Question

 

1- what are radiation protection standards based on (where does the data come from)?

2- What are some of the typical symptoms/injuries from radiation exposure? (ie fatigue, nausea, blood changes are syptoms of radiation sickness whereas, cataracts, cancers, birth defects, etc. are some possible “injuries” from exposure)

3-What type(s) of effects are the radiation protection standards trying to prevent?

4- In general, how do limits for the general public compare to those for occupational exposure?

Answer 1

1- The radiation protection standards is based on estimates of genetic hazard sto man. This data has been achieved by the effect of radation on mice and from acute rather than chronic irriadiation.

2- Reduction in lymphocyte and neutrophils, Nausea nad fatigue with possible vomiting, Long term effect like shorten life expectancy in order of 1%, loss of apetite, genetic malaise, sore throat, pallor,petecheae,diarrhea, moderate emaciation are some  of the typical symptoms of radiation exposure.

3- Radiation protection standards aims to prevent thr occurence of acute effect  (e.g., radiation burns, cataracts and acute radiation sickness) and ensure that precautions are taken to reduce long term effect like cancer to a level that is acceptable to society.

4- SInce general public donot get direct compensation in return of exposure as, nor they formally accept the risk of exposure. Therefore, limit set for general public is significantly less. Occupational doses are currently limited to 50 mSv per year, whereas exposures to the general public are limited to 1/50 of that: 1 mSv per year (approximately the same as the annual background dose from sources excluding radon) .