At lower concentrations, ammonia gas is a strong irritant to the eyes, skin and respiratory system. Symptoms of exposure include coughing, chest pain and difficulty breathing. Direct contact with ...

A PSV valve failure at Roehm USA's Texas plant released ammonia, prompting emergency response, emergency management said.

The Spring Fire Department urged residents to not throw hazardous materials, like acid or ammonia, in the trash. SPRING, Texas — Three sanitation workers were taken to a hospital after a container of ...