Conyers BioLab fire causes chemical plume

89 videos • 677 views • by 11Alive A chemical cloud has been emanating from Conyers since Sunday, when a fire broke out at the facility of a company that makes pool and spa treatments and sprinkler system water reacted with chemicals on site. The city of Conyers was evacuated, the wider Rockdale County was put under shelter-in-place guidance and surrounding counties for a time reported the smell of chlorine and a haze in areas.