Certified radon testers & mitigatorsVirginia — testing — verified 29 Aug 2026

§ 4.1 — Bristow, VA

Certified radon testing in Bristow, VA

3 current listings from the official file. Verify the credential number before you hire.

Last verified August 29, 2026. Methodology NRPP. NRSB.

Certified radon testingCertified radon mitigation

  1. Jason L Walker

    Nova Radon Testing, Llc

    current NRPP № 110326

    testing

    (703) 932-8156August 29, 2026cite ↗

  2. Randall Frederick Lambert Ii

    Lambert Home Inspections, Llc

    current NRPP № 109281

    testing

    (703) 468-8522August 29, 2026cite ↗

  3. Sebastian Aste

    Aste, Llc.

    current NRSB № RMS-18SS037

    testing

    August 29, 2026cite ↗
Fig. 4 — Bristow, VA, approximate. Pin is the city on the official file, not a street address.

Appendix A — Before you hire

  1. Who holds the credential, and can they show the same number that appears on this page?
  2. What test method or mitigation system will they use for this building?
  3. How will they document results or the finished system?

§ 4.3

Nearby places in Virginia

Virginia pages here use current NRPP or NRSB certifications. City pages use the city printed on that record, not a ZIP-radius search. A national certification is not a Virginia license. Some states require a separate state credential to work legally. Read the methodology. Credential status can change.