(WHTM)– The York County Hazmat Team was called to a liquid nitrogen gas leak ... from the tank before closing it. No one was injured or harmed during the incident. Images from the scene showed ...

The secret: liquid nitrogen. Standard tanks holding this frigid liquid at ... to nearly 700 times its liquid volume as it becomes a gas, and the coolers harness the energy in this expansion ...

The video shows the odorless gas of nitrogen pouring out of a tank, before being quickly repaired in less than 3 minutes. When NewsChannel 21 arrived at the scene, the company said they were ...