Most studies of sediments focuses on oil and fuel related compounds as well as metals,and the total extent of the chemical content of sediments has usually not been fullyinvestigated. This could be remedied by extensive targeted analysis programs whichinvolve a conscious choice of which substances to include which also introduces biases.An alternative strategy is to use broad analytical screenings methods that do nottarget any specific substances. This study focuses on using such methods to obtainunprejudiced information about the content of substances in marine and limnic sediments.The aims of the project was mainly to assess the unprejudiced content of inorganicand organic substances in sediments and, if possible, to discover substances thathas not been found in sediments before