Radon backgrounds in the DEAP-1 liquid-argon-based Dark Matter detector de réir Amaudruz, P, Batygov, M, Beltran, B, Boudjemline, K, Caldwell, M, Chen, M, Chouinard, R, Cleveland, B, Contreras, D, Dering, K, Duncan, F, Ford, R, Giuliani, R, Golovko, M, Gorel, P, Graham, K, Grant, DR, Hakobyan, R, Hallin, A, Harvey, P, Hearns, C, Jillings, C, Kuźniak, M, Lawson, I, Li, O