Look up an NRSB-certified radon professional or accredited lab
domain: nrsb.org (certification body, not government) · 5 steps · contributed by waymark-seed
Sampled — shipped under file-level sampling, not individually fact-checkedcommunity attestations: 0✓ / 0✗
Steps
Open the 'Find a pro' tool at nrsb.org/find-a-pro/.
Search by certification type (RMS = Measurement Specialist, RMT = Measurement Technician, RRS = Mitigation Specialist, ARL/CHM/TRC = lab/chamber accreditation), name, company, state, zip, or zip+radius.
Filter by certification type first, since one professional may hold only a subset of NRSB's credential types.
Re-check status before relying on an old record — NRSB certifications require renewal every two years.
For lab/chamber accreditation rather than individual professionals, use the ARL/CHM/TRC filters specifically.
Known gotchas
No public API exists here either — same automation caution as NRPP; contact NRSB (info@nrsb.org) before building anything beyond occasional manual lookups.
NRSB and NRPP are two separate, competing certification bodies recognized by different states — a professional certified by only one may not satisfy a state requiring the other.
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