Recent topic

Dear Colleagues,

Recently was discussed some topics that we can found in details in several lectures presented in the IRPA 9 Refresher Courses, as part of the last IRPA 9 Conference, and available in the WEB (files in pdf format) http://www.tue.nl/sbd/irpa/irpa9toc.htm

Some lectures are:

How to assess the dose to the patient in diagnostic radiology

How to train and educate the worker in radiation protection

How large is the exposure in Aircraft's and Space Vehicles?

How to apply optimization in radiation protection

What is epidemiology?

One point I would like also to comment about man.Sv (person.Sv).

Usually the alpha value is related with the Gross National Product (GNP). For low GNP the alpha value range from US$3,000 to US$10,000 per man.Sv (person.Sv). This is the case of about 2/3 of the IAEA Members, countries without nuclear power reactor program. The rest, about 1/3 with Nuclear Power reactor program have values in the range of $10,000 to US$40,000 per man.Sv (person.Sv)

There are countries that do not use this concept, as Japan and I think also Canada.

In Brazil, at this moment, the value is $10,000 per man.Sv (person.Sv)

In USA, subject of the specific question, we can learn about in a very interesting document at: http://www.nrc.gov/NRC/NUREGS/BR0184/part11.html

5.7.1.2 Monetary Valuation of Accident-Related Health Effects

Section 4.3.3 of the Guidelines states that the conversion factor to be used to establish the monetary value of a unit of radiation exposure is $2000 per person-rem. This value will be subject to periodic NRC review. The basis for selection of the $2000 per person-rem value is set out in NUREG-1530 (NRC 1995d). The $2000 per person-rem value is to be used for routine and accidental emissions for both public and occupational exposure. Unlike past NRC practice, offsite property consequences are to be separately valued and are not part of the $2000 per person-rem value. Monetary conversion of radiation exposure using the $2000 per person-rem value is to be performed for the year in which the exposure occurs and then discounted to present value for purposes of evaluating values and impacts."

Jose de Julio Rozental