TY - GEN AU - United Nations Environment Programme A4 - Fiedler, Heidelore PY - 2023 SN - 978-92-807-4101-8 UR - https://wedocs.unep.org/handle/20.500.11822/44155 LA - English KW - persistent organic pollutant KW - sampling KW - laboratory TI - Organization and Outcomes of Four Rounds of Interlaboratory Assessments on Persistent Organic Pollutants M3 - Project report ER -