National Air Toxics Assessment - 2002, EPA Region 2 (EPA.AIR.NATA99_R2)

Metadata Updated: January 13, 2018

This data layer is based on the model results of the 1999 National-Scale Assessment (N-SA), a part of the National Air Toxics Assessment (NATA), conducted by EPA's Office of Air Quality Planning & Standards (OAQPS). The assessment used computer models to estimate ambient air toxics concentrations and population exposures nationwide. Computer models were used since direct measurements of ambient air toxics concentrations are limited and direct personal exposure measurements are even more limited.

Access & Use Information

Downloads & Resources

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Dates

Metadata Date January 8, 2018
Metadata Created Date November 20, 2015
Metadata Updated Date January 13, 2018
Reference Date(s) January 1, 2002 (publication)
Frequency Of Update irregular

Metadata Source

Harvested from Environmental Dataset Gateway FGDC CSDGM

Additional Metadata

Resource Type Dataset
Metadata Date January 8, 2018
Metadata Created Date November 20, 2015
Metadata Updated Date January 13, 2018
Reference Date(s) January 1, 2002 (publication)
Responsible Party U.S. Environmental Protection Agency, Region 2, GIS Team (Point of Contact)
Contact Email
Access Constraints Use Constraints: These data should not be distributed to users unless distribution is explicitly granted. Please check sources, scale, accuracy, currentness and other available information. Please confirm that you are using the most recent copy of both data and metadata. Acknowledgement of the EPA would be appreciated., Access Constraints: Data Are Restricted to Internal EPA Personnel Only and State Partners.
Bbox East Long -71.777490
Bbox North Lat 45.015849
Bbox South Lat 40.477386
Bbox West Long -79.762590
Coupled Resource
Frequency Of Update irregular
Guid
Harvest Object Id 908e54ce-7a91-4e78-9614-14d07f503252
Harvest Source Id d0d72986-7693-406b-b71d-840540909711
Harvest Source Title Environmental Dataset Gateway FGDC CSDGM
Licence https://edg.epa.gov/EPA_Data_License.htm
Licence Url https://edg.epa.gov/EPA_Data_License.htm
Metadata Language
Metadata Type geospatial
Progress completed
Spatial Data Service Type
Spatial Reference System
Spatial Harvester True

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