I seem to be having great difficulty subsribing to RADSAFE. I have sent my subscription request to listserv@romulus.ehs.uiuc.edu on several occasions, but with no response. What am I doing wrong? Thanks for your help. Richard Smart Principal Physicist Tel. 61.2.350 3112 Department of Nuclear Medicine Fax. 61.2.350 3991 St. George Hospital Kogarah, NSW, 2217, AUSTRALIA E.mail R.Smart@unsw.edu.au