. . . . . . . . . "Metadata schema used for measurements or modelling of air pollutant concentrations." . "EEA assessment methods metadata schema for air quality" . . . "Nikiforos Alygizakis" . "2025-05-25T18:49:53.897Z"^^ . . . . . . . . . . . . . . . . "RSA" . "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCUA0DtZ2bq+q+KjN16T/BvhYOOD1doF543X0BuLHzjrBmMcP5SO/9TxLal5nI7WHzmiicJQk1lZz01CoDaqgwuAbHCOSE4Z/HGbXsptrqX+EqzeReWMuWsZbebm9TzSQGaa895OC+vkeZRdKxmrcpowGKM6RxtxpXsxr4uWU1LvwIDAQAB" . "IXd6FHto/L+2elsCUsK31U1eywQoBQoD3DklXzKdcJOqnvkRYE2Hd5HpK0mU6Sp8zLcU/n5umlT92RDppjV5YapT6ZQp3eSed9sKTifq9kPSgDlNlgXDt1VegQq5mKD4I1hfSHy6zwTA6vUE5oChFjLoUQNiszM9AfAj0rdn26Q=" . . .