Ambient water quality criteria recommendations [[electronic resource] ] : information supporting the development of state and tribal nutrient criteria for rivers and streams in nutrient ecoregion XI : the central and eastern forested uplands including all or parts of the states of Pennsylvania ... and the tribes within the ecoregion
Pubbl/distr/stampa
Washington, D.C. : , : U.S. Environmental Protection Agency, Office of Water, Office of Science and Technology, Health and Ecological Criteria Division, , [2000]