| Aerial Application of Pesticide | 
                                            26 August 2025
                                             | 
                                            Miscellaneous | 
                                        
                                         
                                            | Aerial Spraying Approval Guidelines | 
                                            2025
                                             | 
                                            Miscellaneous | 
                                        
                                        
                                            | AERMET Surface & Upper-Air Meteorology Station | 
                                            2004 to 2008
                                             | 
                                            Modeling | 
                                        
                                        
                                        
                                            | Air Dispersion Modeling for Emergency Engines / Flares | 
                                            06 October 2014
                                             | 
                                            Modeling | 
                                        
                                        
                                            | Air Pollution Control Equipment Operations (August) | 
                                            20 August 2012
                                             | 
                                            Oil & Gas | 
                                        
                                        
                                            | Air Pollution Control Equipment Operations (October) | 
                                            19 October 2012
                                             | 
                                            Oil & Gas | 
                                        
                                        
                                            | Billing for Open Records Request | 
                                            Current
                                             | 
                                            Miscellaneous | 
                                        
                                        
                                            | 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 | 
                                        
                                        
                                            | Memo to Operators Regarding Bakken Pool Guidance Document | 
                                            02 May 2011
                                             | 
                                            Oil &Gas | 
                                        
                                        
                                            | 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 | 
                                        
                                        
                                            | Oil and Gas Production Facilities Bakken Pool Guidance (aka Bakken Guidance) | 
                                            02 May 2011
                                             | 
                                            Oil &Gas | 
                                        
                                        
                                            | Oil and Gas Emission Calculation Workbook (.xls) | 
                                            07 March 2013
                                             | 
                                            Oil &Gas | 
                                        
                                        
                                            | Permitting of Concrete Batch Plants and Cement Handling Facilities | 
                                            04 March 2020
                                             | 
                                            Permitting | 
                                        
                                        
                                            | 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 | 
                                        
                                        
                                            | Recommended AERSURFACE Inputs (North Dakota) | 
                                            01 March 2017
                                             | 
                                            Modeling | 
                                        
                                        
                                            | 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 | 
                                        
                                        
                                            | User's Instructions for HRLYNAAQS | 
                                            24 September 2010
                                             | 
                                            Modeling | 
                                        
                                        
                                            | Instructions for Title V Permit to Operate Applications | 
                                            01 September 2009
                                             | 
                                            Permitting | 
                                        
                                       
                                        
                                            | Title V Annual Compliance Certification Report (Example) | 
                                            01 October 2002
                                             | 
                                            Reporting | 
                                        
                                        
                                            | List of Trivial Activities for Development of Title V Applications | 
                                            22 February 2008
                                             | 
                                            Permitting | 
                                        
                                        
                                            | Criteria Required for Determination of a Complete Application for Title V Permit to Operate | 
                                            N/A
                                             | 
                                            Permitting | 
                                        
                                        
                                            | Compliance Assurance Monitoring (CAM) Guidance | 
                                            N/A
                                             | 
                                            Compliance | 
                                        
                                        
                                            | Title V Permit to Operate | 
                                            22 June 2010
                                             | 
                                            Permitting | 
                                        
                                        
                                            | General Information Concerning the Air Pollution Control Permit Fee System | 
                                            01 September 2012
                                             | 
                                            Permitting | 
                                        
                                        
                                            | NDDoH Clarification of VOC Emission Responsibilities for Oil & Gas Facilities Producing Prior to June 1, 2011 | 
                                            16 July 2011
                                             | 
                                            Oil &Gas | 
                                        
                                        
                                            | Storage Vessels at Oil & Gas non-Production Facilities | 
                                            27 May 2015
                                             | 
                                            Oil &Gas | 
                                        
                                         
                                            | Bakken Pool Oil & Gas Guidance Policy Method 22 Clarification | 
                                            10 October 2011
                                             | 
                                            Oil &Gas | 
                                        
                                         
                                            | Permit to Construct Application Fee Increase | 
                                            01 June 2016
                                             | 
                                            Permitting | 
                                        
                                         
                                            | Title V Permit to Operate Fee Schedule (2018) | 
                                            02 January 2018
                                             | 
                                            Permitting | 
                                        
                                          
                                            | North Dakota Minor Source Baseline Dates  | 
                                            13 May 2022
                                             | 
                                            Modeling | 
                                        
                                        
                                            | Compliance Requirements for Condensate Truck Loadout Emissions | 
                                            03 February 2020
                                             | 
                                            Oil &Gas | 
                                        
                                   
                                        
                                            | Temporary Crude Oil Storage Vessels | 
                                            07 May 2020
                                             | 
                                            Oil &Gas | 
                                        
                                        
                                            | Control of Storage Tanks at Shut-In Production Facilities | 
                                            07 May 2020
                                             | 
                                            Oil &Gas | 
                                        
                                        
                                            | Crude Oil Truck Loadout VOC Emissions Compliance Requirements | 
                                            13 July 2020
                                             | 
                                            Oil &Gas | 
                                        
                                        
                        | Compliance Alert – Air Emissions from Onshore Oil and Natural Gas Production Facilities | 
                        05 October 2020 | 
                        Oil &Gas | 
                    
                                        
                        | Compliance Alert – Regulatory Requirements for 40 CFR Subpart OOOOa Storage Vessel Affected Facilities at Crude Oil and Natural Gas Facilities | 
                        10 October 2023 | 
                        Oil &Gas | 
                                         
                                        
                                            | 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 | 
                                        
                                        
                                       | Control of Storage Tanks at Shut-In Upstream Production Facilities | 
                                            23 August 2021
                                             | 
                                            Oil &Gas | 
                                        
                                         
                        | Testing Requirements for Non-Emergency Engines (RICE) Located at Minor Source Oil and Gas Facilities  | 
                        09 June 2021 | 
                        Oil &Gas |