Data comprise concentrations of Perfluorinated compounds in the eggs of the marine sentinel species the Northern gannet (Morus bassanus), from colonies in Ailsa Craig in the Irish Sea (eastern Atlantic), and Bass Rock in the North Sea, United Kingdom. The study reports concentrations of eight perfluorinated carboxylic acids (PFCAs) and three perfluorinated sulfonates (PFSs), for 1977-2014. The data is part of the Predatory Bird Monitoring Scheme (PBMS). Full details about this dataset can be found at https://doi.org/10.5285/43487d30-ba23-424e-a2bb-d04dd121875c
