ME
Michael E. Walther
VerifiedEllicott City, MD
TestingCommercial
NRPP Certified RMS/RMP
EPA zone context: Western Maryland is Zone 1 with significant radon risk. The Baltimore metro area is Zone 2. The Eastern Shore is Zone 3.
Not sure what service you need?
Take the 90-second radon assessmentTesting 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.