Science & Technology
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Using CAST to Develop Implementation Plans that Meet Loading Targets in the Chesapeake Bay Watershed
Archive for the Watershed Academy Webcast titled “Using CAST to Develop Implementation Plans that Meet Loading Targets in the Chesapeake Bay Watershed” held on November 9, 2017
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Using the Surface Water Toolbox for Estimating Critical Flow Statistics
: Archive for the Watershed Academy Webcast titled “Using the Surface Water Toolbox for Estimating Critical Flow Statistics” held on February 8, 2018
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Watershed Academy Webcast - Model My Watershed: A Tool for Water Resource Management
Archive for the Watershed Academy Webcast titled “Model My Watershed: A Tool for Water Resource Management” held on March 9, 2017
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Volume 2 - Point Sources
Point source emission reference materials from the Emissions Inventory Improvement Program (EIIP). Provides point source guidance on planning, emissions estimation, data collection, inventory documentation and reporting, and quality assurance/quality contr
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EPA Releases the First Ever National Wetland Condition Assessment
Flyer, presentation, and additional resources for the Thursday, June 16th, 2016 webcast
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HFC Reclaim and Innovative Destruction Grants
HFC Reclamation and Innovative Destruction Grants - information and notice of funding opportunity
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How's My Waterway December Webcast
Special Webcast on How’s My Waterway
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Can I get access to the Emissions Inventory System if I am not a data provider to EPA?
The Emission Inventory System (EIS) is a secured database for EPA and State/Local and Tribal Air Agencies only. The EIS is used to develop the National Emission Inventory (NEI). While you cannot have access to EIS, you can have access to the current and past NEIs through EPA’s NEI website…
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Background on Federal Indian Country Minor New Source Review
Tribal NSR Information
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6 Source Categories - Sawmill Facilities (Final Action)
EPA is proposing options to simplify the Clean Air Act permitting process for certain smaller sources of air pollution commonly found in Indian country.
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6 Source Categories - Concrete Batch Plants (Proposed Action)
EPA is proposing options to simplify the Clean Air Act permitting process for certain smaller sources of air pollution commonly found in Indian country.
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IRIS Multi-Year Agenda (Dec 2015)
This page includes supporting files to the IRIS Agenda.
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Meet EPA Wetland Ecologist Amanda M. Nahlik, Ph.D.
EPA researcher Dr. Amanda Nahlik works on understanding how anthropogenic disturbances, including climate change, affect wetland biogeochemistry across regional and national scales.
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Join a Water Utility Decontamination Tabletop Exercise
Members of the water sector and supporting partners can request a decontamination exercise.
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Ecosystems Research Publications in the Science Inventory
Ecosystems Research Publications
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EPA Research Partner Support Stories
ORD has compiled short stories of how its work during the past several years, in partnership with state agencies, counties, communities, and universities, has supported states in their efforts to protect human health and the environment.
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Meteorological Process Overview
Meteorology is an important component to air quality modeling. This pages describe how CMAQ accounts for different meteorological processes, like radiation and cloud transport.