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Radiation Therapy

Radiation Safety Memory Matrix

Term for radiation in air. Exposure
SI unit for exposure. Roentgen (R)
Alternate unit for exposure. Coulomb (C)
Conversion factor for exposure. 1R=2.48X10^-4C per gram of air
Term for the amount of energy absorbed by mass. Absorbed Dose
SI unit for absorbed dose. Gray (Gy)
Alternate unit for absorbed dose. rad
Conversion factor for absorbed dose. 1Gy=100cGy
Term for equalizing the energy given by different particles? Dose Equivalent
Alternate unit for dose equivalent. rem
SI unit for dose equivalent. Sievert (Sv)
Conversion factor for dose equivalent. rem=rad x QF (quality factor)
Term for rate of energy leaving over time. Activity
SI unit for activity. Curie (Ci)
Alternate unit for activity. Becquerel (Bq)
Conversion factor for activity. 1 Ci= 3.7x10^10Bq
Annual occupational exposure limit for dose equivalent limits for nonstochastic? Lens of the eye? 150 mSv 15 rem
Annual occupational exposure limit for effective dose limit stochastic effects. 50 mSv 5 rem
Annual occupational exposure limit for dose equivalent limits for tissues and organs nonstochastic effects. All others, gonads, red bone marrow, breast, lungs, extremities, skin. SI and alternate units. 500 mSv 50 rem
Annual occupational exposure limits for guidance cumulative exposure; workers? 10 mSv x age 1 rem x age
Conversion factor for occupational exposure? 1mSv = 0.1rem 1 rem = 10 mSv
Public annual exposure limit for effective dose equivalent, continuous, or frequent exposure. 1 mSv 0.1 rem
Public annual exposure limit for effective dose equivalent, infrequent exposure. 5 mSv 0.5 rem
Public annual exposure limit for remedial action recommended when effective dose equivalent, exposure to radon and it's decay products. <0.007 Jhm^-3 >2 WLM
Annual public exposure limit for the lens of the eye, skin, and extremities? 50 mSv 5 rem
Annual education and training exposure limit effective dose equivalent limit? 1mSv 0.1 rem
Annual education and training exposure limit dose equivalent limits for lens of the eye, skin, and extremities? 50 mSv 5 rem
Conversion factor for annual radiation exposure for education and training. 1 mSv=0.1 rem 1 rem=10mSv
Embryo fetus exposure limit total dose equivalent limit? 5 mSv 0.5 rem
Embryo fetus exposure limit dose equivalent in a month? 0.5 mSv 0.05 rem
Negligible individual risk level effective dose equivalent per source or practice. 0.01 mSv 0.001 rem
Created by: amy wiseman
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