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Safety_Series_025_1968 - gnssn - International Atomic Energy ...

Safety_Series_025_1968 - gnssn - International Atomic Energy ...

This publication is no

This publication is no longer validPlease see http://www.ns-iaea.org/standards/the maximum permissible level (3 rems in the case of a whole-bodyirradiation).After cessation of employment, the file should present a recordof the exposure and contamination to which the worker has been subjectedduring employment.The doses received from external exposure or radioactive contaminationshould be added together year by year and a grand totalfound wherever appropriate. As mentioned previously, all abnormalexposures should be recorded together and be clearly distinguishedfrom normal exposures.4. 3. 3. 2. Medical filesThe medical file should include all available data on the w orker'sstate of health. Before actual recruitment, the file should includethe results of the inquiry and pre-employment medical examinationto determine fitness for work involving radiological hazards.During employment, the file should contain an account of theworker's medical supervision, particularly the special examinations.Only significant and positive facts revealed by the examinationshould, of course, be recorded. Comparison of this set of data withthe radiation file will be made with a view to establishing possiblecausal relationships between any health disorders and occupationalexposure. It may be pointed out that for most radiopathologicaleffects where a threshold exists, it is possible to establish such acausal relationship; for example, skin disorders can be easily relatedto radiation exposures of known level. For individual cases,however, it is impossible to establish a causal relationship betweena disturbance where a threshold does not exist and a given exposure;thus one cannot, in an individual case, relate with certainty anoccurrence of leukaemia to previous exposures.On cessation of employment, the file should contain a sheet indicatingthe w orker's health record. A summary of the resultsof the medical examinations, both general and special, should alsobe included. Special mention must be made of any abnormalitiesthat may be related to occupational exposure. Finally, an indicationshould be given of the w orker's state of health on cessation ofemployment.If a worker is transferred to another establishment, it may beof value to prepare an employment termination sheet containing abrief summary of the preceding data for the use of the medical serviceof the new establishment.116

This publication is no longer validPlease see http://www.ns-iaea.org/standards/4.3.4. R ecord in g o f occupational a ccid en ts and d isea ses4. 3.4. 1. Occupational accidentsAny accidents which have occurred in the course of work shouldbe recorded. All doses received in abnormal exposures (i.e.duringemergency situations or as a result of a radiation accident) shouldbe recorded together and clearly distinguished from normal exposures.It is often useful to include in accident records both the physicalmonitoring data and the findings of medical examinations. In particular,all medical examinations made following an accident, togetherwith their results and the decisions taken, should be mentioned.4. 3. 4. 2. Occupational diseasesThe health file must contain mention of any occupational diseasesthat may occur. These may be assumed occupational diseases, i. e.those that may be due to ionizing radiation but for which no causalrelationship has been established, especially if working conditionscomply with the standards laid down by the International Commissionon Radiological Protection.In cases of true occupational disease, related to abnormal workingconditions, both the medical findings with regard to the diseaseand the results of physical monitoring with regard to the exposureconditions should be recorded.4.3.5. NotificationThe individual files contain information on each worker1s radiationexposures and state of health. Workers asking for them maybe given the results recorded in their individual files. The 1confidential'notification of radiological data is recorded individuallyby name in case of over-exposure. The ' non-confidential' notificationof radiological data can be collective and anonymous only;it may be of interest in cases of normal exposure complying withthe radiation protection standards.117

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