A minor fire at Los Alamos in January 1945 led to a fear that a fire in the plutonium laboratory might contaminate the whole town, and Groves authorized the construction of a new facility for plutonium chemistry and metallurgy, which became known as the DP-site.
En lille brand i Los Alamos i januar 1945 afstedkom frygt for at en brand i plutoniumlaboratoriet kunne forurene hele byen, og Groves gav tillaldelse til opførelse af en ny facilitet til plutoniumkemi og -metallurgi.