dose limits

who is overexposure reported to?

state health branch and x-ray supervisors

where do overexposures generally occur in?

cardiac cath lab, special procedures, and careless portable work

high radiation area

any area where an individual could receive a dose to the whole body in excess of 100 mrem in 1 hour

radiation area

any area where an individual could receive a dose to the whole body in excess of 5 mrem in 1 hour

purpose of maximum permissible dose equivalent (MPD)

keep the exposure of the occupationally exposed individuals below a level which adverse effects are likely to be observed during the lifetime of a radiation worker

whole body dose limit

5 rem (50 mSv)

skin and hands dose limit

50 rem (500 mSv)

lens dose limit

15 rem (150 mSv)

non-occupational workers’ limits are ___ the limit of occupational workers

1/10

non-occupational dose limit

.5 rem (5 mSv)

occupational worker dose limit per year

5 rem (50 mSv)

what is the cumulative dose the worker is allowed during his/her employment dependent on?

age and the formula: 1000 mrem x N or 10 mSv x N

what does N represent?

worker’s age in years and is greater than 18