concentration limit at or above which the presence of a declarable substance in a material, product part or product is declared

number indicating level of functionality (3.1.56) which, if not provided, would significantly or completely impair the ability of users (3.1.131) to carry out their intended activities or operations

stock of objects [facilities (3.1.37), e.g. bridges (ISO 6707-1:2014, 3.3.19), tunnels (ISO 6707-1:2014, 3.3.18), power plants, buildings (ISO 6707-1:2014, 3.1.3)(3.1.10)] under management of an owner

basic level of the network serving a specific function (3.1.43)

number indicating the relative serviceability (3.1.118.2) [capability (ISO 6707-1:2014, 9.1.11) of a facility (3.1.37)] for a user (3.1.131) group or customer for one topic (3.1.128) on a predetermined supply scale (3.1.111.3) from the level of least (serviceability) to the most (serviceability)

level of achievement in the implementation process measured on a scale of maturity for environmental management system (3.3.1) elements

number indicating the relative functionality (3.1.46) required for a user (3.1.131) group or customer for one topic (3.1.128) on a predetermined demand scale (3.1.111.2) from the level of the least (functionality) to the level of the most (functionality)

number indicating the relative functionality (3.18.1) required for a user (ISO 15686‑10:2010, 3.34), group, or customer for one topic (ISO 15686‑10:2010, 3.33) on a predetermined demand scale (ISO 15686‑10:2010, 3.26) from the level of the least (functionality) to the level of the most (functionality)

degree of reliability the intended user requires in a validation (3.4.21) or verification (3.4.1)

concentration of carbon dioxide in a gaseous mixture