Term
what is the purpose of personnel monitoring |
|
Definition
provides indication of working habits and conditions, determines occupational exposure |
|
|
Term
when do you need a personnel monitor |
|
Definition
when you are likely to recieve 10% or more of the annual EfD (or 1% EfD in a month for most health care places) |
|
|
Term
where is the dosimeter worn when you are not wearing an apron |
|
Definition
front of the body, collar level |
|
|
Term
where is the dosimeter worn when you are wearing an apron |
|
Definition
outside the apron, front of the body, collar level |
|
|
Term
where is the dosimeter for fetus |
|
Definition
primary: collar level secondary: abdomen level |
|
|
Term
what are the characteristics of a personnel dosimeter |
|
Definition
lightweight and easy to carry, durable, can detect small and large doses of radiation, cannot be affected by outside influences, inexpensive, cost-effective |
|
|
Term
|
Definition
sensitive from 10-500 mrem, the density on the film is measured after it has been processed. Its permanent but sensitive |
|
|
Term
|
Definition
aluminum oxide detector which is read by a laser light, contains aluminum, tin, and copper filters. sensitivity from 1 mrem to 1000 rem |
|
|
Term
|
Definition
used in high exposure areas, immediate exposure, expensive |
|
|
Term
thermoluminescent dosimeter (TLD) |
|
Definition
contains lithium flouride that gives off a light proportional to radiation recieved, too expensive |
|
|
Term
|
Definition
secondary monitor when your hands are near the x-ray beam a lot, reuseable |
|
|
Term
name the types of radiation survey instruments used for area monitoring |
|
Definition
gas-filled, ionization chamber (cutiepie), proportional counter, geiger-muller detector |
|
|
Term
what are the features of the Geiger-Muller detector |
|
Definition
most common, can detect all particle emmisions except alpha, audible sound, reads in mR per hour |
|
|