                                         
 State SIP Submittal Documents
 South Coast On-Road Heavy-Duty Vehicle Incentive Measure Report, Release Date: February 16, 2018 ("Demonstration").    
 South Coast Incentive Measure Errata Sheet, March 19, 2018.
 Additional Information for the South Coast On-Road Heavy-Duty Vehicle Incentive Measure (submitted May 4, 2018).
 Public Meeting Notice, February 16, 2018.
 California Air Resources Board (CARB) Resolution No. 18-3, "South Coast On-Road Heavy Duty Vehicle Incentive Measure," adopted March 22, 2018. 
 Board Hearing Transcript, March 22, 2018.
 Comment Log and SoCalGas Letter.
 Comment Letter Received at Board Hearing.
 SIP Completeness Checklist.
 Letter dated May 2, 2018, from Richard W. Corey, Executive Officer, CARB, to Alexis Strauss, Acting Regional Administrator, EPA Region IX (submitting South Coast On-Road Heavy-Duty Vehicle Incentive Measure).
 Letter dated November 23, 2020, from Richard W. Corey, Executive Officer, CARB, to John W. Busterud, Regional Administrator, EPA Region IX (enclosing CARB, Executive Order S-20-030, "Adoption and Submittal of Technical Clarifications to the South Coast On-Road Heavy-Duty Incentive Measure," adopted November 23, 2020). 
          
 Federal Register Notices
    Note: Federal Register notices published after 1994 are readily available online at www.federalregister.gov. Links to individual notices published after 1994 are included in this index below. Electronic copies of notices published in or before 1994 are included in the docket.
    
Federal Register Notices Considered for Proposed Rule
 Economic Incentive Program Rules; Final rule. 59 Fed. Reg. 16690 (April 7, 1994).
 National Ambient Air Quality Standards for Ozone; Final rule and guidance. 62 Fed. Reg. 38856 (July 18, 1997).
 Air Quality Designations and Classifications for the 8-Hour Ozone National Ambient Air Quality Standards; Early Action Compact Areas With Deferred Effective Dates; Final rule. 69 Fed. Reg. 23858 (April 30, 2004).
 Designation of Areas for Air Quality Planning Purposes; California; San Joaquin Valley, South Coast Air Basin, Coachella Valley, and Sacramento Metro 8-Hour Ozone Nonattainment Areas; Reclassification; Final rule. 75 Fed. Reg. 24409 (May 5, 2010).
 Approval of Air Quality Implementation Plans; California; South Coast; Attainment Plan for 1997 8-Hour Ozone Standards; Final rule. 77 Fed. Reg. 12674 (March 1, 2012). 
 Air Quality Designations for the 2008 Ozone National Ambient Air Quality Standards; Final rule. 77 Fed. Reg. 30088 (May 21, 2012).
 Approval of Air Quality Implementation Plan Revisions; State of California; South Coast VMT Emissions Offset Demonstrations; Final rule. 79 Fed. Reg. 52539 (September 3, 2014).
 Additional Air Quality Designations for the 2015 Ozone National Ambient Air Quality Standards; Final rule. 83 Fed. Reg. 25776 (June 4, 2018).
          
Federal Register Notices Considered for Final Rule
 Revisions to the California State Implementation Plan, San Joaquin Valley Unified Air Pollution Control District; Final rule. 75 Fed. Reg 24409 (May 5, 2010).  
 Approval and Promulgation of Implementation Plans; California; 2008 San Joaquin Valley PM2.5 Plan and 2007 State Strategy; Final rule. 76 Fed. Reg. 69896 (November 9, 2011).
 Approval and Promulgation of Air Quality Implementation Plans; California; Determinations of Failure To Attain the One-Hour Ozone Standard; Final rule. 76 Fed. Reg. 82133 (December 30, 2011).
 Approval of Air Quality Implementation Plans; California; San Joaquin Valley; Attainment Plan for 1997 8-Hour Ozone Standards; Final rule. 77 Fed. Reg. 12652 (March 1, 2012).
 Approval of Air Quality Implementation Plans; California; South Coast; Attainment Plan for 1997 8-Hour Ozone Standards; Final rule. 77 Fed. Reg. 12674 (March 1, 2012).
 Approval and Promulgation of Implementations Plans; California Air Resources Board -- In-Use Heavy-Duty Diesel-Fueled Truck and Bus Regulation, and Drayage Truck Regulation; Final rule. 77 Fed. Reg. 20308 (April 4, 2012).
 Approval of Air Quality Implementation Plans; California; South Coast Air Basin; 1-Hour and 8-Hour Ozone Nonattainment Area Requirements; Proposed rule. 84 Fed. Reg. 28132 (June 17, 2019).
 Approval of Air Quality Implementation Plans; California; South Coast Air Basin; 1-Hour and 8-Hour Ozone Nonattainment Area Requirements; Final rule. 84 Fed. Reg. 52005 (October 1, 2019).
          
