rad protection dosimeters exam 2 Flashcards
(47 cards)
measuring individual occupational dose
dosimetry
_____ is measured withh dosimeter
exposure
dosimeters detect and record exposures due to ______
ionization in air
how much radiation reaches individual
exposure
most common dosimeter
film badge
film badges are measured
monthly
film badges can detect which kind of radiation
xray, gamma, beta
sensitivity of film badge
10 mR-500 rem
filters in a film badge (2)
aluminum ( soft tissue) shallow
copper (bone) deep
radiation dose is equivalent to (for film badge)
density on film
minimal radiation dose is considered less than
10 mR
which badge is kept in box to prevent radiation exposure during transportation
control badge
sensitive to humidity, heat, fluids badge incident report
control badge
which dosimeter do we wear
OSL
when is OSL measured
monthly
OSL has what kind of filter
aluminum oxide (crystals)
what reads the OSL
laser beam
sensitivity of OSL
1 mrem-1000rem
OSL sensitive to
humidity, heat, moisture
usuage on TLD
1-3 months
lithium fluoride crystals
TLD
sensitivity on TLD
5 mRem- 1000s REMS
not as sensitive as OSL, but more than film badge
TLD
pocket dosimeters are
most sensitive