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Federal
US EPA Nonattainment Areas and Designations-8 Hour Ozone (2008 NAAQS)
U.S. Environmental Protection Agency —
This web service contains the following layers: Ozone 2008 NAAQS NAA State Level and Ozone 2008 NAAQS NAA National Level. Full FGDC metadata records for each layer... -
Federal
Chemical Data Reporting (CDR), 2012
U.S. Environmental Protection Agency —
This data download package contains the following map layers: CDR sites, CDR chemicals, and CDR commercial and industrial submissions. Layers are drawn at all scales.... -
Federal
US EPA Nonattainment Areas and Designations-PM10 (1987 NAAQS)
U.S. Environmental Protection Agency —
This web service contains the following layer: PM10 Nonattainment Areas (1987 NAAQS). Full FGDC metadata records for each layer may be found by clicking the layer... -
Federal
US EPA Regional Masks Web Service, US, 2015, US EPA, SEGS
U.S. Environmental Protection Agency —
This web service contains the following map layers: masks and labels for EPA regions 1 through 10. Mask layers are drawn at all scales. Label layers draw at scales... -
Federal
EJSCREEN Regions Percentiles Lookup Table--2015 Public Release
U.S. Environmental Protection Agency —
The Regions table provides percentile breaks of important EJSCREEN elements (demographic indicators and indexes, environmental indicators and indexes) at the EPA...