Collections and Lists

Coushatta Tribe of Louisiana - Draft NPDES Permit No. LA0127737

Frequently Asked Questions about the Federal Technology Transfer Act Program

Read about successful Federal Technology Transfer Act (FTTA) partnerships and questions relate to CRADAs, MTAs, NDAs, MCRADAs, and Patents.

Natural Ocean Well Co. -NPDES Permit No. GM0000008

Natural Ocean Well Co. - NPDES Permit No. GM0000008

Rocky Mountain Arsenal Spotlight

Gallery for the Rocky Mountain Arsenal Site Spotlight

Navajo Workforce Development

The 2025 Lukachukai Mountains Mining District Superfund Job Training Initiative is an environmental remediation job readiness program that provided career development opportunities for 24 trainees living near the Lukachukai Mountains Mining District Superf

Diving Publications

Published articles and presentations on underwater science and polluted water diving at EPA.

EPA's Decentralized Wastewater Partnership

EPA and 18 partner organizations are joined by an MOU to work collaboratively at the national level to improve decentralized performance and protect the nation's public health and water resources.

Green Infrastructure in the Semi-Arid West

This page contains examples of green infrastructure and low-impact development within the Region 8 states.

Tucson International Airport Area Site; Emergency Administrative Order for Response Action (PWS-AO-2024-10)

Emergency Administrative Order for Response Action Pursuant to SDWA § 1431; Tucson International Airport Superfund Site. U.S. EPA Docket No. PWS-AO-2024-010.

July 1, 2004, Transportation Conformity Final Rule

This page provides access to the July 1, 2004, conformity final rule that addresses the new ozone and PM2.5 air quality standards and the March 2, 1999, conformity court decision.

March 10, 2006, Transportation Conformity Rule That Addresses Requirements for Project-level Conformity Determinations in PM2.5 and PM10 Nonattainment and Maintenance Areas

This final rule, published March 10, 2006, establishes requirements for project-level conformity determinations in particulate matter (PM) 2.5 nonattainment and maintenance areas, and revises existing requirements for projects in PM10 areas.

List of Partially Exempt Chemicals under Chemical Data Reporting

A list of partially exempt chemicals for which the CDR processing and use information is of "low current interest" at 40 CFR 711.6(b)(2)(iv).

Got Pests? Control Them Safely

Information about certain pests and how you can best deal with their problems and control them safely.

Lee Ranch Coal Mine - NPDES Permit No. NM0029581

Science Matters Articles related to Sustainability Research

Find published Science Matters articles about the EPA's sustainability and green practices research.

Compositions of Refrigerant Blends

This page contains a table showing percentage composition of HCFCs, HFCs, and HCs in refrigerant blends.

Environmental, Health, and Flammability Info on Substitutes for HCFC-22 and 142b foam

Environmental, Health, and Flammability Info on Substitutes for HCFC-22 and 142b

Smoke-Ready Toolbox for Wildfires

Resources and tools for wildfires that provide information on health impacts from smoke exposure, current fire conditions and forecasts and strategies to reduce exposure to smoke.

Clean Air Act Title VI - Stratospheric Ozone Protection

This page has links to Clean Air Act sections relating to protecting the ozone layer through phasing out of class I and II substances and other requirements.

Clean Air Act Title IV - Subchapter A: Acid Deposition Control

This page has links to Clean Air Act section that covers acid deposition control in subchapter IV-A.