Science & Technology
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Particulate Matter (PM) Standards - Federal Register Notices from Current Review
Federal Register notices used to review and develop new particulate matter national ambient air quality standards.
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Notification: Audit of Infrastructure Investment and Jobs Act-Funded Emerging Contaminants in Small or Disadvantaged Communities Grant Recipient, State of Wisconsin
Notification: Audit of Infrastructure Investment and Jobs Act-Funded Emerging Contaminants in Small or Disadvantaged Communities Grant Recipient, State of Wisconsin
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MAR013
Martin County (MAR013) CASTNET site location,
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Risk-Screening Environmental Indicators (RSEI) Methodology Version 2.3.8
the document for Risk-Screening Environmental Indicators (RSEI) Methodology Version 2.3.8, December 2019
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Podcast: EPA OIG’s IIJA Oversight Plan
Podcast: EPA OIG’s IIJA Oversight Plan
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Region 8 Quality Management Plan
Region 8 Quality Management Plan effective 2020
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Peer Review of the Draft Risk Evaluation for Octamethylcyclotetrasiloxane (D4)
Information about the EPA's Peer Review of the risk evaluation for octamethylcyclotetrasiloxane (D4) under the Toxic Substances Control Act.
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Summary Table of Lifecycle Greenhouse Gas Emissions for Select Pathways
This document contains Livecycle Greenhouse Gas Emissions for Select Pathways.
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Clean Diesel Group LXF System
This page includes Letter from EPA to Clean Diesel Group LLC approves request for verification of CDG’s Low Oxides of Nitrogen Filter (LXF) System for highway application reducing emissions of certain criteria pollutants.
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Clean Diesel Group LNF System
This page includes Letter from EPA to Clean Diesel Group LLC approves request for verification of CDG’s Low Nitrogen Dioxide Filter (LNF) System for highway application reducing emissions of certain criteria pollutants.
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Instructions for Submitting Technology-Specific Information for Idling Reduction Technologies (IRTs) for Locomotives
This document contains instructions for submitting information in the Technology-Specific portion of the SmartWay Verification Process for IRTs for Locomotives.
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Draft Test Protocol for Idling Reduction Technologies (IRTs) for Trucks
This document contains test protocols for Truck IRTs as part of the SmartWay Verification Process.
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Background Documents on SmartWay Aerodynamics and Trailers
These documents provide information on SmartWay’s trailer and aerodynamic device program and how you can save fuel.
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Certification Template and Guidance Document for Electric Motorcycles
Template and guidance document for the certification process for electric motorcycles.
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Light-Duty: Family Naming Conventions
How to create Positions 5-12 of your Engine Family name for Light-Duty Durability Group.
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Radiation at Superfund Sites
Access information and guidance for EPA remedial project managers about the cleanup of radioactive contamination at Superfund sites.
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RadNet near-real-time air data
RadNet air monitoring results are now available on the RadNet Dashboard
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E15 Compatibility with UST Systems Statement
Review EPA's statement about the growth of fuel containing E15 and the compatibility of E15 with underground storage tank (UST) systems.
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Stationary Source Program Methods Format
Descriptions and formats for creating a method for the Office of Air Quality Planning and Standards Stationary Source Program.
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2016 Version 2 Technical Support Document
This TSD describes how the emission inventories were prepared for air quality modeling by the U.S. Environmental Protection Agency (EPA) for criteria air pollutants to represent the years of 2016, 2023 and 2028.