title: Analytical reference materials. Part VII. Development and certification of a sediment reference material for total polychlorinated biphenyls.
mesh_terms: D002849:Chromatography, Gas; D008401:Gas Chromatography-Mass Spectrometry; D011078:Polychlorinated Biphenyls / Q000032:analysis*; D012016:Reference Values; D014873:Water Pollutants / Q000032:analysis*; D014874:Water Pollutants, Chemical / Q000032:analysis*
chemical_list: D014873:Water Pollutants; D014874:Water Pollutants, Chemical; D011078:Polychlorinated Biphenyls