BS ISO 20305:2020 pdf free.Mine closure and reclamation一Vocabulary.
BS ISO 20305 3.1.1 abandoned derelict orphan legacy mine mine or mine feature (3.4) that has not been formally relinquished (3.1.3) and for which the responsibility for mine closure (3.3.2) cannot be allocated to an individual or organization Note 1 to entry: Liability for an abandoned mine can fall to the landowner in the event of freeheld land. 3.1.2 closed mine or mine feature (3.4) for which mining has ceased and for which the mine owner or operator has implemented, or has yet to implement, mine closure (3.3.2) 3.1.3 relinquished closed (3.1.2) mine or mine feature (3.4) for which management and monitoring (3.8.4) has been completed and tenure has been surrendered, with responsibility transferred to the relevant regulating authority or third party 3.1.4 suspended mine or mine feature (3.4) for which mining, or processing, has temporarily ceased and operations have been placed in care and maintenance (3.2.1) 3.2 mine closure phase phase during which mine closure activities (3.8) are undertaken to achieve a specific mine closure status (3.1)3.3.3.2 restoration reclamation (3.3.3) of a mine feature (3.4), domain (3.4.1) or other area disturbed by mining to a sustainable condition corresponding with its natural or reference state Note 1 to entry: Generally, it relates to the return of the natural ecosystem (i.e. ecological restoration) but can also apply to return to the pre-mining condition. 3.3.4 remediation  reduction of human and environmental exposure to hazardous contaminants to acceptable levels 3.4 mine feature unique features within a mine, that have a defined function or purpose and that require mine closure  activities (3.8] to achieve post mining land use (3.8.1.2) and mine closure (3.3.2) objectives 3.4.1 domain group of mine facilities (3.4.2) that have a similar or common mine closure strategy (3.3) Note 1 to entry: A domain is generally defined by a physical, cadastral or hydrological boundary. Note 2 to entry: A domain can constitute one or more post mining landforms (3.4.4) with common geophysical characteristics. 3.4.2 mine facility  built infrastructure, plant or facility with a defined operational, or productive function, associated with mining or processing activities.BS ISO 20305 pdf download.