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This document specifies procedures for the measurement and assessment of personal exposures to ultraviolet (UV) radiation emitted by artificial sources, where adverse effects can not readily be excluded. NOTE 1 Adverse effects will usually not occur in exposures caused by commonly used artificial lighting. However, exposures to very strong light sources or light sources with extended spectra may cause a health risk nevertheless. This document applies to UV-exposures in indoor and outdoor workplaces. It does not apply to UV-exposures in leisure time. This document does not apply to UV-exposure caused by the sun. NOTE 2 Part 3 of this standard will deal with UV-exposure caused by the sun. This document does not specify UV-exposure limit values. It supports the application of limit values set by national regulations or international recommendations. This document applies to UV-exposures by artificial incoherent sources, which emit spectral lines as well as continuous spectra. This document does not apply to coherent radiation sources. NOTE 3 Coherent optical radiation sources are covered by standards for lasers, like EN 60825-1 etc.. This document applies to UV-exposures in the wavelength band 180 nm to 400 nm. This document does not apply to radiation exposures which concern the retina. NOTE 4 Part 2 of this standard will address these effects. This document does not apply to radiation emissions of products. NOTE 5 For radiation emissions of products other standards apply, such as: EN 60335-2-27 (IEC 60335-2-27) for sunbeds, EN 60335-2-59 (IEC 60335-2-59) for insect killers and EN 12198 for radiation emissions of machinery.