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Discovery of Radon
Pierre and Marie Curie first observed the radiation, later Ernest Rutherford & Robert B. Owens experiment to discover radium emanates radioactive gas. -
The Three Gases of Radon
Names were suggested for the three gases as: exradio, exthorio, and exactinio, however were not made official since they were mere suggestions -
Radon is the Heaviest Gas?
Ramsay and Robert Whytlaw-Gray isolated radon to determine it's density and concluded Radon to be the heaviest known gas. -
The Real Decided Names of Radon Gases
The official names were decided to be: radon, thoron, and actinon -
The Official Documentation
The first documentations lead back to the 1950s -
First Synthesized Compound
The first synthesized compound was Radon Flouride -
Radon Research
Research initiated to figure out the causes of indoor radon radiation as well as the harmful health effects -
Indoor Radon Program
During the late 1980’s the EPA established an extensive Indoor Radon Program which provided funding to the states through State Indoor Radon Grants. This program made publications available for the states to distribute important information about radon to the public, established regional training centers for radon professionals and a radon proficiency program for radon testers. -
Worldwide Survey
In 1986, VDH conducted a state-wide survey of 800 homes and found that approximately 12% of the homes that were screened for radon had elevated levels of radon above 4 picocuries/liter