Data and Tools
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CGEM Example Files
Example files are available to facilitate user familiarity with CGEM model setup.
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CGEM Documentation
User guides and model theory documentation.
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Citing CGEM
CGEM citings
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CGEM Release Notes
CGEM release notes
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CGEM Download
CGEM Installers are provided. You will need to have knowledge on how to install software on your target operating system.
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EPA’s Recommended Ambient Water Quality Criteria for Nutrients
EPA’s Recommended Ambient Water Quality Criteria for Nutrients
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2023 Appendix W Proposed Rule
On October 12, 2023, the Administrator signed a propose rule that revises the Guideline on Air Quality Models. This webpage provides the background material related to this proposed rule for stakeholder reference.
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BWR139
Blackwater NWR (BWR139) CASTNET site location,
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BUF603
Buffalo (BUF603) CASTNET site location,
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BBE401
Big Bend NP (BBE401) CASTNET site location,
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Faster, Cheaper, Greener Webcast Series
Listing of Faster Cheaper Greener Webcast Series
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Resources for State, Local, and Tribal Authorities
This page provides resources for SLTs interesting in knowing more about CAERS and how to onboard with CAERS.
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ASH135
Ashland (ASH135) CASTNET site location,
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Combined Air Emissions Reporting Project
This page describes what the CAER project is and what the CAERS reporting system is.
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Combined Air Emissions Reporting System (CAERS)
Created page specifically for CAERS users.
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ALH157
Alhambra (ALH157) CASTNET site location,
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ACA416
Alabama-Coushatta Tribe of Texas (ALC188) CASTNET site location,
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Search Tools by Topic
System Data Searches allows you to go directly to the System Search that interests you.
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SmartWay Logistics Company Partner Tools and Resources
If you are alrady a registered Smartway Partner, check these Logistics Company resources and tools which will help you maintain your good standing as a Smartway partner.
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Antimicrobial Testing Methods & Procedures Developed by EPA's Microbiology Laboratory
We develop antimicrobial testing methods and standard operating procedures to measure the effectiveness of hard surface disinfectants against a variety of microorganisms. Find methods and procedures for antimicrobial testing.