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Calculating Initial
Session Exposure Times That Neither Overexpose, Nor Underexpose Clients
Of Indoor Tanning Salons to Ultraviolet Radiation
Smith, Donald 1
and Reykdal, Patricia1
UVR Research Institute / Tucson, AZ 857191
Abstract-
A standardized interactive system has been developed that makes possible
the calculation of an initial session time (IST) that neither overexposes,
nor underexposes clients of indoor tanning salons to ultraviolet radiation
(UVR). The calculation matrix requires (a) knowing the clients skin
type (subtype); (b) establishing tolerance to UVR levls for each skin
type (subtype); and, (c) knowing the MED/minute irradiance value for
the UVR source being utilized. Calculations are made to ascertain (a)
time to 0.75 MED; (b) time to 1.0 MED; and (c) time to 4.0 MED. The
matrix makes it possible to convert data between the following commonly
used measurement units: (a) Ultraviolet Index (UVI); (b) W/m2; (c) mW/m2;
(d) mJ/cm2; (e) MED/hour; and, (f) MED/minute. Our results show that
use of the system described significantly reduces the possibility of
overexposing clients of indoor tanning salons during their initial tanning
session. We conclude that the system described has the potential to
calculate an initial session time that will neither overexpose, nor
underexpose clients of indoor tanning salons to UVR.
Keywords: Ultraviolet
Radiation, Overexposure, Underexposure, MED/minute
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