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Plutonium
Rocky Flats begins to use plutonium to build nuclear weapons triggers. -
Plutonium Fire
Released a small amount of radioactive plutonium comtamination. -
Raid of Rocky Flats
FBI and EPA raid Rocky Flats to investigate allegations of enviornmental crimes. -
Governer signs Agreement
Colorado Governer Roy Romer signs agreements with Department of Energy to fund state oversight of Rocky Flats Health and Enviornmental Studies. -
Production Haults
Rocky Flats stops weapon production. -
Official Clean-Up of Contamination Begins
Rocky Flats starts the clean-up process.