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Winter is the Time to Test for Radon

NEVADA - Elevated levels of radon have been found in 37 percent of the Carson City homes that have been tested, said Susan Howe, program director for the Nevada Radon Education Program through the University of Nevada Cooperative Extension.

Howe was in Carson City this past week to request that the board of supervisors declare January National Radon Action Month.

Howe said that the radon percentage is even higher — 56 percent — in the 89703 zip code, and nearly 43 percent in the 89702 area. In the 89706 neighborhoods, which include a portion of Lyon County, the percentage was nearly 22 percent, and in 89701, it was more than 26 percent. In 89705, which is mostly Douglas County, it was nearly 20 percent.

Radon levels are measured in picoCuries per liter, or pCi/L. Most households testing positive in Carson City were in the 0-20 range, some were up to 50, but one home in the 89701 zip code area measured levels of over 100.

Radon Poses Extra Threat for Homes in Winter Months

The threat of radon makes this the season to be wary.

The gas that can't be seen or smelled but is the second-leading cause of lung cancer — smoking is No. 1 — is a particular peril to this area at this time of year.

"A lot has to do with the geology in this area," said Jerry Weyer of Radon Reduction Specialists in Manitowoc, referring to the traces of uranium in the regional bedrock that converts to radioactive radon gas as it decays. "But houses are shut tight at this time of year — that allows the radon to be sucked into the home."

Kerri and Howard Herrild found that out when they purchased their Ledgeview house in November. A radon test revealed that the gas levels in the home were above 4 picocuries, the radiation safety standard set by the U.S. Environmental Protection Agency.

With a 2-year-old in the house, the Herrilds spent $600 to have a radon reduction system installed before they moved in over the Thanksgiving weekend.