Learn the Issues

Radiological Emergency Response

This page describes the activities of EPA's Radiological Emergency Response Team (RERT) and provides links to information about radiological emergency response.

Radiation Protection Document Library

Search and download reports, fact sheets, correspondence and other documents related to Radiation Protection at EPA.

Carbon Monoxide NAAQS Review - Analyses and Data Sets

Analyses and data sets for CO NAAQS Review

Air Emissions Monitoring for Permits

Operating permits document how air pollution sources will demonstrate compliance with emission limits and also how air pollution sources will monitor, either periodically or continuously, their compliance with emission limits and all other requirements.

Lead NAAQS Review - Analyses and Data Sets

Analyses and data sets for the Lead NAAQS review

Electronic Reporting Process for Stationary Sources Presentations and Webinars

This page has links to training videos, powerpoint presentations and webinars supporting the Electronic Reporting Process for stationary sources, using the ERT, CEDRI and WebFIRE.

Sulfur Dioxide NAAQS Review - Analyses and Data Sets

Analyses and data sets for Sulfur Dioxide NAAQS review

Ozone NAAQS Review - Analyses and Data Sets

Analyses and data sets for the Ozone NAAQS review

AP-42 Chapter 11: Mineral Products - Frequent Questions

AP 42 Frequent Questions

Particulate Matter NAAQS Review - Analyses and Data Sets

Analyses and data sets for the Particulate Matter NAAQS review

Final Revisions to AP-42 Chapter 7, Section 7.1 - Organic Liquid Storage Tanks

Final Revisions to Chapter 7, Section 7.1

Emissions Estimation Protocol for Petroleum Refineries

Emission Estimation Protocol for Petroleum Refineries

New and Revised Emissions Factors for Flares and New Emissions Factors for Certain Refinery Process Units and Determination for No Changes to VOC Emissions Factors for Tanks and Wastewater Treatment Systems

New and Revised Emission Factors for Flares and New Emission Factors for Certain Refinery Process Units and Determination for No Changes to VOC Emission Factors for Tanks and Wastewater Treatment Systems

New Emissions Factors for Enclosed Ground Flares

SERC-TERC Update: September 2023

SERC-TERC Updates: September 2023

Radionuclide Basics: Americium-241

Americium (chemical symbol Am) is a man-made radioactive metal that is solid under normal conditions. Exposure to a significant amount of Am-241 is generally unlikely. Small amounts are found in the soil, plants and water from nuclear weapons testing.

EPA Collaboration with Israel

The United States and Israel focus on scientific and technical collaboration to protect the environment, by exchanging scientific and technical information, arranging visits of scientific personnel, cooperating in scientific symposia and workshops, etc.