete cree een eeeeeees 9
Emission Data : A-2
Emission Data A-2
Emission Data A-2
Emission Data A-2
Emission Data for 75Se..--.....-- teeeees tenn cence eee eeee A-3
Emission Data for 85sr........... se eeeeeees se eeeeeeeees oe ARB
Emission Data A-4
Emission Data A-4
Emission Data A-5
Emission Data A-5
Emission Data A-6
Emission Data A-7
Emission Data A-7
Emission Data A-9
Emission Data A-10
Emission Data A-11
Emission Data A-12
Emission Data A-12

vi




APPENDIX B--METABOLIC PARAMETERS

This appendix presents the metabolic parameters used to calculate the age-
specific dose commitment factors for each radionuclide. The data presented
here include parameters for both inhalation and ingestion uptake even though
only inhalation dose commitment factors are calculated. The ingestion parame-
ter values are included for completeness with respect to corresponding tables
in the original report on age-specific dose commitment factors (Hoenes and
Soldat 1977).

The data are listed in Table B-1 and include the following parameters.
Half-life | @ radiological decay half-time (days)

F-W e@ fraction of radionuclide reaching the organ of
reference by ingestion, fy

F-* for GI e fraction of radionuclide not absorbed before reaching
the lower-large intestine. F-* is calculated by

F-* = 1 - (Total Body)

and
F-* > 0.05

F-A e fraction of radionuclide reaching the organ of
reference by inhalation, fg

F-2' e fraction of radionuclides transferred from the blood
to the organ of reference, fo'

TBIOL @ biological removal half-time for the radionuclide and
organ of reference and each age group (days)

EPSILON e effective absorbed energy for the radionuclide and
organ of reference and each age group (MeV).

The values in the column in Table B-1 labeled F-A or F-2' represent either fq or
f2' depending on the organ of reference and the mater ja! solubility. For
radionuclides assumed to be soluble (%9S, 36¢], and I) the value represents
fa for all organs. For radionuclides assumed to be insoluble the value repre-
~ sents fa for lung and GI-LLI and f'for other organs.

The values for the parameter EPSILON were calculated using a small program

prepared by N. M. Robinson and modified for the present calculations by
D. L. Strenge.

B-1


20-392°8
20-392°8
20-392°8

20-3928
0
10-38">

10-385°2
10-385°2
0
0
0
0
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0

20°309°S
20-309°S

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20-309°S
on)
10-308"

(AR)
NOTISd3

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“0
20 302°T
“Oo
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“0

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“Oo
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“oO
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10 306°2
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0

*O
“O
“Oo
“Oo
a)
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10 300°6
“0
20 300°9

(ava)
TOleL

= LINGY -----—

20-3928 “oO 20-3928 a)
20-392"8 ‘uv 20-392" 0
2u-392°8 «20 302°T 20-394°8 20 302°T
a) 0 “0 0
0 “w 0 0
oO “oO *O 0
20-392°8 0 399°T 20-392°8 90 399°T
0 0 0 0

10-38€" vO 308°T 10-38E"b 0 308°T

AINO NOLLVIVHNI B04 31ENTOSNI

T0-385°2 “Oo 10-38S°2 “0
10-38S°2 Oo 10-385°2 “0
0 “0 “9 0
0 “9 0 0
0 0 om “0
*O “Oo “0 “O
To-38S°2 TU 306°2 To-385°2 Tu 306°2
“Oo “oO “0 “0
“0 “Oo 0 0
20-309°S “Oo 20-309°S “Oo
20-309°S 0 20-309°S oO
“0 a) “0 *O
0 0 0 0
oO “Oo 0 *O
“0 0 0 0
20-309°S 10 300°6 20-309°S 10 300°6
+ 9 “0 0

