ISO/IEC Guide 48-1986 Guidelines for Third Party Assessment and Registration of Supplies Quality System ISO/DIS 9809 Transportable Seamless Steel Gas Cylinders Design, Construction and Testing — Part I: Quenched and Tempered Steel Cylinders with Tensile Strength < 1 100 MPa ISO 11439 Gas cylinders — High pressure cylinders for the on-board storage of natural gas as a fuel for automotive vehicles Normas NACE (6) NACE TM0177-90 Laboratory Testing of Metals for Resistance to Sulphide Stress Cracking in H2S Environments Regulamentos UNECE: (7) Regulamento n.o 10 Prescrições uniformes relativas à homologação de veículos no que respeita à compatibilidade eletromagnética Regulamentos Federais dos EUA (8) 49 CFR 393.67 Liquid fuel tanks