sentences:  By the time the operation concluded, 700 specialized personnel from both countries and more than 70 United States government agencies had worked for nine months to clean up the site, often without adequate protective clothing or decontamination measures.In total, more than of contaminated liquid—along with thirty tanks of miscellaneous material, some of it contaminated—were collected at the Tank Farm.Project Crested Ice ended on 13 September 1968 when the last tank was loaded onto a ship bound for the United States.