title: Method validation for the determination of tetrachlorodibenzodioxin at the low parts-per-trillion level.
mesh_terms: D000273:Adipose Tissue / Q000032:analysis; D000818:Animals; D002417:Cattle; D004147:Dioxins / Q000032:analysis*; D008401:Gas Chromatography-Mass Spectrometry; D008832:Microchemistry; D000072317:Polychlorinated Dibenzodioxins / Q000032:analysis*
chemical_list: D004147:Dioxins; D000072317:Polychlorinated Dibenzodioxins