Datasets > Vector data > Pennsylvania > 2020-2024

EPA Map of Radon Zones [Pennsylvania] {2021}

United States. Environmental Protection Agency · 2021 Full Details

Full Details

Title
EPA Map of Radon Zones [Pennsylvania] {2021}
Description
The purpose of this map is to assist national, state and local organizations to target their resources and to implement radon-resistant building codes. The Map of Radon Zones was developed in 1993 to identify areas of the U.S. with the potential for elevated indoor radon levels. The map is intended to help governments and other organizations target risk reduction activities and resources. The Map of Radon Zones should not be used to determine if individual homes need to be tested. No matter where you live, test your home for radon—it’s easy and inexpensive. Fix your home if your radon level is 4 picocuries per liter (pCi/L) or higher. Consider fixing if your level is between 2 and 4 pCi/L. The Map of Radon Zones was developed using data on indoor radon measurements, geology, aerial radioactivity, soil parameters, and foundation types. EPA recommends that this map be supplemented with any available local data in order to further understand and predict the radon potential for a specific area.
Creator
United States. Environmental Protection Agency
Date Issued
2021
Access Rights
Public
Format
File
Language
English
Date Added
August 28, 2025

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  • Citation
    United States. Environmental Protection Agency (2021). EPA Map of Radon Zones [Pennsylvania] {2021}. . https://www.pasda.psu.edu/uci/DataSummary.aspx?dataset=436 (dataset)
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