Docket Ind e x - No. EPA - R09 - OAR- 2015 - 0204 Page 1



### Approval and Promulgation of Implementation Plans; **Designation of Areas for Air Quality Planning Purposes;**  **California; S outh Coast**  **Moderate Area Plan and Reclassification**  **as Serious Nonattainment for**  **the 2006 PM 2.5**  

### NAAQS

(Docket No. EPA - R09 - OAR- 2015 - 0204 ) **A. Rulemaking Documents**  A - 1 Approval and Promulgation of Implementation Plans; California; South Coast Moderate Area Plan for the 2006 PM 2.5 NAAQS ; Proposed rule. Pre -publication version ( September 30 , 2015 ). A - 2 Air Division, EPA - Region 9, Technical Support Document for the Proposed Action on the South Coast 2012 PM 2.5 Plan and 2015 Supplement, September 2015 . A - 3 80 FR 63640 , Approval and Promulgation of Implementation Plans; California; South Coast Moderate Area Plan for the 2006 PM 2.5 NAAQS ; Proposed rule , (October 20, 2015). A - 4 Designation of Areas for Air Quality Planning Purposes; California; South Coast; Reclassification as Serious Nonattainment for the 2006 PM 2.5 NAAQS; final rule. Pre publication version (December 22, 2015). A - 5 Designation of Areas for Air Quality Planning Purposes; California; South Coast; Reclassification as Serious Nonattainment for the 2006 PM 2.5 NAAQS; final rule. 81 FR 1514 (January

13, 2016) . **B. S**  **tate I**  **mplementation Submittals**  **and Supporting Documents** B - 1. Letter, dated February 13 , 2013, James N. Goldstene, Executive Officer, California Air Resources Board, to Jared Blumenfeld, Regional Administrator, EPA Region 9, with enclosures . a. Letter, December 20 , 2012 , Barry Wallerstein, Executive Officer, South Coast Air Quality Management District , to James Goldstene, Executive Officer, CARB and Deborah Jordan, Director, Air Division, EPA Region IX. 1. 2 012 PM 2.5 Plan (December 19 , 2012) plus Appendices. 2. Proof of Publication from various Lo s Angeles area newspapers . 3. S CAQMD Governing Board Resolution 12 - 19 “ A Resolution of the South Coast Air Quality Management District (AQMD or District) Governing Board Certifying the Final Program Environmental Impact Report for the 2012 Air Quality Management Plan (AQMP), Adopting the Draft Final 2012 AQMP, to be referred to after adoption as the Final 2012 AQMP, and to be submitted into the California State Implementation Plan,” December 7 , 2012 . 4. South Coast response to comments on 2012 AQMP 5. S CAQMD Board minutes, December 7 , 2012. b. ARB Notice of Pub l ic Meeting to Consider Approval of the South Coast Air Basin 2012 P M 2.5 and Ozone State Implementation Plan s , December 21 , 2012 .Docket Ind e x - No. EPA - R09 - OAR- 2015 - 0204 Page 2

c. Board Meeting, State of California, Air Resources Board, Transcript of hearing, January 25 , 2013. d. CARB Resolution 13 - 3, South Coast PM2.5 State Implementation Plan, January 25 , 2013 . e. CARB “Staff Report on Proposed Revision s to the PM 2.5 and Ozone State Implementation Plan s for the South Coast Air Basin ,” Release Date: January 11 , 2013 . f. Public comments rec eived during CARB hearing on South Coast 20 12 PM 2.5 Plan, January 25 , 2013. B - 2. Letter, dated March 4 , 2015 , Richard W. Corey, Executive Officer, California Air Resources Board, to Jared Blumenfeld, Regional Administrator, EPA Region 9, with enclosures . a. Letter, date d February 11 , 2015 , Barry Wallerstein, D. Env., Executive Officer, SCAQMD, to Richard Corey, Executive Officer, CARB . 1. Final Supplement to the 24 - Hour PM2.5 State Implementation Plan for the South Coast Air Basin ( Feb r

