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Biowaste is an increasing input for methanization units since the generalization of sorting at source in 2024. But the bags that can be used to collect them from households raise the question of their behavior in methanization, an environment different from the composting for which they were developed (AGEC law requirement for collection mixed with biowaste). -Are there methanization-compatible bags on the French market and what are their degradation performances in methanization? -What is the impact of these bags on the quality of digestates? -What is the progress of research on the development of methanizable plastics? -What are the standards in force concerning the biodegradability in methanization of plastics and packaging? How is the methanization sector envisaged in the revision of the NF EN 13432 standard? Find the answers to these questions and the results of laboratory and pilot scale tests on 3 commercial bags, obtained as part of the call for proposals carried out by GRDF on meth-compatible bags for the collection of biowaste, during the CTBM webinar on 13/12 from 10:30 a.m. to 12 p.m. Speakers: Camille Lagnet, Project Manager, Valorisation Division at APESA Patrick Dabert, Research Director at INRAE OPAALE David Krupka, Development Manager at AFNOR