The evacuation of about 75 people in 23 homes and two restaurants on Monday came out of an abundance of caution after a huge hydrochloric acid spill.
It all started when a person was driving by Predator Trucking -- located at 1775 N. State St. -- a little before 7:30 a.m.
"They got a big poof of smoke coming out of the back of their building," the caller reported.
The fire department was sent to the scene for what they thought was a structure fire. But once they got there, they quickly realized it was something else.
"It wasn't really smoke, it was vapor coming from the product that was being released," said Weathersfield Fire Capt. Raymond Knepper.
Firefighters encountered hydrochloric acid leaking from a 5,000-gallon tanker truck behind the building. Right away, they shut down 422 and evacuated people within a one-mile radius.
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