Radon Testing CompaniesMississippi file — NRPP / NRSB
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Chapter 04 — The Mississippi file

Radon testing in Mississippi

This site imports no Mississippi state roster, so these are current NRPP and NRSB certifications from those programs’ public finders. A national certification is not a state license. We group people by the city on that file. We do not invent neighborhoods. Source: NRPP.

Latest credential check September 13, 2026. Methodology Individual record dates may be earlier.

1current listings
1testing
0mitigation
Fig. 4 — 1 of 1 current listings are mapped. Each pin is a current listing at the Census city or county centroid on the file, approximate. Pins that share a place are spread so you can click them. Not street addresses.

§ 4.1

Cities with listings

A city appears only when at least one current listing serves it.

§ 4.3

How to verify a radon credential in Mississippi

We have not confirmed whether Mississippi requires a state radon credential. Treat this as unknown, not as "none required", and ask the Mississippi radon program. Listings here are current NRPP or NRSB certifications, which are national and are not a state license.

NRPP finder · NRSB finder · EPA guidance · All fifty states · reviewed September 8, 2026

§ 4.4

Questions about radon credentials in Mississippi

Does Mississippi license radon testers and mitigators?

We have not confirmed whether Mississippi requires a state radon credential. That means unknown, not that none is required. We do not guess at state law, so this site publishes no answer it has not checked. Ask the Mississippi radon program.

How do I verify a radon credential in Mississippi?

The 1 listings shown here are current NRPP or NRSB certifications, verifiable on those programs' public finders. The latest record check was September 13, 2026; check each listing for its own date. If Mississippi also requires a state credential, ask the provider for it and check it with the state agency.

Is an NRPP or NRSB certification enough in Mississippi?

We cannot say for Mississippi, because we have not confirmed whether the state requires its own credential. A national certification is never a state license anywhere. Treat NRPP or NRSB as evidence of training, then ask the state radon program what else is required.