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SMYRNA, Ga. (FOX 5 Atlanta) - The city of Smyrna plans to move forward with independent testing of the air quality near an industrial plant.

The Sterigenics facility is releasing what the EPA calls cancer-causing chemicals into the air.

The city announced its plan Tuesday night during a packed town-hall meeting.

Residents said they want to know if the air they're breathing is safe.

The gas being released from the Smyrna plant and another in Covington is called ethylen oxide.

It is classified as a known carcinogen.