arpadveress 
EPD stands for explosion protection documentation.
It shall be ready at the time of starting the operation of hazardous facility. EPD is a term for European Union and related.
It says – link:
It describes the operation as it is. It is about the actual operation. It results the validation of all design, purchase, installation and commissioning works related to Ex compliance includong HAC, EPL,… All MoC (management of change) procedures shall be applied here, but latest within 3yrs cycle it shall be refreshed.
Education of personnel (internal, external) is mandatory. Proof of evidence shall be available of it.
Keep up the good work!
