Certified radon testers & mitigatorsEntry — verified 29 Aug 2026

Entry № RMT-22ST019

Mark Richard

Protec Inspection Services

Last verified August 29, 2026. Methodology

Credential number
RMT-22ST019
Credential body
NRSB
Status
current Certified. Current in the source file.
Services
testing
City
Poolesville
County
Not on the source file
State
Maryland
Phone
301-972-8531
Source
https://nrsb.org/find-a-pro/
Fig. 5 — Poolesville, MD, approximate. Pin is the city on the official file, not a street address.

§ 5.1

Places on the source file

Claim or update this listing. A claim cannot add someone who is missing from the official file.