Search datasets
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In order to determine the current status of and detect any long-term trends in the environmental quality of U.S. nearshore waters, NOAA initiated the National Status and Trends program in 1984...
Search relevance: 1.00 | Views last month: 20 | Catalog Last Checked: August 02, 2026 at 05:04 PM -
This tool is intended to aid individuals interested in learning more about chemicals that are manufactured or imported into the United States. Health and safety information on these chemicals, ...
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This data provides results from the [California Environmental Data Exchange Network](https://ceden.waterboards.ca.gov) (CEDEN) for field and lab chemistry analyses. The data set contains two...
Search relevance: 1.00 | Views last month: 17 | Catalog Last Checked: July 31, 2026 at 08:42 PM -
To further transparency and openness, DOE established a policy to document and post online all CX determinations involving classes of actions listed in Appendix B to Subpart D of the DOE NEPA...
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The Nonattainment Area - Lead (Pb-2008) dataset was updated on June 30, 2026 by the Environmental Protection Agency (EPA) and is part of the U.S. Department of Transportation (USDOT)/Bureau of...
Search relevance: 1.00 | Views last month: 10 | Catalog Last Checked: August 03, 2026 at 02:52 PM -
To further transparency and openness, DOE established a policy to document and post online all CX determinations involving classes of actions listed in Appendix B to Subpart D of the DOE NEPA...
Search relevance: 1.00 | Views last month: 10 | Catalog Last Checked: August 03, 2026 at 02:33 AM -
Data collected for marine benthic infauna, freshwater benthic macroinvertebrate (BMI), algae, bacteria and diatom taxonomic analyses, from the [California Environmental Data Exchange...
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The Nonattainment Area - 8 hr Ozone (1997) dataset was updated on June 30, 2026 by the Environmental Protection Agency (EPA) and is part of the U.S. Department of Transportation (USDOT)/Bureau of...
Search relevance: 1.00 | Views last month: 6 | Catalog Last Checked: August 03, 2026 at 02:52 PM -
The Nonattainment Area - 8 hr ozone (2008) dataset was updated on June 30, 2026 by the Environmental Protection Agency (EPA) and is part of the U.S. Department of Transportation (USDOT)/Bureau of...
Search relevance: 1.00 | Views last month: 6 | Catalog Last Checked: August 03, 2026 at 02:52 PM -
The Toxics Release Inventory (TRI) Chemical Hazard Information Profiles (TRI-CHIP) dataset contains hazard information about the chemicals reported in TRI. Users can use this XML-format dataset to...
Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: August 01, 2026 at 03:29 AM -
The Nonattainment Area - 8 hr ozone (2015) dataset was updated on June 30, 2026 by the Environmental Protection Agency (EPA) and is part of the U.S. Department of Transportation (USDOT)/Bureau of...
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The Nonattainment Area - Particulate Matter-2.5 (2012) dataset was updated on June 30, 2026 by the Environmental Protection Agency (EPA) and is part of the U.S. Department of Transportation...
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This dataset includes field and lab chemistry data that has been submitted to the [California Environmental Data Exchange Network](https://ceden.waterboards.ca.gov) (CEDEN), but has not been...
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When it did exist - The Comprehensive Environmental Response, Compensation and Liability Information System (CERCLIS) (Superfund) Public Access Database (CPAD) contained a selected set of...
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The Nonattainment Area - Carbon Monoxide (CO-1971) dataset was updated on June 30, 2026 by the Environmental Protection Agency (EPA) and is part of the U.S. Department of Transportation...
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The Nonattainment Area - Nitrogen Dioxide (NO2-1971) dataset was updated on June 30, 2026 by the Environmental Protection Agency (EPA) and is part of the U.S. Department of Transportation...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: August 03, 2026 at 02:52 PM -
The Nonattainment Area - Particulate Matter- 10 (1987) dataset was updated on June 30, 2026 by the Environmental Protection Agency (EPA) and is part of the U.S. Department of Transportation...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: August 03, 2026 at 02:52 PM -
A web page that describes and links to EPA systems for accessing and downloading ambient (outdoor) air quality and emissions data
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OAR's RACT, BACT, LAER Clearinghouse (RBLC) database summarizes air pollution control technology information from EPA, state, local and tribal air permitting actions across the U.S. The acronyms...
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This data set provides results of tissue from organisms found in surface waters, from the [California Environmental Data Exchange Network](https://ceden.waterboards.ca.gov) (CEDEN). The data are...
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: July 31, 2026 at 08:42 PM
