Chernobyl Liquidators' Health
as a Psycho-Social Trauma
18.104.22.168. Range of the doses of interest and limits of their accuracy
What range of irradiation doses is of interest for this study, and what accuracy in their measurement is achievable in principle?
As for the accuracy, Antonov (1987: 7) states that errors of all modern dosimetric instruments reach 25—50%. To some extent, it corresponds to the Soviet standard of instruments of working accuracy: their errors should not exceed 5—30% range. In general, it seems reasonable to accept that the best, ideally achievable accuracy of RA-level (and the dose) measurements is within 25%.
The doses of interest are those not exceeding several dozen R's.
The upper limit of this range is defined by the dose of acute irradiation, when the first clear signs of irradiation injury appear, which is approximately equal to or somewhat less than one hundred R's (Sivintsev 1991: 47—48; Vorobyev and Vorobyev 1996: 58—59).
The authors of the latter book consider the absorbed dose A (100 rad (100 R) as leading to “radiation trauma without signs of disease” (like it happens with light mechanical injury), and A=100—200 rad as a light degree of acute radiation sickness. The light degree of the ARS, according to them, on the one hand, can pass unnoticed by the affected when the dose is closer to 100 rad, and have minor symptoms (like weakness or small under-skin bruises), and, on the other hand, can lead to dangerous infectious diseases, which may be connected with acute conditions of old diseases of the affected (e.g., inflammatory processes in amygdalas, lungs, stomach, intestines).
It should be noted, that this study does not deal with the debate on low-dose effects.
Design by: M.Opalev
Studio ARWIS Kharkov, 2001