Afleiding van het maximaal toelaatbaar risiconiveau met betrekking tot doorvergiftiging voor een aantal stoffen in het kader van het vaststellen van bijzondere milieukwaliteitsdoelstellingen voor de Noordzee en Waddenzee

In order to determine Special Environmental Quality Criteria for the Northsea and Waddensea Maximal Tolerable Risk Levels (MTR) were derived based on the risk for secondary poisoning. Therefore a model was used developed by the National Institute of Public Health and the Environment on risk-assessment for fish-eating birds. For alpha-HCH and pentachlorobenzene no toxicity data on birds could be found which made it impossible to use the model. MTR values of 28, 16, 2.9, and 1.3 ng/l were calculated for hexachlorobenzene, DDT, DDE and DDD, respectively.