Radon and the Need for Re-Testing

Radon, an insidious Class A carcinogen gets into homes, schools and buildings which can become trapped resulting in radioactive exposure many are unaware of. If radon levels are elevated, the occupants are at risk of increased exposure.

The way to fix a building with elevated radon levels is by installing a sub-slab depressurization radon mitigation system to remove the radon. How do you know the levels are safe once the system is installed? Re-test the property 24-48 hours after the system is active and running.

Unfortunately, may homeowners never re-test post mitigation. The only way to know if a system is working properly is to re-test the property after initial installation and every 2+/- years following installation. If levels are still elevated post mitigation, additional suction points may need to be added or possibly a larger fan. You won’t know unless you re-test! Some homes may require more than one system and this can be dependent on if there is one foundation slab, split foundations, large extensions or size of the home.

For a safe internal home or building environment, testing for radon every 2+/- years and re-testing when appropriate is imperative to keep radon concentrations below EPA action level of 4.0pCi/L and preferably, below the EPA’s concern range of 2.0-4.0pCi/L.

Test Your Home…Protect Your family!

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