|
Distribution of recorded doses accumulated by AECL staff during NRX clean-up, 1952 |
||||
|---|---|---|---|---|
|
Dose range in rem (Sv) |
0 - 4.99 (0 - .05) |
5.00 - 9.99 (0.05 - 0.1) |
10.00 - 14.99 (0.1 - 0.15) |
16.2 (0.16) |
|
Number of traceable males |
730 | 107 | 12 | 1 |
|
Number of untraceable males |
10 | 0 | 0 | 0 |
| Number of females | 1 | 1 | 0 | 0 |
| Mortality among AECL clean-up participants, through 1980 | ||||
|---|---|---|---|---|
| Cause of death |
Group A 1953 - 1979 |
Group B 1953 - 1965 Observed/Expected |
Group B 1966 - 1980 Observed/Expected |
Group B 1953 - 1980 SMR* |
| Cancers | 8 | 5/7.2 | 23/26.7 | 0.83 |
| Cardiovascular diseases | 19 | 21/20.3 | 63/61.6 | 1.03 |
| Accidents | 5 | 7/6.5 | 3/8.0 | 0.69 |
| Other | 4 | 5/6.5 | 13/19.3 | 0.70 |
| Total | 36 | 38/40.5 | 102/115.6 | 0.90 |
| *SMR is the standard mortality ratio, i.e., the ratio of observered (Obs.) to expected (Exp.) numbers of deaths. | ||||
This data was extracted by Peter Jedicke from
Werner, M.M., Myers, D.K., and Morrison, D.P.,
Follow-Up of CRNL Employees Involved in the NRX Reactor Clean-Up,
(AECL-7760),Chalk River Nuclear Laboratories, Chalk River, Ontario, 1982