Dear Radsafers: To have all of your daily RADSAFE postings clumped together (without any editing) and sent in a single package to you every 24 hours (default), send the message SET RADSAFE MAIL DIGEST to listserv@romulus.ehs.uiuc.edu Within 10 minutes of sending the above message to the list server, you will get back a message that says: MAIL mode reset to DIGEST. Enjoy. -L.P.