“With the approval of acceptable to the authority having jurisdiction.”
According to iso 17024 any personnel competency certification institute it shall have the approval.
This is the good marking of any reliable Ex personnel competency system on the market.
Keep up good work.
Arpad
exprofessional.com
HAC stands for hazardous area classification. EN IEC 60079-10-1 goes for gas
Sparks or certain radiations can cause a mixture of hydrogen and chlorine
EPD or any Ex compliance report has a significant impact for Hazop / FMEA meetings. In process safety related meetings, the Ex equipment compliance should always be questioned.
#exprofessional
Many say that any Ex personnel competency training shall be contact one,
arpadveress 
