Learn the Issues
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Climate Change Adaptation Resource Center (ARC-X)
EPA supports state, tribes, and local community efforts to protect human health and the environment even as the climate changes.
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Procedure 6 – Quality Assurance Requirements for Gaseous Hydrogen Chloride (HCl) Continuous Emission Monitoring Systems Used for Compliance Determination at Stationary Sources
Promulgated quality assurance procedure 6 - Quality Assurance Requirements for Gaseous Hydrogen Chloride (HCl) Continuous Emission Monitoring Systems Used for Compliance Determination at Stationary Sources
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Procedure 3 Quality Assurance Requirements for Continuous Opacity Monitoring Systems at Stationary Sources
Promulgated quality assurance Procedure 3 Quality Assurance Requirements for Continuous Opacity Monitoring Systems at Stationary Sources
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Savannah Community-Port Collaboration Pilot Project
A series of meetings involving the Georgia Ports Authority and near-port community organizations were convened for a community capacity building pilot project. Technical assistance is being provided by EPA to support effective engagement.
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Performance Specification 1 for Opacity
Performance Specification 1 Specifications and test procedures for continuous opacity monitoring systems in stationary sources.
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Performance Specification 18 for Gaseous Hydrogen Chloride
Promulgated Performance Specification 18 – Specifications and Test Procedures for Gaseous Hydrogen Chloride Continuous Emission Monitoring Systems at Stationary Sources.
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State and Tribal Indoor Radon Grants (SIRG) Program and Resources
This guidance explains the standardized state template for SIRG measures,as required by the OMB and answers questions about the template. The Program guidance is intended to reconcile all legal, policy and programmatic changes that affected SIRG.
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General Information about the New Bedford Harbor Cleanup
Find out why EPA is cleaning up the harbor; what is being done about the pollution; how much longer will this cleanup take.
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Lumped Parameter Model (LPM) for Light-Duty Vehicles
EPA’s Lumped Parameter Model (LPM) is a free, desktop computer application that estimates the effectiveness (CO2 Reduction) of various technology combinations or “packages,” in a manner that accounts for synergies between technologies.
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EPA Regional Administrator Helps Usher in New Chapter for Brownfields Job Training Grads in Rochester, NY.
EPA News Release: EPA Regional Administrator Helps Usher in New Chapter for Brownfields Job Training Grads in Rochester, NY.
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National Radon Action Month Information
January is national radon action month. Here you can browse activities in your area and view the results of those activities.
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What about radon and radioactivity in granite countertops?
Does the EPA believe there is a danger of radon gas or associated radiation being emitted from granite countertops? It is possible for any granite sample to contain varying concentrations of uranium and other naturally occurring radioactive elements. These elements can emit radiation and produce radon gas, a source of…
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Federal Agency Hazardous Waste Compliance Docket
The Federal Agency Hazardous Waste Compliance Docket contains information reported to EPA by federal facilities that manage hazardous waste or from which hazardous substances, pollutants, or contaminants have been - or may be - released.
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Landscaping Tips
Having a water-smart landscape isn't just about how much you water - it means the choosing the right plants for your location, maintaining healthy soils, and using proper maintenance techniques.
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Tribal and Territory Awarded Grants
The DERA Tribal and Territory Program awards diesel emission reduction grants specifically for Tribes and territories (formerly insular area) governments. The Diesel Emissions Reduction Act (DERA) appropriates funds for these projects.
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Radon Hotlines and Information Resources
Find answers to frequent questions, radon service providers and training centers, radon program, and/or contact a radon hotline.
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Effects of Ocean and Coastal Acidification on Marine Life
Ocean and coastal acidification puts many marine life forms at risk by affecting the ability of ocean life to build shells and skeletons, stay healthy, and survive during larval growth stages.
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Petroleum Brownfields
Brownfield is a term applied to a property where its expansion, redevelopment, or reuse may be complicated by the presence or potential presence of a hazardous substance.
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Participate in the Permitting Process
Provides information on how the public can comment on PSD permits, NSR regulations and actions to approve state and local programs.
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Public Hearing for Proposed Renewable Fuel Standards for 2020, and the Biomass-Based Diesel Volume for 2021
EPA announces a public hearing in Ypsilanti, MI for Proposed Renewable Fuel Standards for 2020, and the Biomass-Based Diesel Volume for 2021.