0
T0-308°2 20 300°9 10-308°2 20 300°9

(ARH) (ava) (A3H) (ava)
NOUSdI ‘WraL NOM1Sd3 ‘VOraL
~ N33L wooee OTIHD

S4azoUeUeg ILLOqeyay

20-392°8 “0 10-302°9 00 300°T
20-392°8 0 “0 10-300°¢
20-392°8 20 302°1 10-302°1 0
“oO “0 “0 "0
"0 “oO 0 0
“0 0 “0 0
20-392°8 $0 3¥9°T 00 300°T 10-300°9
oO “Oo *O “0
10-38€" 0 308°T 10-300°6 T0-309°S
SAV 20 30S9°T = 3417 41VH
10-38S°2 a) 10-300°S 20-300°S
10-385°2 0 0 20-300°S
0 “0 a) *O
“0 0 0 0
0 “oO “oO “oO
“Oo 0 “0 a)
10-385°2 10 306°2 10-305" 00 300°T
0 0 “0 0
0 0 “oO “oO

SAVa 80 300T°T = 3417 STH

20-309°S “0 10-300°S 20-300°S
20-309°S 0 “Oo 20-300°S
*0 0 “0 “0
0 0 0 “0
“oO “O “oO 0
0 “0 +9 0
20-309°S 10 300°6 00 300°T 00 300°T
0 *O “0 “0
10-308°2 20 300°9 20-300°E 20-300°E

SAWG 10 302°8 = 3417 J1VH

(A3H) (ava) s@-4 YO (19 YOd #4)
NOMSd3 IL wa Md
ANVANT

“L-@ dav

WHNT 117-19,
S39NI 177-19
WHNT 9HAT
S39NI NNT
A3NOIX
GIOWAHL
AGO TWLOL
BIA

3N08

Sbvo

WHNT 177-19
S39NI 117-19
WHNI ONAN
‘SONI ONNT
A3NGIN
GIOWAHL
AGOd WLOL
U3AlT

‘3N08

9879

WHNT 117-19
S39NI 177-19
“WHNI ONNT
S39NI NNT
ABNOIN
QIOWAHL
AGOd WLOL
MaAIT

3N08

Ses

NYDYO

B-2


TABLE A-11. Emission Data for 133gq

Photons (Kocher 1981)

Type Energy (MeV) Intensity (%)

Cs X-Rays 0.0043 17
0.0306 34.2
0.0310 63.4
0.035 22.8

Gamma 0.0532 2.1
0.0796 2.6
0.0810 33.0
0.1606 0.60
0.2231 0.44
0.2764 6.9
0.3028 17.8
0.3560 60
0.3839 8.7

Electrons (Kocher 1981)

Energy (MeV) Intensity (%)
0.0036 136.
0.0172 10.5
0.0255 14.1
0.0436 3.9
0.0450 48
0.0474 1.6
0.0519 0.40
0.0739 0.56
0.0753 7.4
0.0798 1.5
0.0808 0.39
0.2404 0.32
0.2669 0.67
0.3200 1.28
0.3479 0.15
0.3503 0.21

A-6




NUREG/CR-2384

PNL-3912
RH
DISTRIBUTION
No. of No. of
Copies Copies
OFFSITE ONSITE
S. Acharya Pacific Northwest Laboratory

205

U.S. Nuclear Regulatory Commission
Washington, DC 20555

E.F. Branagan
U.S. Nuclear Regulatory Commission
Washington, DC 20555

T.R. Decker
U.S. Nuclear Regulatory Commission
Washington, DC 20555

F.D. Fisher
U.S. Nuclear Regulatory Commission
Washington, DC 20555

F. Swanberg
U.S. Nuclear Regulatory Commission
Washington, DC 20555

DOE Technical Information Center

U.S. Nuclear Regulatory Commission

Division of Technical Information
and Document Control

7920 Norfolk Avenue

Bethesda, MD 20014

R.B. McPherson

Battelle Memorial Institute
505 King Avenue

Columbus, OH 43201

Distr-1

D.A. Baker (5)

K.E. Byers

G.R. Hoenes

J. Mishima

Kennedy

Napier

Peloquin
Schwendiman

Soldat

Strenge (25)

-E. Vaughan

E.C. Watson

Technical Information (5)
Publishing Coordination (2)

wDoUOrno=
mrnorrm


10-392°S
10-392°S
To 392°S
“0
TO 392°S

0
TO 392°S
TO 392°S
20 388°2

1O-3Sb°2
10-35b°2
10-399°2
10-399°2
TO-35p°2

0
10-399°2
T0-399°2

0

20-39L"S
20-3bL°S
20-30L°9
20-30L°9
20-391"9

0
20-360°6
20-302°9
10-382

(A3H)
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20 302°T

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00 300°S
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(ava)
‘018L

