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Air Quality Publications

Note that the AQ webpages for each of these topics contain valuable context for the documents and links to the appropriate webpage can be found at the top of each section when the documents sections are toggled open.

Air Quality Policy Memos

Rules, Regulations & Policies Webpage

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Title

Rev. Date

Topic
Aerial Application of Pesticide 26 August 2025 Miscellaneous
AERMET Surface & Upper-Air Meteorology Station 2004 to 2008 Modeling
Air Dispersion Modeling for Emergency Engines / Flares 06 October 2014 Modeling
Compressor Engines & Glycol Dehydration Units (Rescindment) 18 December 2023 Modeling
Criteria Pollutant Modeling Requirements for a Permit to Construct 06 October 2014 Modeling
Delegation of Clean Air Act New Source Performance Standards 29 August 2009 Permitting
Electric Compressor Policy (Rescindment) 21 October 2024 Permitting
Emission Testing Guideline 07 February 2020 Compliance
Hourly Ozone Sites 2004 to 2008 Modeling
Model Input Parameters for Flares 10 November 2010 Modeling
New Registration Fee and Form for Oil and Gas Production Facilities 27 November 2012 Fees
Odor Certification Guideline 03 March 2006 Training
Policy for the Control of Hazardous Air Pollutant (HAP) Emissions in ND (Air Toxics Policy) (Rescindment) 18 December 2023 Modeling
Portable Analyzer Standard Operating Procedure 11 December 2019 Compliance
Reporting of Excess Opacity Emissions 10 February 2006 Compliance
Storage Vessel Guidance (Rescindment) 21 October 2024 Oil &Gas
Temporary JT Skid/Liquids Knockouts Guidance 29 January 2014 Oil &Gas
Title V Permit to Operate 22 June 2010 Permitting
General Information Concerning the Air Pollution Control Permit Fee System 01 September 2012 Permitting
Permit to Construct Application Fee Increase 01 June 2016 Permitting
Title V Permit to Operate Fee Schedule (2018) 02 January 2018 Permitting
Asphalt Change of Status Notifications 11 March 2021 Compliance
High Efficiency Program Specifically Applies to Flares (Steffes, LLC) For Midstream Facilities 15 March 2021 Oil &Gas
High Efficiency Program Specifically Applies to Flares (Steffes, LLC) For Upstream Production Facilities 15 March 2021 Oil &Gas
High Efficiency Program Specifically Applies to Combustors For Upstream Production Facilities 18 March 2021 Oil &Gas
High Efficiency Program Specifically Applies to Flares (Steffes, LLC) For Upstream Production Facilities 13 January 2022 Oil &Gas
Testing Requirements for Non-Emergency Engines (RICE) Located at Minor Source Oil and Gas Facilities 09 June 2021 Oil &Gas

Ambient Monitoring Reports

Air Quality Monitoring Webpage

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Report
Ambient Monitoring Report for 2025 and Data Summary for 20241  PDF
Ambient Monitoring Report for 2024 and Data Summary for 20231  PDF
1 Now a combined document of the Ambient Monitoring Report and the Ambient Monitoring Network Plan.

Ambient Monitoring Data

Air Quality Monitoring Webpage

Ambient Data can be accessed through EPA's Air Quality System (AQS) or EPA's GIS Server .

Annual Emissions Inventory Reports

Reporting Webpage

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Regional Haze

Regional Haze Webpage

Title

Date

Round
North Dakota State Implementation Plan (SIP) for Regional Haze (v1.0.0) Large File 2010 March 03 1
Supplement No. 1 to the North Dakota State Implementation Plan (SIP) for Regional Haze (v1.0.1) 2010 July 27 1
Amendment No. 1 to the North Dakota State Implementation Plan (SIP) for Regional Haze (v1.1.0) 2011 July 28 1
Supplement No. 2 to the North Dakota State Implementation Plan (SIP) for Regional Haze (v1.1.1) 2013 January 02 1
Periodic Progress Report 2015 2015 January 02 1

Volkswagen Settlement

Volkswagen Settlement Webpage

Title

Date
Modified Final Environmental Trust Agreement 2020 May 19

Last Updated: 1/8/2024

Department of Environmental Quality
4201 Normandy Street
Bismarck, ND 58503-1324
 P: 701-328-5150
 F: 701-328-5200
 E: deq@nd.gov
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Accessibility Icon We are committed to ensuring our website complies with the Americans with Disabilities Act (ADA) and applicable web accessibility standards. We are actively working to improve the accessibility and usability of our online content. If you experience difficulty accessing any part of this website or require an accommodation, please contact us at DEQ@nd.gov.