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| This site was created to help people locate radon testers in the Northern Illinois areas. This site lists many licensed testers and information about what other services they provide. |
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For a radon tester in your area, click on your county on the map to the right, or click on the links below |
For a list of radon testers that provide other services, click on the service links below. |
| Need a testing or mitigation company outside of Illinois? Try the resources at our Links page. | What is radon? Click Here to find out. | |