Newfoundland and Labrador, Canada

Radon testing in Newfoundland and Labrador

Latest credential check on this page: October 13, 2026. Each record carries its own date. Canadian sources and verification.

Radon testing Radon mitigation

Testing listings hold a C-NRPP measurement credential (CRT). Mitigation listings hold a C-NRPP mitigation credential (CRMT).

3 current C-NRPP testing credentials whose official record names a city in Newfoundland and Labrador, ordered by that city. This is partial coverage of professionals with an address on file, not a list of everyone who serves the province or territory.

A C-NRPP certification is not a provincial licence. Confirm the credential and ask whether the professional serves your building before hiring. Check a C-NRPP number.

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3 listings. Type to narrow the list.

Name / company	City	C-NRPP credential	Service	Valid through	Last verified
Katherine Thorne Transfer Radon	Middle Cove	CRT-202730	testing	July 1, 2028	October 13, 2026
Stephen Thorne Transfer Radon	Middle Cove	CRT-202543	testing	July 1, 2028	October 13, 2026
Yolanda Verge Pinchin Ltd.	St. John's	CRT-202736	testing	July 1, 2028	October 13, 2026

Fig. 1 — Cities on these records, approximate. Each pin marks the official Canadian Geographical Names Database city reference point, not a business address or service area.

Map source: Natural Resources Canada city reference points. Contains information licensed under the Open Government Licence – Canada.