uary 2015 ) . 2. Notice of Public Hearing s , Proposed Supplement to The 24 - Hour PM 2.5 State Implementation Plan (SIP) f or the South Coast Air Ba sin and Submission into the SIP, dated December 17 , 2014. 3. Proof of publication from various Los Angeles area newspapers 4. SCAQMD Governing Board Resolution 1 5 - 03 “A Resolution of the South Coast Air Quality Management District (SCAQMD) Governing Board approving the Supplement to the 24 - Hour PM 2.5 State Implementation Plan (SIP) for the South Coast Air Basin and Submittal into the SIP ,” February 6, 2015 . 5. Comments from SCAQMD Board Hearing on 2015 Supplement 6. SCAQMD Board minutes, February 6, 2015. b. Notice of Pub l ic Meeting to Consider a Minor Revision to the South Coast 2012 PM 2.5 State Implementation Plan, February 9, 201 5 . c. CARB “Staff Report, 2015 Update to the South Coast Air Basin 24 - Hour PM 2.5 Plan ,” Release Date: February

9 , 201 5 . d. CARB Board Resolution 15 - 2 , “Minor Revision to the South Coast Air Basin 2012 PM 2.5 State Implementation Plan , ” February 19, 2015 . e. CARB meeting transcript, February 19, 2015 Governing Board meeting. **C. EPA**  **Policy, Guidance**  **, Rulemaking Documents**  **, and Correspondence** C - 1. 52 FR 24663, Revisions to National Ambient Air Quality Standards for Particulate Matter, final rule (July

1, 1987). C - 2. 56 FR 58656, Recla ssification of Moderate PM - 10 Nonattainment Areas to Serious Areas , proposed rule (November 21, 1991) . C - 3. 57 FR 13498, State Implementation Plans; General Preamble for the Implementation of Title I of the Clean Air Act Amendments of 1990; General preamble for future proposed rulemakings. (April 16, 1992) .Docket Ind e x - No. EPA - R09 - OAR- 2015 - 0204 Page 3

C - 4. 57 FR 18070, State Implementation Plans; General Preamble for the Implementation of Title I of the Clean Air Act Amendments of 1990; Supplemental; General preamble for future proposed rulemakings. (April 2 8, 1992). C - 5. Memorandum dated September 29, 1992, John Calcagni, Director, Air Quality Management Division, Office of Air Quality Planning and Standards, EPA and William Laxton, Director, Technical Support Division, Office of Air Quality Planning and Standard s, EPA, to Air Division Directors, Region I - X, “Public Hearing Requirements for 1990 Base - Year Emissions Inventories for Ozone and Carbon Monoxide Nonattainment Areas.” C - 6. 58 FR 3334 , Reclassification of Moderate PM - 10 Nonattainment Areas to Serious Areas , final rule (Jan. 8, 1993). C - 7. 59 FR 41998, State Implementation Plans for Serious PM

– 10 Nonattainment Areas, and Attainment Date Waivers for PM

– 10 Nonattainment Areas Generally ; Addendum to the General Preamble for the Implementation of Title I of the Clean Air Act Amendments of 1990 . (August 16, 1994) . C - 8. 62 FR 15844, Approval and Promulgation of State Implementation Plan; Indiana; Direct final rule. (April 3, 1997) . C - 9. 62 FR 38856 , National Ambient Air Quality Standards for Particulate Matter; Final Rule. (July 18, 1997) . C - 10. 62 FR 66279, Approval and Promulgation of State Implementation Plan; Illinois; Final rule. (December 18, 1997) . C - 11. 63 FR 15920, Promulgation of Federal Implementation Plan for Arizona

