Cs-1237= Cs-137 of course. Typo. Grrrr. George Dowell ----- Original Message ----- From: "Geo>K0FF" <GEOelectronics at netscape.com> To: <radsafe at radlab.nl> Sent: Friday, September 14, 2007 12:51 PM Subject: [ RadSafe ] Cs-137 uptake in plants. Still doing research on Cs-137 uptake mechanisms in plants.