Science & Technology
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Sources of Greenhouse Gas Emissions
Sources of greenhouse gas emissions, inculding electricity production, tranportation, industry, agriculture, and forestry.
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Agriculture Sector Emissions
Sources of greenhouse gas emissions, inculding electricity production, tranportation, industry, agriculture, and forestry.
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Industry Sector Emissions
Sources of greenhouse gas emissions, inculding electricity production, tranportation, industry, agriculture, and forestry.
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Getting Started with Home EV Charging
This page provides information to help potential and new EV owners set up charging.
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Coal Mine Methane Related Events
News and Events
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CWA Restoration Framework
Overview of Clean Water Act (CWA) restoration framework including; water quality standards, monitoring/assessment, reporting water quality status, TMDL development, TMDL implementation (point & nonpoint source control)
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Chemical Mass Balance (CMB) Model
The EPA-CMB Version 8.2 uses source profiles and speciated ambient data to quantify source contributions. Contributions are quantified from chemically distinct source-types rather than from individual emitters.
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Remining - Opportunities and Limitations for Water Quality Improvement and Stream Restoration
Benefits of Remining are discussed including; reclamation of abandoned mine lands that the AML program is unlikely to ever restore, decrease or eliminate pollution loads of acidity,iron, manganese and other contaminants from pre-existing discharges.
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Headwater Streams - What Are They and What Do They Do?
General Stream Principles including headwater streams, Lane's Relation, stream beahvior
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A Function-Based Framework for Stream Assessment and Restoration Projects under CWA Section 404
This report lays out a framework for approaching stream assessment and restoration projects that focuses on understanding the suite of stream functions at a site in the context of what is happening in the watershed.
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ODS Destruction in the United States and Abroad - February 2018
This technical report provides information on sources, destruction technologies, and best practices for recovery, collection, transport, and destruction of ozone-depleting substances and other fluorinated compounds such as HFCs
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Stakeholder Process for Natural Gas and Petroleum Systems in the 1990-2022 Inventory
This page provides information about stakeholder meetings and webinars on updates under consideration for the 1990-2022 GHG Inventory (to be released in April 2024).
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Designation and NAAQS Information Related to Lead (2008 Standard)
Designation and NAAQS Information Related to Lead (2008 Standard)
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EPA resumes cleanup of residential yards at the Jacobsville Superfund site in Evansville, Indiana
Work was paused during the winter months.
EPA News Release: EPA resumes cleanup of residential yards at the Jacobsville Superfund site in Evansville, Indiana
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TMDL Progress Assessment Documents: Dissolved Oxygen
San Francisco Bay Delta water quality progress report focusing on the pesticides dissolved oxygen levels in the Stockton Deep Water Ship Channel.
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TMDL Progress Assessment Documents: Mercury
Collection of San Francisco Bay Delta Water Quality Progress Reports focusing on mercury/methylmercury.
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Methylmercury and Irrigated Agriculture in the Sacramento-San Joaquin Delta
Key observations from as well as the final report, "Characterization of Methylmercury Loads for Irrigated Agriculture in the Delta".
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Presidential Green Chemistry Challenge: 2005 Small Business Award
Presidential Green Chemistry Challenge 2005 award winner, Metabolix, used biotechnology to develop microorganisms that produce polyhydroxyalkanoates: natural, biodegradable plastics with a range of environmental benefits.
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Market Developments Around Climate-Related Financial Disclosures
A wide range of federal programs are available to help organizations identify and implement GHG reduction opportunities.
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Indoor Air Quality Science
Understand indoor air in homes, schools, and offices. Most of us spend much of our time indoors. The air that we breathe in our homes, in schools, and in offices can put us at risk for health problems. Some pollutants can be chemicals, gases, and living or