Find Radon Testers in Johnson City, Tennessee
3 certified radon professionals found near Johnson City.
Radon Risk Level
EPA data for Johnson City area
Average indoor level3.2 pCi/L
0EPA action level: 4 pCi/L10+
Moderate potential; eastern TN mountains higher.
19% of homesin this state test above the EPA action level (4 pCi/L).