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General Provisions relating to All Processes Involving a Radia
Unsealed Radioactive Sources 399
Classification of Workplaces in Relation to the Quantity
13 consecutive weeks absorbed dose afford adequate protection annual dose appropriate and easily atmospheric contamination blood-forming organs body burden carried clean competent authority competent person controlled areas decontamination dispersal disposed dose rate employer enclosed installations enclosure exceed exposed external radiation fluoroscopic gamma radiation glove boxes gonads industrial establishment industrial medical officer Interlab internal radiation hazard involving a radiation ionising radiations irradiation leakage radiation Lenses liable Luminising luminous compound maximum permissible doses means measures monitoring devices nuclide occupational exposure occupied areas open installation over-exposure paragraph 163 paragraph 30 personal monitoring personnel protective clothing protective housing provide adequate protection provisions of paragraphs qualified expert radioactive contamination radioactive material radioactive substances radioactive waste radiography RBE dose rems requirements risks of external sealed source smooth and impermeable sources are prepared suitable surfaces term Thickness Gauges tion toxicity type III workplaces unsealed radioactive sources ventilation wet operations Wherever practicable workplaces where unsealed X-ray tube