Science & Technology
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2011 NATA: Technical Support Document
A technical overview of methods used for EPA's 2011 National Air Toxics Assessment (NATA)
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RadNet Air Filter Analysis Results From Orono, ME
This page presents radiation air filter analysis data for Orono, ME from EPA's RadNet system. RadNet is a nationwide network of monitoring stations that measure radiation in air, drinking water and precipitation.
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RadNet Air Filter Analysis Results From Shreveport, LA
This page presents radiation air filter analysis data for Shreveport, LA from EPA's RadNet system. RadNet is a nationwide network of monitoring stations that measure radiation in air, drinking water and precipitation.
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RadNet Air Filter Analysis Results From Baton Rouge, LA
This page presents radiation air filter analysis data for Baton Rouge, LA from EPA's RadNet system. RadNet is a nationwide network of monitoring stations that measure radiation in air, drinking water and precipitation.
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RadNet Air Filter Analysis Results From Paducah, KY
This page presents radiation air filter analysis data for Paducah, KY from EPA's RadNet system. RadNet is a nationwide network of monitoring stations that measure radiation in air, drinking water and precipitation.
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Certification for Portable Fuel Containers
Steps for certifying portable fuel containers with EPA.
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EPA Announces $2.4 Million in Grants to Assess and Cleanup Communities in North Carolina
Washington – Today, U.S. Environmental Protection Agency (EPA) announced the awarding of $2.4 million in Brownfields Multipurpose, Assessment and Cleanup (MAC) grants to accelerate the cleanup of polluted sites across North Carolina.
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Tools & Resources
Trash free waters publications, media, and reports
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RadNet Air Filter Analysis Results From Corvallis, OR
This page presents radiation air filter analysis data for Corvallis, OR from EPA's RadNet system. RadNet is a nationwide network of monitoring stations that measure radiation in air, drinking water and precipitation.
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EPA Announces $11.5 Million in Brownfields Grants to Revitalize Communities in Kentucky
Today, U.S. Environmental Protection Agency (EPA) announced $10 million in Brownfields Multipurpose, Assessment and Cleanup (MAC) grants to accelerate the cleanup of polluted sites across Kentucky.
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RadNet Air Filter Analysis Results From Portland, OR
This page presents radiation air filter analysis data for Portland, OR from EPA's RadNet system. RadNet is a nationwide network of monitoring stations that measure radiation in air, drinking water and precipitation.
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RadNet Air Filter Analysis Results From Bloomsburg, PA
This page presents radiation air filter analysis data for Bloomsburg, PA from EPA's RadNet system. RadNet is a nationwide network of monitoring stations that measure radiation in air, drinking water and precipitation.
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EPA Science Models and Research Tools (SMaRT) Search
EPA Science Models and Research Tools (SMaRT) Search searches ORD's methods, models, and tools database.
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RadNet Air Filter Analysis Results From Philadelphia, PA
This page presents radiation air filter analysis data for Philadelphia, PA from EPA's RadNet system. RadNet is a nationwide network of monitoring stations that measure radiation in air, drinking water and precipitation.
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RadNet Air Filter Analysis Results From Pittsburgh, PA
This page presents radiation air filter analysis data for Pittsburgh, PA from EPA's RadNet system. RadNet is a nationwide network of monitoring stations that measure radiation in air, drinking water and precipitation.
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RadNet Air Filter Analysis Results From San Juan, PR
This page presents radiation air filter analysis data for San Juan, PR from EPA's RadNet system. RadNet is a nationwide network of monitoring stations that measure radiation in air, drinking water and precipitation.
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Envirofacts
This EPA website provides access to several EPA databases to provide information about environmental activities that may affect air, water, and land anywhere in the United States.
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Exceptional Events Documents SO2 - Kona, HI
PDF documents associated with SO2 exceptional events for Kona, HI.
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Do all AQI plots use the most current AQI breakpoints - regardless of which year you request?
Yes, every AQI summary from AirData is based on the current AQI breakpoints, regardless of year. See 40 CFR Part 58 Appendix G and the AQI Technical Assistance Document for details. Return to Frequent Questions about AirData
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How is the AQI calculated?
Refer to the AQI Technical Assistance Document for equations on how to calculate the AQI from pollutant concentration. Return to Frequent Questions about AirData