Local Radon Test Results

Certified Home Inspections of Northern Indiana LLC conducts hundreds of radon tests in Michiana each year.  Our complied results show approximatley 25% of Michiana homes testing with high levels of radon.

EPA Map of Radon Zones
 

The purpose of this map is to assist National, State, and local organizations to target their resources and to implement radon-resistant building codes. This map is not intended to be used to determine if a home in a given zone should be tested for radon. Homes with elevated levels of radon have been found in all three zones. All homes should be tested regardless of geographic location.  Important points to note:

• All homes should test for radon, regardless of geographic location or zone designation
   
• There are many thousands of individual homes with elevated radon levels in Zone 2 and 3.  Elevated levels can be found in Zone 2 and Zone 3 counties.
   
• All users of the map should carefully review the map documentation for information on within-county variations in radon potential and supplement the map with locally available information before making any decisions.
   
• The map is not to be used in lieu of testing during real estate transactions.

The Map was developed using five factors to determine radon potential: indoor radon measurements; geology; aerial radioactivity; soil permeability; and, foundation type. Radon potential assessment is based on geologic provinces. Radon Index Matrix is the quantitative assessment of radon potential. Confidence Index Matrix shows the quantity and quality of the data used to assess radon potential. Geologic Provinces were adapted to county boundaries for the Map of Radon Zones.
Sections 307 and 309 of the Indoor Radon Abatement Act of 1988 (IRAA) directed EPA to list and identify areas of the U.S. with the potential for elevated indoor radon levels. EPA's Map of Radon Zones assigns each of the 3,141 counties in the U.S. to one of three zones based on radon potential:

	Zone 1 counties have a predicted average indoor radon screening level greater than 4 pCi/L (pico curies per liter) (red zones)	Highest Potential
	Zone 2 counties have a predicted average indoor radon screening level between 2 and 4 pCi/L (orange zones)	Moderate Potential
	Zone 3 counties have a predicted average indoor radon screening level less than 2 pCi/L (yellow zones)	Low Potential

Indiana

IMPORTANT: Consult the EPA Map of Radon Zones document (EPA-402-R-93-071) before using this map.  This document contains information on radon potential variations within counties. EPA also recommends that this map be supplemented with any available local data in order to further understand and predict the radon potential of a specific area. If you have questions about radon in water, see www.epa.gov/radon/rnwater.html or contact your State Radon Coordinator.
EPA Recommends: 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. Radon levels less than 4 pCi/L still pose a risk, and in many cases may be reduced.

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Our Home Inspectors Perform Inspections in the Following Areas:
South Bend, Mishawaka, Granger, Osceola, Lakeville, Elkhart, New Carlisle,
Walkerton, Nappanee, North Liberty, Niles, MI, Edwardsburg, MI

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National Association of Home Inspectors

Certified Home Inspections of Northern Indiana, LLC
Education and Discovery of Maintenance in Homes™
Phone: 574-231-5000 • Fax: 574-231-0557
19237 Edinburgh Drive, South Bend, IN 4661