UV-C according to CIE and ISO standrads: 100--280 nm. UV-c according to
common non-standard practice: 200--280 nm. UV-C according to medical or
dermatological non-standard practice, e.g. Diffey (1991): 200--290 nm.
Usage
UVC(std = "ISO")
Arguments
std
a character string "CIE", "ISO", "none", or "medical".
Value
a waveband object wavelength defining a wavelength range.