Collections and Lists
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Science Topics
EPA is one of the world’s leading environmental and human health research organizations. Science provides the foundation for Agency policies, actions, and decisions made on behalf of the American people.
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SO2 NAAQS Implementation Training and Assistance for State and Local Air Agencies
Presentations and training help air agencies understand the National Ambient Air Quality Standards (NAAQS) for sulfur dioxide, how to engage the public in local emissions reduction programs, successful state implementation plan (SIP) development, and more.
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New England Air Quality Programs
Learn more about New England Air Quality Programs.
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Massachusetts NPDES Permits
NPDES Permits for Massachusetts
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Soak Up the Rain: Green Roofs
Learn about green roofs and how they are being used to reduce runoff while reducing building noise and energy usage.
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Past Members of the Acute Exposure Guideline Levels (AEGL) Committee (1996-2011)
Lists the NAC FACA committee members that contributed to the development of AEGLs
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CAA Permitting in Your Region
Map and text selections for air permitting detail in EPA's regions.
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Nitrogen Dioxide Designations - Kentucky State Recommendations and EPA Response
2010 Nitrogen dioxide (NO2) standards. Kentucky state recommendations and EPA response.
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EPA Participatory Science Across the U.S.
This page provides a short overview of the citizen science activities happening across EPA's regions and offers links to more resources.
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JEMEZ VALLEY PUBLIC SCHOOLS - DRAFT NPDES PERMIT NO. NM0028479
Jemez valley public schools, draft npdes permit no
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2019 Aquarius Recognition Program
Aquarius Recognition of states
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Arkansas NPDES Permits
NPDES water permits issued in Arkansas.
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Regulations and Guidance
Landing page for categories of stationary source regulations
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Integrated Pest Management Tools: Resources to Support IPM Implementation
There are various sources of documents to use in your school IPM program. The examples provided on this page comprise a basic set of information to start out with.
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Clean Air Act Permitting in Hawai'i and Pacific Islands
Information on EPA Pacific Southwest (Region 9) oversight of Clean Air Act (CAA) permitting in Hawai'i and the Pacific Islands.
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Assay Information
Assay information for Endocrine Disruption
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TSCA Inventory Policy and Guidance
A list of numerous policy statements and guidance documents on how to identify certain chemical substances for the purpose of assigning unique and unambiguous descriptions tor each substance listed on the Inventory.
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Master List of Test Guidelines for Pesticides and Toxic Substances
This is a comprehensive list of OCSPP test guidelines and includes docket, date, and other information about the guidelines.
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Reports of Previous Fiscal Year Registration Decisions
EPA is responsible for registering or licensing pesticides for use in the United States. These documents list decisions made by the pesticide program for conventional pesticides in each fiscal year.