Learn the Issues
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Reports and Data - National Wetland Condition Assessment 2016
Products from the national lakes assessment 2017 including report, technical report, factsheet, data files, and data dashboard
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RadTown Radioactive Atom: Teacher Information
Atoms make up everything in the world around us. Some of them are radioactive, which means they emit energy in the form of ionizing radiation. Use these activities to help students learn more about atomic structure.
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National Wetland Condition Assessment 2011 Report
PDF of the NWCA 2011 final report
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Resources for Designing Water Quality Surveillance and Response Systems
Learn how to design a SRS for your water utility
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Water Quality Surveillance and Response
A Water Quality Surveillance and Response System (SRS) is a framework designed to enhance a drinking water utility’s capability to quickly detect and respond to water quality issues.
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Procedure 7 - Quality Assurance Requirements for Gaseous Ethylene Oxide (ETO) Continuous Emission Monitoring Systems Used for Compliance Determination
Promulgated quality assurance procedure 6 - Quality Assurance Requirements for Gaseous Hydrogen Chloride (HCl) Continuous Emission Monitoring Systems Used for Compliance Determination at Stationary Sources
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Performance Specification 19 - Performance Specifications and Test Procedures for Ethylene Oxide (ETO) Continuous Emission Monitoring Systems
Performance Specification 3 - Specifications and Test Procedures For O2 And CO2 Continuous Emission Monitoring Systems In Stationary Sources
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Method 327 Fugitive and Area Source Measurement of Selected Volatile Organic Hazardous Air Pollutants Using Specially Prepared Canisters
Determination of Isocyanates in Stationary Source Emissions
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Annual Compliance Reports for Drinking Water Systems in EPA Region 8
Annual compliance reports for violations of the National Primary Drinking Water Regulations (NPDWR) in Wyoming and EPA Region 8 Tribal Lands.
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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.