851 - Note : A handheld survey instrument can be used to more accurately locate the source...
Type
Note
A handheld survey instrument can be used to more accurately locate the source of radiation.
Step 00
853 - Locate area with highest level of radiation
Locate area with highest level of radiation
852 - A gradual 360° turn may be needed to determine the direction of the source. ...
A gradual 360° turn may be needed to determine the direction of the source. Move in the direction of increasing radiation. Continue moving until radiation levels begin to decrease.