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, Ariz.
When chlorine gas seeped out of the massive industrial complex in Brazosport on May 20 and traveled downwind toward surrounding communities such as Clute, Lake Jackson and Richwood, some residents ...
When thousands of pounds of toxic, greenish-yellow gas poured from Olin Corporation's Freeport facility on May 20, nearby residents said they had no warning about the largest industrial leak of ...