Find Radon Testers in Richardson, Texas
1 certified radon professional found near Richardson.
Radon Risk Level
EPA data for Richardson area
Average indoor level1.7 pCi/L
0EPA action level: 4 pCi/L10+
Generally low potential; Panhandle and Hill Country moderately higher.
5% of homesin this state test above the EPA action level (4 pCi/L).