10-392"S 0

T0-392°S 0

10-392°S a) 10-392'S 0
TO 392°S 20 302°T TO 392°S 20 302°T
0 0 a) “0

TO 392°S UY 302°E TO 392°S $0 302°E

“O 0 “oO “0
10 394°S 0 305°9 10 392°S 0 305°9
TO 39L°S 90 399°T TO 392°S 0 39”°T
20 388" =U 359°C 20 388°2 0 359°E

ATNO NOLAVIWHNI 804 371SMI0SNI

T0-3Sb°2 “0 10-35b°2 0
TO-35b°% “Oo 10-35b°2 0
ToO-3Se"2 20 302°T 1O-35b°2 20 302°T
To-3S"*2 00 300°9 10-3Sb°2 00 300°9
TO-3Sp"2 00 300°C TO-3Sb°2 00 300°L

a) 0 a) 0
10-39"°2 00 300°S 10-39b°2 U0 300°S
10-35p"2 00 300°S 10-35b°2 00 300°S

0 0 0 “oO

AINO ROILVIVHNI OS 318NI0SNI

20-32€°S 0
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20-3vT"9 «20 302°T

20-3€S°S 0
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20-3€€°9 20 302°T
20-3££°9 00 300°9 20-3v1°9 00 300°9
20-3¢6"S 00 300°2 20-3b2°S 00 300°C

*0 0 “oO “oO
20-391°6 00 300°S 20-382°8 00 300°S
20-325"9 00 300°S 20-3¥1°9 00 300°S
TO-3€v°2 00 300°L To-3LE°2 00 300°L

AINO NOLAVIWHNI YO4 JTENTIOSNT

T0-392°S “0 10-302°9 00 300°T
T0-392°S 0 oO 00 300°T
TO 392°S 20 302°T 10-302°T “O

oO 0 “Oo 0
10 392°S 0 302°¢ 20-300°2 £0-300°9

a) a) “0 “Oo
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TO 392°S 90 39%°T 10-305" = S0-3S€°T
20 388°2 0 359°¢ 10-305" + G0-3S€°T

SAWG €0 31p0°T = 3417 JWH

TO-35¢"2 0 10-302°9 00 300°T
TO-3Sb°2 0 0 T0-305°S
TO-3Sb°2 20 302°T 10-302°T “Oo
T0-3S"2 00 300°9 *O = €0-30L°2
TO-3Se"2 00 300° 20-300°S = 20-308°2

“0 “0 0 “oO
T0-39b°2 00 300°S 00 300°T T0-305"¢
TO-3S%"2 00 300°S 20-300"? 20-300°2

0 0 0 "0

SAG €0 3/2€°T = 3417 STV

20-381°S 0 T0-302°9 = 00 300°T
20-381°S oO a) 10-305°S
20-302°S 20 302°T 10-302°T O
20-3¢2°S 00 300°9 “0 €0-302°2
20-3€5°S 00 300°L - 20-300°S 20-30€°2

0 0 “0 “0

20-38£"£ 00 300°S 00 300°T 10-305"
20-3¢2°S 00 300°S 20-300"? 20-300°2
TO-3£°2 00 300°L =. 20-305°S 20-305°2

SAVG 00 300°C = 3417 STVH

(AN) (ava) (ARH) (Ava) (A3W) (ava) 4 YO (19 YOd ¥-3)
NOUSda ‘TOI8L NOUSG3 ‘WIaL NOTISd3 lel ¥v And
= N33L i woeee OTH ~~ = INVANT =
(pquod) *T-@ 37avL

