The chart shows the total dioxin levels in 37 samples of minerals and mineral supplements destined for livestock feed taken by the CFIA from 2002 to 2007. It also indicates the mean level of dioxins in these samples, which is 0.39 nanograms World Health Organization-Toxic Equivalents per kilogram, and the new Action Level for Dioxins in Minerals, Mineral Complexes, Macropremixes, and Anti-caking Agents, which has been set at 1.5 nanograms World Health Organization-Toxic Equivalents per kilogram.