Content -- Preface -- Summary -- Passive Sampler Trial Survey -- Use of passive samplers in the Nordic countries -- Passive sampler evaluation -- 1. Introduction -- 1.1 Background of the passive sampling trial survey -- 1.2 Nordic participation in the PSTS -- 1.3 Timeline of work in OSPAR for PSTS -- 2. Passive samplers - theory and practice -- 2.1 Application of passive sampling to organic substances -- 2.2 Application of passive sampling to metals -- 2.3 Performance reference compounds -- 2.4 Calculation of free dissolved concentration -- 3. Sampling programme -- 3.1 Selection of stations -- 3.2 Sampling stations for PSTS -- 3.3 Passive sampler handling -- 3.4 Extraction and analysis for biota and sediment -- 4. Results -- 4.1 Reporting of the PSTS -- 4.2 Water phase results -- 4.3 Results from measurements in sediment pore waters -- 4.4 Results from the work with mussel and sediments -- 4.5 Comparison of passive samplers and mussel/sediment samples -- 4.6 Nereis-Hinia-Nucoloma test of sediments -- 4.7 PSTS intercalibration results -- 4.8 Selected PSTS reference laboratory results -- 5. Discussion -- 5.1 Status of PSTS within OSPAR/ICES -- 5.2 Experience with PSTS in the Nordic countries -- 5.3 Experience with passive samplersin the Nordic countries -- 5.4 Use of passive samplers in national monitoring -- 6. Conclusions -- 6.1 National Nordic monitoring -- 6.2 OSPAR monitoring -- 6.3 EU WFD/Marine Strategy -- Acknowledgements -- References -- Sammenfatning -- Passive prøvetager forsøgsundersøgelse -- Brug af passive prøvetager i de nordiske lande -- Evaluering af passive prøvetagere -- Annexes -- Annex 1: Selected acronyms -- Annex 2: Use of passive samplers in the Nordic countries -- Annex 3: OSPAR and PSTS -- Annex 4: Program for Passive Sampler møde på Søminestationen ved Holbæk (Danmark).

Annex 5: The participating institutions and examples of passive sampler experiences in the Nordic countries -- Bilag -- Data sheets reported to PSTS (water 1-8, sediment 1-5).