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KDEP: A Resource for Calculating Particle Deposition in the Respiratory Tract

Klumpp, John*; Bertelli, Luiz*

doi: 10.1097/HP.0000000000000679

This paper presents KDEP, an open-source implementation of the ICRP lung deposition model developed by the authors. KDEP, which is freely available to the public, can be used to calculate lung deposition values under a variety of different conditions using the ICRP methodology. The paper describes how KDEP implements this model and discusses some key points of the implementation. The published lung deposition values for intakes by workers were reproduced, and new deposition values were calculated for intakes by members of the public. KDEP can be obtained for free at or by emailing the authors directly.

*Los Alamos National Laboratory, Los Alamos, NM.

The authors declare no conflicts of interest.

For correspondence contact: John Klumpp, Los Alamos National Laboratory, Mail Stop G761, Los Alamos, NM, 87544 or email at

(Manuscript accepted 15 January 2017)

© 2017 by the Health Physics Society