TY - GEN AU - United Nations Environment Programme A4 - Wendt-Potthoff, Katrin A4 - Avellán, Tamara A4 - van Emmerik, Tim A4 - Hamester, Meike A4 - Kirschke, Sabrina A4 - Kitover, Danielle A4 - Schmidt, Christian A4 - Smith, John A4 - Kremer, Hartwig A4 - Akrofi, Joana A4 - Uusimaa, Kaisa A4 - Salyani, Anham A4 - Savelli-Soderberg, Heidi PY - 2021 SN - 978-92-807-3819-3 UR - https://wedocs.unep.org/handle/20.500.11822/35405 LA - English KW - plastic waste KW - pollution KW - marine environment KW - environmental monitoring KW - sampling KW - river KW - lake KW - reservoir KW - drinking water KW - wastewater KW - biota KW - chemical KW - polymer KW - pollutant KW - metadata TI - Monitoring Plastics in Rivers and Lakes: Guidelines for the Harmonization of Methodologies M3 - Technical guideline ER -