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secondary data

data which do not fulfil the requirements for primary data (3.1.6.1)

sensitivity analysis

systematic procedures for estimating the effects of the choices made regarding methods and data on the outcome of a carbon footprint of a product study (3.1.1.4)

service life

period of time during which a product (3.1.3.1) in use meets or exceeds the performance requirements

site-specific data

primary data obtained within the product system (3.1.3.2)

supply chain

those involved, through upstream and downstream linkages, in processes (3.1.3.5) and activities relating to the provision of products (3.1.3.1) to the user

system boundary

boundary based on a set of criteria representing which unit processes (3.1.3.6) are a part of the system under study