<abstract xmlns="http://www.w3.org/1999/xhtml"><p>Fission products of 235U or isotopes from activation may appear in technological waters at normal operation of a research reactor. Therefore, reactor cooling water may contain a number of beta radioactive isotopes including yttrium and strontium isotopes, which can pose potential hazard to reactor personnel. In order to asses internal exposure urinalysis is carried out. This work presents the method of sample preparation and measurement used by Radiation Protection Measurements Laboratory (RPLM) of the National Centre for Nuclear Research (NCNR). Method of various isotopes of yttrium and Sr-90 activity calculation is also shown. Determination of these isotopes activities in urine sample allows estimating the effective doses</p></abstract>

Fission products of 235U or isotopes from activation may appear in technological waters at normal operation of a research reactor. Therefore, reactor cooling water may contain a number of beta radioactive isotopes including yttrium and strontium isotopes, which can pose potential hazard to reactor personnel. In order to asses internal exposure urinalysis is carried out. This work presents the method of sample preparation and measurement used by Radiation Protection Measurements Laboratory (RPLM) of the National Centre for Nuclear Research (NCNR). Method of various isotopes of yttrium and Sr-90 activity calculation is also shown. Determination of these isotopes activities in urine sample allows estimating the effective doses

Assessment of occupational internal exposure to beta emitters from the nuclear reactor primary coolant circuit

National Centre for Nuclear Research, Otwock-Świerk, Sołtana 7, Poland

Polish Journal of Medical Physics and Engineering

Fission products of 235U or isotopes from activation may appear in technological waters at normal operation of a research reactor. Therefore, reactor cooling...

Assessment of occupational internal exposure to beta emitters from the nuclear reactor primary coolant circuit

Published Online: Mar 29, 2013

Page range: 41 - 47

DOI: https://doi.org/10.2478/v10013-012-0006-y

Keywords
yttrium, strontium, urine, occupational exposure, effective dose

This content is open access.

Assessment of occupational internal exposure to beta emitters from the nuclear reactor primary coolant circuit

Published Online: Mar 29, 2013

Page range: 41 - 47

DOI: https://doi.org/10.2478/v10013-012-0006-y

Keywordsyttrium, strontium, urine, occupational exposure, effective dose

This content is open access.

Keywords
yttrium, strontium, urine, occupational exposure, effective dose