Consultants
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St. Louis River Area of Concern
Public Review and Input Opportunity Draft 2024 Remedial Action Plan Update for the St. Louis River Area of Concern The DNR is seeking public feedback on the draft 2024 Remedial Action Plan Update for…
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Wisconsin’s Great Waters Annual Photo Contest and Writing Project
Subscribe to receive updates and news about the Great Waters Photo Contest and Writing Project, including when the next calendar is available. Each year, the DNR's Office of Great Waters holds a photo contest and writing project. These…
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Sulfur Dioxide NAAQS Implementation
The U.S. Environmental Protection Agency (EPA) sets National Ambient Air Quality Standards (NAAQS) for criteria pollutants, including sulfur dioxide (SO2). On June 2, 2010, EPA revised the SO2 standard, establishing a one-hour primary standard of 75…
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Air Pollution Control Rules
Wisconsin's State Legislature creates and revises the Wisconsin Statutes
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Particle Pollution
Particulate Matter (PM) pollution consists of solid particles or liquid droplets suspended in the air. Fine particles (PM2.5) may be emitted directly into the atmosphere but are more commonly created by reactions of other pollutants, such as…
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Air Quality News and Subscriptions
The DNR uses GovDelivery to help us more efficiently manage our communications and offer more subscription options to our customers. To learn more about these subscriptions and to sign up, please click on the "Subscriptions" tab below.Air NewsAir…
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Frequently Asked Questions: National Emission Standards for Hazardous Air Pollutants (NESHAP)
The U.S. EPA issues National Emission Standards for Hazardous Air Pollutants (NESHAPs) that are categorized as either MACT or GACT. For general information about NESHAPs, visit our air toxics page. HAP = hazardous air pollutant MACT = maximum…
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Air Management Program Organization and Staff Lists
Air Program organization chart - primary responsibilities for Air Program personnel DNR staff directory - searchable by name, subject or county Contacts by topic Rules, plans and policy Rules and regulations Federal and state standards…
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Power Plant Carbon Emission Standards
The U.S. Environmental Protection Agency (EPA) has undertaken several rulemakings regulating carbon emissions from power plants under two sections of the Clean Air Act (CAA).
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Tools and Training for Predicting Beach Conditions
Use the links on this page to access publications and references related to our work with beach pathogen indicators and water quality models, including a list of useful articles and documents dealing with statistical modeling of E. coli and other…