Acknowledgements, Soraya Boudia, Nathalie Jas; Chapter 1 The Cold War over the Worker's Body: Cross-National Clashes over Maximum Allowable Concentrations in the Post-World War II Era, Christopher Sellers; Chapter 2 Adapting to 'Reality': The Emergence of an International Expertise on Food Additives and Contaminants in the 1950s and Early 1960s, Nathalie Jas; Chapter 3 From Threshold to Risk: Exposure to Low Doses of Radiation and its Effects on Toxicants Regulation, Soraya Boudia; Chapter 4 'License to Expose'? Occupational Exposure Limits, Scientific Expertise and State in Contemporary France, Emmanuel Henry; Chapter 5 Chemical Infrastructures of the St Clair River, Michelle Murphy; Chapter 6 Managing an Everlastingly Polluted World: Food Policies and Community Health Actions in the French West Indies, Didier Torny; Chapter 7 Chernobyl Empowerment? Exporting 'Part icipatory Governance' to Contaminated Territories, Sezin Topcu;