NISA reports that Fukushima Dai-ichi Reactors 1, 2, and 3 are all being cooled by fresh water injection at this time. http://www.nisa.meti.go.jp/english/files/en20110326-3-1.pdf Jeff Jeff Terry Asst. Professor of Physics Life Science Bldg Rm 166 Illinois Institute of Technology 3101 S. Dearborn St. Chicago IL 60616 630-252-9708 terryj at iit.edu