• Organization: U.S. Environmental Protection Agency
• Updated: 2015-11-16

Chemical concentrations, exposures, health risks by census tract for the United States from National Scale Air Toxics Assessment (NATA). This dataset is associated with the following...

• xml

• Organization: U.S. Environmental Protection Agency
• Updated: 2019-08-15T00:00:00.000+00:00

These layers are a selection of the National Air Toxics Assessment (NATA) 2014 estimates of ambient concentrations and health-effect results by 2010 counties. The Environmental Protection Agency...

• Organization: U.S. Environmental Protection Agency
• Updated: 2019-08-15T00:00:00.000+00:00

These layers are a selection of the National Air Toxics Assessment (NATA) 2014 estimates of ambient concentrations and health-effect results by state. The Environmental Protection Agency (EPA)...

• Organization: U.S. Environmental Protection Agency
• Updated: 2019-08-15T00:00:00.000+00:00

These layers are a selection of the National Air Toxics Assessment (NATA) 2014 estimates of ambient concentrations and health-effect results by 2010 U.S. Census Tract. The Environmental Protection...

• Organization: U.S. Environmental Protection Agency
• Updated: 2016-07-20

Chemical concentration, exposure, and health risk data for U.S. census tracts from National Scale Air Toxics Assessment (NATA). This dataset is associated with the following publication: Huang,...

• xml

• Organization: U.S. Environmental Protection Agency
• Updated: 2017-09-07

These files represent the state and regional summaries of sensitivities to formaldehyde, acetaldehyde and ozone to various sources and compounds. This dataset is associated with the following...

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• none
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• none
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• none
• +1 more

• Organization: National Aeronautics and Space Administration
• Updated: 2025-07-17

This data set contains low-resolution (R~150) near-infrared (0.7-2.5 microns) spectra of 90 main belt asteroids observed with the SpeX instrument on the NASA Infrared Telescope Facility (IRTF) on...

• Organization: National Aeronautics and Space Administration
• Updated: 2025-07-17

This data set contains low-resolution (R~150) near-infrared (0.7-2.5 microns) spectra of 90 main belt asteroids observed with the SpeX instrument on the NASA Infrared Telescope Facility (IRTF) on...

• Organization: National Aeronautics and Space Administration
• Updated: 2025-07-17

This data set contains low-resolution (R~150) near-infrared (0.7-2.5 microns) spectra of 90 main belt asteroids observed with the SpeX...

• Organization: National Aeronautics and Space Administration
• Updated: 2025-07-17

This dataset contains the visible spectra of 820 asteroids obtained between November 1996 and May 2001 at the 1.52m telescope at ESO (La Silla). The useful spectral range is between about 4900 and...

• Organization: National Aeronautics and Space Administration
• Updated: 2025-07-17

This dataset contains the visible spectra of 820 asteroids obtained between November 1996 and May 2001 at the 1.52m telescope at ESO (La Silla). The useful spectral range is between about 4900 and...

• Organization: National Aeronautics and Space Administration
• Updated: 2025-07-17

This data set contains visible-wavelength (0.435-0.925 micron) spectra for 1341 main-belt asteroids observed during the second phase of the Small Main-belt Asteroid Spectroscopic Survey (SMASSII)...

• Organization: National Aeronautics and Space Administration
• Updated: 2025-07-17

This data set contains visible-wavelength (0.435-0.925 micron) spectra for 1341 main-belt asteroids observed during the second phase of the Small Main-belt Asteroid Spectroscopic Survey (SMASSII)...

• Organization: National Aeronautics and Space Administration
• Updated: 2025-07-17

This data set contains visible-wavelength (0.435-0.925 micron) spectra for 1341 main-belt asteroids observed during the second phase of the Small Main-belt Asteroid Spectroscopic Survey (SMASSII)...