MERRIMACK, N.H. (WHDH) - Thirteen people were hospitalized and at least 50 others were treated at the scene following a chemical incident at a Merrimack, New Hampshire manufacturing facility Tuesday.

Emergency crews responded to Fluid Air, a Division of Spraying Systems Co., located on Daniel Webster Highway after the company received a mislabeled package of powder from a vendor, according to the fire chief.

Employees at the facility reportedly used the mismarked powder to make their product which reacted improperly, sickening dozens.

The company said a number of employees were taken to hospitals out of an abundance of caution and were released within an hour with no signs of exposure.

Hazmat crews in full suits entered the building and removed the chemical to test it. The test room which housed the chemical has been blocked off and will be cleaned in accordance with health and safety requirements.

The company released a statement on Thursday reading in part:

“The safety of the employees and the community is always the absolute priority of both Spraying Systems Co. & Fluid Air: we are dedicated to environmentally-friendly, safe manufacturing and testing practices in our Merrimack facility.”

Fire departments from several surrounding communities responded.

It is unclear what the chemical may have been.

No further information has been released.

This is a developing news story; stay with 7NEWS for updates online and on-air.

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