Hazmat crew clears UW Denny Hall evacuation; substance found to be non-hazardous Hazmat teams cleared a University of Washington building after a non-hazardous substance prompted a fire crew response.Share this: Seattle Fire makes hazmat response after alarm at Capitol Hill dinerDateJanuary 21, 2026In relation toCapitol Hill SeattleSuspicious package prompts hazmat response at Capitol Hill’s Fire Station 25DateFebruary 16, 2026In relation toCapitol Hill SeattleReported gas leak at Harvard Market vet clinic prompts hazmat responseDateMarch 11, 2026In relation toCapitol Hill Seattle