Certified radon testers & mitigatorsEntry — verified 29 Aug 2026

Entry № 114372

Jonathan J Walker

Jonny Radon Llc

Last verified August 29, 2026. Methodology

Credential number
114372
Credential body
NRPP
Status
current Certified. Current in the source file.
Services
mitigation
City
Bristow
County
Not on the source file
State
Virginia
Phone
(703) 344-6612
Source
https://nrpp.info/listings/bl-14574.html
Fig. 5 — Bristow, VA, 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.