found:Its WWW home page, Aug. 12, 2011(Posiva Oy; Posiva) English page (Posiva Oy; Posiva; expert organisation responsible for the final disposal of spent nuclear fuel of the owners; est. 1995; owned by Teollisuuden Voima Oyj (60%) and Fortum Power & Heat Oy (40%)) -http://www.posiva.fi/