Some scientists are now concerned — and actively investigating — whether that chemical could be toxic. The newly identified substance, named “chloronitramide anion,” is produced when water ...

A copy of each specified type of health and safety study which is in their possession at the time the chemical substance is listed; A list of the specified types of health and safety studies ...

A chlorine gas leak at the Grand Canyon forced the closure of several inner corridor trails until further notice, park ...

Northwestern Oklahoma State University has issued the all-clear after the campus was closed for a "potentially dangerous ...