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  2. Integrated Science Assessments
  3. Learn about ISAs

Integrated Science Assessment - Final Reports

Finalized Publications

The table below contains a list of the most recent final Integrated Science Assessments. See the individual criteria pages (links in table) for the latest updates and developments that are happening.

Criteria PollutantCitationYear
Particulate Matter

Supplement to the 2019 Integrated Science Assessment for Particulate Matter (PDF) (6.62 MB, May 2022, EPA/600/R-22/028)

Integrated Science Assessment (ISA) for Particulate Matter (Final Report). U.S. Environmental Protection Agency, Washington, DC, EPA/600/R-19/188, 2019. 

2022

2019

Nitrogen Oxides, Sulfur Oxides, Particulate MatterIntegrated Science Assessment (ISA) for Oxides of Nitrogen, Oxides of Sulfur and Particulate Matter Ecological Criteria (Final Report). U.S. Environmental Protection Agency, Washington, DC, EPA/600/R-20/278, 2020. 2020
OzoneIntegrated Science Assessment (ISA) for Ozone and Related Photochemical Oxidants (Final Report). U.S. Environmental Protection Agency, Washington, DC, EPA/600/R-20/012, 2020. 2020
Sulfur OxidesIntegrated Science Assessment (ISA) for Sulfur Oxides – Health Criteria (Final Report). U.S. Environmental Protection Agency, Washington, DC, EPA/600/R-17/451, 2017.2017
Nitrogen OxidesIntegrated Science Assessment (ISA) for Oxides of Nitrogen – Health Criteria (Final Report). U.S. Environmental Protection Agency, Washington, DC, EPA/600/R-15/068, 2016.2016
LeadIntegrated Science Assessment (ISA) for Lead (Final Report). U.S. Environmental Protection Agency, Washington, DC, EPA/600/R-23/375, 2024.  2024
Carbon MonoxideIntegrated Science Assessment (ISA) for Carbon Monoxide (Final Report). U.S. Environmental Protection Agency, Washington, DC, EPA/600/R-09/019F, 2010.2010

Related Publications:

  • Preamble to the Integrated Science Assessments

Integrated Science Assessments

  • Learn about ISAs
    • ISA Final Reports
    • ISA preamble
  • Carbon Monoxide
  • Lead
  • Particulate Matter
  • Ozone
  • Nitrogen Oxides
  • Sulfur Oxides
  • Ecological Criteria Assessment
Contact Us About Integrated Science Assessments
Contact Us About Integrated Science Assessments to ask a question, provide feedback, or report a problem.
Last updated on July 16, 2026
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