The shelter-in-place recommendation for residents of Rockdale County, population 93,570, was valid through midnight, the county said in a statement. A sprinkler head malfunctioned after 5 a.m. at the BioLab plant, “causing a mixture with a water-reactive chemical,” Rockdale County Fire Chief Marian McDaniel said. Deputies say multiple roads in Rockdale County, Ga., were closed Sunday because of a fire at the BioLab facility on Old Covington Highway. "We’ve been firefighting with water," McDaniel said at during the update, "but the water is also aggravating the chemical." Rockdale County officials told residents living between Sigman Road and Interstate 20 to evacuate Sunday morning.

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Persons: Marian McDaniel, ” McDaniel, McDaniel, Hurricane Helene, Sharon Webb, KIK Organizations: Fire, KIK, Products, U.S . Centers for Disease Control, CDC, Management Agency, Sunday Locations: Georgia, Atlanta, Rockdale County, Conyer , Georgia, Rockdale, Old Covington Highway