Published on March 15th, 2009 | by Linda Kincaid, MPH, CIH8
Free Testing for Homes with Exotic Granite
Some granite emits substantial amounts of radiation and radon gas. There is no way to tell which stones are radioactive just by looking. Testing is the only way to know for sure. However, the problem granites are more likely to be exotic and to have a lot of “movement”, such as swirls or banding.
Dr. Daniel Steck, a leading radon scientist, is conducting a nationwide survey of homes with suspect granite. Participation in the study is free, and homeowners get their homes tested for radon by one of the country’s most respected radon researchers. If a radon problem is discovered, Dr. Steck will help to identify and resolve the issue.
Participants in the Minnesota Radon Project must:
· Live in a small house with low ventilation
· Have large amounts of exotic granites with movement
· Fill out a questionnaire about the house
· Send digital photos of the house
· Place radon test instruments as instructed and ship them back to the lab
Researchers in the San Francisco Bay Area are also testing suspect granite at no cost. The Bay Area Granite Study will scan granite for radiation to determine if a stone is likely to be a problem. Granite that emits a lot of radiation can also emit a lot of radon. Homeowners with radioactive granite will be referred to the Minnesota Radon Project for additional testing.
The Bay Area Granite Study also focuses on small homes with low ventilation and a lot of granite. The study is especially interested in Jupurana Bordeaux granite. Radioactive Jupurana Bordeaux has been sold by a number of Bay Area granite showrooms, and researchers wish to locate homes where the problem granite was installed.
Logo courtesy of Dr. Daniel Steck
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