Radiological Protection Ordinance
(RPO)

¹ For oc­cu­pa­tion­ally ex­posed per­sons, the ef­fect­ive dose must not ex­ceed the lim­it of 20 mSv per cal­en­dar year.

² For such per­sons, by way of ex­cep­tion and with the ap­prov­al of the su­per­vis­ory au­thor­ity, the lim­it for the ef­fect­ive dose may be up to 50 mSv per cal­en­dar year, provided that the cu­mu­lat­ive dose over five con­sec­ut­ive years, in­clud­ing the cur­rent year, is less than 100 mSv.

³ For such per­sons, the equi­val­ent dose must not ex­ceed the fol­low­ing lim­its:

a.

for the lens of the eye: 20 mSv per cal­en­dar year or a cu­mu­lat­ive dose of 100 mSv over five con­sec­ut­ive cal­en­dar years, sub­ject to a max­im­um dose of 50 mSv in a single cal­en­dar year;

b.

for the skin, hands and feet: 500 mSv per cal­en­dar year.

⁴ Oc­cu­pa­tion­ally ex­posed per­sons from abroad must, in Switzer­land, only ac­cu­mu­late an ef­fect­ive dose of 20 mSv per cal­en­dar year, al­low­ing for the dose already re­ceived in the cur­rent cal­en­dar year.