(Photo by George Rose/Getty Images) (Getty Images)
NORTH RIM, Ariz. - Three trails in Grand Canyon National Park are closed because of a chlorine leak, according to a post on the park's Facebook page.
What we know:
The chlorine gas leak occurred in the Roaring Springs area of the North Rim of the Grand Canyon.
The Bright Angel Trail, South Kaibab Trail and North Kaibab Trail were all closed down until further notice.
Why you should care:
The CDC defines chlorine as a lung damaging agent and a toxic gas with corrosive properties.
It is often used in solvents, pesticides, synthetic rubber and refrigerants. At irritable levels to humans, it emits a smell that can be detected as a warning.
Exposure to chlorine can cause fatigue and other irritable effects.
What's next:
The National Park Service did not specify a timetable for when the trails will be reopened or if the leak had been fixed.