Study sets, textbooks, questions
Upgrade to remove ads
1.05 Sources of Radiation
Terms in this set (14)
Define background radiation
Background radiation is a natural source of exposure.
What are the four sources of natural background radiation?
1. Terrestrial radiation
2. Cosmic Raditaiton
3. Internal Emitters
4. Inhaled Radionuclides
What is the origin, radionuclides, variables and contribution to exposure of terrestrial radiation?
1. Soil, water
2. Uranium and thorium series
3. Annual 28 millirem exposure
What is the origin, radionuclides, variables and contribution to exposure of cosmic radiation?
1. galatic cosmic rays, solar cosmic rays, interactions with rays in atmosphere.
2. Gamma rays
3. Annaul 27 millrem exposure.
What is the origin, radionuclides, variables and contribution to exposure of internal emitters ?
2. K-40, Ra-226, Ra-228
3. Annual 39 millirem exposure.
What is the origin, radionuclides, variables and contribution to exposure of inhaled radionuclides ?
2. U-238, Ra-226
3. Annual 200 millirem exposure
What are the four sources of artificially produced radiation
1. Nuclear fallout
2. Medical Exposures
4. Nuclear facilities
What is the magnitude of dose received from nuclear fallout?
1 millirem/ yr
What is the magnitude of dose received from medical exposures?
53 millirem/ yr
What is the magnitude of dose received from consumer product exposures?
What is the magnitude of dose received from Nuclear Facility exposures?
< 1 mrem/yr
Which source of radiological exposure from natural background radiation has the largest exposure annually?
Inhaled (radon) at 200 mrem/yr
Which source of radiological exposure man-made background radiation has the largest exposure annually?
Medical exposures at 53 mrem/yr
What is the combined annual exposure from both natural and man-made sources?
Sets with similar terms
Ch 6 - X-ray Circuit & Tube
Sets found in the same folder
1.03 Physical Sciences
1.04 - NUCLEAR PHYSICS
1.06 - RADIOACTIVITY AND RADIOACTIVE DEC…
Other sets by this creator
1.02 - UNIT ANALYSIS & CONVERSION
1.11 - EXTERNAL EXPOSURE CONTROL
1.10 - ALARA
1.09 - RADIATION PROTECTION STANDARDS
Other Quizlet sets
Env121 Mid-Term: Bilateral Worms
Religion: Holy Longing/Enneagram/Adler
Gly 108 Chapter 7 Exam 2
AP Psychology: Unit 3: Biology