This traininig is provided by your area Health Physicist as an in-person training.
To schedule contact the Health Physicists for your area. The following lists the Helath Physicist per zone. (Bottom of chart)
https://docs.google.com/spreadsheets/d/1fIVrpoFVkE4Yfq3Wm-Ngxr0qI1hSMgQDgjn7_yrdazU/pubhtml?gid=264729986&single=true