 EPA Guidance Documents, Additional Documents Considered for Proposed Rule, and Correspondence
 Environmental Protection Agency (EPA), Region IX, Air Division, "Technical Support Document for EPA's Rulemaking for the California State Implementation Plan, California Air Resources Board Resolution 18-3, South Coast On-Road Heavy-Duty Vehicle Incentive Measure," April 2019. 
 Memorandum from Richard D. Wilson, Acting Assistant Administrator, EPA Office of Air and Radiation to EPA Regional Administrators, Regions 1-10, "Guidance on Incorporating Voluntary Mobile Source Emission Reduction Programs in State Implementation Plans (SIPs)," October 24, 1997 ("1997 VMEP"). 
 EPA, "Improving Air Quality with Economic Incentive Programs," January 2001 (EPA-452/R- 01-001) ("2001 EIP Guidance").
 EPA, "Incorporating Emerging and Voluntary Measure in a State Implementation Plan (SIP)," October 4, 2004 ("2004 Emerging and Voluntary Measures Guidance"). 
 Memorandum from Stephen D. Page, Director, EPA Office of Air Quality Planning and Standards (OAQPS) and Margo Tsirigotis Oge, Director, EPA Office of Transportation and Air Quality to EPA Air Division Directors, "Guidance on Incorporating Bundled Measures in a State Implementation Plan," August 16, 2005 ("2005 Bundled Measures Guidance").
 EPA, "Roadmap for Incorporating Energy Efficiency/Renewable Energy Policies and Programs into State and Tribal Implementation Plans," July 2012 (EPA-456/D-12-001a) ("2012 EE/RE Guidance").
 EPA, "Diesel Retrofits: Quantifying and Using Their Emission Benefits in SIPs and Conformity: Guidance for State and Local Air and Transportation Agencies," February 2014 (EPA-420-B-14-007) ("2014 Diesel Retrofits Guidance").
 EPA, "Guidance on Enforceability Requirements for Limiting Potential to Emit through SIP and Section 112 Rules and General Permits," January 25, 1995, 5-6.
 Memorandum from J. Craig Potter, Assistant Administrator, EPA Office of Air and Radiation to Thomas L. Adams Jr., Assistant Administrator, EPA Office of Enforcement and Compliance Monitoring, "Review of State Implementations Plans and Revisions for Enforceability and Legal Sufficiency," September 23, 1987 ("Potter Memo").
 CARB, The Carl Moyer Program Guidelines, 2017 Revisions, approved April 27, 2017 ("2017 Carl Moyer Guidelines"), chapters 1, 2, 3, and 4 and appendices B, C, and D.
 South Coast Air Quality Management District (SCAQMD) 2017 Carl Moyer Memorial Air Quality Standards Attainment Program, Program Announcement, Year 19, SCAQMD Program Announcement #PA2017-04.
 Docket Index, Air Plan Approval; California; South Coast Air Quality Management District, CARB Resolution No. 18-3 South Coast On-Road Heavy-Duty Vehicle Incentive Measure. 
 Memorandum dated June 28, 2019, from Wienke Tax, EPA Region IX, Air Division, Air Planning Office to Docket ID no. EPA-R09-OAR-2019-0176, Subject: "EPA proposal on South Coast on-road heavy-duty vehicle incentive measure."
 Memorandum dated September 16, 2020, from Rebecca Newhouse, EPA Region IX, Air and Radiation Division, Rules Office to Docket ID nos. EPA-R09-OAR-2019-0176 and EPA-R09-OAR-2020-0079, and attachments, Subject: "Follow-up call re: emissions projections in San Joaquin Valley PM2.5 Plan; EPA questions and recommendations pertaining to Valley Incentive Measure and South Coast Incentive Measure." 
 Memorandum dated October 5, 2020, from Rebecca Newhouse, EPA Region IX, Air and Radiation Division, Rules Office to Docket ID nos. EPA-R09-OAR-2019-0176 and EPA-R09-OAR-2020-0079, and attachments. Subject: "Follow-up call re: EPA questions and recommendations pertaining to South Coast Incentive Measure and Valley Incentive Measure." 
 Email dated February 13, 2020, from Austin Hicks, CARB, to Rynda Kay, EPA Region IX, Subject: "RE: Follow-up questions on the Valley Incentive Measure."
 Email dated September 15, 2020, from Rebecca Newhouse, EPA Region IX, to Austin Hicks, CARB, Subject: "Follow-up from our 9/10 call," including attachments.
 Email dated October 2, 2020, from Austin Hicks, CARB, to Rebecca Newhouse, EPA Region IX, Subject: "RE: questions on SC Incentive Measure emission reduction calculations."
 Email dated October 13, 2020, from Austin Hicks, CARB, to Rebecca Newhouse, EPA Region IX, Subject: "RE: questions on SC Incentive Measure emission reduction calculations."
 Email dated October 13, 2020, from Austin Hicks, CARB, to Rebecca Newhouse, EPA Region IX, Subject: "Part 1: RE: 9/10 meeting: suggested agenda and request for Carl Moyer drayage project documentation," including attachments.
 Email dated October 13, 2020, from Austin Hicks, CARB, to Rebecca Newhouse, EPA Region IX, Subject: "Part 2: RE: 9/10 meeting: suggested agenda and request for Carl Moyer drayage project documentation," including attachments. 
 Email dated November 13, 2020, from Austin Hicks, CARB, to Rebecca Newhouse, EPA Region IX, Subject: "RE: update on timing of submittals."
 Memorandum dated December 2, 2020, from Elizabeth Adams, EPA Region 9, Air and Radiation Division, Air Planning Office to Docket ID no. EPA-R09-OAR-2019-0176, Subject: "CARB's substitute measure commitment."
          