—Phoenix Moderate Area PM

– 10; Disapproval of State Implementati on Plan for Arizona

—Phoenix Moderate Area PM

– 10; Proposed rule and withdrawal of 1996 proposed rule. (April 1, 1998) . C - 12. 63 FR 18978 , Emission Standards for Locomotives and Locomotive Engines , final rule (April 16, 1998) . C - 13. 63 FR 56968 , Control of Emissions of Air Pollution From Nonroad Diesel Engines , final rule (October 23, 1998) . C - 14. 65 FR 19964, Approval and Promulgation of Implementation Plans; Arizona- Maricopa County PM - 10 Nonattainment Area; Serious Area Plan for Attainment of the Annual PM - 10 Standard , propo sed rule (April 13, 2000). C - 15. 66 FR 586, Approval and Promulgation of Air Quality Implementation Plans; District of Columbia, Maryland, Virginia; Post 1996 Rate - of - Progress Plans, One - Hour Ozone Attainment Demonstrations and Attainment Date Extension for the Metropolitan Washington D.C. Ozone Nonattainment Area; Final rule. (January 3, 2001). C - 16. 66 FR 634, Approval and Promulgation of Air Quality Implementation Plans; Connecticut; One - Hour Ozone Attainment Demonstration and Attainment Date Extension for the Greater Connecticut Ozone Nonattainment Area; Final rule. (January 3, 2001) . C - 17. 66 FR 500 2 , Control of Air Pollution from New Motor Vehicles: Heavy- Duty Engine and Vehicle Standards and Highway Diesel Fuel Sulfur Control Requirements, final rule (January 18, 2001) .Docket Ind e x - No. EPA - R09 - OAR- 2015 - 0204 Page 4

C - 18. 66 FR 30811, Approval and Promulgation of Air Quality Implementation Plans; Rhode Island; Post - 1996 Rate of Progress; Direct final rule. (June 8, 2001) . C - 19. 66 FR 50252 Approval and Promulgation of Implementation Plans; Arizona- Maricopa County PM - 10 Nonattainment Area; Serious Area Plan for Attainment of the 24 - Hour PM - 10 Standard and Contingency Measures , Proposed Rule (October 2, 2001). C - 20. 67 FR 48718, Approval and Promulgation of Implementation Plans; Arizona - Maricopa County PM - 10 Nonattainment Area; Serious Area Plan for Attainment of the PM - 10 Standards , final rule (July 25, 2002). C - 21. 69 FR 5412, Approval and Promulgation of Implementation Plans for California

— San Joaquin Valley

PM - 10 Nonattainment Area; Serious Area Plan for Attainment of the 24 - Hour and Annual PM - 10 Standards; Proposed rule. (February 4, 2004) . C - 22. 69 FR 38958, Control of Emissions of Air Pollution from Nonroad Diesel Engiens and Fuel, final rule (June 29, 2004). C - 23. 69 FR 40004, Transportation Conformity Rule Amendments for the New 8 - hour Ozone and PM2.5 National Ambient Air Quality Standards and Miscellaneous Revisions for Existing Areas; Transportation Conformity Rule Amendments: Response to Court Decision and Additional Rule Changes; Final rule. (July 1, 2004). C - 24. 69 FR 43518, Revisions to the California State Implementation Plan, South Coast Air Quality Management District, final rule (July 21, 2004). C - 25. EPA, Air Quality

Criteria for Particulate Matter, No. EPA/600/P

–99/002aF and EPA/600/P

– 99/002bF, October 2004 , Chapter 3 . C - 26. 70 FR 944, Air Quality Designations and Classifications for the Fine Particles (PM2.5) National Ambient Air Quality Standards; Final r

ule. (January

5, 2005) . C - 27. 70 FR 24280, Transportation Conformity Rule Amendments for the New PM2.5 National Ambient Air Quality

Standard: PM2.5 Precursors, Final rule (May 6, 2005). C - 28. EPA, Emissions Inventory Guidance for Implementation of Ozone and Particulate Matter National Ambient Air Quality Standards (NAAQS) and Regional Haze Regulations , EPA

