Obituary for Wolfgang Holl () Section I: Arsenic in the environment, toxicology and remediation The global arsenic cycle revisited (Jorg Matschullat) Motivation and challenges The global biogeochemical arsenic cycle Arsenic toxicology -- A review (Eduardo de Capitani) Toxicology Toxicokinetics Clinical manifestations Arsenic removal from water (Wolfgang Holl (), Eleonora Deschamps) Introduction Arsenic removal by precipitation Arsenic removal through sorption Arsenic elimination through coagulation / filtration Arsenic elimination by membrane processes Technology options for arsenic removal and immobilization (Eleonora Deschamps) Introduction Arsenic removal technologies Overriding factors in technology selection EPA Comparative study to choose the best technology Final considerations Environmental laws and regulations (R. Vieira, S. Oberda, N. Rocha) Introduction The Brazilian situation Section II: Iron Quadrangle, ARSENEX project and related perceptions History and socioeconomy -- Iron Quadrangle (I. Menses, F.E. Renger, E. Deschamps) A brief history of the Iron Quadrangle Socioeconomy -- Nova Lima and Santa Barbara districts Physical aspects of the Iron Quadrangle (Katiane Almeida, Jorg Matschullat, Jaime Mello, Isabel Meneses, Zenilde Viola) Geology -- Geomorphology Soils of the Iron Quadrangle Climate and Hydrology Project philosophy, history and development (E. Deschamps, J. Matschullat) Environmental and health perceptions (Adriano Tostes, E. Deschamps) Objectives Methodology Discussion and analysis of results and products Conclusions a Section III: From air, water and soil to the human body Dust sampling and interpretation (Jorg Matschullat) Sampling (total, wet, dry, and interception deposition) Biomonitoring with lichens Aerosols Domestic dusts Surface water (O. Vasconselos, S. Oberda, E. Deschamps, J. Matschullat) Sampling, sample preparation and analysis Results and interpretation Soils and sediments (Eleonora Deschamps, Jaime Mello, Jorg Matschullat) Sampling of soils and sediments Preparation and analytical methods Soil and sediment results, health risk assessment Arsenic -- geochemistry and environmental mobility Arsenic in edible and bioaccumulating plants (O. Vascconcelos, H. Palmieri, J. Matschullat, E. Deschamps) Arsenic uptake in plants Sampling, sample preparation and analysis Arsenic in edible plants and ferns -- Iron Quadrangle Consequences of arsenic in edible plants Human biomonitoring (Nilton Couto, Silvania Mattos, Jorg Matschullat) Introduction Sampling, storage, and analytical procedures Results and interpretation Health issues and conclusions Section IV: Solutions and outlook -- meeting the challenges Environmental and health education (S. Oberda, E. Deschamps, L. Fittipaldi) Environmental education Environmental education and healthcare workshops Workshop details Workshop evaluation Water treatment -- a local example (Eleonora Deschamps, Neila Assuncao) Introduction Technical details of the treatment plant Start-up and performance control Mitigation and solutions (Eleonora Deschamps, Jorg Matschullat) Risk evaluation Institutional measures Recommendations Section V: Annex Subject index
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