Learn the Issues
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Method 4 - Moisture Content
CFR Promulgated Test Method 4 Determination of Moisture Content in Stack Gases.
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Method 26A - Hydrogen Halide and Halogen - Isokinetic Method
CFR Promulgated Test Method 26A Hydrogen Halide and Halogen - Isokinetic Method
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Method 26 - Hydrogen Chloride, Halides, Halogens
CFR Promulgated Test Method 26 - Determination of Hydrogen Chloride Emissions From Stationary Sources
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Procedure 6 – Quality Assurance Requirements for Gaseous Hydrogen Chloride (HCl) Continuous Emission Monitoring Systems Used for Compliance Determination at Stationary Sources
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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Resources for Refrigerant Choices
Information about the phaseout of ozone-depleting substances for homeowners and consumers.
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Procedure 3 Quality Assurance Requirements for Continuous Opacity Monitoring Systems at Stationary Sources
Promulgated quality assurance Procedure 3 Quality Assurance Requirements for Continuous Opacity Monitoring Systems at Stationary Sources
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Performance Specification 1 for Opacity
Performance Specification 1 Specifications and test procedures for continuous opacity monitoring systems in stationary sources.
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Performance Specification 18 for Gaseous Hydrogen Chloride
Promulgated Performance Specification 18 – Specifications and Test Procedures for Gaseous Hydrogen Chloride Continuous Emission Monitoring Systems at Stationary Sources.
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Phaseout of ODS Under the Clean Air Act
Basic information about the phaseout of ozone-depleting substances.
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Chemical Manufacturers, Importers, and Exporters: Frequent Questions
Chemical manufacturers, importers, and exporters are required to operate within a system of allowances. This information will help those in the chemical industry understand their role in the phaseout of HCFCs in the United States.
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Purchasing and Repairing Home Air-Conditioners or Heat Pumps
Fact sheet provides information on the phaseout of HCFC-22 and its implications for purchasing a new air conditioning system or heat pump, or repairing an existing system.
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Exemptions to the Phaseout of Ozone-Depleting Substances
Information on the exemptions to the phaseout of the production and import of ozone-depleting substances (ODS) under the Clean Air Act
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Information Related to Production, Destruction, Import, and Export of Ozone-Depleting Substances
Information related to the production, destruction, import, and export of ozone-depleting substances (ODS).
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Commercial Refrigeration and Air Conditioning Equipment: Frequently Asked Questions
Frequently asked questions about the implications of the HCFC phaseout for refrigerated equipment produced before 2010.
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EPA at Work in Chicago, IL
Snapshot of activities EPA is currently working on in Chicago, Illinois
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Lake Erie Water Quality Data
EPA and ECCC annually track changes in phosphorus loads to Lake Erie, as well as the in-lake response of harmful algal blooms (HABs) and hypoxia.
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Consent Decree: Savoia, Inc.
This is the consent decree for Savoia, Inc.
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Complaint: Savoia, Inc.
This is the complaint for Savoia, Inc.
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Daimler AG and Mercedes-Benz USA, LLC Clean Air Act Civil Settlement
Information about the Fiat Chrysler Automobiles Clean Air Act Civil Settlement
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The City of Rockford, Illinois Clean Water Act Settlement
This is the Clean Water Act Settlement for ATP Infrastructure Partners, LP