Table 3
AgeGroup 10 to 18 Data Summary
Number of PersonSecesessctescccccc scene secee esate esseesseretistaresseseses Je
Internal Exposure, Person~Rad. cccccccersccesccsersevccsccesssssesesees
External Exposure,
18,000
PErSON—Rad«cccccsccccccccsestccetcccsceseesscssuseses
2500.
Number of Observed Carcinomasecescsccccscccveceversnccsenccscstiersaseeesese DB
Average Years Post-Expoagure to Onset of Carcinoma. .ceacsesseccrssensesces
28
Asaumed Latent Period, Years. .cccccssccccsccsevnsscccssscessessvessecess 9 and 10
Number of Expected Spontaneous Carcimomas....scccccsccscccnssesessccens
0.30
Table 4
Age Group >18 Data Summary
Number of POLSONSesscccecccuccccceunccvcccucsscustecceessesuteaceseucesans 120
Internal Exposure, Person~Rads .ccecescccscccccccsccccscccscescetcsesss
48,000
External Exposure, PerSomRad.sccccsccccsscsersssccssasssecccscscssesses
8,000
Number of Observed Carcimomasecscceeceracccesrsereeseeceserereeeeeeeeeerereen G
Average Years Post-Exposure to Onset of Carcinomasssrcccescensescccsesees
16
Assumed Latent Period, Yearsecccssccccescccessssesseseseseesssesesees 9 and 10
Number of Expected Spontaneous Carcinotlag...ccceseesccccecsmeccsonsseece
Lol
Table 5
Risk Coefficients? for Marshall Islanders, 10-Year Latent Period
;
Excess
Group
Age 1954
Number
Years
Thyroid
Total
at
Risk
Cancers
Person~Rad
Risk
Coefftcient
<1
85
2.2
120,000
12.2
1.5x107°
10-18
32
2.7
21,000
17.7
7.4x107°
>18
120
1.9
56,000
6.2
5.4x107°
237
6.8
200,000
11.3
3.0x107°
Total
@Thyroid cancers per person-rad-years at risk, based on thyroid dose from
internal plus external sources.
a
m3
Cc
}
a
20