ISO TC197 Working Group #6 / ISO 15869     Gaseous Hydrogen Blends & Hydrogen Fuels: Land Vehicle Fuel Tanks      Under Development       International   Organization International Organization for Standardization (ISO) Identification Technical Committee No. 197 – Hydrogen Technologies Working Group #6 / ISO 15869 Gaseous Hydrogen and  Hydrogen Blends – Land Vehicle Fuel Tanks (5 part standard) Joint with ISO/TC22 and ISO/TC58/SC3 Scope Part 1.  General requirements Part 2.  Particular requirements for metal tanks Part 3.  Particular requirements for hoop wrapper composite tanks with a metal liner Part 4.  Particular requirements for fully wrapped composite tanks with a metal liner Part 5.  Particular requirements for fully wrapped composite tanks with a non-metallic liner Status The DIS ballot failed for the third time.  The Secretary for ISO/TC197 has reported that a Technical Specification will be published for use until an International Standard is available. Committee Information Chairman Craig Webster, Canada Secretariat   Secretary