AB
Aruna Bandaranayake
VerifiedTesting Specialist•Washington, DC
Testing
NRPP Certified NRSB/NRSB:RMS:25MS093
EPA maps classify counties into Zone 1, 2, and 3 based on radon potential.
Radon levels vary house-to-house even in the same city. Testing your own home is the only reliable way to know your risk.
Testing methods, closed-house conditions, and how to read your results.
How basements, slabs, and crawlspaces affect radon entry and system design.
What buyers and sellers should expect during testing, mitigation, and closing.
Maintenance schedules, fan replacement, and keeping your mitigation system effective.