– 454/R

–05

–001, November 2005. C - 29. 70 FR 69081 , Approval and Promulgation of State Implementation Plans for Air Quality Planning Purposes; California

— South Coast and Coachella, final rule (November 14, 2005) C - 30. 71 FR 241, Revisions to the California State Implementation Plan, South Coast Air Quality Manag ement District, final rule (January 4, 2006). C - 31. 71 FR 61144, National Ambient Air Quality Standards for Particulate Matter, Final rule. (October 17, 2006) . C - 32. EPA, Guidance on the Use of Models and Other Analyses for Demonstrating Attainment of Air Quality Goal

s for Ozone, PM

2.5, and Regional Haze , EPA - 454/B - 07 - 002, April 2007. C - 33. 72 FR 29586, Clean Air Fine Particulate Implementation Rule; Final r ule. (April 25, 2007) . C - 34. 73 FR 28231 , Implementation of the New Source Review (NSR) Program for Particulate Matter Less Than 2.5 Micrometers (PM 2.5 ) (May 16, 2008).Docket Ind e x - No. EPA - R09 - OAR- 2015 - 0204 Page 5

C - 35. 73 FR 37096 , Control of Emissions of Air Pollution From Locomotive Engines and Marine Compression - Ignition Engines Less Than 30 Liters per Cylinder; Republication (June 30, 2008). C - 36. 73 FR 76947 , Revisions to the California State Implementation Plan, South Coast Air Quality Management District , final rule (December 18, 2008). C - 37. 74 FR 10176 , Approval and Promulgation of Implementation Plans; State of California; 2003 State Strategy

and 2003 South Coast Plan for One - Hour Ozone and Nitrogen Dioxide, final rule (March 10 , 2009) . C - 38. 74 FR 58688, Air Quality Designations for the 2006 24 - Hour Fine Particle (PM 2.5 ) National Ambient Air Quality

Standards; Final Rule. (November 13, 2009) . C - 39. 74 FR 67821, Revisions to the California State Implementation Plan, South Coast Air Quality Management District , final rule (December 21, 2009). C - 40. 75 FR 17254, Revisions to the General Conformity Regulations, final rule, (April 5, 2010) . C - 41. 76 FR 6328, Official Release of the January 2011 AP

–42 Method for Estimating Re Entrained Road Dust From Paved Roads; Announcement of Availability . (February 4, 2011). C - 42. Memorandum from Tyler Fox, Air Quality Modeling Group, OAQPS, EPA to Regional Air Program Managers, EPA, Subject: Update to the 24 Hour P M 2.5 NAAQS Modeled Attainment Test (June 28, 2011). C - 43. 76 FR 41562 , Approval and Promulgation of Implem entation Plans; California; 2007 South Coast PM 2.5 Plan and 2007 State Strategy ; Proposed rule. (July 1 4 , 2011). C - 44. Memorandum, dated July 21, 2011, from Gina McCarthy, Assistant Administrator, to Regional Air Division Directors, Regions 1 - 10, Subject: Revised Policy to Address Reconsideration of Interpollutant Trading Provisions for Fine Particles (PM 2.5 ) . C - 45. 76 FR 57872, Approval of Air Quality Implementation Plans; California; South Coast ; Attainment Plan for the 1997 8 - Hour Ozone Standard; Proposed rule. (September 16, 2011). C - 46. 76 FR 69928 , Approval of Air Quality Implementation Plans; California; South Coast; Attainment Plan for 1997 PM 2.5 , (November 9, 2011). C - 47. 77 FR 2228 , Revisions to the California State Implementation Plan, San Joaquin Valley United Air Pollution Control District (SJVUAPCD); Final rule. (January 17, 2012). C - 48. 77 FR 12674, Approval of Air Quality Implementation Plans; California; South Coast; Attainment Plan for 1997 8 - Hour Ozone Standard, (March 1, 2012 ) . C - 49. Memorandum from Stephen D. Page, Director, Office of Air Quality Planning and Standards, to EPA Regional Air Directors, Regions I - X re: “Implementation Guidance for the 2006 24 - Hour Fine Particle (PM2.5) National Ambient Air Quality Standards (NAAQS)” ( March 2, 2012 ) (withdrawn June 6, 2013) . C - 50. 77 FR 71129, Revisions to the California State Implementation Plan, San Joaquin Valley United Air Pollution Control District (SJVUAPCD) and South Coast Air Quality Management District (SCAQMD) . (November 29, 2012) .Docket Ind e x - No. EPA - R09 - OAR- 2015 - 0204 Page 6

