Learn the Issues
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Calculating Preliminary Remediation Goals (PRGs)
Provides information on calculating cleanup goals for a site which includes key EPA documents and links that provide direction on how to calculate PRGs and RALs for various media
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2011 Version 6.3 Technical Support Document
This TSD describes how the emission inventories were prepared for air quality modeling for the years 2011, 2017, and 2025 using the 2011, version 6.2 emissions modeling platform, which is based on the 2011 National Emissions Inventory, Version 3
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Biogenic Emissions Landuse Database, Version 3 (BELD3)
BELD3 data provides distributions of 2030 vegetation classes at 1-km resolution over most of North America. These data are used by SMOKE to develop estimates of emissions from biogenic sources.
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Sargassum Inundation Events (SIEs)
Sargassum Inundation Events - What is Sargassum?
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Revised Final Report on Characterization of Dust Lead Levels After Renovation, Repair, and Painting Activities, November 13, 2007
Reports the final results of a field study to characterize dust lead levels during various stages of renovation, repair, and painting activities.
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EPA Regulation Navigation Tools
home page for all 4 regulation navigation tools
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End of Ozone Pollution and Your Patients' Health Training
End of training page for ozone and your patients' health
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Health Effects of Ozone in Patients with Asthma and Other Chronic Respiratory Disease
Health Effects of Ozone in Patients with Asthma and Other Chronic Respiratory Disease
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Managing Air Quality - Ambient Air Monitoring
An overview of ambient air monitoring and how it supports the air quality management process. It includes links to resources for more information.
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SO2 Data Requirements Rule January 13, 2017 State Submittals - Ohio
SO2 Data Requirements Rule January 13, 2017 State Submittals - Ohio
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DOJ Press Release: Former Managers of Waste Pre-Treatment Facility Plead Guilty to Illegally Discharging Waste into Nashville Sewer System
DOJ Press Release: Former Managers of Waste Pre-Treatment Facility Plead Guilty to Illegally Discharging Waste into Nashville Sewer System
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Impaired Waters and TMDLs in Region 5
A collection of resources and contacts for the EPA Region 5 Total Maximum Daily Load program
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Region 9 CWA Water Pollution Control Presentations: WQX Workshop (August 2010)
Presentations from past workshops and webinars held by or in conjunction with the Water Tribal Office and its presentations from RTOC Water Quality breakout sessions.
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2021 Tribal Water Quality Standards Academy
Final agenda and presentations from the 2021 EPA Region 9 Tribal Water Quality Standards Virtual Workshop.
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2025 Tribal Clean Water Act (CWA) Workshop
Presentations from the EPA Region 9 & Fallon Paiute-Shoshone Tribe's 2025 Tribal Clean Water Act (CWA) Workshop. The workshop guided Tribal CWA staff on monitoring, assessment, protection, and pollution prevention on Tribal lands and watersheds.
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EPA’s Registered Antimicrobial Products for Medical Waste Treatment [List J]
List J: EPA’s Registered Antimicrobial Products for Medical Waste Treatment
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Environmental Information for Alaska
This page contains environmental information on topics such as air, water, land and waste cleanups, and pesticides and other toxic chemicals for Alaska.
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Federal Agencies and Organizations Addressing Environmental Asthma
EPA works with federal agencies, national nonprofit organizations and EPA regional offices to encourage integration of outreach and education on environmental asthma triggers.
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EPA Announces $10.5 Million for Tennessee to Address PFAS in Drinking Water
U.S. Environmental Protection Agency (EPA) has announced $10,528,000 in new Emerging Contaminants in Small or Disadvantaged Communities (EC-SDC) grant funding to address PFAS and emerging contaminants in Tennessee communities that need it most.