Science & Technology
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Watershed Index Online
A comparative analysis tool for comparing watershed characteristics within user-defined geographic areas to support their strategic planning decisions.
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Ambient Water Quality Monitoring System
This page describes what the ambient water quality monitoring system is, how it functions, and what a user can do with it.
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Support for STOrage and RETrieval and Water Quality Exchange Data Owners
This page contains numerous resources relevant to STORET and WQX data owners.
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User's Manual for CORMX
This user’s manual gives a comprehensive description of CORMIX system and includes guidance on multiple facets of the system.
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Sargassum Inundation Events (SIEs)
Sargassum Inundation Events - What is Sargassum?
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Planning for and Managing Sargassum Inundation Events (SIEs)
Planning and Management Methods for Sargassum Inundation Events (SIEs)
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Sargassum Inundation Events (SIEs): Impacts on Aquatic Life and Associated Ecosystems
Sargassum Inundation Events Impacts on Aquatic Life and Associated Ecosystems
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Sargassum Inundation Events (SIEs): Impacts on the Economy
Sargassum Inundation Events (SIEs): Impacts on the Economy
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Origin and Drivers of the Great Atlantic Sargassum Belt (GASB)
Origin and Drivers of the Great Atlantic Sargassum Belt (GASB)
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Great Atlantic Sargassum Belt (GASB)
Great Atlantic Sargassum Belt (GASB)
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Basic Information on Sargassum
Basic Information about Sargassum
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Region 3 FOIA Repository
Frequently requested FOIA related information from region 3.
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About the Automotive Trends Data
About the data for the light-duty vehicle carbon dioxide and fuel economy trends report.
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Explore the Automotive Trends Data
Explore and download summary data with interactive figures and tables for the automotive trends report.
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Data for the Automotive Trends Report
Data for the light-duty vehicles, including EPA's criteria pollutant and GHG standards.
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Download the Automotive Trends Report
Download the light-duty vehicle carbon dioxide and fuel economy trends report.
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Introduction to the Automotive Trends Report
Introductory information for light-duty vehicle greenhouse gas (GHG) emissions, fuel economy, technology data, and auto manufacturers' performance in meeting EPA's GHG emissions standards.
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Extension to Minor NSR Permitting Deadline for Oil and Gas Resources
EPA is proposing a Federal Implementation Plan rule that would apply to new true minor sources and minor modifications at existing true minor sources in the production segment of the oil and natural gas sector
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Highlights of the Automotive Trends Report
Highlights of the light-duty vehicle carbon dioxide and fuel economy trends report.
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Ground Water Modeling Research
EPA is supporting region, state, and tribal partners at Superfund sites and brownfields to develop new methods to better characterize, monitor, and treat ground water contamination; in order to protect drinking water, surface water, and indoor air.