During the year, a worker receives 14 my externally from uniform, whole-body gamina radiation. In addition, he receives estimated 50-y "committed doses of 80 my from interally deposited alpha particles in the lung and 180 mGy from beta particles in the thyroid (a) What is the effective dose for this worker? (b) How much additional external, uniform, whole-body gamma dose could he receive during the year without technically exceeding the NCRP/ICRP annual limit?​