-52 t For accidental releases exposure * (10 CFR 100.1l1(a) (1)) MPLPB (2 hours exposure) = 10 hot particles For unrestricted areas MPSC = 1 hot particle/m2 90 Hearings should be convened to determine as low as practicable regulations. ie 90/ This value is meant for guidance with respect to decontamination of an unrestricted area that has been contaminated with hot particles. In areas wnere an RF arantcr or less than 107% m1 could be shown to apoly, oie MPSo couls altercd appropriately.