Learn the Issues
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GHGRP 2021: Fluorinated Greenhouse Gas Emissions and Supplies Reported to the GHGRP
Fluorinated Greenhouse Gas Emissions, including American Innovation and Manufacturing (AIM) Act of 2020 data for HFCs
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How's My Waterway Special Webcast Flyer
HMW Webcast Flyer
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Establishing Total Maximum Daily Load (TMDL) Wasteload Allocations (WLAs) for Storm Water Sources and NPDES Permit Requirements Based on Those WLAs
The memoranda clarify existing EPA regulatory requirements for, and provide guidance on, establishing wasteload allocations (WLAs) for storm water discharges in total maximum daily loads (TMDLs) approved or established by EPA.
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2023 National Emissions Inventory (NEI) Technical Support Document (TSD)
Explains the sources of information in the inventory; show what sources of data used for each sector; and provide more information about the components.
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Defense Production Act
Information on the Defense Production Act including how to use the DPA and FAQS for the Water Sector.
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Peer Review for Evaluating HHCB, phthalic anhydride, o-DCB, and p-DCB
Information about the EPA's Peer Review of the risk evaluation for octamethylcyclotetrasiloxane (D4) under the Toxic Substances Control Act.
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SWTR Fact Sheet - EPA Region 8
Contains information for public water systems under the Surface Water Treatment Rule (SWTR), Filter Backwash Recycling Rule, Interim Enhanced SWTR (IESWTR), Long Term 1 Enhanced SWTR (LT1ESWTR) and Long Term 2 Enhanced SWTR (LT2).
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Lake Pontchartrain Basin Restoration Program
Lake Pontchartrain Basin Restoration Program Web Area
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Brownfields Job Training Program Contacts
This page contains contacts for the Brownfields Job Training Program.
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Video: Cómo proteger a los niños del humo de los incendios forestales en la región del Pacífico y el suroeste
La Dra. Stephanie Holm, co-directora de la Unidad Especializada en Salud Ambiental Infantil para los Estados Occidentales, comparte información sobre qué puede hacer para reducir la exposición de los niños al humo de los incendios forestales.
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St. Louis River AOC
Describes history of the AOC, beneficial use impairments and sources of pollution.
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Video: Protecting Children from Wildfire Smoke in the Pacific Southwest
Dr. Stephanie Holm, Co-Director of the Western States Pediatric Environmental Health Specialty Unit, shares information on what you can do to reduce wildfire smoke exposure for kids.
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Unsubscribe from the Pacific Southwest Newsletter
Instructions for how to un-subscribe from the EPA Pacific Southwest Newsletter
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Bathroom Faucets
Replacing old, inefficient faucets and aerators with WaterSense labeled models can save the average family 700 gallons of water per year, equal to the amount of water needed to take 45 showers.
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Ports Primer: A4. Endnotes and Image Sources
The Ports Primer appendix includes endnotes and image sources.
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Missoula Railyard Reduces Costs and Idling Emissions
This web page provides an overview of technology changes (installation of APUs on locomotives), and operational changes (establishing an idling policy) that resulted in significant reduction of air emissions and reduced costs.
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NACEPT Assumable Waters Subcommittee Working Documents
Tribal issues to consider when looking at Clean Water Act section 404(g).
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Product Background Materials
Background information for specification development for WaterSense labeled products
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Funding for Ports and Near-Port Communities
Learn about all the funding opportunities and past projects for Ports Initiatives.
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Ports Initiative
EPA's Ports Initiative works in collaboration with the port industry, communities, and government to improve environmental performance and increase economic prosperity. This effort helps people near ports breath cleaner air and live better lives.