What is Radon?
Radon is a colorless, odorless and tasteless radioactive gas. It comes from the
natural breakdown of uranium in the ground.
Radon moves up through the ground and gets into the home through
cracks, open seams and holes in the foundation.
Radon and its decay products, when inhaled, become lodged in the lungs where they can radiate the cells lining the respiratory system. Alpha particles emitted by the radioactive decay products of radon are damaging to the lung tissues. Exposure to elevated levels of radon greatly enhances the risk of lung cancer.
How to test for radon:
There are two categories of radon tests: Short Term and Long Term Tests. Short term tests measure radon levels for exposure for a period of 2 days (minimum recommended by EPA and NCDHHS) up to 90 days, depending on the device used. Short term tests (48 hours) are extremely useful when results are needed
quickly, such as during real estate transactions. Long term testing is 90 days or more.
Interpreting the test results:
Radon is measured in Pico Curies Per Liter (pCi/L). The EPA (Environmental
Protection Agency) and NCDHHS (North Carolina Department of Health and Human Services) recommend that levels at or above 4 pCi/L be reduced through mitigation.
Reducing high levels of radon:
Indoor radon levels can easily be lowered by installing a radon mitigation system that collects radon prior to its entry into the home and discharges it safely outside. This is, however, not a "do-it-yourself" project. Only North Carolina licensed mitigation companies should be consulted for this purpose.