C - 51. EPA, Regulatory

Impact Analysis for the Final Revisions to the National Ambient Air Quality Standards for Particulate Matter (EPA - 452/R- 12 - 005, December 2012). C - 52. 78 FR 3086, National Ambient Air Quality Standards for Particulate Matter; Final rule. (January 15, 2013) . C - 53. 78 FR 14533, Official Release of EMFAC2011 Motor Vehicle Emission Factor Model for Use in the State of California; Announcement of Availability . (March 6, 2013). C - 54. 78 FR 30768, Revisions to the California State Implementation Plan, South Coast Air Quality Management District; Final rule. (May 23, 2013). C - 55. Memorandum, Stephen D. Page, Director, Office of Air Quality Planning and Standards , to EPA Regional Air Directors , Regions I - X , Withdrawal of Implementation Guidance for the 2006 24 - Hour Fine Particle (PM2.5) National Ambient Air Quality Standards (NAAQS)(June 6, 2013 ). C - 56. 78 FR 64402, Approval and Promulgation of Implementation Plans; California; South Coast; Contingency

Measures for 1997 PM 2.5 Standards, final rule (October 29, 2013). C - 57. 78 FR 69806, Identification of Nonattainment Classification and Deadlines for Submission of State Implementation Plan (SIP) Provisions for the 1997 Fine Particle (PM 2.5 ) National Ambient Air Quality

Standard (NAAQS) and 2006 PM 2.5 NAAQS; Proposed rule. (November 21, 2013) . C - 58. 79 FR 31566, Identification of Nonattainment Classification and Deadlines for Submission of State Implementation Plan (SIP) Provisions for the 1997 Fine Particle (PM 2.5 ) National Ambient Air Quality

Standard (NAAQS) and 2006 PM 2.5 NAAQS; Final rule. (June 2, 2014) . C - 59. 80 FR 2206, Air Quality Designations for the 2012 Primary Annual Fine Particle (PM 2.5 ) National Ambient Air Quality Standards, final rule (January 15, 2015). C - 60. 80 FR 18528, Designation of Areas for Air Quality Planning Purposes; California; San Joaquin Valley ; Reclassification as Serious Nonattainment for the 1997 PM 2.5 Standards , final rule. (April 7, 2015). C - 61. 80 FR 13495 , Revisions to the California State Implementation Plan, South Coast Air Quality Management District; Final rule (March 16, 2015). C - 62. 80 FR 15339 , Fine Particulate Matter National Ambient Air Quality Standards: State Implementation Plan Requirements; Proposed R ule (March 23, 2015). C - 63. 80 FR 24821, Approval of Air Quality Implementation Plans; California; South Coast Air Quality Management District; Stationary Source Permits, Final rule (May 1, 2015). C - 64. 80 FR 39966, Revisions to the California State Implementation Plan, South Coast Air Quality Management District; Final rule (July 13, 2015 ). C - 65. 80 FR 40195, Revisions to the California State Implementation Plan, South Coast Air Quality Management District; Final rule (July 14, 2015 ).Docket Ind e x - No. EPA - R09 - OAR- 2015 - 0204 Page 7

**C. Additional EPA Policy, Guidance, Rulemaking Documents, and Correspondence Used for Final**  **Reclassification** C - 66 **.** 56 FR 58651, Reclassification of Moderate PM - 10 Nonattainment Areas to Serious Areas , notice of proposed rulemaking (November 21, 1991). C - 67. 58 FR 3334, Reclassification of Moderate PM - 10 Nonattainment Areas to Serious Areas , final rule (January

