The Review’s authors conclude, “[I]t is extremely likely there are no marine ecosystems remaining that are not impacted by plastic pollution.�?PVA is chargeable for some of this pollution. Multi-laboratory evaluation with the reproducibility of polymer biodegradation assessments applying standardized and modified respirometry approaches, McDonough. Polyvinyl Alcoholic beverages is an ... https://www.tjcyindustrialchem.com/news/what-is-pva.html