ANN ARBOR (WWJ) – Operations inside the University of Michigan Cancer Center are back to normal after a hazardous materials incident Tuesday afternoon inside a research area.

U-M Public Safety Spokeswoman Diane Brown explained what happened:

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“It was determined that a solvent, that is often used in our research environment, had been put into an autoclave machine, which does sterilization and it created a tremendous odor,” said Brown.

The solvent, a cleaner, was contained — so there was never any exposure — but as a precaution the building was evacuated of non-essential personnel.

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Four researchers did seek medical evaluation as precaution and were quickly released.

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