The generation of the list of industry sources was based on an analysis of toxic pollutants found at the source sites and a projection of their related human health impacts. The list sets out the most significant industry sectors based on these toxic pollutants, ranked by estimated health impacts. A short discussion of some of the major pollutants found at the sites is presented below, included is a description of the toxic pollutant and a discussion of its uses and health impacts. Pollutant types examined in the 2012 report only include those with measurable health outcomes whose contribution to DALYs can.