 Proposed Rule and Technical Support Document
 Air Plan Approval; California; South Coast Air Quality Management District; Proposed rule. 84 Fed. Reg. 17365 (April 25, 2019).
 EPA, Region IX, Air Division, "Technical Support Document for EPA's Rulemaking for the California State Implementation Plan, California Air Resources Board Resolution 18-3, South Coast On-Road Heavy-Duty Vehicle Incentive Measure," April 2019.
          
 Public Comments
 Anonymous comment received May 28, 2019.
 Comment letter dated and received May 28, 2019, on the EPA's April 25, 2019 proposed rule from Adriano L. Martinez, Earthjustice, to Rynda Kay, EPA.
          
 Additional Documents Considered for Final Rule

Court Decisions 
 Friends of the Earth v. Carey, 535 F.2d 165 (2d Cir. 1976).
 Friends of the Earth v. Carey, 552 F.2d 25 (2d Cir. 1977).
 Beame v. Friends of the Earth, 434 U.S. 902 (1977).
 Bethlehem Steel Corp. v. Gorsuch, 742 F.2d 1028, 1036 (7th Cir. 1984).
 American Lung Ass'n of N.J. v. Kean, 670 F. Supp. 1285 (D.N.J. 1987).
 Natural Resources Defense Council (NRDC), Inc. v. N.Y. State Dept. of Env. Cons., 668 F. Supp. 848 (S.D.N.Y. 1987).
 American Lung Ass'n of N.J. v. Kean, 871 F.2d 319 (3rd Cir. 1989).
 Citizens for a Better Env't v. Deukmejian, 731 F. Supp. 1448 (N.D. Cal. 1990).
 Citizens for a Better Env't v. Deukmejian, 746 F. Supp. 976 (N.D. Cal. 1990).
 Coalition Against Columbus Ctr. v. City of New York, 967 F.2d 764, 769-71 (2d Cir. 1992)
 Cate v. Transcontinental Gas Pipe Line Corp., 904 F. Supp. 526, 530-32 (W.D. Va. 1995)
           Conservation Law Foundation, Inc. v. James Busey et al., 79 F.3d 1250 (1st Cir. 1996).
 Wilder v. Thomas, 854 F.2d 605, 613 (2d Cir. 1998). 
 Coalition for Clean Air v. South Coast Air Quality Mgt. Dist., No. CV 97 - 6916 - HLH (C.D. Cal. Aug. 27, 1999). 
 NRDC v. EPA, 779 F.3d 1119, 1124 (9th Cir. 2015).
 Committee for a Better Arvin, et al. v. EPA, 786 F.3d 1169 (9th Cir. 2015).
          
