According to reports, approximately 500 tons of molten glass was spilled in an incident on 30th January 2012 at Guardian Industries’ glass manufacturing plant in De Witt, USA.

The glass leak happened during routine maintenance and six fire departments spent approximately five hours pouring cold water on the spill. The plant is designed for molten glass to flow into the basement in such an event.

“This is the first time we’ve had to use it at the De Witt plant,” said William Rice, Human Resources Manager.

There is no estimate of the damage or clean-up costs yet, but said the company expects the affected production line to be down for a few days.