arpadveress #ExAM Ex personnel competency 2 years ago Important intervals of Ex personnel competency Any Ex personnel competency shall be refreshed within maximum 5 years. If you do repair: within maximum 3 years. There shall be a proof of evidence that you made it. Keep up good work! Arpad exprofessional.com Share this:FacebookLinkedInTwitterWhatsAppSkypeEmailLike this:Like Loading... 0 likes 555 views 0 comments Next Article Ex certification of a hazardous area site?