Environmental radiation | Wikipedia audio article
Channel: wikipedia tts
Date: 16/06/2019

This is an audio version of the Wikipedia Article:
https://en.wikipedia.org/wiki/Background_radiation


00:00:38 1 Definition
00:01:56 2 Background dose rate examples
00:02:13 3 Natural background radiation
00:04:15 3.1 Terrestrial sources
00:07:01 3.2 Airborne sources
00:10:57 3.3 Cosmic radiation
00:14:35 3.4 Food and water
00:16:44 3.5 Areas with high natural background radiation
00:19:40 3.6 Photoelectric
00:20:02 3.7 Neutron background
00:21:14 4 Artificial background radiation
00:21:25 4.1 Atmospheric nuclear testing
00:22:29 4.2 Occupational exposure
00:23:53 4.3 Nuclear accidents
00:26:13 4.4 Nuclear fuel cycle
00:26:41 4.5 Other
00:28:01 5 Other sources of dose uptake
00:28:11 5.1 Medical
00:29:32 5.2 Consumer items
00:30:17 6 Radiation metrology
00:34:30 7 See also



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SUMMARY
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Background radiation is a measure of the level of ionizing radiation present in the environment at a particular location which is not due to deliberate introduction of radiation sources.
Background radiation originates from a variety of sources, both natural and artificial. These include both cosmic radiation and environmental radioactivity from naturally occurring radioactive materials (such as radon and radium), as well as man-made medical X-rays, fallout from nuclear weapons testing and nuclear accidents.