Fire Chief Marian McDaniel and Rockdale County were criticized when a shelter-in-place was restored hours after they lifted ...

Rockdale County’s fire chief has announced her resignation, four months after a fire at a BioLab facility sent up a chemical cloud and led to the evacuation of 17,000 people. Marian McDaniel announced ...

Much of the community is engulfed in a cloud of black smokes ... working to protect what was described as 150 pounds of chlorine gas cylinders stored within the fire area by the Pasadena Water ...

In the days after the blaze, the EPA monitored the air quality for chlorine gas and hydrochloric acid ... with a vague directive to stay indoors “if the cloud moves over your vicinity.” ...

When Germany unleashed chlorine gas at Ypres in 1915, it marked the dawn of modern chemical warfare. Soldiers had no masks, ...

Specialized air quality instruments captured a spike in lead, chlorine, and bromine pollution during the L.A. wildfires.

GRAND CANYON NATIONAL PARK, Ariz. – A chlorine gas leak at Grand Canyon National Park’s main water supply has forced park officials to close all inner canyon corridor trails. Officials said ...

Trails in Grand Canyon National Park were closed due to a chlorine gas leak. Chlorine is used as a disinfectant in the Roaring Springs area of the park. The trails have since reopened NORTH RIM ...

The closures are due to a chlorine gas leak at Roaring Springs. The closure impacts both day and overnight hikers. The public is being asked to avoid these trails for safety reasons. Park ...

GRAND CANYON VILLAGE, Ariz. — All inner canyon trails at the Grand Canyon reopened after a chlorine gas leak at Roaring Springs, the national park said on Thursday afternoon. The chlorine gas ...

The Grand Canyon covers 1,904 square miles in Arizona, and is one of the most famous National Parks in the U.S. Nearly 5 million visitors flock to the canyon ea ...