EPA Rulemakings and Guidance Documents
 Memorandum to docket for rulemaking, "State Implementation Plans: Response to Petition for Rulemaking; Findings of Substantial Inadequacy; and SIP Calls to Amend Provisions Applying to Excess Emissions During Periods of Startup, Shutdown, and Malfunction," Subject: Statutory, Regulatory, and Policy Context for this Rulemaking, EPA-HQ-OAR-2012-0322 (February 4, 2013).
 Memorandum from Janet McCabe, Deputy Assistant Administrator, EPA Office of Air and Radiation, to Air Division Directors, EPA Regions 1-10, including attachments ("Guidelines to States Agencies for Preparing the Public Notices for State Implementation Plan (SIP) Revisions"), November 22, 2011.
 EPA, "Emissions Inventory Guidance for Implementation of Ozone and Particulate Matter National Ambient Air Quality Standards (NAAQS) and Regional Haze Regulations," May 2017. (EPA-454/B-17-002).
 Memorandum from Stephen D. Page, Director, Office of Air Quality Planning and Standards, to Regional Air Division Directors, Regions I-X, including attachments ("Guidance on Developing Fee Programs Required by Clean Air Act Section 185 for the 1-hour Ozone NAAQS"), January 5, 2010.
 EPA, "Diesel Retrofits and Replacement Projects: Quantifying and Using Their Emission Benefits in SIPs and Conformity: Guidance for State and Local Air and Transportation Agencies," March 2018 (EPA-420-B-18-017) ("2018 Diesel Retrofits Guidance"). 
          
Other Documents 
 CARB, "EMFAC2014 Volume III  -  Technical Documentation," v.1.0.7, May 12, 2015. 
 EPA Region IX, "Technical Support Document, Approval of Air Quality Implementation Plans; California; South Coast Air Basin; 1-Hour and 8-Hour Ozone Nonattainment Area Requirements, Docket: EPA-R09-OAR-2019-0051, Additional Supporting Information for Notice of Proposed Rulemaking," May 22, 2019. 
 SCAQMD, 2016 Air Quality Management Plan (AQMP), Chapter 4, "Control Strategy and Implementation," March 2017. 
 SCAQMD, 2016 AQMP, Appendix III, "Base and Future Year Emission Inventory," March 2017.
 SCAQMD Rule 317, "Clean Air Act Non-Attainment Fees," as amended February 4, 2011. 
 Letter dated March 30, 2020, from Michael Benjamin, CARB, to Amy Zimpfer, EPA Region 9 (transmitting "South Coast On-Road Heavy-Duty Vehicle Incentive Measure (2019 Progress Report)") and enclosures: 
 2019 Progress Report
 Appendix A
 Appendix B
 CARB, "Appendix A.3: Completed Moyer Reduced Project Information & Emissions Reductions" (Excel version of Appendix A to 2019 Progress Report). Available at https://ww2.arb.ca.gov/resources/documents/implementation-state-sip-strategy.
 Letter dated September 3, 2020, from Philip Fine, Deputy Executive Officer, SCAQMD to Elizabeth Adams, Director, Air and Radiation Division, EPA Region IX, including attachments (transmitting Rule 317 Section 172(e) Fee Equivalency Account (FEA) Reconciliation Reports).  
 Attachment A: Rule 317 172(e) FEA Fee Assessment Year (FAY) 2015 Reconciliation Report for South Coast Air Basic (SOCAB)
 Attachment B: Rule 317 172(e) FEA FAY 2016 Reconciliation Report for SOCAB 
 Attachment C: Rule 317 172(e) FEA FAY 2017 Reconciliation Report for SOCAB 
 Attachment D: Rule 317 172(e) FEA FAY 2018 Reconciliation Report for SOCAB 
 Attachment E: Rule 317 172(e) FEA FAY 2019 Reconciliation Report for SOCAB 
 Letter dated February 6, 2020, from Richard W. Corey, Executive Officer, CARB, to Mike Stoker, Regional Administrator, EPA Region IX, including enclosures (transmitting to the EPA on February 18, 2020, "Facility-Based Mobile Source Measures for Commercial Airports," adopted by the SCAQMD on December 6, 2019, and by CARB on February 6, 2020).

 Final Rule, Response to Comments Document, and Supporting Analysis
 Air Plan Approval; California; South Coast Air Quality Management District; Final rule. 86 Fed. Reg. 3820 (January 15, 2021).
 EPA, Region IX, "Response to Comments Document for the EPA's Final Action on the South Coast Incentive Measure," December 2020. 
 Memorandum dated November 18, 2020, from Rebecca Newhouse, EPA Region IX, Air and Radiation Division, Rules Office to docket number EPA - R09 - OAR - 2019 - 0176, Subject: "Sample emission reduction calculations for selected Carl Moyer Heavy-Duty On-Road projects." 
          
    

