. Author manuscript; available in PMC: 2014 Mar 25.

Published in final edited form as: Health Phys. 2011 Jul;101(1):13–27. doi: 10.1097/HP.0b013e318204a60a

Table 2.

Multiplier to convert exposure (roentgen, R) to personal dose equivalent [H_p(10) or H_p(0.07), rem].

Tube potential (kV)^a	Multiplier
Tube potential (kV)^a	<1949	1949-1954	1955-1968	>1968-1984^b
All organs but skin
70	0.646	0.918	1.04	1.09
80	0.716	0.983	1.10	1.15
90	0.783	1.04	1.16	1.21
Skin
70	0.986	1.08	1.13	1.16
80	1.02	1.11	1.17	1.19
90	1.04	1.14	1.20	1.22

Values within single time-periods are considered as equally probable

Table entries would apply, in theory, for times beyond 1984. In this work, however, it is assumed that exposure (R) was not used for personnel monitoring after 1984.