Shell Exploration & Production Shell May 1, 2014 3601 C Street, Suite 1000 Anchorage, AK 99503 United States Department of the Interior Bureau of Ocean Energy Management Tel. (907) 646-7112 Attn: David Johnston Email [email protected] Regional Supervisor Leasing and Plans Internet http://www.Shell.com/ 3801 Centerpoint Drive, Suite 500 Anchorage, Alaska 99503-5823 Re: Requests for Additional Information – Chukchi Sea Exploration Plan, Revision 2 Dear Mr. Johnston: Shell Gulf of Mexico Inc. (Shell) provides the attached information in response to the requests for additional information from the Bureau of Ocean Energy Management dated January 14, 2014 on the above-referenced document. Please contact me at (907) 646-7112 or via e-mail at [email protected] for further information. Thank you, Susan Childs Alaska Venture Support Integrator, Manager Attachments: Bureau of Ocean Energy Management January 14, 2014 RFAI Responses; Shell Gulf of Mexico Inc. Chukchi Sea Exploration Plan, Revision 2 Shell Exploration & Production Table of Contents OPERATIONAL........................................................................................................................................... 1 RFAI No. 1 (Section 1.0, Page 1-1, Paragraph 1) ......................................................................................... 1 RFAI No. 2 (Section 1.0) .............................................................................................................................. 2 RFAI No. 3 (Section 1.0, Page 1-1) .............................................................................................................. 3 RFAI No. 4 (Section 1.0, Page 1-1, Footnote) .............................................................................................. 3 RFAI No. 5 (Section 1.0, Page 1-7, Figure 1.b-7) ........................................................................................ 4 RFAI No. 6 (Section 2.0, Page 2-1, Table 2.a-1) .......................................................................................... 4 RFAI No. 7 (Section 2.0 & 6.0, Tables 2.b-1, 6.1-1, 6.a-2, 6.a-3, 6.a-4, 6.a-5) ........................................... 5 RFAI No. 8 (Section 2.0, Page 2-2) .............................................................................................................. 5 RFAI No. 9 (Section 2.0, Page 2-2) .............................................................................................................. 6 RFAI No. 10 (Section 3.0) ............................................................................................................................ 7 RFAI No. 11 (Section 4.0) ............................................................................................................................ 7 RFAI No. 12 (Section 6.0) ............................................................................................................................ 8 RFAI No. 13 (Section 9.0) ............................................................................................................................ 9 RFAI No. 14 (Section 10.0, Page 10-1) ...................................................................................................... 10 RFAI No. 15 (Section 11.0, Page 11-1) ...................................................................................................... 10 RFAI No. 16 (Section 12.0, Page 12-1) ...................................................................................................... 11 RFAI No. 17 (Section 13.0, Page 13-1) ...................................................................................................... 14 RFAI No. 18 (Section 13.0, Page 13-1) ...................................................................................................... 15 RFAI No. 19 (Section 13.0, Page 13-1 & 13-2) ......................................................................................... 17 RFAI No. 20 (Section 13.0, Page 13-1) ...................................................................................................... 18 RFAI No. 21 (Section 13.0, Page 13-2) ...................................................................................................... 18 RFAI No. 22 (Section 13.0, Page 13-2) ...................................................................................................... 19 RFAI No. 23 (Section 14.0, Page 14-1) ...................................................................................................... 19 RFAI No. 24 (Appendix A, Rev. 1) ............................................................................................................ 20 RFAI No. 25 (Appendix L) ......................................................................................................................... 21 Bureau of Ocean Energy Management January 14, 2014 RFAI Responses Shell Gulf of Mexico Inc. Chukchi Sea Exploration Plan, Revision 2 Page i Shell Exploration & Production ENVIRONMENTAL .................................................................................................................................. 22 EFH ............................................................................................................................................................. 22 RFAI No. 1 (Section: EIA Fish and EFH, Page 4-5) .............................................................................. 22 Sociocultural/Subsistence ........................................................................................................................... 24 RFAI No. 1 (Section: EIA 2.3, Page 2-9) ............................................................................................... 24 RFAI No. 2 (Section: EP 5.0, Page 5.1) ................................................................................................. 31 RFAI No. 3 (Section: EIA 4.1.12 & 4.1.13, Page 4-26) ......................................................................... 31 RFAI No. 4 (Section: EIA Page 4-30) .................................................................................................... 32 RFAI No. 5 (Section: 2.0 Page 2-1) ........................................................................................................ 33 Archaeology ................................................................................................................................................ 41 RFAI No. 1 (Section: EP 13.0(a) Page 13-2) .......................................................................................... 41 RFAI No. 2 (Section: EIA 4.3.2 Page 4-47) ........................................................................................... 42 Birds ............................................................................................................................................................ 43 RFAI No. 1 (Section: EIA Preface, Page xviii) ...................................................................................... 43 RFAI No. 2 (Section: EP Appendix I, Page i) ........................................................................................ 43 RFAI No. 3 (Section: EP 13.0, Page 13-1) ............................................................................................. 44 RFAI No. 4 (Section: EP Attachment A, Page A-3) ............................................................................... 44 Oil Spill ....................................................................................................................................................... 45 RFAI No. 1 (Section: EP 13.0, Page 13-2) ............................................................................................. 45 General ....................................................................................................................................................... 46 RFAI No. 1 (Section: EP 5.6, Page 23) .................................................................................................. 46 RFAI No. 2 (Section: EP Table 6.c-2, Page 6-5) .................................................................................... 46 Bureau of Ocean Energy Management January 14, 2014 RFAI Responses Shell Gulf of Mexico Inc. Chukchi Sea Exploration Plan, Revision 2 Page ii Shell Exploration & Production AIR .............................................................................................................................................................. 48 RFAI No. 1.............................................................................................................................................. 48 RFAI No. 2.............................................................................................................................................. 49 RFAI No. 3.............................................................................................................................................. 49 RFAI No. 4.............................................................................................................................................. 50 RFAI No. 5.............................................................................................................................................. 51 RFAI No. 6.............................................................................................................................................. 55 RFAI No. 7.............................................................................................................................................