... , and Persons must be certified as radiographers in their field. The following meet these requirements ... biology; radiation health, safety, and protection; X-ray films and radiographic film quality, radiographic ...

... recognized by the Department of Education, and Persons must be certified as radiographers in their field. The ... GS-3 (course in radiation physics; radiation biology; radiation health, safety, and protection; X-ray ...

... recognized by the Department of Education, and (2) be certified as radiographers in their field. The ... , safety, and protection; X-ray films and radiographic film quality, radiographic techniques; darkroom and ...

... recognized by the Department of Education, and (2) be certified as radiographers in their field. The ... , safety, and protection; X-ray films and radiographic film quality, radiographic techniques; darkroom and ...