{"schemaVersion":"1.0","generatedAt":"2026-09-22","licence":{"status":"not-yet-granted","spdx":null,"statement":"No licence has yet been granted for SmellBook-created datasets. They are publicly readable; reuse beyond citation and quotation needs permission until a licence is published."},"node":{"entityType":"claim","urn":"smellbook:claim:fuel-vapours-from-attached-garages","key":"fuel-vapours-from-attached-garages","label":"Fuel vapours from attached garages","description":"In 15 houses with attached garages in southeast Michigan, the garages showed high levels of gasoline-related volatile organic compounds such as benzene, and nearly all of the benzene and most fuel-related aromatics in the houses came from the garages.","scope":"Single-family houses in one region; it measures air composition, not odour.","evidenceClass":"scientific","canonicalUrl":"https://smellbook.com/evidence/claims/fuel-vapours-from-attached-garages","attribution":"SmellBook (https://smellbook.com)"},"outgoing":[{"relation":"cites-source","label":"cites source","entity":"smellbook:source:vocs-from-attached-garages-2007","entityLabel":"Migration of volatile organic compounds from attached garages to residences: A major exposure source","record":"/data/graph/source/vocs-from-attached-garages-2007.json","provenance":[{"basis":"claim-record","field":"verifiedClaims[CLM-GARAGE-001].sourceIds","evidenceClass":"editorial"}]},{"relation":"claim-about","label":"claim about","entity":"smellbook:smell:garage","entityLabel":"Garage","record":"/data/graph/smell/garage.json","provenance":[{"basis":"claim-record","field":"verifiedClaims[CLM-GARAGE-001].smellSlugs","evidenceClass":"editorial"}]}],"incoming":[],"corrections":[],"citation":null,"boundary":"Edges are typed and unweighted; none is a similarity, recommendation or personalization score. Browser-local Personal SmellBook data is never part of this export."}