Radsafers: Please accept my apologies for perpetuating this thing. Call me gullible. T. Welty ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Tim Welty/Southwest Radiation Calibration Center/Fayetteville, Arkansas Phone: 501-575-6309/FAX: -7318/E-mail:tjw@engr.uark.edu WWW: web.engr.uark.edu/engr/enrc/srcc.html 17/06/97