The fire department was alerted to the problem from an ammonia box alarm that started going off in the building on Perry ...

The inferno at the Crossfield Products facility has caused a strong chemical-like odor to spread through Roselle Park, New ...

A low-level reading of hydrogen sulfide, a toxic, flammable gas known for its rotten egg smell, was detected at the ...

At least 15 people were exposed to an unknown substance during a hazmat incident in Tarzana on Thursday morning. The Los ...

One person was hospitalized after being exposed to what authorities called a suspicious substance at a mental health clinic ...

The world of hazmat emergency response is, appropriately, mercurial and dynamic. Change is inevitable, and when those first responders who are unwilling to embrace that fact emerge from hibernation, ...

The Pima County Sheriff's Department assisted fire crews in a hazardous materials incident at the Safeway in Vail on Monday.

HazMat crews monitored the Capitol Hill building on Friday afternoon and later determined it was safe to reoccupy.

Driver hospitalized after a Hummer and fuel tanker crash in Poway, prompting an ongoing sheriff's investigation.

Last updated Jan. 2 at 3:07 p.m. Evanston Fire Department and Evanston Police Department responded to a hazmat incident at ...

Longmont Fire and a hazmat team are responding to a leaking truck in the area of the Harvest Junction shopping center off of ...

A fatal multi-vehicle crash involving an 18-wheeler has shut down westbound lanes of the 610 South Loop, triggering a hazmat ...