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Federal
US EPA Nonattainment Areas and Designations
U.S. Environmental Protection Agency —
This web service contains the following state level layers:Ozone 8-hr (1997 standard), Ozone 8-hr (2008 standard), Lead (2008 standard), SO2 1-hr (2010 standard),... -
Federal
EPA Linked Open Data (Collection)
U.S. Environmental Protection Agency —
This is a collection item referencing the following EPA Linked Data resources: - EPA Facility Registry Service (FRS) - EPA Substance Registry Service (SRS) - Resource... -
Federal
Cleanups In My Community (CIMC) - RCRA and Base Realignment and Closure (BRAC) Federal Facilities, National Layer
U.S. Environmental Protection Agency —
This data layer provides access to Resource Conservation and Recovery Act (RCRA) Base Realignment and Closure (BRAC) sites as part of the CIMC web service. The... -
Federal
Paper 2 Method 200.8
U.S. Environmental Protection Agency —
Data is for the Paper 2 Method 200.8 update on M2+ interference correction approaches. This dataset is associated with the following publication: Smith, S., R.... -
Federal
US EPA Nonattainment Areas and Designations - Download Package
U.S. Environmental Protection Agency —
This downloadable data package contains the following state level layers: Ozone 8-hr (1997 standard), Ozone 8-hr (2008 standard), Lead (2008 standard), SO2 1-hr (2010... -
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
SH for Improving PM2.5 forecasts
U.S. Environmental Protection Agency —
-Aerosol Optical Depth (AOD) data sets are used from satellite instruments MODIS Terra and Aqua and VIIRS which included a combination of the Dark Tark and Deep Blue... -
Federal
Land use and beach closure 2004-2013 in the United States
U.S. Environmental Protection Agency —
The dataset contains the beach closure data and land use information around each beach in 2006 and 2011 in the United States. The original data are created by EPA and... -
Federal
US EPA Nonattainment Areas and Designations-SO2 (2010 NAAQS)
U.S. Environmental Protection Agency —
This web service contains the following layer: SO2 2010 NAAQS State Level. Full FGDC metadata records for each layer may be found by clicking the layer name at the... -
Federal
HTTK: R Package for High-Throughput Toxicokinetics
U.S. Environmental Protection Agency —
Functions and data tables for simulation and statistical analysis of chemical toxicokinetics ("TK") as in Pearce et al. (2017) . Chemical-specific in vitro data have... -
Federal
Coupling of organic and inorganic systems and the effect on gas-particle partitioning in the southeastern United States
U.S. Environmental Protection Agency —
Several models were used to describe the partitioning of ammonia, water, and organic compounds between the gas and particle phases for conditions in the southeastern... -
Federal
CMAQ model data provided by EPA/ORD researchers for Makar et al. (2025) paper. Model data at monitoring stations, gridded annual deposition fields, and gridded monthly median diurnal deposition diagnostics.
U.S. Environmental Protection Agency —
This dataset contains the CMAQ model data provided by EPA/ORD researchers for the Makar et al. (2025) paper. It includes CMAQ model data extracted at monitoring... -
Federal
HTTK R Package v1.7 - Evaluation and Calibration of High-Throughput Predictions of Chemical Distribution to Tissues
U.S. Environmental Protection Agency —
httk: High-Throughput Toxicokinetics Functions and data tables for simulation and statistical analysis of chemical toxicokinetics ("TK") using data obtained from... -
Federal
San Francisco Bay Area Baseline Trash Loading (2501-5000 gal per yr), San Francisco Bay Area CA, 2012, US EPA Region 9
U.S. Environmental Protection Agency —
Marine debris degrades ocean habitats, endangers marine and coastal wildlife, causes navigation hazards, results in economic losses to industry and governments, and... -
Federal
US EPA Nonattainment Areas and Designations - Carbon Monoxide (1990 NAAQS) - Web Service Layer
U.S. Environmental Protection Agency —
This web service layer, Carbon Monoxide (1990 NAAQS), displays identified state level areas where carbon monoxide pollution has not met the National Ambient Air... -
Federal
High-throughput screening tools facilitate calculation of a combined exposure-bioactivity index for chemicals with endocrine activity
U.S. Environmental Protection Agency —
Dataset consists of high throughput in vitro bioactivity data and exposure predictions from the U.S. EPA’s Toxicity and Exposure Forecaster (ToxCast and ExpoCast)... -
Federal
GADEP Continuous PM2.5 mass concentration data, VIIRS Day Night Band SDR (SVDNB), MODIS Terra Level 2 water vapor profiles (infrared algorithm for atmospheric profiles for both day and night, NWS surface meteorological data
U.S. Environmental Protection Agency —
Data descriptions are provided at the following urls: GADEP Continuous PM2.5 mass concentration data - https://aqs.epa.gov/aqsweb/documents/data_mart_welcome.html... -
Federal
US EPA Nonattainment Areas and Designations-Annual PM2.5 (1997 NAAQS)
U.S. Environmental Protection Agency —
This web service contains the following layers: PM2.5 Annual 1997 NAAQS State Level and PM2.5 Annual 1997 NAAQS National . It also contains the following tables:... -
Federal
US EPA Nonattainment Areas and Designations-Lead (2008 NAAQS)
U.S. Environmental Protection Agency —
This web service contains the following layers: Lead NAA 2008 NAAQS and Lead NAA Centroids 2008 NAAQS. Full FGDC metadata records for each layer may be found by... -
Federal
On the implications of aerosol liquid water and phase separation for organic aerosol mass
U.S. Environmental Protection Agency —
This dataset contains data presented in the figures of the paper "On the implications of aerosol liquid water and phase separation for organic aerosol mass" published...