sorry to ride in on Ccja's email address, but ..... Melissa Woo, can you please send me your email address as i am unable to find it. Thanks, Martha martha@maroon.tc.umn.edu Martha Kupcho Senior Rad Tech Environmental Health and Safety W140 Boynton Health Service 410 Church St SE Mpls., MN 55455 612- 625 1664 martha@maroon.tc.umn.edu standard disclaimer........