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2012 Nitrogen Dioxide Monitoring Site Design Values

Summary

Type of release
ongoing release of a series of related datasets

Data Licence
Not Applicable

Content Licence
Creative Commons CCZero

Verification
automatically awarded

Release Date
22 April 2015
Modified Date
6 May 2015
Update Frequency
annually
Publishers
U.S. Environmental Protection Agency
Identifier
2012-nitrogen-dioxide-monitoring-site-design-values
Landing Page
http://catalog.data.gov/dataset/2012-nitrogen-dioxide-monitoring-site-design-values

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Description

A design value is a statistic that describes the air quality status of a given location relative to the level of the National Ambient Air Quality Standards (NAAQS). Design values are defined to be consistent with the individual NAAQS as described in CFR Part 50. They are typically used to designate and classify nonattainment areas, as well as to assess progress towards meeting the NAAQS. To view a list of areas designated nonattainment, see EPA's Green Book site. Design values are computed and published annually by EPA's Office of Air Quality Planning and Standards and reviewed in conjunction with the EPA Regional Offices. Some of these design values can change after the date of publication for a variety of reasons, including but not limited to: 1) EPA agreement that certain data were influenced by exceptional events and therefore not subject for comparison with the NAAQS, 2) States retroactively entering or changing erroneous data based on later findings, and/or 3) notification of a monitoring issue (e.g. network design, site combination, change in the regulatory status of a monitor) that would prompt a revision.

General Information

Legal Information

This dataset has been created by US Government which means it is required to be in the public domain. However US copyright law only allows open access by US citizens, we have assumed the data is equivalently licensed as CC0 for the rest of the world as this is in the spirit of the US Government’s Open Data policy.

  • The rights statement is at

    http://catalog.data.gov/dataset/2012-nitrogen-dioxide-monitoring-site-design-values Do you think this data is incorrect? Let us know

  • Outside the US, this data is available under

    Creative Commons CCZero Do you think this data is incorrect? Let us know

  • There are

    yes, and the rights are all held by the same person or organisation Do you think this data is incorrect? Let us know

  • The content is available under

    Creative Commons CCZero Do you think this data is incorrect? Let us know

  • This data contains

    no data about individuals Do you think this data is incorrect? Let us know

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  • The data appears in this collection

    http://catalog.data.gov/organization/epa-gov Do you think this data is incorrect? Let us know

  • This data changes

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  • Find out how to contact someone about this data at

    http://catalog.data.gov/dataset/2012-nitrogen-dioxide-monitoring-site-design-values Do you think this data is incorrect? Let us know

  • Find out how to suggest improvements to publication at

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