Msy Tenn Type Of Dose 50 5 Occupational Exposures Annual 1 Limit For Stochastic Effects 2 Limit For Non Stochastic 1 (308.03 KiB) Viewed 11 times
Msy Tenn Type Of Dose 50 5 Occupational Exposures Annual 1 Limit For Stochastic Effects 2 Limit For Non Stochastic 2 (209.91 KiB) Viewed 11 times
msy Tenn Type of Dose 50 5 Occupational exposures (annual): 1. Limit for stochastic effects 2. Limit for non-stochastic effects. a. Lens of the eye b. All other organs 3. Guidance: cumulative exposure 150 15 500 50 age (y) x 10 1 1 0.1 Public esposures (annual): 1. Continuous or frequency exposure 2. Infrequent exposure 3. Remedial action levels: 4. Lens of the eys, skin and extremities 15 0.5 5 0.5 50 5 Embryo-fetus exposure: 1. Effective dose equivalent 2. Dose equivalent limit in a month 5 0.5 0.5 0.05 Negligible individual risk level (annual): 1. Effective dose equivalent per source or practice 0101 0.001
PROBLEMS 1. In an infinite homogeneous medium containing a uniformly distributed radionu- clide source emitting radiation energy at a rate of E MeV cm-3 5+1, energy s must be absorbed uniformly by the medium at the same rate. Consider an infinite air medium with a density of 0.0012 g/cm containing tritium (half-life 12.33 y and emitting beta particles with an average energy of 5.37 MeV/decay) at a concentration of 2.3 pCi/L. What is the air-kerma rate (Gy/h)? 3
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