Published: Apr 01, 2014 2:11 PM EDT
Updated: Apr 01, 2014 4:53 PM EDT

COLLIER COUNTY, Fla.- Employees of Alternative Laboratories, located at 2231 Linwood Ave.,suffered an apparent chemical reaction and went to the hospital today, after exposure to a chemical yesterday.

According to the East Naples Fire Department, the employees were exposed to too much of a chemical that got into the air after a third party contractor used slightly too of the substance much yesterday.

The chemical is used to make a solution that purifies water.

Yesterday, six people refused treatment and suffered watery eyes and runny noses, but today their symptoms persisted, so they went to the hospital as a precaution.

Naples Fire conducted an air quality check and deemed everything was fine. Hazmat responded and cleared the scene.

Business remains open.