WP1 objectives:
O1.1 Characterise the major types of AP regarding their chemical composition and functionalities.
O1.2 Create a digital Atlas of AP diffusion in European agriculture and potential sources of MNPs.
O1.3 Elucidate the fragmentation and degradation processes that release MNPs to the environment from AP.
O1.4 Develop MNP reference materials and analytical methods to support behaviour and effect studies.