Entry № RNI2019211

Douma, Mark

Summit Ridge Inspection Group, Llc

Last verified August 29, 2026. Methodology

Compare every credential-verified provider: Radon testing in Manhattan, IL.

Credential number
RNI2019211
Credential body
IL IEMA
Status
current Licensed. Current in the source file.
Services
testing
City
Manhattan
County
Not on the source file
State
Illinois
Phone
815-269-5075
Source
https://public.iema.state.il.us/Radon/Home/LicenseIndex
Fig. 5 — Each pin is a current listing at the Census city or county centroid on the file, approximate. Pins that share a place are spread so you can click them. Not street addresses.

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