Regulated Community
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Implementation of the National Ambient Air Quality Standards (NAAQS) for Fine Particulate Matter (PM2.5): State Implementation Plan (SIP) Requirements
Learn about the implementation requirements for the 2012 particulate matter NAAQS implementation requirements for states by reading the rule history, the rule summary, and additional resources
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Secondary National Ambient Air Quality Standards (NAAQS) for Nitrogen Dioxide (NO2) and Sulfur Dioxide (SO2) and Particulate Matter (PM)
learn about the secondary NAAQS for NO2 and SO2 and PM2.5 by reading the rule history, the rule summary, the docket folder, and fact sheets
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Primary National Ambient Air Quality Standard (NAAQS) for Sulfur Dioxide
Learn about the 2011 primary NAAQS standards for sulfur dioxide by reading the rule summary, rule history, fact sheets and other additional documents
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2010 Sulfur Dioxide National Ambient Air Quality Standards Implementation Actions
Read about the EPA's infrastructure actions for the 2011 primary SO2 NAAQS. These actions are regarding states' failure to submit SIPs addressing various parts of the standards.
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2006 Particulate Matter (PM) National Ambient Air Quality Standards (NAAQS) Actions
Read about the EPA's infrastructure actions for the 2006 PM NAAQS. These actions are regarding states' failure to submit SIPs addressing various parts of the standards. Here you can read the federal register notices,and fact sheets
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CAA Permitting on the Southern Ute Indian Reservation
Air permitting on the Southern Ute Indian Reservation.
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Inert Ingredients and Fees
Information about inert ingredients and their PRIA registration fees.
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PRIA 5 Fee Determination Decision Tree
The PRIA decision tree will help applicants requesting a pesticide registration or certain tolerance action to accurately identify the category of their application and the amount of the required fee before they submit the application.
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PRIA Biopesticide PIP or Biotechnology-Derived Active Ingredient
PRIA fee determination decision tree biopesticides
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Clean Air Permitting in the U.S. Virgin Islands
Air permitting in EPA's Northeast region, Region 2; serving New Jersey, New York, Puerto Rico, the U.S. Virgin Islands and 8 Tribal Nations
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Clean Air Permitting in New Jersey
Air permitting in EPA's Northeast region, Region 2; serving New Jersey, New York, Puerto Rico, the U.S. Virgin Islands and 8 Tribal Nations
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Clean Air Permitting in New York
Air permitting in EPA's Northeast region, Region 2; serving New Jersey, New York, Puerto Rico, the U.S. Virgin Islands and 8 Tribal Nations
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Environmental Justice for CAA Permitting in Region 2
Air permitting in EPA's Northeast region, Region 2; serving New Jersey, New York, Puerto Rico, the U.S. Virgin Islands and 8 Tribal Nations
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Slide Show on Ethylene Oxide that formed the basis of the May 20, 2021 Webinar Held by Region 6 on Ethylene Oxide
Slide Show for the Ethylene Oxide 101 Webinar that took place on May 20, 2021 in EPA Region 6.
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Schedule a Pre-Application Meeting for a Clean Air Act Permit in Region 8
Scheduling a Pre-Application Meeting for CAA permits in EPA Region 8, for 27 Tribal Nations in Colorado, Montana, North Dakota, South Dakota, Utah, and Wyoming.
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Minor NSR Permit: Deseret Power Electric Cooperative - Bonanza Power Plant
Minor NSR permit, response to public comments, and administrative record for the Deseret Generation and Transmission Cooperative Bonanza Power Plant, Uintah and Ouray Indian Reservation, Utah.