Certified radon testers & mitigatorsEntry — verified 29 Aug 2026

Entry № RMS-25M079

Mark Collazo

Alc Environmental

Last verified August 29, 2026. Methodology

Credential number
RMS-25M079
Credential body
NRSB
Status
current Certified. Current in the source file.
Services
testing
City
New York
County
Not on the source file
State
New York
Phone
Not on the source file
Source
https://nrsb.org/find-a-pro/
Fig. 5 — New York, NY, 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.