Residents who live near Shawnee Mission East High School were alarmed Monday to see the Overland Park Police Department's bomb squad surrounding the school.
A chemical spill inside a refrigerator led to the scare about 1 p.m. Monday. The refrigerator was inside the chemistry lab's storage room.
Firefighters from the surrounding area along with a hazardous materials team responded to the scene.
Classes were not impacted Monday, and should be held as usual on Tuesday.
The spilled substance, nitrogen triiodide, is a mild but very unstable chemical, which is used in classes to demonstrate the instability of some chemicals. It has an effect similar to a firecracker in small quantities. A larger quantity is stored inside the refrigerator.
"Because the spill was contained, crews decided to allow school to conclude before mitigating the incident." according to a news release from the Overland Park Fire Department's hazardous materials team. "School officials stress that at no time were students or faculty in danger. Adjacent areas of the building were evacuated by school officials as a precaution. School eventually dismissed on time."
The entire refrigerator needed to be removed for disposal.
No surrounding homes were evacuated.
The high school is at 75th Street and Mission Road.
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