Materiality for the nability Report was determi ned on the basis of the results of e-surveys (or face-to-face surveys when Internet wasn’t accessible) conducted with: communities, suppliers, insti tutions, authorities, customers and SQM employees; Our list also considered issues cove red by national, regional and international media in 2018, based on the media’s editorial criteria, and topics highlighted by SQM in traditional and digi tal communication media du ring the reporting period.