Road vehicles. Compressed gaseous hydrogen (CGH2) and hydrogen/natural gas blend fuel system components - General requirements and definitions Ingestion-build-264231 and biochemical measures for determining

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Road vehicles. Compressed gaseous hydrogen (CGH2) and hydrogen/natural gas blend fuel system components - General requirements and definitions Ingestion-build-264231 and biochemical measures for determining1 Scope This part of ISO 12619 specifies general requirements and definitions of compressed gaseous hydrogen (CGH2) and hydrogen natural gas blends fuel system components, intended for use on the types of motor vehicles defined in ISO 3833. It also provides general design principles and specifies requirements for instructions and markings. This part of ISO 12619 is applicable to vehicles using CGH2 in accordance with ISO 14687 1 or ISO 14687 2 and