UDAQ is currently developing the Northern Wasatch Front (NWF) Moderate State Implementation Plan (SIP) for the 2015 8-hour ozone National Ambient Air Quality Standard. The following tabs contain the technical support documentation (TSD) pertaining to the development of the SIP and associated administrative rules. These are draft documents and are subject to change.
- 2022 87 FR 5435 Ozone NSR
- 2022 37FR60903 Ozone Moderate DAAD
- 2021 86FR35404 Baseline Inventory Approval
- 2018 83FR25776 Ozone Marginal DAAD
- 2015 Ozone Implementation Rule
- 2008 Ozone Implementation Rule Federal Register
- EPA Response to Utah Designation Recommendation
- EPA Support Document for Response to Designation Recommendation
- NWF 179B(b) Demonstration Final
NWF NAA Boundary Adjustment
NWF SIP and Part H
NWF OZONE SIP PUBLIC COMMENTS
- Marathon Moderate Ozone SIP Comment Letter
- UPA,UMA Moderate Ozone FULL SIP Comments
- UMA Comments re Moderate Ozone SIP
- KUC-OzoneModerateSIP_comments_FINAL
- Chevron Products Company- Comments on Proposed State Implementation Plan
- HEAL Utah Ozone SIP Technical Comments
- 2023-07-17_EPA-CommentsOnUtahModOzone
- 2023-07-17 WRA Ozone SIP Comments for DAQ
- 2023-07-17 WRA2 ACT Rules in Other States
- Breath Utah Moderate Ozone SIP Comments
- 2023-07-17WRA 1 baaqmd nmhc emission flares
- 2023-07-17 WRA 3 HDV-EV-policy-update 2020
- Public Commenter NWF SIP
RACT/RACM
All RACT submissions are currently under review and in draft format. The denoted date is the date received. RACTs are being reviewed based on the most current submission.
- Big West Oil LLC Refinery – RACT 1-31-23
- Chevron Products Company Refinery – RACT 1-31-23
- Chevron Salt Lake Marketing Terminal – RACT 3-30-21
- Chevron SLC Boilers 5_6 F11005_F11006 Ozone RACT Cost Analysis – 2-23-2023
- Chevron SLC Crude Unit Heater F21001 Ozone RACT Cost Analysis – 2-23-2023
- Chevron SLC Crude Unit Heater F21002 Ozone RACT Cost Analysis – 2-23-2023
- Chevron SLC Emergency Diesel Engines Ozone RACT Cost Analysis – 2-23-2023
- Chevron SLC FCCU Ozone RACT Cost Analysis – 2-23-2023
- Chevron SLC – UDAQ Ozone RACT Analysis
- Hexcel Corporation – RACT 1-31-23
- HF Sinclair – UPDATED RACT 2-23-23
- Holly Frontier Sinclair Refinery – RACT 01-31-23
- Holly Energy Partners Terminal – RACT 2-12-21
- Kennecott Ozone RACT Analysis Email – 2-27-2023
- Kennecott Utah Copper Mine, Copperton Concentrator, Smelter, & Refinery – RACT 1-30-23
- NWF CTG TSD
- Tesoro Refining & Marketing Company dba Marathon Refinery – Cogen SCR Cost Estimate Basis 08-30-2023
- Tesoro Refining & Marketing Company LLC dba Marathon Refinery – Response 08-25-2023
- Tesoro Refining & Marketing Company LLC dba Marathon Refinery – RACT 1-31-23
- Tesoro Logistics Operations LLC Truck Loading Rack – UPDATED RACT 01-31-23
- Tesoro Logistics Operations LLC Truck Loading Rack – RACT 3-31-21
- UMPA WVPP – RACT Cost Analysis
- University of Utah – RACT 1-31-23
- UPMA WVPP – RACT 2-27-23
- US Magnesium LLC – UPDATED RACT 01-31-23
- USM Information Response to DAQ Order 05-20-22
- USM – RACT 2021-05-17
- Utah Municipal Power Agency West Valley Power Plant – RACT 1-31-23
- Wasatch Front Ozone RACM 2023
Modeling
- 2023 Existing Basic Inspection and Maintenance Performance Standard Modeling TSD
- CAMx SIP TSD
- Draft Modeling Episode Meteorological
- Exception Event Flagging and Exclusion TSD
- Great Salt Lake Playa and Salt Flat Albedo Adjustments
- Modeling Protocol IWF
- NW Motor Vehicle Emissions Budget Derivations TSD
- NWF Inspection and Maintenance Program TSD
- SMOKE NWF Ozone TSD
- SMAT TSD
- WRF MPE NWF Ozone TSD
Inventory
- 2023 NW Summer Projection Ozone Inventory On-Road TSD
- 2023 Point Source Ozone SIP TSD
- Summer 2023 NW Projection On-Road TSD
- 2017 Area Source Inventory TSD
- 2017 Non-Road Baseline, Episodic, and 2023 Projection
- 2017 Point Source TSD
- 2017 Episodic Ozone Inventory On-Road TSD
- 2017 NW Summer Baseline Ozone Inventory On-Road TSD
- Northern Wasatch Front Marginal Ozone Inventory
- NWF Inventory Preparation Plan 2015 Ozone
- Area Baseline 2017 and Projected 2023 TSD inventory
R307-315 & R307-316 NOx Emission Controls for Natural Gas-Fired Boilers
Final Proposed Rules
Advance Notice of Proposed Rulemaking
- ABMA Comments to Utah Division of Air Quality (1)
- Boiler Emissions Reduction Estimate for Revised Proposed Boiler Rules
- Boiler Rule Comments Draft 10102022 (1)
- Boiler Ultra Low-NOx Boiler BACT Report
- Draft Rule R307-316 Advance Notice
- Draft Rule R307-315 Advance Notice
- Fact Sheet; Boilers 2-5mmBTU
- Fact Sheet_ Boilers _ 5 MMBtu
- KUC_Comments_UDAQBoilerRule-AdvRule_20221017 (1)
- UPA.UMA Boiler Rule Comments Final 10.17.2022 (3)
Public Comments
R307-313. VOC and Blue Smoke Controls for Hot Mix Asphalt Plants
- Draft Rule R307-313 VOC Controls for Hot Mix Asphalt Plants
- Granite R307-313 Comments
- GRP R307-313 Comments
- Hot Mix Asphalt Cost of Controls Overview Proposed Rule: R307-313
- Kilgore R307-313 Comments
- SPC R307-313 Comments
- SPC R307-313 Control Cost Comments
- Staker Parson R307-313 Comments
- Trauscht R307-313 Comments
- UAPA R307-313 Comments
Contact
Ryan Bares (rbares@utah.gov)