Find Radon Testers in South Portland, Maine
1 certified radon professional found near South Portland.
Radon Risk Level
EPA data for South Portland area
Average indoor level4.9 pCi/L
0EPA action level: 4 pCi/L10+
High radon state; granite bedrock contributes to elevated levels.
40% of homesin this state test above the EPA action level (4 pCi/L).
The EPA recommends all homes in high-radon states be tested regardless of construction type.
