UNION, NJ – Five Union Public Library employees were exposed to a unknown substance on Wednesday morning when a white powder was found in a returned book.

According to a press release from the Township, the Union Fire Department was dispatched to the library for the report of a white powder that came from a returned book. 

Firefighters discovered the five employees exposed to the unknown product.  One of the employees was coughing continuously. The Fire Department immediately secured access points to the building, had the building evacuated, did a complete search of the building and set up a victim tracking coordinator who captured patron’s names as they exited the building, said township officials.

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The five exposed employees were separated from the rest of the individuals in the library and were sent to EMS for assessment and vitals, according to the press release.  No injuries were reported and the five employees refused medical attention.

A Union County HazMat team was requested.  They arrived with self-contained breathing apparatus and meters.  The HazMat team determined that the product was Adenine Sulphate, used in gardening and not considered hazardous.

The scene was turned over to Union police for investigation as to who the individual was who returned the book.   

The book was a GED prep book.