Microplastic Distribution Model in Ambient Air PM2.5 Around the Medan Industrial Area, North SumatraIsra’ Suryati, Novrida Harpah Hasibuan, Rina Angella Silalahi, Romian Malau and Yolanda TambunE3S Web Conf., 519 (2024) 03014DOI: https://doi.org/10.1051/e3sconf/202451903014