December 2013 Working Reports contain information on work in progress or pending completion. Kalle Hollmén, Ursula Sievänen Saanio & Riekkola Oy Johan Funehag, Nils Granberg Tyrens AB Tapani Lyytinen, Pauli Syrjänen ELY Management Oy Jarno Säippä SK-Kaivin Oy Working Report 2012-84 Colloidal Silica–Grouting in Demonstration Tunnel 2 in ONKALO