IGEM/TD/13 Edition 3 Supplement 1 - Pressure regulating installations for hydrogen at pressures exceeding 7 bar - Hard copy
IGEM/TD/2 Edition 3 - Assessing the risks from high pressure natural gas pipelines - Digital (1 year)
IGEM/TD/19 - Reinforced thermoplastic pipelines for high pressure gas transmission - Digital (3 year)
IGEM/TD/4 Edition 5 - Polyethylene (PE) and steel gas services and service pipework - Digital (1 year)