PROVIDENCE, R.I. (WJAR) — Months after an NBC 10 I-Team investigation uncovered that parents and staff were kept in the dark about elevated radon levels in a basement classroom at Classical High School, new test results show the problem persists three years later.
Radon is an odorless, toxic gas that seeps into buildings through cracks in the foundation.
It’s the number one cause of lung cancer among non-smokers, which is why schools are required to test for it…