Estación de Fotobiología Playa Unión
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"EFPU" redirects here. For the airfield with that ICAO code, see Pudasjärvi Airfield.
The Estación de Fotobiología Playa Unión (EFPU) (in English: 'Playa Unión Photobiology Station') is a non-profit organization, devoted to scientific research about the effects of ultraviolet radiation on aquatic ecosystems.