El Plan de Acción para el Mediterráneo - CEAB

• The available data base on hydrocarbon levelsshows that most of the observations were fromcoastal and near shore areas with a lack of data inthe open sea.• Most of the data are not comparable since theywere not obtained by intercalibrated methods.• Very little information was available on thebiological effects.• A reliable scientific evaluation of the state ofpollution and the possible associated biologicaleffects cannot be made with confidence on thebasis of existing data.