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A Small Dose of Radiation (10/21/05)

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RADIATION DOSSIER (Nonionizing, Ionizing)

Name: Nonionizing Radiation
Use: power transmission, communication, illumination, heating, cooking, vision, photosynthesis (sun light), etc.
Source: Ultraviolet light, visible light, infrared radiation, microwaves, radio & TV, power transmission
Recommended exposure: different depending on source, i.e. sun light can damage skin
Absorption: depends on source
Sensitive individuals: variable, i.e. fair skinned children (sunburn)
Toxicity/symptoms: Depends on source. Solar radiation: sun burn, cataracts, cancer; microwave radiation: warming of skin or internal organs, controversy exists around exposure to low frequency energy such as AC power lines.
Regulatory facts: government regulates exposure
General facts: long history of use
Environmental: Our dependency on energy results in a range of consequences for example drilling for oil and mining coal to run power plants to generate electricity, in turn mercury is released in the atmosphere from burning coal
Recommendations: depending on individual sensitivity; limit exposure to solar radiation (ultraviolet radiation); reduce energy consumption


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Name: Ionizing Radiation
Use: nuclear power, medical x-rays, medical diagnostics, scientific research, cancer treatment, cathode ray tube displays
Source: Radon, x-rays, radioactive material produce alpha, beta, and gamma radiation, cosmic rays from the sun and space
Recommended daily intake: none (not essential)
Absorption: interaction with atoms of tissue
Sensitive individuals: children, developing organisms
Toxicity/symptoms: damages DNA leading to cancer
Regulatory facts: heavily regulated
General facts: long history of exposure to low levels
Environmental: many cleanup sites form radioactive waste
Recommendations: limit exposure

REFERENCES / ADDITIONAL INFORMATION

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References

Radium Girls: Women and Industrial Health Reform, 1910-1935
by Claudia Clark, Publisher: University of North Carolina Pr; ISBN: 0807823317; (June 1997). 384 pages.

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