Ensure the quality of the measurements, the homogeneity of the procedures and the data produced. This is the objective of the technical comparison, organized by ISPRA in collaboration with Arpa Umbria, which starts in Terni on 23 January at the headquarters of the regional Agency. For two weeks the 21 mobile laboratories of the national SNPA system dedicated to the measurement of fine particles, ozone, nitrogen oxides and dioxides, benzene, metals, polycyclic aromatic hydrocarbons (PAHs) will be brought together.
ISPRA, as a National Reference Laboratory (pursuant to the Ministerial Decree of the Environment n° 67 of 02/04/2022), has the task of organizing and implementing reliability programs to which the institutions that manage the monitoring networks must participate pursuant to Annex I of Legislative Decree 155/2010. The objective of the intercomparison circuit - this is the technical term - is to achieve a harmonized improvement in the performance of air quality monitoring networks at a national level, in compliance with art. 17 and Annex I of Legislative Decree 155/2010 and subsequent amendments. and allow participants to improve the reliability of the measurement data they produce, comparing with the performances provided by the other participants and by the National Reference Laboratory, as well as to monitor the QA/QC procedures, defined by the Ministerial Decree 30/3/2017 to ensure the quality of the measurement results, and, if the circuit highlights instrumental or procedural deficiencies, to adopt the necessary corrective actions.