NWS Project Extension Woodside Energy Ltd
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NWS Project Extension Woodside Energy Ltd. Air Quality Impact Assessment Final Report | Revision 4 25 October 2019 Air Quality Impact Assessment NWS Project Extension Project No: IW212400 Document Title: Air Quality Impact Assessment Revision: Revision 4 Date: 25 October 2019 Client Name: Woodside Energy Ltd. Project Manager: Sarah Blackford & Jon Davies Author: Barbara Brown & Matthew Pickett File Name: Woodside_NWS Air Quality Assessment_Rev 4_Final Jacobs Group (Australia) Pty Limited ABN 37 001 024 095 Level 6, 30 Flinders Street Adelaide SA 5000 Australia T +61 8 8113 5400 F +61 8 8113 5440 www.jacobs.com © Copyright 2019 Jacobs Group (Australia) Pty Limited. The concepts and information contained in this document are the property of Jacobs. Limitation: This document has been prepared on behalf of, and for the exclusive use of Jacobs’ client, and is subject to, and issued in accordance with, the provisions of the contract between Jacobs and the client. Jacobs accepts no liability or responsibility whatsoever for, or in respect of, any use of, or reliance upon, this document by any third party. Document history and status Revision Date Description By Review Approved 0 3 Jul 2019 For Client B Brown & A Boyd M Pickett & S Blackford M Goodwin 1 17 Jul 2019 For Client B Brown & A Boyd M Pickett & S Blackford M Goodwin 2 31 Jul 2019 For Client B Brown & A Boyd M Pickett & S Blackford M Goodwin 3 16 Aug 2019 For Client B Brown, A Boyd & M Murphy M Pickett & S Lakmaker M Goodwin 3 20 Aug 2019 For Client B Brown, A Boyd & M Murphy M Pickett & S Lakmaker M Goodwin 3 23 Aug 2019 For Client B Brown, A Boyd & M Murphy M Pickett & S Lakmaker M Goodwin 3 9 Sep 2019 For Client B Brown, A Boyd & M Murphy M Pickett & S Lakmaker M Goodwin 4 10 Oct 2019 For Client B Brown, A Boyd & M Murphy M Pickett M Goodwin 4 18 Oct 2019 For Client (minor additions) B Brown, A Boyd & M Murphy M Pickett M Goodwin 4 25 Oct 2019 For Client (minor additions) B Brown, A Boyd & M Murphy M Pickett M Goodwin Final Report i Air Quality Impact Assessment Contents Executive Summary .................................................................................................................................1 1. Introduction ..................................................................................................................................5 1.1 Overview........................................................................................................................................5 1.2 Project Background ........................................................................................................................5 1.3 Scope ............................................................................................................................................5 1.4 Geographical Summary..................................................................................................................5 2. Air Quality Assessment Criteria ..................................................................................................7 2.1 Overview........................................................................................................................................7 2.2 Ambient Air Quality Standards – Criteria Pollutants ........................................................................7 2.3 Investigation Levels for Hydrocarbons ............................................................................................7 2.4 Vegetation Protection Standards ....................................................................................................8 2.5 Land Surface Protection Standards ................................................................................................8 3. Existing Air Quality ......................................................................................................................9 3.1 Overview........................................................................................................................................9 3.2 Air Quality Effects from Fires ..........................................................................................................9 3.3 Nitrogen Dioxide and Ozone...........................................................................................................9 3.4 Hydrocarbons – Benzene, Toluene, and Xylenes ......................................................................... 13 3.5 Airborne Particulate Matter as PM10 and PM2.5 ............................................................................. 15 3.6 Sulfur Dioxide............................................................................................................................... 16 3.7 Deposition Fluxes of Nitrogen and Sulfur ...................................................................................... 16 4. Emissions Sources and Estimates............................................................................................ 17 4.1 Overview...................................................................................................................................... 17 4.2 Outcomes of Risk Assessment ..................................................................................................... 17 4.3 Model Scenarios .......................................................................................................................... 20 4.4 Existing Emission Sources ........................................................................................................... 21 4.5 Future Emission Sources ............................................................................................................. 26 5. Modelling Methodology ............................................................................................................. 30 5.1 Overview...................................................................................................................................... 30 5.2 Review of Scientific Literature ...................................................................................................... 30 5.3 Model configuration ...................................................................................................................... 31 6. Comparisons with 2014 Monitoring Results ............................................................................. 39 7. Results........................................................................................................................................ 42 7.2 NO2 Concentrations ..................................................................................................................... 42 7.3 O3 Concentrations ........................................................................................................................ 53 7.4 SO2 Concentrations...................................................................................................................... 59 7.5 Potential Effects on Vegetation ..................................................................................................... 63 7.6 Deposition of NO2 and SO2 ........................................................................................................... 69 7.7 Summary of Results ..................................................................................................................... 81 Final Report ii Air Quality Impact Assessment 8. Testing of Model Results for Deposition................................................................................... 83 9. Conclusion ................................................................................................................................. 89 Appendix A. Location Map and Monitoring Stations............................................................................ 93 Appendix B. Local Meteorology ............................................................................................................ 94 Appendix C. Results – Meteorological Modelling ............................................................................... 109 Final Report iii Air Quality Impact Assessment List of Tables Table 2-1: NEPM (Ambient Air Quality) Standards relevant to the NWS Project Extension1 .............................. 7 Table 2-2: Air Toxics NEPM Monitoring Investigation Levels and NSW EPA Assessment Criteria ..................... 8 Table 2-3: EU (2008) Air Quality Standards for the Protection of Vegetation ..................................................... 8 Table 3-1: Karratha Air Quality Monitoring – Data Capture NO2 and O3 .......................................................... 10 Table 3-2: Dampier Air Quality Monitoring Results – Data Capture NO2 and O3 .............................................. 10 Table 3-3: Burrup Road Air Quality Monitoring Results – Data Capture NO2 and O3 ....................................... 10 Table 3-4: Karratha Air Quality Monitoring – Data Capture for BTX................................................................. 14 Table 3-5: Burrup Air Quality Monitoring – Data Capture for BTX ................................................................... 14 Table 3-6: Dampier Air Quality Monitoring – Data Capture for BTX ................................................................. 14 Table 3-7: Air Quality Monitoring 2009 – BTX Statistics at Karratha, Burrup and Dampier............................... 15 Table 3-8: Summary of Results for Burrup N and S Deposition Monitoring Programs.....................................