Emergency crews saved a worker's life after he was exposed to the potentially deadly chemical cyanide.
It happened at the US Ecology plant in southwest Detroit.
That employee is alive tonight, but he is listed in critical condition.
It happened around 6:00 pm.
Officials were called in for a level 1 HAZMAT situation, when an employee went into cardiac arrest after becoming ill. He had been exposed to cyanide - his lungs badly burned.
When emergency crews arrived, the employee was unresponsive. They were able to resuscitate him and transport him to an area hospital where he was listed in critical condition.
According to its website, US Ecology provides treatment services for hazardous and non-hazardous liquids, solids, sludge and debris.