Laws & Regulations
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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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EMC Promulgated Test Methods
EMC Reference Methods
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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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Announcement: Municipality of Ponce Consent Decree
The United States Department of Justice (DOJ) has reached a proposed settlement with the Municipality of Ponce to resolve Clean Water Act (CWA) violations associated with the municipality’s separate storm sewer systems (MS4) and stormwater
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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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Nitrogen Dioxide (NO2 Primary) Air Quality Standards - Documents from Review Completed in 2018
NO2 Primary Documents from Review Completed in 2010
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Study on the Impacts of Compliance with the ECA Fuel Sulfur Limits on U.S. Coastal Shipping
The Environmental Protection Agency (EPA) hold a public workshop to engage individuals and companies in the development of a study of the impacts on that sector of the North American Emission Control Area fuel sulfur limits for ships.
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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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Biomass Tracking for Renewable Fuel Standard Program
Parties can petition EPA for review and approval of alternative biomass tracking for compliance purposes.
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Lumped Parameter Model (LPM) for Light-Duty Vehicles
EPA’s Lumped Parameter Model (LPM) is a free, desktop computer application that estimates the effectiveness (CO2 Reduction) of various technology combinations or “packages,” in a manner that accounts for synergies between technologies.
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Proposed Consent Decree to Complete the Anti-backsliding Study for Renewable Fuel Volumes
EPA has announced a proposed consent decree that would require EPA to complete the “anti-backsliding study” for Renewable Fuel Volumes
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Federal Agency Hazardous Waste Compliance Docket
The Federal Agency Hazardous Waste Compliance Docket contains information reported to EPA by federal facilities that manage hazardous waste or from which hazardous substances, pollutants, or contaminants have been - or may be - released.
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Proposed Rule and Related Materials for Control of Emissions of Air Pollution From Nonroad Diesel Engines Control of Air Pollution From Aircraft and Aircraft Engines; Proposed Emission Standards and Test Procedures
EPA is proposing to adopt emission standards and related provisions for aircraft gas turbine engines with rated thrusts greater than 26.7 kilonewtons. These engines are used primarily on commercial passenger and freight aircraft.
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Proposed Rule and Related Materials for Revised Carbon Monoxide (CO) Standard for Class I and II Nonhandheld New Nonroad Phase 1 Small Spark-Ignition Engines
Information for the proposed rule and related materials for Revised Carbon Monoxide (CO) Standard for Class I and II Nonhandheld New Nonroad Phase 1 Small Spark-Ignition Engines.
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Notice of Proposed Rulemaking for Grain Sorghum Oil Pathways
Periodic Reviews of the Renewable Fuel Standard Program
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EPA Approved Statutes and Regulations in the North Carolina SIP
EPA Approved Statutes and Regulations in the North Carolina SIP as of 9/1/22
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Notice of Willingness to Participate in Funding Opportunities of Other Federal Agencies
OTAQ’s Participation Policy allowing researchers to collaborate with other federal and non-federal non-profit institutions; background, responsibilities, approval process, ethical and procedural guidelines are included. (EPA publication # EPA-420-F-20-011)
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Proposed Rule for Fuel Economy Regulations for Automobiles: Technical Amendments and Corrections
Proposed amendments and corrections to 40 CFR Parts 86 and 600. November 25, 2009.