The report covers five investigations on chlorinated paraffins, alkyl phenols and alkyl phenol etoxilates, pentachlorophenol, tensides, polyfluorinated compounds, polybrominated diphenylethers, hexabromocyclododecane, tetrabromobisphenol A, bisphenol A, synthetic musk compounds, siloxanes, phosphorus flame retardants, diethylhexylphtalate, dioxins and furans, PCBs, organohalogens, biocides (toxaphenes, DDT, chlordanes, HCH, TBT), PAHs, trace metals and stable isotopes of C and N in samples of sediment, blue mussel, shrimp, capelin, cod and Brünnich’s guillemot eggs from the Barents Sea region. The report is a contribution to closing an information gap pointed out in the Governmental White Paper (St.mld. 8, 2005/2006, Management Plan Barents)