The basics
Survey Meters locates ______ or detects ______ _____
contamination, radioactive material
When should personal surveys be done
Daily, at the end of the work day
area survey records must be retained for ____
3 years
when receiving packages what distances are surveys at
1m and at the surface
unrestricted areas have limits of ____ mRem/hr
</= 2 mRem/hr
the standard unit
mRem/hr
What should be surveyed when doing personal surveys
Hands, feet, clothes
when trigger levels are reached, the ___ & ___ should be notified
Radiation Safety Officer, Radiation Safety Committee
surface/1m of a radioactive 1 package
0.5mRem/hr, 0mRem/hr
unrestricted areas have limits of _____ mRem/yr
</=100 mRem/yr
When are Survey Meters used? (5 answers)
area surveys, personal surveys, contamination, receiving packages, and quality control
Where should personal surveys be done
In areas of dose prep/ adminstration
Results of surveys to determine dose from external sources must be kept for:
duration of license
surface/1m of a radioactive II package
50mRem/hr, 1mRem/hr
restricted areas have limits of ____ mRem/hr
>2 mRem/hr
This Survey Meter is best at detecting low levels of radiation
Gieger counter
This Survey Meter is best at detecting high levels of radiation above 1 mRem/hr
QT pie
All detectors must convert ______ into electrical signals
Gamma Rays
surface/1m of a radioactive III package
200mRem/hr, 10mRem/hr
restricted areas have limits of _____ mRem/yr
> 100mRem/yr
shelf life of MAG3
up to 6 hours
M.O.L of F-18 Bone scan
chemisorption
What is 99Mo breakthrough
0.15uCi 99Mo / mCi 99mTc
3 steps to Xe-133 vent
single breath, equilibrium breathing, washout
Yearly occupational dose limit for whole body exposure
5 REM