WHNI 117-19
S39NI 171-19
WHNT 9NN1
S39NI ONAT
ARNOIX
OIOUAHL
A008 WLOL
UaAlT

‘3N08

" ge@nd

WHNI [11-19
S39NI 111-19
WHNI ONAT
S39NI SNNT
A3NOIX
QIOUAHL
AgOd TWLOL
‘M3AIT

‘3N08

021

WHNI 117-19
SH9NT 177-19
WHNI ONNT
‘S39NI ONNT
AaNaTY
GIOYAHL
Agog ‘WLOL
UaAIT

‘N08

prays

NVOUO

B-7


RESULTS,

The calculated 50-year dose commitment factors for chronic one-year inhala-
tion are presented in Tables 3 through 6. Each table lists dose commitment
factors for one age group, six organs and the selected radionuclides. The fac-
tors give the 50-year dose commitment (mrem) normalized to unit intake (1 pCi)
over a one-year period. The basic radionuclide specific input data used to
generate the factors in Tables 3 through 6 are given in Appendix A and
Appendix 8. .


g-Ol XL't 7-OT X 8° zor X OT 0 2-Ot X He z-Ot x 8°y z-Or XL "doez
g-Ol x0? Ol x0°8 g-OF X e'v 0 pt xX LE 7 X Ov 0 \Lyoz
g-OT X2r g-Ol XS g-O1 XT 0 p-Ol xT’? y-t x 6°T Xx LE tLigz
g-Ot xX O°E g-Ol xX €°E g-Ol x g°9 0 g- Ol XLT gel XLT 0 MWe6T
g-Ol xT? pO x 9°G g-O1 Xx OT 0 g-0l xT? g-Ol XT 0 4T261
g-Ol x0O°? Ol x79 g-Ol x O°y 0 g-Ol XLT yl XT g-O1 X Op Plast
g-Ot Xx ET pl xX vT g-OT XO°r 0 pol X LL 0 g-O X21 got
g-OT x 9°? Ol X GD g-OT xX GE 0 g-Ol X2T 0 pol XT? Mart
g-OT Xx €°8 Ol X OG g-Ot x 7's 0 g-O1 X OT g-Ol XT 2! XT Beet
yt x eT 0 g-O1 x 79 OT Xx 8°l g-OT x LE g-OT x 0°V g-O1 Xx Ob Ig2r
g-OT Xx eT Ol xX O°€ 0 y-Ol XxTL g-Ol xX E°? yt x 6°8 g-Ol x BE GUS ory
g-OT x T'8 yl x O°E pl XLT 0 g-0Ol x 0°8 pl xX oT 0 O+PI oy
g-Ot X GG yO Xx GT 0 0 g-O X OE 0 OT X eT Sog
g-Ol xX 6°E OF x72 g-Ol Xot 0 yl XLS g-O X OT 0 Sey
g-Ol Xx OT g-OT x g°9 yt XO 0 p-O x 2°E g-Ol Xx oT g-Ol Xv? 29
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NUREG/ CR-2384
PNL-3912

Age-Specific Inhalation
Radiation Dose Commitment Factors
for Selected Radionuclides

Manuscript Completed: July 1982
Date Published: August 1982

Prepared by
D. L. Strenge, R. A. Peloquin, D. A. Baker

Pacific Northwest Laboratory
Richland, WA 99352

Prepared for

Division of Fuel Cycle and Material Safety

Office of Nuclear Material Safety and Safeguards
U.S. Nuclear Regulatory Commission
Washington, D.C. 20555

NRC FIN B2218




- TABLE A-7. Emission Data for 109cq*
Photons (Kocher 1981)

Type Energy MeV Intensity (%)
Ag X-Rays 0.003 11.1
0.0220 28.5
0.0222 “54.0
0.0249 17.4
Gamma 0.0880 3.7

Electrons (Kocher 1981)
Energy MeV Intensity (%)

0.0026 166
0.0185 20.5
0.0625 41.7
0.0842 : 44.0
0.0873 8.9
0.0879 1.6
*Includes radiations from !09Mpg,

TABLE A-8. Emission Data for 113mtp
Photons (Martin 1976)

Type Energy (MeV) Intensity (%)
In X-rays 0.0240 6.8
0.0242 12.9
0.0273 4.3
Ganma 0.392 64.9
Electrons (Martin 1976)
Energy (MeV) Intensity (%)
0.0028 29.7
0.020 ~ 4.2
0.364 28.2
0.387 5.5
0.391 1.1
0.392 0.25


NOTICE

This report was prepared as an account of work sponsored by an agency of the United States
Government. Neither the United States Government nor any agency thereot, or any of their
employees, makes any warranty, expressed or implied, of assumes any legal liability of re-
sponsibility for any third party's use, or the results of such use, of any information, apparatus,
Product or process disclosed in this report, or represents that its use by such third party would

not infringe privately owned rights.

