Learn the Issues
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The Clean Water Act "Impaired Waters Restoration Pipeline"
The factsheet describes how impaired waters pass through five main stages as they are listed, acted upon, and restored under the Clean Water Act.
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TMDLs at Work: Eagleville Brook Watershed
The documents detail the Eagleville Brook Watershed TMDL at work.
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TMDLs at Work: Long Island Sound
The documents detail the Long Island Sound TMDL at work.
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Technical Information Document 020 - Collection of Monographs and Papers Vol I
Technical Information Document 020 - Collection of Monographs and Papers Vol I
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Technical Information Document 024 - Memo on Rounding and Significant Figures
Technical Information Document 024 - Memo on Rounding and Significant Figures
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Technical Information Document 010 - Quadruplicate (Quad Train) Sampling Probe Arrangement
Technical Information Document 010 - Quadruplicate (Quad Train) Sampling Probe Arrangement
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Technical Information Document 016 - Glassware Cleaning for Method 23
Technical Information Document 016 - Glassware Cleaning for Method 23
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Technical Information Document 021 - Collection of Monographs and Papers Vol II
Technical Information Document 021 - Collection of Monographs and Papers Vol II
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Method 5I - Determination of Low Level Particulate Matter Emissions
CFR Promulgated Test Method 5I Determination of Low Level Particulate Matter Emissions (Particulate Matter)
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Method 325B - Volatile Organic Compounds from Fugitive and Area Sources: Sampler Preparation and Analysis
Promulgated CFR Test Method 325B Volatile Organic Compounds from Fugitive and Area Sources: Sampler Preparation and Analysis.
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Method 5F - Particulate Matter Fluid Catalytic Cracking Unit
CFR Promulgated Test Method 5F PM Fluid Catalytic Cracking Unit (Particulate Matter)
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Method 7D - Nitrogen Oxide - Ion Chromatography
CFR Promulgated Test Method 7D Determination of nitrogen oxide emissions from stationary sources - Alkaline-permanganate/ion chromatographic method
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Technical Information Document 013 - Summary of Method 204 Package Comments
Technical Information Document 013 - Summary of Method 204 Package Comments
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Technical Information Document 014 - Evaluation of Sampling Method for Acetonitrile Emissions
Technical Information Document 014 - Evaluation of Sampling Method for Acetonitrile Emissions
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Method 7B - Nitrogen Oxide - Ultraviolet Spectrophotometry
CFR Promulgated Test Method 7B Determination of Nitrogen Oxide Emissions From Stationary Sources (Ultraviolet Spectrophotometric Method)
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Method 28 WHH for Measurement of Particulate Emissions and Heating Efficiency of Wood-Fired Hydronic Heating Appliances
This test method applies to wood-fired hydronic heating appliances
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Method 3B - Oxygen and Carbon Dioxide Concentrations - Orsat Analyzer
CFR Promulgated Test Method 3B Oxygen and Carbon Dioxide Concentrations using an Orsat Analyzer.
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Table 2. Gradation of Individual Responses to Short-Term Ozone Exposure in People with Lung Disease
Table 2. Gradation of Individual Responses to Short-Term Ozone Exposure in People with Lung Disease
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Table 1: Gradation of Individual Responses to Short-Term Ozone Exposure in Healthy People
Table 1: Gradation of Individual Responses to Short-Term Ozone Exposure in Healthy People
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Water Quality Restoration and Protection in the U.S.
Water quality restoration and protection in the United States is based on assessing waters and taking actions to restore or protect them.