by-product / large-scale tool / trace metal concentrations / agricultural chemicals / rural septic systems / restoration tool / toxic chemicals / bank flooding / chemicals / animal waste management systems / /
NaturalFeature
Gulf of Mexico / Louisiana coast / Texas coast / Lower Mississippi River / /
Organization
Louisiana Department of Environmental Quality / Congress / National Park Service / U.S. Environmental Protection Agency / Louisiana State University / FDA / Corps of Engineers / Department of the Interior / Restoration Task Force / /