Ultraviolet lys: Forskelle mellem versioner

 

 

<ref>[http://www.albinism.org/publications/sunprotection.html Sun Protection] Citat: "...As much as 96% of ultraviolet rays can penetrate clear water..."</ref>

<ref>[http://www.who.int/mediacentre/factsheets/fs271/en/ WHO: Ultraviolet radiation: global solar UV index] Citat: "...Water offers only minimal protection from UV radiation, and reflections from water can enhance your UV radiation exposure..."</ref>