home > training > topics > radiation safety > Cs-137 irradiator training Cs-137 Irradiator Training Training is required for individuals who will be using the Cs-137 irradiator.  This training session requires previous attendance at the general radiation safety class and is scheduled on an as-requested basis.  To schedule a Cs-137 irradiator radiation safety training session, please contact Curtis Kwasniewski by phone (3-0216) or e-mail (curtis.kwasniewski@vanderbilt.edu). | Safety Training | top of page