The Valhalla Fire Department assisted the North White Plains Fire Company No. 1 today at the scene of a hazardous material incident on Hillandale Ave. A tractor trailer carrying potassium hydroxide, which is a corrosive liquid, load shifted and punctured a hole in one of the carrying totes. Under the guidance of Westchester Count Haz-Mat team and New York State DEC, crews were able to contain the leak and stop it all together. The Valhalla Ambulance Corp was on scene to provide rehab. No injuries occurred at the scene.