Police said a possible biohazard reported in Rocky Hill turned out to be a container of vinegar.
Authorities were called to the state testing lab at 395 West Street around 7:30 p.m. to investigate after someone found a "drum of an unknown substance," according to police.
Lab tests conducted as a precaution showed the substance to be non-hazardous, police said.
That substance turned out to be vinegar, and the drum, a gallon container.
