About 40 people who work at a Chapel Hill post office reported feeling sick after smelling an odd odor Friday morning.

Workers at the Timberlyne post office began complaining of watery eyes, nausea, and headaches around 8 a.m.

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Haz-mat teams used a special kit to rule out pesticides and other chemicals.

Emergency personnel discovered the smell actually came from a package of clothing and a pepper spray dispenser.

The post office was closed for about 2 hours, until employees were allowed back inside.