(B) there is a reasonable likelihood that 
the radiation dose may have endangered the 
health of members of the cohort; 
(4) it is not feasible to estimate with sufficient 
accuracy the magnitude of radiation doses received 
by employees at facilities under the jurisdiction of 
the Department of Energy because— 
(A) many radiation exposures by employees 
were unmonitored or were not monitored ade-
quately over the lifetime of each facility, as 
demonstrated in 2004, when an individual em-
ployed during the 1950s agreed to be scanned 
under the former radiation worker program of 
the Department of Energy and was found to 
have a significant internal deposition of radi-
ation that had been undetected and unrecorded 
for longer than 50 years; 
(B) lung counters used for the detection 
and measurement of plutonium and americium 
in the lungs of the employees were not available 
at some facilities until the late 1960s, thus— 
(i) preventing the very insoluble oxide 
forms of plutonium from being detected; 
and 
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(ii) leading to a result in which a 
large number of employees experienced in-
halation exposures that went undetected 
and unmeasured; 
(C) exposure to neutron radiation was not 
monitored at some facilities until the late 
1950s, and most of the measurements taken at 
the facilities from the period beginning in the 
late 1950s and ending in 1970 have been found 
to be in error; 
(D) in some areas of the facilities, neutron 
doses were 2 to 10 times as great as the 
gamma doses received by employees, although 
only gamma doses were recorded; 
(E) the radiation exposures of many em-
ployees at certain facilities were not measured, 
and in some cases estimated doses were as-
signed, while some records for doses have been 
destroyed or lost; 
(F) as a result of the practices described 
in subparagraph (E), the available exposure his-
tories and other data are not adequate to prop-
erly determine whether employees qualify for 
compensation under the Act (42 U.S.C. 7384 et 
seq.); and 
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(G) the model that has been used for dose 
reconstruction by the National Institute for Oc-
cupational Safety and Health in determining 
whether certain workers qualify for compensa-
tion under the Act (42 U.S.C. 7384 et seq.) 
contains errors because— 
(i) the default values used for particle 
size and solubility of internally deposited 
plutonium in employees are in error; and 
(ii) the use of those erroneous default 
values to calculate internal doses for claim-
ants can result in dose calculations that 
may be 3 to 10 times below the calcula-
tions as indicated by the example of the 
records and autopsy data of the Rocky 
Flats Environmental Technology Site of 
the Department of Energy; 
(5) the administrative costs arising from claims 
have been disproportionately high relative to the 
number of claims that have been approved; 
(6) many employees, despite working with tons 
of plutonium and having known exposures that have 
lead to serious health effects, have been denied com-
pensation under the Act (42 U.S.C. 7384 et seq.) as 
a result of— 
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(A) potentially flawed calculations based 
on records that are incomplete or in error; and 
(B) the use of incorrect models; 
(7) the purposes of the Act (42 U.S.C. 7384 et 
seq.) are more likely to be achieved if claims by the 
employees described in this subsection are subject to 
administrative procedures applicable to members of 
the special exposure cohort; 
(8) Charlie Wolf, an employee at the nuclear 
weapons facilities of the Savannah River Site, the 
Fernald Site, and the Rocky Flats Environmental 
Technology Site of the Department of Energy, died 
in 2009 from complications due to glioblastoma mul-
tiform brain tumors; 
(9) the difficulties of Mr. Wolf in securing com-
pensation for the illness that he likely incurred from 
exposures to toxic and radioactive materials at the 
nuclear weapons facilities described in paragraph (8) 
reinforce the need to ensure that the Act (42 U.S.C. 
7384 et seq.) will be carried out more efficiently and 
humanely for employees similar to Mr. Wolf; 
(10) Mr. Wolf’s first tumor was discovered 
after he had worked for several years at the Rocky 
Flats Environmental Technology Site of the Depart-
ment of Energy, during which he served as the di-
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rector of buildings numbered 771 (which was once 
considered the most dangerous nuclear facility in the 
United States), 774, and 779, 3 facilities at which 
toxic and radioactive materials were present and 
handled by employees; 
(11) prior to working at the Rocky Flats Envi-
ronmental Technology Site of the Department of 
Energy, Mr. Wolf ran plutonium metal production 
lines at the Savannah River Site of the Department 
of Energy; 
(12) Mr. Wolf and his family spent almost 7 
years of their lives seeking compensation under the 
Act (42 U.S.C. 7384 et seq.) although, due to the 
requirements of the Act (42 U.S.C. 7384 et seq.) 
and the manner by which the regulations and proce-
dures were carried out, the claims of Mr. Wolf were 
subjected to lengthy and repeated delays and com-
plications that resulted from the difficulties associ-
ated with establishing the reconstruction of radiation 
doses; 
(13) as a result of the experiences of Mr. Wolf, 
and many others like him, there is a need to reform 
the Act (42 U.S.C. 7384 et seq.), and the program 
carried out in accordance with the Act (42 U.S.C. 
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