UPDATE: Friday, 4:15 p.m.

A hazardous chemical that leaked into the Ohio River on Friday resulted in hours of clean-up.

According to officials with the East Liverpool Fire Department, 50-to-60 gallons of Styrene leaked from a semi truck at a tank terminal in the area.

Styrene is a chemical primarily used in the production of polystyrene plastics and resins.

The leak was originally caught in a containment area but made its way into the Ohio River.

East Liverpool Fire chief William Jones, says about 10-to-20 gallons did leak into the river.

However,they were able to contain it with the help of Chester Volunteer Fire Department.

“The driver failed to do his proper checks. He didn’t make sure that his vales were closed, the caps were on the bottom of his tank where he unloads, so when they started to load the truck the product was coming directly out of the truck onto the ground,” said Jones.

According to Jones, the chemical floats and does not mix with water, which made cleanup a little easier.

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ORIGINAL: Friday, 11:42 a.m.

Officials with the East Liverpool Fire Department have confirmed a Styrene leak on the Ohio River between East Liverpool and Chester, WV.

According to officials, the leak was originally caught in a containment area but made its way into the Ohio River.

Hazmat is on the scene according to the East Liverpool assistant fire chief.

East Liverpool fire chief William Jones, says the chemical floats and does not mix with water, thus making cleanup a little easier.

According to the EPA, Styrene is a chemical primarily used in the production of polystyrene plastics and resins.

Stay with 7News for more details as they become available.