{
  "id": "2026-09-16-university-of-washington-hans-rosling-refrigerant-leak",
  "slug": "university-of-washington-hans-rosling-refrigerant-leak-2026-09-16",
  "institution": {
    "name": "University of Washington",
    "shortName": "UW",
    "state": "WA",
    "type": "public-r1",
    "alertSystemName": "UW Alert",
    "enrollment": 48000
  },
  "incident": {
    "date": "2026-09-16",
    "type": "hazmat",
    "cleryCategory": "emergency-notification",
    "resolution": "resolved",
    "headline": "Refrigerant leak in Hans Rosling Center basement; area later cleared",
    "headlinePublic": "Refrigerant leak in Hans Rosling Center basement; area later cleared",
    "summary": "UW Alert [reported a refrigerant leak in the basement of the Hans Rosling Center for Population Health](https://x.com/uwalert/status/2100275199308615789) and [cleared the building 25 minutes later after Seattle Fire monitored air quality](https://x.com/uwalert/status/2100281394144620857).",
    "outcome": "Seattle Fire determined the area all clear."
  },
  "alerts": [
    {
      "sequence": 1,
      "type": "initial",
      "timestamp": "2026-09-16T10:26:43-07:00",
      "channel": "twitter-x",
      "verbatimText": "SFD is responding to a potential hazardous materials incident in the Hans Rosling Center for Population Health. Refrigerant reportedly leaking in basement. Anyone in the building follow SFD instructions and others please avoid the area. Updates at http://emergency.uw.edu/",
      "isVerbatimConfirmed": true,
      "confidence": "high",
      "sourceUrl": "https://x.com/uwalert/status/2100275199308615789",
      "sourceDescription": "@uwalert Hans Rosling refrigerant leak",
      "annotations": [
        "Dual X-native match 2026-09-20: x_thread_fetch and x_keyword_search agree on http://emergency.uw.edu/ as the displayed URL. t.co/sfxBPjoEdN resolves to https://emergency.uw.edu/. fxtwitter/vxtwitter expand the same t.co as https://alert.uw.edu (that host 302s to emergency.uw.edu). sha256 56fc0133cf9aa039b4a3a19c7757d146dcd97c8b0425eb408deb72dac72f298d.",
        "Thread checked +/-48h via from:uwalert since:2026-09-14 until:2026-09-18: only this initial and the all-clear reply 25 minutes later. No further UW Alert posts for this incident."
      ],
      "characterCount": 272
    },
    {
      "sequence": 2,
      "type": "all-clear",
      "timestamp": "2026-09-16T10:51:20-07:00",
      "channel": "twitter-x",
      "verbatimText": "The Seattle Fire Department has monitored the air quality in the Hans Rosling Center for Population Health and determined the area all clear.",
      "isVerbatimConfirmed": true,
      "confidence": "high",
      "sourceUrl": "https://x.com/uwalert/status/2100281394144620857",
      "sourceDescription": "@uwalert Hans Rosling all-clear",
      "annotations": [
        "Triple match 2026-09-20: x_thread_fetch, x_keyword_search, and fxtwitter. sha256 49b8f21d6256c99003d75ec6a530a53d85a3df047f174ee62e2d5a67ad2bbc5f. Reply to 2100275199308615789."
      ],
      "characterCount": 141
    }
  ],
  "context": "UW Alert posts emergency products on [@uwalert](https://x.com/uwalert) and the [UW Alert blog](https://emergency.uw.edu/). Official posts for this incident: the [Hans Rosling refrigerant-leak warning](https://x.com/uwalert/status/2100275199308615789) and the [all-clear](https://x.com/uwalert/status/2100281394144620857).",
  "keyFindings": [
    "Two-message hazmat then all-clear sequence in 25 minutes, limited to the Hans Rosling Center basement refrigerant leak."
  ],
  "sources": [
    {
      "title": "@uwalert Hans Rosling refrigerant leak",
      "url": "https://x.com/uwalert/status/2100275199308615789",
      "type": "official-social",
      "accessDate": "2026-09-20",
      "archiveUrl": null,
      "archiveNotes": "SPN not attempted after 500 flap"
    },
    {
      "title": "@uwalert Hans Rosling all-clear",
      "url": "https://x.com/uwalert/status/2100281394144620857",
      "type": "official-social",
      "accessDate": "2026-09-20",
      "archiveUrl": null,
      "archiveNotes": "SPN not attempted after 500 flap"
    }
  ],
  "confidence": "high",
  "tags": [
    "public-r1",
    "washington",
    "uw",
    "hazmat",
    "fresh-week"
  ],
  "dateAdded": "2026-09-20",
  "lastUpdated": "2026-09-20",
  "addedBy": "ingestion"
}