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1. The NRC Public Document Room, 1717 H Street, N.W.
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GPO Printed copy price: $4.75





TABLE A-17. Emission Data for 2017)

Photons (Kocher 1981)

Type _ Energy. (MeV) Intensity (%)

Hg X-Rays 0.010 - 44

0.0689 27.4

0.0708 46.5

. 0.0803 20.5

Gamma 0.0306 0.22

0.0322 0.22

0.1353 2.65
0.1674 10

Electrons (Kocher 1981)
Type Energy (MeV) Intensity (%)

0.0076 73

0.0158 8.1

0.0174 7.0

0.0270 2.5

0.0286 2.2

0.0522 7.5

0.0538 3.3

0.0843 15.4

0.1205 1.3

0.1318 0.4

0.1526 2.62

0.1639 0.61

0.1666 0.2

TABLE A-18. Emission Data for 20471

Photons (Lederer and Shirley 1978)

Type Energy (MeV) Intensity %
Hg X-rays 0.0689 0.41
0.0708 0.71
0.0802 0.24
0.0825 0.04

Beta Particles (Lederer and Shirley 1978)
Maximum Energy (MeV) Intensity (%)

0.7635 97.4



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TABLE A-12. Emission Data for 170Tm
Photons (Lederer and Shirley 1978; Kocher 1981)

Type Energy (MeV) Intensity (%)
Yb X-rays 0.0514 1.3
0.0524 2.3
0.0593 0.9
0.0610 0.2
Gamma 0.0786 0.39
- 0.0843 3.2

Beta Particles (Lederer and Shirley 1978)
Maximum Energy (MeV) Intensity (%)

0.968 : 76.
0. 884 24.

TABLE A-13. Emission Data for 169yb
Photons (Kocher 1981)

Type Energy (MeV) Intensity (%)

Tm X-Rays 0.0072 51
0.0498 52.8
0.0507 93
0.0575 38.3

Gamma 0.0084 0.33
0.0208 0.21
0.0631 43.7
0.0936 2.7
0.1098 17.4
0.1182 1.9
0.1305 11.1
0.1772 21.4
0.1980 34.9
0.2403 0.12
0.2611 1.8
0.3077 10.8

A-7


TABLE 1. Mass and Radius of Body Organs for the Four Age Groups*

Infant Child Teenager Adult
Mass Radius Mass Radius Mass Radius Mass Radius

Organ (g) (cm) (g) (cm) (9) (cm) (g) (cm)
Bone 770 2.4 1,640 3 4,900 4 7,000 5
Liver 200 5 530 7 1,200 9 1,700 10
Total Body 7,700 14 16,400 20 49,000 27 70,000 30
Thyroid 2 1.4 5 2 15 2.7 20
Kidney 55 4 100 5 210 6 300
Lung 110 5 300 7 580 8 1,000 10
GI-LLI 16 2.4 35 3 100 4 150 5

*Taken from Hoenes and Soldat (1977).

e fraction reaching organ of reference

e@ fraction not absorbed before reaching the LLI

e effective absorbed energy (MeV per disintegration)
For the radionuclides considered in this report, the biological half-time,
effective half-life, fraction reaching the organ and the fraction not absorbed
are assumed to be independent of age except for radioiodine. The variation of
biological half-time with age for radioiodine is given in Table 2.

TABLE 2. Radioiodine Age Dependent Biological Half Times

Half-life (days)
Element Organ Infant Child Teenager Adult

Todine Total Body 20 20 50 100
and Thyroid

Equations for calculating inhalation dose commitment factors were derived
by Hoenes and Soldat (1977) from those given by the ICRP (1959) for body burden
and maximum permissible concentration (MPC). These equations use the data and
Parameters described above. The reader is referred to the Hoenes and Soldat
report (1977) for details of the equations.

The model employed for age-dependence assumes an infant to be of uniform
size for one year. Then the child immediately grows to the size of a four-year
old and remains at this size for 10 years. At 11 years the child immediately
becomes the size of a fourteen year old and remains at this size for seven


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