Radon Potential Maps with Supplemental Information
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Radon Information
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Above 148 Bq/m3
74 Bq/m3 - 148 Bq/m3
Less than 74 Bq/m3
Description
Zone (1): Potential for radon levels above 148 Bq/m3 according to
EPA
Zone (2): Potential for radon levels between 74 Bq/m3 and 148
Bq/m3 according to the EPA
Zone (3): Lowest EPA level with expected radon levels at or below
74 Bq/m3
The radon levels in the state of Arizona are average. That being said, radon can seep into any home old or new. We recommend testing your home at least twice a year.