Data and Tools
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Air Quality Models
Air quality models use mathematical and numerical techniques to simulate the physical and chemical processes that affect air pollutants as they disperse and react in the atmosphere.
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Lake Michigan Habitat and Land Use Management Tool Box
Planning and Resource Management Reference Materials for Lake Michigan
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The Enhanced Air Sensor Guidebook Webinar Archive
This EPA Tools & Resources webinar showcases the Enhanced Air Sensor Guidebook.
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Community Exposure for COVID-19 Webinar Archive
This webinar discussed research that sheds light on community exposure of SARS-CoV-2, including virus detection in wastewater, methods for quantifying the virus in wastewater, development of salivary antibody assays, and transmission of the virus in air.
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Asthma Picture Book - "Why is Coco Orange?"
Coco the chameleon can't change colors, and his asthma is acting up. Read how Coco and his friends at Lizard Lick Elementary solve this mystery as they learn about air quality and how to stay healthy when the air quality is bad.
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Expert Panel Report 3: Guidelines for the Diagnosis and Management of Asthma
This set of guidelines emphasizes the importance of asthma control and introduce new approaches for monitoring asthma.
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RSEI Data Dictionary: Releases Data
This table contains data for each chemical release. There can be multiple release records per submission record.
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Learn About RSEI
Basic information about the EPA Risk-Screening Environmental Indicators (RSEI) model
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EasyRSEI Basics
How to use EasyRSEI and description of its rankings, trends, query functionality and data views.
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Region 8 Targeted Brownfields Assessments
Information about targeted brownfields assessments in EPA Region 8 (Colorado, Montana, North Dakota, South Dakota, Utah, Wyoming and 28 Tribal nations)
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Real Water Technical Assistance (RealWaterTA) Request Form
Web Intake Form
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How to Register to Apply for Grants
Provides instructions for registering an organization with SAM.gov and Grants.gov as a precondition for applying for EPA grant opportunities.
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CASTNET Site Locations
CASTNET site map
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CNO014
Choctaw Nation (CNO014) CASTNET site location,
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2023 Reference Case
This area provides information and documentation on EPA’s power sector modeling platform v6, including the associated input data and modeling assumptions, outputs, and documentation.
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Post-IRA 2022 Reference Case
This area provides information and documentation on EPA’s power sector modeling platform v6, including the associated input data and modeling assumptions, outputs, and documentation.
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Previous Versions of EPA Platforms Using IPM
Find previous versions of EPA's Integrated Planning Model (IPM) including versions 5.16; 5.15; 5.14; and 5.13.
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Management Goals
Management goals are narrative statements that express the desired condition of an aquatic system and can be used as a guide in developing conceptual models that relate nutrient pollution thresholds to assessment endpoints in the problem formulation phase.
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N-STEPS Online References Cited
A list of references cited in N-STEPS Online.
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N-STEPS Online Data Library
This page serves as a collection of known data resources and tools to aid in planning and developing numeric nutrient criteria.