8, 1993). C - 68. 78 FR 41698 , Approval and Promulgation of Air Quality Implementation Plans; Indiana; Redesignation of the Indianapolis Area to Attainment of the 1997 Annual Standard for Fine Particulate Matter (July

11, 2013). C - 69. 80 FR 2206, Air Quality Designations for the 2012 Primary Annual Fine Particle (PM 2.5 ) National Ambient Air Quality Standards (NAAQS); Final Rule (January 15, 2015). C - 70. 80 FR 18528 Designation of Areas for Air Quality Planning Purposes; California; San Joaquin Valley ; Reclassification as Serious Nonattainment for the 1997 PM 2.5 Standards , final rule (April 7, 2015). **D .**  **State Rules, Support Documents, Reports and Co rrespondence**  D - 1. SCAQMD Test Method 5.1, Determination of Particulate Matter Emissions from Stationary Sources Using a Wet Impingement Train, March 1989. D - 2. SCAQMD Test Method 5.2, Determination of Particulate Matter Emissions from Stationary Sources Using Heated Probe and Filter, March 1989. D - 3. SCAQMD Test Method 5.3, Determination of Particulate Matter Emissions from Stationary Sources Using an in - Stack Filter, October 2005. SCAQMD Protocol, Determination of Particulate and Volatile Organic Compound Emissions from Restaurant Operations, November 14, 1997 (available at http://yosemite.epa.gov/R9/R9Testmethod.nsf/0/3D4DEB4D21AB4AAF882570AD00 5DFF69/$file /SC%20Rest%20emiss.pdf ). D - 4. South Coast Rule 223, Emission Reduction Permits for Large Confined Animal Facilities, ( adopted June 2, 2006 ). D - 5. S outh C oast Rule 1 1 33.2, Emission Reductions From Co - composting Operations ( adopted January 10, 2003 ). D - 6. S outh C oast Rule 1 1 33.3, Emission Reductions From Greenwaste Composting Operations ( adopted July

8, 2011 ). D - 7. S outh C oast Rules 444, Open Burning and 445, Wood- Burning Devices rule evaluation form . D - 8. S outh Coast Rules 444/445 staff report , SCAQMD, May 2013. D - 9. Letter dated June 11, 2013, from Edie Chang, Deputy Executive Officer, California Air Resources Board, to Jared Blumenfeld, Regional Administrator, EPA Region 9, transmitting South Coast Rules 444 and 445.Docket Ind e x - No. EPA - R09 - OAR- 2015 - 0204 Page 8

D - 10. South Coast Rule 1130 , Graphic Arts (adopted May 2, 2014). D - 11. South Coast Rule 1168 , Adhesive and Sealant Applications (adopted January 7, 2005). D - 12. South Coast Rule 1114 , Petroleum Refinery Coking Operations (adopted May 3, 2013). D - 13. South Coast Rule 1105.1 , Reduction of PM10 and Ammonia Emissions from Fluid Cataly tic Cracking Units (adopted November 7, 2003). D - 14. South Coast Rule 1127 , Emission Reductions from Livestock Waste (adopted August 6, 2004). D - 15. South Coast Rule 1140 , Abrasive Blasting (adopted August 2, 1985). D - 16. South Coast Rule 1112.1 , Emissions of Particulate Matter and Carbon Monoxide from Cement Kilns (Amended December 4, 2009). D - 17. US EPA Region IX Air Division, Technical Support Document for EPA’s Proposed Rulemaking for the California State Implementation Plan South Coast Air Quality Management District Rule 113 0 , Graphic Arts , June 1, 2015. D - 18. US EPA Region IX Air Division, Technical Support Document for EPA’s Direct Final Rulemaking for the California State Implementation Plan South Coast Air Quality Management District Rule 1146 and 1146.1, Emissions of Oxides ofNitrogen from Industrial, Institutional, and Commercial Boilers, Steam Generators, and Process Heaters and Emissions of Oxides of Nitrogen from Small Industrial, Institutional, and Commercial Boilers, Steam Generators, and Process Heaters , July

