Appendix K – Aqrp and Nepa Emission Inventories
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SHELL CHUKCHI SEA OUTER CONTINENTAL SHELF LEASE EXPLORATION PLAN REVISION 2 APPENDIX K – AQRP AND NEPA EMISSION INVENTORIES TABLE OF CONTENTS 1.0 Drilling Units and Support Vessels ................................................................................................... 6 1.1 Drilling Units .................................................................................................................................... 6 1.1.1 Discoverer ..................................................................................................................................... 6 1.1.2 Polar Pioneer ................................................................................................................................ 8 1.2 Support Vessels ............................................................................................................................... 10 1.2.1 Ice Management and Anchor Handling Vessels ................................................................. 10 1.2.2 Science Vessels ......................................................................................................................... 11 1.2.3 Support Tugs ............................................................................................................................ 11 1.2.4 Offshore Supply Vessels ......................................................................................................... 11 1.2.5 Oil Spill Response Vessels ...................................................................................................... 11 1.2.6 Arctic Oil Storage Tanker ....................................................................................................... 12 1.2.7 MLC ROV System Vessel ....................................................................................................... 12 1.2.8 Candidate Vessels .................................................................................................................... 12 2.0 Offshore Air Emissions ..................................................................................................................... 16 2.1 Vessel and Emission Unit Activity ............................................................................................... 16 2.2 Emission Factors ............................................................................................................................. 17 2.2.1 Source Test Data ....................................................................................................................... 19 2.2.2 Vendor Data.............................................................................................................................. 22 2.2.3 EPA’s AP-42 Compilation of Air Pollutant Emission Factors ........................................... 23 2.2.4 Sulfur Dioxide Emissions ....................................................................................................... 25 2.2.5 Greenhouse Gas Emissions .................................................................................................... 25 2.2.6 Lead Emissions ......................................................................................................................... 26 2.3 AQRP Offshore Emissions Summary .......................................................................................... 27 2.4 NEPA Offshore Emissions Summary .......................................................................................... 32 3.0 Onshore Air Emissions ...................................................................................................................... 40 Shell Chukchi Sea EP Revision 2 1 August 18, 2014 Appendix K TABLE OF CONTENTS (CONTINUED) 3.1 Aircraft Activity .............................................................................................................................. 40 3.2 Hangar/Storage Building Activity .............................................................................................. 41 3.3 Camp Activity ................................................................................................................................. 41 3.3.1 Existing 75-person NARL Camp ........................................................................................... 41 3.3.2 K/D/R Facility at NARL Camp ............................................................................................ 42 3.3.3 40-person Camp near NARL Camp ...................................................................................... 43 3.4 Construction Activity..................................................................................................................... 43 3.4.1 Camps ........................................................................................................................................ 44 3.4.2 Airport Facilities ...................................................................................................................... 44 3.5 Vehicle Activity .............................................................................................................................. 44 3.6 NEPA Onshore Emissions Summary .......................................................................................... 45 4.0 References ........................................................................................................................................... 47 Tables Table 1. Discoverer Emission Units .......................................................................................................... 6 Table 2. Polar Pioneer Emission Unit Groupings ................................................................................... 9 Table 3. Support Vessels a ...................................................................................................................... 13 Table 4. Support Vessel Emission Units .............................................................................................. 14 Table 5. Support Vessel Annual Fuel Restrictions ............................................................................. 17 Table 6. Units with Emission Controls ................................................................................................. 18 Table 7. Emission Unit Groups with Source Test Emission Factors ................................................ 21 Table 8. Emission Unit Groups with Vendor Emission Factors ....................................................... 23 Table 9. EPA AP-42, Table 3.3-1, Emission Factors for Uncontrolled Diesel Industrial Engines 24 Table 10. EPA AP-42, Table 3.4-1, Gaseous Emission Factors for Large Stationary Diesel Engines .................................................................................................................................................................... 24 Table 11. Summary of EPA AP-42, Section 1.3 Fuel Oil Combustion Emission Factors ............... 24 Table 12. Summary of EPA AP-42, Section 2.1 Refuse Combustors Emission Factors ................. 25 Table 13. Table C-1 to Subpart C of Part 98—Default CO2 Emission Factors ................................. 26 Table 14. Table C-2 to Subpart C of Part 98—Default CH4 and N2O Emission Factors for Various Types of Fuel ............................................................................................................................................. 26 Table 15. Table A-1 to Subpart A of Part 98—Global Warming Potentials .................................... 26 Table 16. AQRP Projected Annual Emissions a ................................................................................... 29 Shell Chukchi Sea EP Revision 2 2 August 18, 2014 Appendix K TABLE OF CONTENTS (CONTINUED) Table 17. Particulate Matter Emission Controls .................................................................................. 32 Table 18. NEPA Offshore Projected Peak Hourly Emissions a ......................................................... 34 Table 19. NEPA Offshore Projected Annual Emissions a .................................................................. 37 Table 20. Support Aircraft Information ............................................................................................... 41 Table 21. Summary of EPA AP-42, Section 1.4 Natural Gas Combustion Emission Factors ....... 41 Table 22. Summary of John Deere POWERTECH Emission Factors ............................................... 42 Table 23. Summary of Emission Factors for the Additional Camp Generator ............................... 43 Table 24. NEPA Onshore Projected Hourly Emissions ..................................................................... 45 Table 25. NEPA Onshore Projected Annual Emissions ..................................................................... 46 Attachments Attachment A – AQRP Emission Inventory Attachment B – NEPA Offshore Emission Inventory Attachment C – NEPA Onshore Emission Inventory Attachment D - Emission Inventory Supporting Details Attachment E – Supplemental Information Attachment F – References Shell Chukchi Sea EP Revision 2 3 August 18, 2014 Appendix K EXECUTIVE SUMMARY This report identifies emissions units and emissions to the atmosphere associated with the Shell Gulf of Mexico Inc. (Shell) exploration drilling program at Outer Continental Shelf (OCS) lease blocks at the Burger Prospect in the Chukchi Sea. This document has been prepared to assist the Bureau of Ocean Energy Management (BOEM) in the assessment and authorization of air emissions attributable