ITC EP–5 gives information about the connections and other issues related with the explosive and flammable gasses

National Legislation (Spain)
Country:
Spain
Relation with EU Legislation:
https://www.boe.es/boe/dias/2014/02/27/pdfs/BOE–A–2014–2110.pdf
Affected LAPs:
Quantity and Pressure limitation
Transport and distribution of hydrogen / Road transport in Cylinders and tube trailers (Bulk Gas / Metal Hydride / Bulk Liquid)