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Rate at which energy is transferred from ionizing radiation to soft tissue. (per unit of travel in a material)
The purpose of personnel radiation monitoring
To insure that radiation exposures are kept below MPD (DEL)
The LET for gamma and X-ray, and the reason
Low, 3 keV/micro meter; both are highly penetrating types of radiation
The "R" part of the ionization chamber voltage curve
Recombination: very low voltage, no electron attracted to electrode; ion pairs recombine
The "I" part of the ionization chamber voltage curve
Ionization: 100 - 300 volts; Ionization chamber operates here; no recombination of ion pairs occurs due to voltage level
The "P" part of the ionization chamber voltage curve
Proportional; The number of secondary ion pairs is proportional to the primary number of ion pairs produced
The "CD" part of the ionization chamber voltage curve
Continuous Discharge; sufficient voltage to cause spontaneous ionization of the chamber gases
The amount of light obtained when the TLD crystal is heated is related to this
How much energy the crystal absorbed
3 General types of occupational exposures that result in the highest dose to workers
The difference between helium and alpha radiation
Alpha has zero electrons and a + 2 charge while, Helium has 2 electrons and no charge
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