Safety_Series_041_1975 - gnssn - International Atomic Energy ...

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This publication is no longer valid Please see http://www.ns-iaea.org/standards/ 84 APPENDIX IV TABLE XV. 1SPRA - PRINCIPAL CRITICAL PATHWAYS Critical radionuclides Critical pathways Critical population groups Gaseous effluents 41 Ar Atmosphere Cadrezzate residents 131 I Atmosphereherbage-milk Cadrezzate infants Liquid effluents 90Sr 137 _ Cs Lake Maggiore water-drinking water Lake Maggiore water-fish Joint Research Center residents Families of the professional fishermen 3. Actual status of the monitoring network Control of the gaseous effluents is carried out through (1) measurements performed at the emission sources (reactor stacks) for the evaluation of the quality and quantity of the activity released; and (2) measurements performed (after dilution) in the environment. The latter are carried out by means of a network of monitoring stations located along the fence of the Establishment as well as in some neighbouring villages and equipped with all or part of the following material: a device for the collection of atmospheric dust on paper filter and of radioiodine on activated charcoal; a device for the measurement of the exposure rate with telemetering and recording; a thermoluminescence dosimeter for the measurement of the integrated exposure; and a pot for the collection of the deposited matter. In addition to the station network there is a mobile unit equipped with a system for the collection on filters of atmospheric dust and for the measurement of its radioactivity; a scintillation counter,
This publication is no longer valid Please see http://www.ns-iaea.org/standards/ APPENDIX IV 85 MONVALLE MILK GRASS © BREBBIA © BREBBIA © CADREZZATE © CADREZZATE ( D ISPRA 0 ISPRA © OSMATE © MONVALLE © OSMATE © TAINO DRINKABLE AND UNDERGROUND WATERS © J.R.C. RESIDENCE © CASCINA CASELLO © „ CASE NUOVE © „ BARAGGIOLA ® „ ANTONIETTA FIG . 11. S am p lin g netw ork. with multichannel analyser, for the identification and measurement of gamma emitters; and material for electrical supply,, individual protection, sampling, radiocommunication, portable monitors. Control of liquid effluents is carried out through measurements performed directly on the effluents before release and measurements performed (after dilution) in the environment. These include
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