Radiation safety planning guide for rare earth research and development center

At Rare Earth Research and Development Center, the rare earth elements extraction processes from monazite sand are relating to natural radioactive materials, uranium and thorium ores. It is necessary to consider and plan for the radiation safety system of radiation workers and others, which are consisted of safety measures requirement for radiation workers and working places, radiological health and personal dose records keeping and limitation for radiation safety. In monitoring, analysis techniques and frequency, the important things which are taken into consideration depended on types and quantity of radioactive materials content in monazite sand