Science & Technology
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Progress Cleaning the Air and Improving People's Health
Actions to implement the Clean Air Act have achieved dramatic reductions in air pollution, preventing hundreds of thousands of cases of serious health effects each year.
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Power Plants and Neighboring Communities
Presents environmental justice information using the eGRID and CAMD power sectors data sets along with the demographics from EJSCREEN.
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Radiation Protection Document Library
Search and download reports, fact sheets, correspondence and other documents related to Radiation Protection at EPA.
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Carbon Monoxide NAAQS Review - Analyses and Data Sets
Analyses and data sets for CO NAAQS Review
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Lead NAAQS Review - Analyses and Data Sets
Analyses and data sets for the Lead NAAQS review
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Sulfur Dioxide NAAQS Review - Analyses and Data Sets
Analyses and data sets for Sulfur Dioxide NAAQS review
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Ozone NAAQS Review - Analyses and Data Sets
Analyses and data sets for the Ozone NAAQS review
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Particulate Matter NAAQS Review - Analyses and Data Sets
Analyses and data sets for the Particulate Matter NAAQS review
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Download the MARSSIM Manual and Resources
Download and view the Multi-Agency Radiation Survey and Site Investigation Manual (MARSSIM) and other supporting documents.
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Air Quality - Cities and Counties
City and County tables of air quality data - status and trends.
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Trends in Ozone Adjusted for Weather Conditions
Describes met-adjustments to ambient ozone trends.
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CAMEO Training and Events
Read about upcoming CAMEO training opportunities.
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Ozone Trends
National and regional trends in ambient ozone concentrations.
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Lead Trends
National and regional trends in lead concentrations.
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Particulate Matter (PM10) Trends
National and regional trends in ambient PM10 and PM2.5 concentrations.
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Nitrogen Dioxide Trends
National and regional trends in ambient NO2.
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Particulate Matter (PM2.5) Trends
National and regional trends in ambient PM10 and PM2.5 concentrations.
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Sulfur Dioxide Trends
National and regional trends in ambient SO2 concentrations.
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Carbon Monoxide Trends
National and regional trends in carbon monoxide.
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Previous Air Quality Trends Reports
Link to archive of historical air quality trends reports