For the first time in France, the biological concentrations of several environmental chemicals have been measured in a representative sample of the population. The French Institute for Public Health Surveillance (InVS) studies the French population’s exposure to various environmental chemicals by directly measuring the concentration of these substances or their metabolites in individuals’ biological tissues and fluids (blood, urine, hair, etc.). Through such measurements, the environmental component of the National Nutrition and Health Survey (ENNS) provides an initial estimate of the French population’s exposure to a range of chemicals: metals, pesticides, and polychlorinated biphenyls (PCBs). This Volume 2 of the environmental component of the study includes detailed fact sheets for non-dioxin-like polychlorinated biphenyls (PCB-NDL) and three families of pesticides: organochlorine pesticides (HCB, HCH, DDT and its metabolite DDE, chlorophenols), organophosphorus pesticides, and pyrethroids. Each fact sheet includes general information (uses, population exposure, fate in the body, and health effects), concentrations observed in the French population, comparisons with French or foreign studies, and factors that may influence the observed concentrations. Volume 1 of the report, already published, includes a general overview of the study (individuals aged 3 to 74 included in 2006–2007) and detailed fact sheets for each of the eleven metals or metalloids: antimony, arsenic, cadmium, chromium, cobalt, tin, mercury, nickel, lead, uranium, and vanadium. The data presented in this study make available for the first time to physicians and other public health professionals the distribution of concentrations of various biomarkers observed in the adult population, enabling them to determine whether an individual or a group of individuals has been exposed to higher levels of chemicals than those observed in the general French population. (R.A.)