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Radiological Protection Ordinance
(RPO)

English is not an official language of the Swiss Confederation. This translation is provided for information purposes only and has no legal force.

of 26 April 2017 (Status as of 1 January 2022)

Art. 24 Immission limits

1 Yearly av­er­age air­borne activ­ity con­cen­tra­tions in ac­cess­ible loc­a­tions off-site must not ex­ceed the im­mis­sion lim­its for air (LIA) spe­cified in An­nex 7.

2 Weekly av­er­age activ­ity con­cen­tra­tions in pub­licly ac­cess­ible wa­ters must not ex­ceed the im­mis­sion lim­its for wa­ters (LIW) spe­cified in An­nex 7.

3 It must be ad­di­tion­ally en­sured that am­bi­ent doses due to ex­tern­al ra­di­ation in dwell­ings, pub­lic-ac­cess build­ings and work­places are kept at such a low level that, tak­ing in­to ac­count res­id­ence time and all oth­er ex­pos­ure path­ways, they can­not lead to ex­ceedance of the dose lim­its for mem­bers of the pub­lic.