one Las Vegas real estate agent said. That’s because once a seller is aware their home has elevated levels of radon, they are required by law to disclose that information to potential buyers.

One cannot see, smell or taste it, but radon may still ... “The action level is 4, so that’s more than 15 times the action level.” Because most homes in Las Vegas are built on slabs ...

In Nevada, nearly 26% of homes tested have radon levels at or above the Environmental Protection Agency’s action level of 4.0 picocuries per liter (pCi/L). The World Health Organization recommends ...