Envirolabs Incorporated, a nationwide testing company is proud to have its headquarters in Montgomery County, Maryland the first county in the country to enact legislation making testing for radon a mandatory part of a real estate transaction. To support this effort to protect its citizens from radon, Envirolabs will offer its state-of-the-art NORAD continuous monitor testing to house sellers wanting to test their houses prior to a home inspection, for a limited time only for $140 per test. This offer is exclusive to sellers and cannot be used as part of a home inspection. For more details on this offer please contact Envirolabs Incorporated Gaithersburg office at (301) 468-6666