A U.S. health agency has made research subjects of people in tiny Mossville, Louisiana by repeatedly monitoring dangerously high levels of dioxin in their blood while doing nothing to get the community out of harm's way, residents say... Mossville is closed in by 14 chemical factories, including Petroleum giant Conoco Phillips and Georgia Gulf... Residents want an end to the pollution and want to be moved away from the factories... Steve Dearwent, an epidemiologist who led the study...[by the US Agency for Toxic Substances and Disease Registry (ATSDR) says the] ATSDR does not believe that the dioxin levels seen in people in Mossville are high enough to cause health problems... Georgia Gulf says the industries in Mossville have improved their environmental records.