Laws & Regulations
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EMC Proposed Test Methods
EMC Approved Alternative Test Methods
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EMC Technical Information Documents
EMC Technical Information Documents explain the derivation of factors, equations, and procedures, and provide technical information.
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Method 3 - Molecular Weight
CFR Promulgated Test Method 3 - Gas Analysis for the Determination of Dry Molecular Weight.
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Performance Specification 11 for Particulate Matter
Specifications and Test Procedures for Particulate Matter Continuous Emission Monitoring Systems At Stationary Sources.
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Method 6C - Sulfur Dioxide - Instrumental Analyzer Procedure
CFR Promulgated Test Method 6C Determination of Sulfur Dioxide Emissions From Stationary Sources (Instrumental Analyzer Procedure)
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Managing Use and Reuse of HFCs and Substitutes
Managing HFC substitutes under the AIM Act
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EMC Technical Support
Emission Measurement Center Technical Support
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EMC Guideline Documents
EMC Guideline Documents
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Method 3A - Oxygen and Carbon Dioxide Concentrations - Instrumental
CFR Promulgated Test Method 3A - Determination of Oxygen and Carbon Dioxide Concentrations in Emissions From Stationary Sources (Instrumental Analyzer Procedure).
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Method 202 - Condensable Particulate Matter
Promulgated CFR Test Method 202 Dry Impinger Method for Determining Condensable Particulate Emissions From Stationary Sources
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Method 7E - Nitrogen Oxide - Instrumental Analyzer
CFR Promulgated Test Method 7E Determination of Nitrogen Oxides Emissions From Stationary Sources (Instrumental Analyzer Procedure)
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Broadly Applicable Approved Alternative Test Methods
EMC Approved Alternative Test Methods
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Method 2 - Velocity - S-type Pitot
Method 2 - Velocity - S-type Pitot
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Addition of Certain PFAS to the TRI by the National Defense Authorization Act
An explanation of how PFAS are added to the TRI chemical list via the 2020 National Defense Authorization Act.
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Notification: FY26 EPA FISMA Audit
Notification: FY26 EPA FISMA Audit
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Permit Programs for Coal Combustion Residual Disposal Units
this is the landing page for everything EPA is working on with respect to setting up state and Tribal permitting programs for the disposal of coal combustion residuals
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National Enforcement Investigations Center (NEIC)
Overview of the National Enforcement investigations Center, the environmental forensics center for EPA's enforcement programs.
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Guidance: Criminal Enforcement - Exercise of Investigative Discretion
This guidance establishes the principles that will guide the exercise of investigative discretion.
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Criminal Enforcement Alert: Lead Based Paint
Criminal Enforcement Alert - Lead Based Paint Enforcement Alert
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Criminal Provisions of the Resource Conservation and Recovery Act (RCRA)
Describes the criminal provisions of RCRA