Entry № 3163

Ralston, Jeffrey

Last verified August 29, 2026. Methodology

Credential number: 3163
Credential body: PA DEP
Status: current Certified. Current in the source file.
Services: mitigation, testing
City: Bloomsburg
County: Columbia
State: Pennsylvania
Phone: (570) 384-3574
Source: https://www.pa.gov/agencies/dep/programs-and-services/radiation-protection/radon-division/radon-services-directory

Fig. 5 — Columbia County, PA, approximate. Pin is the county 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.