Evergreen begins mitigating schools' radon - The Columbian

Work is underway at two Evergreen school district campuses to mitigate elevated levels of radon found in two rooms.

Evergreen High School students break ground — literally — with heavy machinery - The Columbian

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Vancouver Public Schools found radon in 6 of its buildings - The Columbian

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Elevated radon levels found on Evergreen campuses - The Columbian

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