Learn the Issues

Radiation Basics

Radiation can come from unstable atoms or it can be produced by machines. There are two kinds of radiation; ionizing and non-ionizing radiation. Learn about alpha, beta, gamma and x-ray radiation.

East Palestine, Ohio Train Derailment

EPA is committed to protecting the health and safety of the East Palestine, Ohio community. EPA personnel have been on site since the onset of the train derailment, supporting local and state partners as they lead on-the-ground response efforts.

Celebrating 10 Years of Tribe’s Cleanup Partnership at Tar Creek Superfund Site

October 2023 marked 10 years since the Quapaw Nation took over cleanup efforts at the culturally and historically important Catholic 40 site, making the Tribe the first in the nation to lead remedial operations at a property on a Superfund site.

Resources for Educators

Find resources shared by EPA staff at NAAEE’s 51st Annual Conference October 12 - 15, 2022 in Tucson, AZ.

EPA's Leadership under the Federal Action Plan to Reduce Childhood Lead Exposure

The Federal Action Plan to Reduce Childhood Lead Exposures and Associated Health Impacts is a blueprint for reducing lead exposure through collaboration among federal agencies and with a range of stakeholders.

Fiat Chrysler Automobile Diesel Vehicle Violations

Vehicle violations by Fiat Chrysler Automobiles to the Clean Air Act (CAA).

Clean Water Resources for Tribes in Region 10

EPA resources for managing water-related environmental issues on tribal lands in Alaska, Idaho, Oregon, and Washington.

Webinar Recordings

This webpage provides recordings of past webinars and other supporting materials. Recordings are hosted through the EPA's YouTube channel.

Section 608 Technician Certification

Overview page with information about certification of technicians who maintain, service, repair, or dispose of equipment that could release ozone depleting refrigerants or, after January 1, 2018, substitute refrigerants into the atmosphere.

六個安全和有效使用消毒劑的步驟

Traditional Chinese translation of infographic on six steps for proper use of disinfectants

六個安全和有效使用消毒劑的步驟

Simplified Chinese translation of infographic of six steps for proper use of disinfectants

Seis passos para o uso seguro e eficaz de desinfetantes

Portuguese translation infographic on disinfectants

Anim na Hakbang para sa Ligtas at Mabisang Paggamit ng Disinfectant

Tagalog translation infographic

Sis Etap pou Itilize Dezenfektan San Danje epi Yon Fason Efikas

Haitian Creole translation of Disinfectants infographic

안전하고 효율적인 소독제 사용을 위한 6가지 단계

Korean translation disinfectants infographic

Sáu bước để sử dụng thuốc khử trùng an toàn & hiệu quả

Vietnamese translation infographic on disinfectants

Шесть этапов безопасного и эффективного использования обеззараживающих средств

Russian translation of disinfectants infographic

Engaging Tribal communities on the Bristol Bay Assessment

EPA's engagement with Tribal governments as part of its Bristol Bay Assessment.

Public involvement for the 2014 Bristol Bay 404c process

Public involvement activities associated with EPA's 2014 Proposed Determination to protect Bristol Bay watershed.

Frequent questions about the Bristol Bay Clean Water Act 404c process

Frequently asked questions about EPA's Bristol Bay Clean Water Act 404(c) Process.