Logo PTB

Measuring quantities in radiation protection

With the amendment of the radiation protection laws in 2001 the current phantom based quantities in radiation protection have been introduced in Germany.

A Initiates file downloadposter made out at PTB represents the relations in a simple way.

Additional information on this topic is given in

  1. Alberts, W. G.; Ambrosi, P.; Böhm, J.; Dietze, G.; Hohlfeld, K.; Will, W.:
    New dose quantities in radiation protection,
    PTB-Dos-23e (1995), ISBN: 3-89429-932-0.

  2. Ambrosi, P.; Ankerhold, U.; Behrens, R.; Böhm, J.; Helmstädter, K.; Schuhmacher, H.; Wissmann, F.; Zimbal, A.:
    Einheitliche Dosis-Messgrößen durch die Umstetzung der Richtlinie 96/29/EURATOM
    Auswirkungen auf die Darstellung und die Weitergabe der Einheit Sievert für die Messgrößen, auf die Messtechnik und auf Bauartprüfungen
    PTB-Dos-45 (2003), ISBN: 3-86509-085-0

Conversion coefficients have been published with the aid of which the base quantities (fluence and air kerma) of the different types of radiation can be converted to the current quantities:

  • Conversion coefficients for monoenergetic radiation for photons, electrons and neutrons: ICRP Publication 74 and ICRU Report 57. Conversion coefficients for monoenergetic radiation for photons: ISO Standard 4037-3

    and

    Ankerhold, U.:
    Catalogue of X-ray spectra and their characteristic data - ISO and DIN radiation qualities, therapy and diagnostic radiation qualities, unfiltered X-ray spectra -,
    PTB-Bericht: PTB-Dos-34 (2000), ISBN: 3-89701-513-7 (in here, a far better interpolation is recommended at low photon energies)

  • Conversion coefficients for standardized radiation qualities for photons:
    ISO-Norm 4037-3

    and

    Ankerhold, U.:
    Catalogue of X-ray spectra and their characteristic data - ISO and DIN radiation qualities, therapy and diagnostic radiation qualities, unfiltered X-ray spectra -,
    PTB-Report: PTB-Dos-34 (2000), ISBN: 3-89701-513-7

    und

    R. Behrens:
    Air kerma to dose equivalent conversion coefficients not included in ISO 4037-3,
    Rad. Prot. Dosim. 147, 373 (2011)

    und

    R. Behrens:
    Air kerma to Hp(3) conversion coefficients for a new cylinder phantom for photon
    reference radiation qualities
    ,
    Rad. Prot. Dosim. 151, 450 (2012)

  • Conversion coefficients for standardized radiation qualities and special monoenergetic neutrons: ISO-Norm 8529-3