The company Dyno Nobel reported to the federal National Response Center on May 10 that 60,000 pounds of explosive material, specifically ammonium nitrate, disappeared from California.
Some 60,000 pounds of ammonium nitrate, a chemical used as both fertilizer and a component in explosives, went missing as it was shipped by rail from Wyoming to California last month, prompting four separate investigations.
A railcar loaded with 30 tons of the chemical left Cheyenne, Wyoming, on April 12. Th...