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  • Where can I find older NEI data (prior to 2008)?

    The raw data and summaries that are still available (dating back to 1990) can be obtained from the web page https://www.epa.gov/air-emissions-inventories/pollutant-emissions-summary-files-earlier-neis . Starting with 2001 data, a more limited selection of summary files are available.

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  • Are biogenic emissions included in the emissions trends Tier 1 data?

    No, the biogenic emissions are not included in the emissions trends Tier 1 data. If needed, users can add the biogenic data either as a separate Tier, or specify its inclusion in the “Miscellaneous” Tier 1 group.

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  • Are there any changes to the registration of disinfectants due to COVID-19?

    List N: Disinfectants for Use Against SARS-CoV-2 View List N, a searchable and sortable list of products for use against SARS-CoV-2, the novel human coronavirus that causes COVID-19. At the federal level, EPA has published guidance on amending product registrations to add claims of efficacy against SARS-CoV-2 , claims of…

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  • Why aren’t hand sanitizers listed on List N?

    List N: Disinfectants for Use Against SARS-CoV-2 View List N, a searchable and sortable list of products for use against SARS-CoV-2, the novel human coronavirus that causes COVID-19. List N only includes EPA-registered surface disinfectants. Hand sanitizers, antiseptic washes and antibacterial soaps are regulated by the Food and Drug Administration…

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  • What’s the difference between products that disinfect, sanitize, and clean surfaces?

    At EPA, products used to kill viruses and bacteria on surfaces are registered as antimicrobial pesticides. Sanitizers and disinfectants are two types of antimicrobial pesticides. Action What does it do? Does EPA regulate the product? Cleaning Cleaning removes dirt and organic matter from surfaces using soap or detergents. EPA regulates cleaning products…

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  • Will EPA take enforcement action against companies making false claims that their disinfectants work against SARS-CoV-2 (COVID-19)?

    List N: Disinfectants for Use Against SARS-CoV-2 View List N, a searchable and sortable list of products for use against SARS-CoV-2, the novel human coronavirus that causes COVID-19. Yes, EPA is authorized to take enforcement action to prevent the sale or distribution of disinfectants with false or misleading claims on…

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  • What sources make up the Sectors or Tiers used in the emissions data summaries?

    Tier 1 and Sector categories are assigned by source classification codes (SCCs) that are the most specific processes available in the NEI. The latest SCC list with the Tier 1 and Sector assignments can be downloaded from the EPA SCC website in Comma Separate Values (CSV) format.

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  • Where can I obtain the hourly data from Continuous Emissions Monitors (CEMs)?

    The CEM emissions data are available from the EPA Clean Air Markets Program Data website.

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  • How are people potentially exposed to nitrate?

    For many situations, the potential for children’s exposure from drinking water is medium to low. The potential can be higher when private wells become contaminated with nitrates from feed lot and agricultural runoff, and contaminated groundwater. Some geographic areas are at higher risk of drinking water contamination of private wells…

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  • How can I get more detailed information? What measurements/sensors are used to measure emissions?

    Access the latest NEI data set . Under 'Sector Summaries - Criteria and Hazardous Air Pollutants by 60 EIS emission sectors', > choose National > for Pollutant, choose PM10 Primary and/ or PM2.5-PRI > Sector, choose all sectors >Submit Query to see results at bottom of page. Open the results…

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  • What is an emerging viral pathogen claim?

    List N: Disinfectants for Use Against SARS-CoV-2 View List N, a searchable and sortable list of products for use against SARS-CoV-2, the novel human coronavirus that causes COVID-19. The National Institute of Allergy and Infectious Diseases defines “emerging infectious diseases/pathogens” as those “that have newly appeared in a population or…

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  • What is the process for EPA approval of disinfectant products related to COVID-19?

    List N: Disinfectants for Use Against SARS-CoV-2 View List N, a searchable and sortable list of products for use against SARS-CoV-2, the novel human coronavirus that causes COVID-19. EPA reviews and registers antimicrobial pesticides, which include disinfectants for use on pathogens like SARS-CoV-2, the coronavirus that causes COVID-19. Products expected…

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  • Does EPA regulate companies that require cleaning services claiming to disinfect for SARS-CoV-2 (COVID-19)?

    List N: Disinfectants for Use Against SARS-CoV-2 View List N, a searchable and sortable list of products for use against SARS-CoV-2, the novel human coronavirus that causes COVID-19. No, EPA does not license companies that provide cleaning services. However, state requirements for training, certification and licenses vary widely, so check…

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  • Do I need to register disinfectant products with EPA in order to import them?

    List N: Disinfectants for Use Against SARS-CoV-2 View List N, a searchable and sortable list of products for use against SARS-CoV-2, the novel human coronavirus that causes COVID-19. Disinfectants like those on List N must be registered with EPA before they can be imported, sold, marketed, or distributed in the…

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  • Where can I get maps and/or emissions of facility emissions data?

    The EPA provides emissions maps in two ways. First, each of the last three NEI years have a “Facility Mapping” tab available on the main NEI page for that inventory year (for example, see the 2020 NEI page). With this tool, maps can be created for one state at a…

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