2014. D - 19. US EPA Region IX Air Division, Technical Support Document for EPA’s Direct Final Rulemaking for the California State Implementation Plan South Coast Air Quality Management District Rule 1171, Solvent Cleaning Operations , June 2011. D - 20. US EPA Region IX Air Division, Technical Support Document for EPA’s Proposed Rulemaking for the California State Implementation Plan, South Coast Air Quality Management District Amended Rule 1133.1 (Chipping and Grinding Activities) and Rule 1133.3 (Emission Reductions from Greenwaste Composting Operations), April 26, 2012 . D - 21. Letter dated July 28, 2015 from Barry Wallerstein , Executive Officer, South Coast Air Quality Management District, to Elizabeth Adams, Acting Director, US EPA Region 9 Air Division. D - 22. Email dated July

23, 2015, from Stanley

Tong to Wienke Tax, 7 transmitting email from Joseph Cassmassi, SCAQMD Planning and Rules Manager, to Stanley Tong, USEPA Region 9, regarding SCAQMD RACT analysis. a. Email dated November 25, 2014 from Joseph Cassmassi, S CAQMD, to Stanley Tong, USEPA Region 9, regarding SCAQMD RACT anal ys is. D - 23. Memorandum dated August 21, 2015, from Michael Flagg, Air Quality Analysis Office, EPA Region 9, to Docket EPA - R09 - OAR- 2015 - 0204 re: Practicability of the Los Angeles

– South Coast 20 15 attainment of the 2006 24 - hour PM 2.5 NAAQS. a. Attachment, excel spreadsheet “ South Coast and Practicability of Attaining the 2006 24 - hour PM2.5 NAAQS by

the End of 2015 . ”Docket Inde x - No. EPA- R09 - OAR- 2015 - 0204 Page 9

**E. Other**  **Documents** Letter dated September 4, 2015 , from Elizabeth Adams, Acting Director, Air Division, EPA E - 1. Region 9, to Luther Salgado, Sr., Tribal Chairman, Cahuilla Band of Indians. Letter dated Septemb er 4, 2015 , from Elizabeth Adams, Acting Director, Air Division, EPA E - 2. Region 9, to Robert Martin, Tribal Ch airperson, Morongo Band of Cahuilla Mission I ndians. Letter dated Septemb er 4, 2015 , from Elizabeth Adams, Acting Director, Air Division, EPA E - 3. Region 9, to Mark Macarro, Tribal Chairman, Pechanga Band of Luiseno Mission I ndians. Letter dated September 4, 20 15 , from Elizabeth Adams, Acting Director, Air Division, EPA E - 4. Region 9, to Joseph Hamilton, Tribal Chairman, Ramona Band of Cahuilla Indians. Letter dated September 4, 2015 , from Elizabeth Adams, Acting Director, Air Division, EPA E - 5. Region 9, to Lynn Valbuena , Tribal Chairperson, San Manuel Band of Serrano Mission Indians. Letter dated Septemb er 4, 2015 , from Elizabeth Adams, Acting Director, Air Division, EPA E - 6. Region 9, to John Marcus, Tribal Chairman, Santa Rosa Band of Cahuilla Indians. Letter dated Septemb er 4, 2015 , from Elizabeth Adams, Acting Director, Air Division, EPA E - 7. Region 9, to Rosemary Morillo, Tribal Chairperson, Soboba Band of Luiseno Indians. **F. Public Comments on the NPRM** F - 1. Letter dated November 19, 2015 to Ms. Wienke Tax, US Environmental Protection Agency Region 9, from Adriano L. Martinez, Earthjustice, L os Angeles Office, with attachments.