Table 2.
Chronology of external whole-body occupational radiation protection standards
| Year | Recommending organization | Criteria | Reference |
|---|---|---|---|
| <1934 | - | ~100 rem | |
| 1934 | IXRPC | 0.2 R/d (60 rem/y) | International X-ray and Radium Protection Commission70 |
| 1934 | NCRP | 30 rem/y at 0.1 rem/d | NBS Handbook 18 |
| 1937 | IXRPC | 0.2 R/d (60 rem/y) 1 R/wk |
International X-ray and Radium Protection Commission78 |
| 1950 | ICRP | 15 rem/y at 0.3 rem/wk | NBS Handbook 4779 |
| 1954 | NCRP | 3 rad/13 wk 0.3 rad/wk max 15 rem/y |
NBS Handbook 5980 |
| 1958 | NCRP | 3 rad/13 wk 0.3 rad/wk max 15 rem/y 5(N-18) rem accumulated |
NBS Handbook 59 addendum81 |
| 1958 | ICRP | 0.1 rem/wk three rem/13 wk 5 (N-18) rem accumulated |
ICRP Publication 182 |
| 1965 | ICRP | 3 rem/13 wk 5 rem/y max |
ICRP Publication 983 |
| 1971 | NCRP | 3 rem/13 wk 5 rem/y |
NCRP Report 3984 |
| 1977 | ICRP | 5 rem/y acceptable risk | ICRP Publication 2685 |
| 1987 | NCRP | 50 mSv/y 10 mSv x age (y) cumulative 150 mSv/y (lens of eye) 500 mSv/y (other organs, extremities) |
NCRP Report 9186 |
| 1990 | ICRP | 20 mSv/y avg over 5 y 50 mSv in any single y 150 mSv/y (lens of eye) 500 mSv/y (other organs, extremities) |
ICRP Publication 6087 |
| 1993 | NCRP | 50 mSv/y 10 mSv x age (y) cumulative 150 mSv/y (lens of eye) 500 mSv/y (other organs, extremities) |
NCRP Report 11688 |
| 2007 2011 |
ICRP ICRP |
20 mSv/y avg over 5 y 50 mSv in any single y 150 mSv/y (lens of eye) 500 mSv/y (other organs, extremities) 20 mSv/y avg over 5 y (lens of eye) 50 mSv in any single y (lens of eye) |
ICRP Publication 10389 ICRP Publication 11890 |
| 2018 | NCRP | 50 mSv/y 10 mSv x age (y) cumulative 50 mGy/y (lens of eye) |
NCRP Report 18091 |