The interval between on-site assessments, whether reassessment or surveillance, depends on the proven stability that the technical service has reached.
Beidh an tréimhse eatramhach idir na measúnuithe ar an láthair, is cuma an athmheasúnú nó faireachas atá ann, ag brath ar an méid a bhfuil sé cruthaithe ag an tseirbhís theicniúil go bhfuil sí cobhsaí.