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Federal
National Inventory of Phosphorus (v1, 8.30.19)
U.S. Environmental Protection Agency —
This is a project assessing the state of major input and outputs of reactive nitrogen (Nr) and phosphorus across the coterminous US at the HUC 8 scale for three... -
Federal
National-Scale Assessment of Total Gaseous Mercury Isotopes Across the United States
U.S. Environmental Protection Agency —
Data for "Tate, M. T., Janssen, S. E., Lepak, R. F., Flucke, L., & Krabbenhoft, D. P. (2023). National-scale assessment of total gaseous mercury isotopes across... -
Federal
PHOSPHORUS INVENTORY FOR THE CONTERMINOUS UNITED STATES (2002-2012), updated legacy V2
U.S. Environmental Protection Agency —
This dataset contains estimates of phosphorus inputs and outputs for all HUC-8 subbasins across the contiguous United States for the years 2002, 2007, and 2012 as... -
Federal
Dearborn GC-MS organic speciation data
U.S. Environmental Protection Agency —
Ambient particulate matter organic speciation data from July - August, 2011. This dataset is associated with the following publication: Lynam, M., T. Dvonch, J....