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Discovery
Ernest Rutherford, a New Zealand scientist, discovered a rare isotop called radon- 220 -
Another discovery
German physicist named Friedrich E Dorn, discovered radioactive gas that emitted from radium. He is also credited with the discovery of radon -
Radon in Water
Some of the first tests for radon in water were conducted by Cambridge University water system -
Radon on the periodic table
In 1903, Sir William Ramsay determined the atomic weight of radon and put it in Group 18 of the periodic table. -
Given a name
Radon got its name in 1923. A man named Curt Schimdt came up with the name and it was later accepted by International Committee for Chemical Elements -
Awareness
The Public Health Service, published a pamphlet that warned about the hazards of radon exposure and distributed them to miners. -
Lung cancer and uranium mining
The PHS gave conclusive evidence that lung cancer and uranium mining were connected -
Three Mile Island
This accident that happened in Pennslyvania, release about 15 curies or radiation the the the air -
Detction in homes
RDS (Radon Detection System) was the only company providing residential and commercial radon testing -
Chernobyl
The people living near the Chernobyl plant received an average dose of about 300 mSv. An area about 30 kilometres around the plant is uninhabited -
Radon in schools
EPA conducted the School Protocol Development Study,
a nationwide effort to further examine how best to conduct radon measurements in schools. -
Radon in drinking water
The NAS issued a report on radon sayig that is a serious peublic health threat and it is in our drinking water . -
Radon and Cancer
In 2003,the National Academy of Sciences and the Environment Protection Agency estimated that in the U.S., radon in homes causes 21,100 lung cancer deaths each year. -
"Eddie's story"
The EPA asked for video submissions with the theme "Radon: Test, Fix, Save a Life" encouraging Americans to test and fix their homes for radon, The winning video in the Contest, was “Eddie’s Story,” featured the true story of lung cancer survivor Eddie Metcalfe. -
Fukushima
More than 150,000 residents had to flee their homes because of radiation contamination. 36,000 terabecquerels were released
