Search datasets
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Heavy fog was hypothesized to interfere with flight of waterfowl by obscuring visibility and cause waterfowl to fly more in search for habitat below, which in turn, is likely to increase...
Search relevance: 168.45 | Views last month: 0 | Catalog Last Checked: August 01, 2026 at 06:11 AM -
This data set containslists of State Implementation Plan documents and supporting files. The State Implementation Plans are formal submissions to the Environmental Protection Agency by which...
Search relevance: 130.52 | Views last month: 0 | Catalog Last Checked: August 02, 2026 at 11:06 PM -
Certified Emissions Repair Facilities (CERFs) are vehicle repair shops that specialize in diagnosing, repairing, and maintaining emissions control systems on light and medium duty vehicles. To...
Search relevance: 115.62 | Views last month: 1 | Catalog Last Checked: August 02, 2026 at 11:06 PM -
Maryland's State Implementation Plan (SIP) is a set of documents, regulations, plans, inventories, and other materials that are used to document Maryland's compliance with the federal Clean Air...
Search relevance: 111.87 | Views last month: 0 | Catalog Last Checked: August 02, 2026 at 11:11 PM -
The Environmental Protection Agency's Enforcement and Compliance History Online (ECHO) website provides customizable and downloadable information about environmental inspections, violations, and...
Search relevance: 111.73 | Views last month: 6 | Catalog Last Checked: August 01, 2026 at 03:29 AM -
The Engine and Vehicle Compliance Certification and Fuel Economy Inventory contains measured emissions and fuel economy compliance information for all types of vehicles (mobile sources of air...
Search relevance: 110.84 | Views last month: 0 | Catalog Last Checked: August 01, 2026 at 03:29 AM -
This list was prepared to help firms handling chemicals determine whether they need to submit reports under sections 302, 304, or 313 of the Emergency Planning and Community Right-to-Know Act of...
Search relevance: 110.63 | Views last month: 7 | Catalog Last Checked: August 03, 2026 at 04:49 AM -
This list was prepared to help firms handling chemicals determine whether they need to submit reports under sections 302, 304, or 313 of the Emergency Planning and Community Right-to-Know Act of...
Search relevance: 110.63 | Views last month: 2 | Catalog Last Checked: August 03, 2026 at 04:49 AM -
EPAs Office of Enforcement and Compliance Assurance (OECA) cases and settlements webpage contains links to selected settlements resolving civil enforcement cases and, in some cases, complaints...
Search relevance: 106.32 | Views last month: 31 | Catalog Last Checked: August 01, 2026 at 03:29 AM -
The Historical Ambient Air Quality Data Inventory contains measured and estimated data on ambient air pollution for use in assessing air quality, assisting in designating attainment/non-attainment...
Search relevance: 101.54 | Views last month: 7 | Catalog Last Checked: August 01, 2026 at 03:29 AM -
The Office of Emergency Management maintains information relevant to preventing emergencies before they occur, and/or mitigating the effects of emergency when they do occur. A principal element...
Search relevance: 99.86 | Views last month: 4 | Catalog Last Checked: August 03, 2026 at 04:48 AM -
The RadNet Real-Time Monitoring Spectrometry Data Inventory contains measured data used to identify and measure specific radioactive materials in the atmosphere at locations across the United...
Search relevance: 98.61 | Views last month: 2 | Catalog Last Checked: August 01, 2026 at 03:29 AM -
Quality Data Asset includes all current and historical data on the quality of water with regard to the presence of water pollutants of all kinds regulated by the Clean Water Act. Under the new...
Search relevance: 97.04 | Views last month: 4 | Catalog Last Checked: August 01, 2026 at 03:29 AM -
The Mobile Source Emissions Regulatory Compliance Data Inventory data asset contains measured summary compliance information on light-duty, heavy-duty, and non-road engine manufacturers by model,...
Search relevance: 90.09 | Views last month: 5 | Catalog Last Checked: August 01, 2026 at 03:29 AM -
This data set containslists of State Implementation Plan documents and supporting files. The State Implementation Plans are formal submissions to the Environmental Protection Agency by which...
Search relevance: 75.89 | Views last month: 2 | Catalog Last Checked: August 02, 2026 at 11:12 PM -
The State Review Framework is a primary means by which EPA conducts oversight of three core federal statutes: Clean Air Act, Clean Water Act, and Resource Conservation and Recovery Act. The...
Search relevance: 71.19 | Views last month: 6 | Catalog Last Checked: August 01, 2026 at 03:29 AM -
Certified Emissions Repair Facilities (CERFs) are vehicle repair shops that specialize in diagnosing, repairing, and maintaining emissions control systems on light and medium duty vehicles. To...
Search relevance: 65.65 | Views last month: 4 | Catalog Last Checked: August 02, 2026 at 11:07 PM -
This polygon layer contains a spatial representation of geographic areas that are designated as Air Quality Maintenance Areas and Nonattainment Areas for the criteria pollutant CARBON MONOXIDE. A...
Search relevance: 61.83 | Views last month: 11 | Catalog Last Checked: August 02, 2026 at 05:30 PM -
This polygon layer contains a spatial representation of geographic areas that are designated as Air Quality Maintenance Areas and Nonattainment Areas for the criteria pollutant PM10 (particulate...
Search relevance: 61.36 | Views last month: 4 | Catalog Last Checked: August 02, 2026 at 05:31 PM -
This polygon layer contains a spatial representation of geographic areas that are designated as Air Quality Maintenance Areas and Nonattainment Areas for the criteria pollutant OZONE. A criteria...
Search relevance: 61.21 | Views last month: 14 | Catalog Last Checked: August 02, 2026 at 05:30 PM
