Learn the Issues
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National Rivers & Streams Assessment 2013/14 Field Operations Manual Wadeable
The Field Operations Manual for the NRSA 2013/14 Wadeable
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National Rivers & Streams Assessment 2013/14 Field Operations Manual Non-Wadeable
The Field Operations Manual for the NRSA 2013/14 Non-Wadeable
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National Coastal Condition Assessment 2010 Great Lakes Technical Memorandum
PDF of the NCCA 2010 Great Lakes Technical Memorandum
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National Lakes Assessment Design Documents
Design documents for the National Lakes Assessment
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Regional Highlight - Mercury in Fish Tissue in the Pacific Northwest
NLA 2012 Highlight - Mercury in fish tissue in three Pacific Northwestern states
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The Standardized Monitoring Framework: A Quick Reference Guide
A quick reference guide to understanding the Standardized Monitoring Framework.
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EPA Updates Maps to Protect Endangered Species and Provide Flexibility to Farmers
OPP update: EPA Updates Maps to Protect Endangered Species and Provide Flexibility to Farmers
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EPA Announces Proposed Registration of Pesticide Trifludimoxazin
Announcing Proposed Registration of Pesticide Trifludimoxazin
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EPA Announces Proposed Registration of Pesticide Diflufenican
Announcing release for public comment of EPA's proposed registration decision for two products containing the new active ingredient diflufenican.
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EPA Proposes to Register New Pesticide for Varroa Mite Control
EPA is announcing it has proposed to register one technical and two end use products containing Vadescana for control against Varroa mites to provide beekeepers with tools to combat this pest.
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Role of Plants in Water Filtration
Exercise for children grade level 4-7 to help them understand the role of plants in filtering the water moving through a watershed.
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Emergency Disinfection of Drinking Water
How to boil and disinfect water to kill most disease-causing microorganisms during emergency situations where regular water service has been interrupted and local authorities recommend using only bottled water, boiled water, or disinfected water.
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Region 4 FOIA Repository
Frequently requested FOIA related documentation from region 4.
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RadTown Radiation Exposure Activity 4: Exposure Pathways
Radioactive material, or radionuclides, travel in different ways. This activity asks students to create webs or chains that describe the ways in which we may interact with radiation through the world around us.
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RadTown Radiation Exposure: Vocabulary Activities
Learn more about radon with your students! This page provides background information for teachers and parents. Each RadTown activity for the classroom is Common Core State Standard (CCSS) and Next Generation Science Standard (NGSS) aligned.
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RadTown Classroom Materials: The Radioactive Atom
The RadTown Radioactive Atom activities are designed to help students identify the structure of an atom and describe the structural changes that occur in unstable (radioactive) atoms as they decay.
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National Grants: Past Program Documents
This is a landing page for past National DERA RFPs and their supporting documents
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RadTown Radioactive Atom Activity 5: Half-Life
When a radioactive atom decays, it becomes a different element. The amount of time that it takes one half of the atoms present to decay is called “half-life.” Help your students understand half-life with this free classroom activity.
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Basic Information about Carbon Monoxide (CO) Outdoor Air Pollution
Carbon Monoxide is a gas mainly emitted by vehicles or machinery that burn fossil fuels. It is one of the six air pollutants controlled by EPA's National Ambient Air Quality Standards (NAAQS).
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West Coast Collaborative Partner Meetings
The Collaborative conducts public workshops periodically. These workshops are open to anyone that wishes to participate.