Radiological Protection Ordinance
(RPO)

¹ Be­fore per­sons leave, or ma­ter­i­als are re­moved from, con­trolled areas, it must be en­sured that the guid­ance value spe­cified in An­nex 3 Column 12 for sur­face con­tam­in­a­tion is not ex­ceeded. For the clear­ance of ma­ter­i­als, the re­quire­ments spe­cified in Art­icle 106 ap­ply.

² If, in con­trolled areas, the con­tam­in­a­tion of ma­ter­i­als and sur­faces is great­er than 10 times the guid­ance value spe­cified in An­nex 3 Column 12, de­con­tam­in­a­tion meas­ures must be im­ple­men­ted or oth­er ap­pro­pri­ate pro­tec­tion meas­ures ad­op­ted.

³ If, in con­trolled areas, part of the con­tam­in­a­tion will re­main at­tached to the sur­face un­der fore­see­able con­di­tions of hand­ling, the guid­ance val­ues spe­cified in An­nex 3 Column 12 shall only ap­ply to the trans­fer­able con­tam­in­a­tion.