Question: The "Green Run" was a secret U.S. Government release of radioactive fission products during which date span, at the Hanford Site plutonium production facility?
Sentence (from "Green Run"): The "Green Run" was a secret U.S. Government release of radioactive fission products on December 2–3, 1949, at the Hanford Site plutonium production facility, located in Eastern Washington.
Relevant evidence: Yes