How to read a radon test result (pCi/L)
What 1, 2, 4 or 10 pCi/L means, using EPA and NH guidance.
Short-term vs long-term radon tests
Which test to use, how long it runs, and when to follow up.
Radon testing when buying or selling a home in NH
How real estate radon tests work and what buyers and sellers should ask.
Radon in well water in New Hampshire
Who should test, NHDES guidance levels, and how water radon is treated.
Radon mitigation basics
How radon systems work, certification in NH, and what to check afterward.
When to retest for radon
Retesting schedules after a low result, renovations, or mitigation.