How effective are active radon mitigation systems installed by tract builders versus systems installed by specialized local contractors
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Fan-out diagram
The searches the AI actually ran for this prompt.
SEED QUERY
How effective are active radon mitigation systems installed by tract builders versus systems installed by specialized local contractors
1 real search · 1 real-search pass
EPA radon mitigation active soil depressurization system effectiveness post mitigation testing standards certified contractors builder installed systemsGoogle ↗
OBSERVEDReason
Badge and edge weight = share of passes that produced the query. Hover a query for its intent and routing format.
Query classes
Google's semantic query class for every sub-query: what kind of answer each search is after, simulated vs real.
ChatGPT real searches (1)
Classes come from the query-classifier (a local Laya model). 1 of 1 calls are low-confidence (under 50%) — hover a query in the table to see its confidence.
Searches and sources
ChatGPT1 real searches · gpt-6
EPA radon mitigation active soil depressurization system effectiveness post mitigation testing standards certified contractors builder installed systems Google ↗
- Radon Reduction Technique for Existing Detached Houses Technical Guidance for Active Soil Depressurization Systems, 3rd Edition · nepis.epa.gov
- EPA 625-R-93-001 Radon Reduction Technique for Existing Detached Houses Technical Guidance for Active Soil Depressurization Systems · wbdg.org
- Radon Reduction Technique for Existing Detached Houses Technical Guidance for Active Soil Depressurization Systems · archive.epa.gov
- How do I know if my radon mitigation system is working properly? · epa.gov
- Radon Mitigation Standards · nepis.epa.gov
- Radon Mitigation Standard · floridahealth.gov