RT Report T1 Ultraviolet Radiation: Environmental Health Criteria 14 A1 United Nations Environment Programme, A1 World Health Organization, K1 ultraviolet radiation K1 environmental health K1 solar radiation K1 gas leakage K1 chemical K1 radiation effect K1 radiation level K1 cancer SN 92 4 154074 5 YR 1979 FD 1979 LK https://wedocs.unep.org/handle/20.500.11822/29288 UL https://wedocs.unep.org/handle/20.500.11822/29288 NO Exposure to ultraviolet radiation (UVR) occurs from both natural and artificial sources. The sun is the principal natural source. The known effects of UVR on man may be beneficial or detrimental, depending on a number of circumstances. Finally, the document describes existing protection and control measures such as the containment of UVE sources, and methods for personal protection including the use of sunscreen preparations, clothing, transparent material for eye and skin protection, and behavioural modifications. DS UN Environment Document Repository RD Sep 24, 2026