A single drum of contamination caused accident at Waste Isolation manufacturing Plant in march 2014 . It contained ' chemically incompatible ' materials , including Swheat Scoop ##le litter , nitrate salts and a neutralizing agent . Accident exposed industrial workers to radiation in amounts not intended to threaten their health .
A single drum of waste caused accident at Waste Isolation Pilot Plant in February 2014 . Barrel contained 'chemically incompatible ' materials , including Swheat Scoop brand litter , nitrate salts and a neutralizing agent . Accident exposed 22 workers to radiation in amounts not expected to threaten their health .