Learn the Issues
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Sources of Natural Radiation at the Park
Learn more about background, or natural, radiation that comes from outer space and Earth’s crust. Visit RadTown, the Environmental Protection Agency’s radiation education website to learn more about radiation in the world around us.
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Sources of Radiation Used in Power Generation
Learn more about power generation methods that produce or use radioactive or nuclear material. Visit RadTown, the Environmental Protection Agency’s radiation education website to learn more about radiation in the world around us.
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Radiation Sources in Schools
Learn about how radioactive material or radiation may be used in schools. Visit RadTown, the Environmental Protection Agency’s radiation education website to learn more about radiation in the world around us.
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Use of Radiation in Military Activities
Learn more about the ways that the military uses nuclear material. Visit RadTown, the Environmental Protection Agency’s radiation education website to learn more about radiation in the world around us.
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Radiation Sources in a House
Learn more about where you might use radiation in your home, like in ionization smoke detectors. Visit RadTown, the Environmental Protection Agency’s radiation education website to learn more about radiation in the world around us.
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Radiation and Medical X-rays
A medical x-ray produces an image that can help find injuries—like broken bones—in the body. Different imaging procedures use different amounts of radiation. For the average American, medical x-rays are their largest source of man-made radiation exposure
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RadTown Radiation Exposure: Teacher Information
Radiation is energy that travels in the form of waves and makes up the electromagnetic spectrum. The electromagnetic spectrum is divided into two major categories: ionizing radiation and non-ionizing radiation.
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CWA-309(a)-19-007: Guam Industrial Services Inc. dba “Guam Shipyard”
Consent Agreement and [Proposed] Final Order (Proposed CA/FO) between EPA Region 9 and Guam Industrial Services Inc. to resolve a civil administrative penalty proceeding under Section 309(a)(3) of the Clean Water Act. Docket No. CWA-309(a)-19-007.
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The WaterSense Current: Spring 2021
The WaterSense Current is a quarterly update dedicated to news and events related to WaterSense.
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CWA-309-2019-0002/RCRA-09-2019-0043: American Samoa Shipyard Services Authority and Territory of American Samoa
Clean Water Act Administrative Order on Consent (CWA-309-2019-0002) and Resource Conservation and Recovery Act Administrative Order on Consent (RCRA-09-2019-0043) issued to the American Samoa Shipyard Services Authority and Territory of American Samoa.
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Frequent Questions: Radiation Protection
View questions and answers related to radiation protection.
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Climate Change Legislative Analyses
Analyses requested by Congress. These include analyses of legislative proposals, strategies to reduce the risk of climate change, and economic issues related to climate change.
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Communicating the Connection Between Climate Change and Heat Health
This page includes presentation and transcript PDFs and mp3s from EPA's August 19, 2015 webcast, "Communicating the Connection Between Climate Change and Heat Health".
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Interim Guidance for the Evaluation of Products for Claims Against Viruses
These policies and guidance resources are intended to assist companies that want to register an antimicrobial pesticide.
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EPA Accomplishments Report on Community-driven Environmental Solutions in American Samoa
EPA decided to focus its work in American Samoa on accessing safe drinking water and mitigating the effects of climate change. These accomplishments and more are expanded on throughout the report.
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Pacific Southwest Lead-Based Paint Tips & Complaints
Information about submitting a complaint about improper removal or storage of lead-based paint in renovations or repairs, as well as disclosure of lead-based paint in real estate transactions in AZ, CA, NV, HI, and Pacific Island Territories.
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Investigación del sitio de Central Metal: Preguntas Frecuentes (FAQs)
Preguntas frecuentes (FAQ) sobre la investigación del sitio central de metal en Huntington Park, CA.
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Anaconda Copper Mine Site: National Priorities List Deferral Agreement
Anaconda Copper Mine, National Priorities List Deferral Agreement, signed by EPA Administrator Scott Pruitt and Nevada Governor Brian Sandoval on February 5, 2018.
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$1.5 Million for East Bay Cities to Redevelop Properties
EPA announced $1.5 million in grants to the East Bay Community Energy (EBCE) and the Cities of Richmond and Vallejo to identify and prepare formerly contaminated properties, also known as “brownfields,” for redevelopment.
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July–September 2025 Newsletter
Check out our newsletter for stories on our new leadership, responding to a battery fire, and cleaning up abandoned uranium mines.