Fire crews respond to ammonia leak at On Semiconductor

Problem quickly resolved, no serious injuries

By

The Gresham Outlook, Jul 20, 2010

Gresham Fire & Emergency Services responded to a call about an ammonia leak around 8:30 a.m. Tuesday, July 20, at On Semiconductor in Gresham, 23400 N.E. Glisan St.

“A contractor cut a very small ammonia vapor line,” said Mark Maunder, battalion chief with the Gresham fire department.

He described the line as no bigger than a quarter-inch.

Two workers exposed to the vapor were checked out on scene and then transported to Providence Hospital in Portland as a precaution.

The leak was isolated very quickly, Maunder said.

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