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Displaying 1 - 15 of 20 results

• Purpose of Oil Pollution Prevention regulation

  What is the purpose of the Oil Pollution Prevention regulation? When oil spills into navigable waters or onto adjoining shorelines, it can have harmful impacts on the environment, human health, and economic activity. EPA issued the Oil Pollution Prevention regulation to prevent oil spills and to assure that oil facility…

  • Last published: June 5, 2024

• Where can I download hourly emissions data from continuous monitoring?

  Hourly emissions data files are available from the Clean Air Markets Division of EPA, collected as part of 40 CFR Part 75. The download location has changed in February, 2023. The new location is https://campd.epa.gov/data/bulk-data-files . Once on this new site, use the menu (at the left) and the Keyword…

  • Last published: January 7, 2025

• What are the recordkeeping requirements for a renewable fuel producer that uses used cooking oils and fats as feedstocks for renewable fuel?

  See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help . Renewable fuel producers using used cooking oils or animal wastes as feedstocks are required under 40 CFR 80.1454(d)(3) to obtain from their feedstock supplier, and maintain in their records, documents which certify that the feedstock meets the definition…

  • Last published: August 2, 2024

• How complete are the data in the National Emissions Inventory?

  While the goal of the National Emissions Inventory (NEI) program is to include all emissions data, there are always challenges meeting this goal. The answer about completeness of coverage of sources depends on the emissions sector and pollutant. In general, the criteria air pollutants and precursors (CAPs) are expected to…

  • Last published: January 7, 2025

• Where is more information available about emissions estimation methods used by the EPA?

  For criteria air pollutants and precursors as well as for hazardous air pollutants, the methods are described in the technical support document (TSD) for the latest National Emissions Inventory (NEI) available from the main NEI page . For greenhouse gas emissions, you can find greenhouse gas inventory methods from the…

  • Last published: January 7, 2025

• How do I determine what SCCs have changed between inventory years?

  These are available in the EIS (Reporting Code table) or public website: https://sor-scc-api.epa.gov/sccwebservices/sccsearch/ Filter on “last inventory year” to remove SCCs no longer active. If this column has a date in it, then the SCC has been retired as of that date. The “last updated date” (column J) indicates when…

  • Last published: February 14, 2024

• What materials from non-federal forestlands meet the definition of renewable biomass in RFS?

  See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help . Slash and pre-commercial thinnings from non-federal forestland that is not ecologically sensitive forestland qualify as renewable biomass for purposes of RFS. Slash is defined in 40 CFR 80.1401 as the residue, including treetops, branches and bark, left on…

  • Last published: February 23, 2024

• Where are the NAICS/ SIC and SCC codes changes that have been implemented for the 2017NEI?

  Please refer to the NEI webpage for 2017 documentation , and follow the link for Appendix 2 - 2017 NEI Plan Code Changes. That Excel file describes anticipated changes for the SCCs and NAICS and includes a helpful read me. I'll just note in the next NEI/EIS email that SCC…

  • Last published: March 18, 2024

• How does the "active management" requirement in the definition of renewable biomass apply to land that changes status in the future?

  See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help . In RFS2, EPA has interpreted the EISA requirement that existing agricultural land be "cleared or cultivated at any time prior to [December 19, 2007] and actively managed or fallow and nonforested" to apply to land that existed as…

  • Last published: August 2, 2024

• How are emissions trends compiled?

  For criteria air pollutants and precursors, the emissions trends are based on the triennial National Emissions Inventory data, with some interim year data included for non-triennial years. The methods and interim-year approaches are described on the “Development of Data” tab included with the data provided on the Air Pollutant Emissions…

  • Last published: January 7, 2025

• SPCC Training Materials for Production Sector
  

  Does EPA offer any Spill Prevention, Control, and Countermeasure (SPCC) training materials specifically for the production sector? Yes. EPA has developed a “train-the-trainer” presentation for the production sector. The presentation provides information for organizations to hold trainings on the SPCC rule. The presentation is available in the SPCC Rule: Train-the-Trainer…

  • Last published: February 22, 2024

• Are the GHGs in the National Emissions Inventory Complete?

  No, the 2020 National Emissions Inventory (NEI) does not comprehensively capture all sources and sinks of greenhouse gases (GHGs) in the United States. For this information, users should review the EPA’s annual Inventory of U.S. Greenhouse Gas Emissions and Sinks . However, the NEI does report GHG emissions for select…

  • Last published: May 31, 2024

• Does a renewable fuel producer have to report and maintain records on the feedstocks for every batch of renewable fuel they produce?

  See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help . All renewable fuel producers must report and maintain records concerning the type and amount of feedstocks used for each batch of renewable fuel produced (see 80.1451(b)(1)(ii)(K) and 80.1454(b)(3)(vi)). With regard to the renewable biomass recordkeeping and reporting requirements…

  • Last published: August 2, 2024

• How does a renewable fuel producer document that the MSW feedstock that they are using to produce cellulosic ethanol meets the definition of separated MSW as defined in Section 80.1426(f)(5)(i)(C )? How does the producer quantify the portion of the final

  See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help . The renewable fuel producer using separated MSW feedstock to produce renewable fuels such as cellulosic ethanol, cellulosic diesel, cellulosic naphtha, etc. must document that their feedstock meets the definition of separated municipal solid waste (MSW), which is "material…

  • Last published: August 2, 2024

• How does the "active management" requirement in the definition of renewable biomass apply to land that changes status in the future?

  See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help . In RFS2, EPA has interpreted the EISA requirement that existing agricultural land be "cleared or cultivated at any time prior to [December 19, 2007] and actively managed or fallow and nonforested" to apply to land that existed as…

  • Last published: August 2, 2024