Abstract
This document:
— provides the general part of the method to calculate the greenhouse gas (GHG) emissions throughout the liquefied natural gas (LNG) chain, a means to determine their carbon footprint;
— defines preferred units of measurement and necessary conversions;
— recommends instrumentation and estimation methods to monitor and report GHG emissions. Some emissions are measured; and some are estimated.
This document covers all facilities in the LNG chain. The facilities are considered “under operation”, including emissions associated with initial start-up, maintenance, turnaround and restarts after maintenance or upset. The construction, commissioning, extension and decommissioning phases are excluded from this document but can be assessed separately.
This document covers all GHG emissions. These emissions spread across scope 1, scope 2 and scope 3 of the responsible organization. Scope 1, 2 and 3 are defined in this document. All emissions sources are covered including flaring, combustion, cold vents, process vents, fugitive leaks and emissions associated with imported energy.
This document describes the allocation of GHG emissions to LNG and other hydrocarbon products where other products are produced (e.g. LPG, domestic gas, condensates, sulfur).
This document does not cover specific requirements on natural gas production and transport to LNG plant, liquefaction, shipping and regasification.
This document is applicable to the LNG industry.
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General information
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Status: PublishedPublication date: 2024-01Stage: International Standard published [60.60]
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Edition: 1Number of pages: 22
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Technical Committee :ISO/TC 67/SC 9
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