Docket Index Table of Contents
A.	U.S. EPA Rulemakings, Guidance Documents, Informational Memoranda, Technical Support Documents, Memoranda to File, and Data Analysis Documents	1
B.	State Plans, Rules, Support Documents, Reports, and Correspondence	4
C.	Additional Documents for Proposed Rulemaking	10
D.	Notice of Proposed Rulemaking	10
E.	Public Comments and Related Documents	10
F.	Additional Documents Considered for Final Rulemaking	11
G.	Notice of Final Rulemaking	11

U.S. EPA Rulemakings, Guidance Documents, Informational Memoranda, Technical Support Documents, Memoranda to File, and Data Analysis Documents
Rulemakings
57 FR 13498, State Implementation Plans; General Preamble for the Implementation of Title I of the Clean Air Act Amendments of 1990 ("General Preamble"), Final rule (April 16, 1992).
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 Supplement"), Final rule (April 28, 1992).
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 ("General Preamble Addendum"), Final rule (August 16, 1994).
62 FR 38652, National Ambient Air Quality Standards for Particulate Matter; Final rule (July 18, 1997).
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).
70 FR 944, Air Quality Designations and Classification for the Fine Particles (PM2.5) National Ambient Air Quality Standards; Final rule (January 5, 2005). 
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).
70 FR 31354, Transportation Conformity Rule Amendments for the New PM2.5 National Ambient Air Quality Standard: PM2.5 Precursors; Final rule; correction (June 1, 2005).
71 FR 61144, National Ambient Air Quality Standards for Particulate Matter; Final rule (October 17, 2006).
72 FR 20586, Clean Air Fine Particle Implementation Rule; Final rule (April 25, 2007).
75 FR 26653, Approval and Promulgation of Air Quality Implementation Plans; Reformulated Gasoline and Diesel Fuels; California; Final rule (May 12, 2010).
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). More information available at: https://www.epa.gov/air-emissions-factors-and-quantification/ap-42-compilation-air-emissions-factors.
76 FR 69896, Approval and Promulgation of Implementation Plans; California; 2008 San Joaquin Valley PM2.5 Plan and 2007 State Strategy; Final rule (November 9, 2011).
77 FR 20308, Approval and Promulgation of Implementation Plans; California Air Resources Board -- In-Use Heavy-Duty Diesel-Fueled Truck and Bus Regulation, and Drayage Truck Regulation; Final rule (April 4, 2012).
78 FR 3086, National Ambient Air Quality Standards for Particulate Matter; Final rule (January 15, 2013).
79 FR 31566, Identification of Nonattainment Classification and Deadlines for Submission of State Implementation Plan (SIP) Provisions for the 1997 Fine Particle (PM2.5) National Ambient Air Quality Standard (NAAQS) and 2006 PM2.5 NAAQS; Final rule (June 2, 2014).
80 FR 18528, Designation of Areas for Air Quality Planning Purposes; California; San Joaquin Valley; Reclassification as Serious Nonattainment for the 1997 PM2.5 Standards, Final rule (April 7, 2015).
80 FR 77337, Official Release of EMFAC2014 Motor Vehicle Emission Factor Model for Use in the State of California; Notice of availability (December 14, 2015).
81 FR 6936, Approval and Disapproval of California Air Plan; San Joaquin Valley Serious Area Plan and Attainment Date Extension for the 1997 PM2.5 NAAQS, Proposed rule (February 9, 2016).
81 FR 39424, Approval and Promulgation of Implementation Plans; California; California Mobile Source Regulations; Final rule (June 16, 2016).
81 FR 58010, Implementation of the National Ambient Air Quality Standards (NAAQS) for Fine Particulate Matter (PM2.5): State Implementation Plan (SIP) Requirements; Final rule ("PM2.5 SIP Requirements Rule") (August 24, 2016). Also available at: https://www.regulations.gov/document?D=EPA-HQ-OAR-2013-0691-0126. 
81 FR 69396, Denial of Request for Extension of Attainment Date for 1997 PM2.5 NAAQS; California; San Joaquin Valley Serious Nonattainment Area; Final rule (October 6, 2016).
81 FR 84481, Findings of Failure to Attain the 1997 PM2.5 Standards; California; San Joaquin Valley, Final rule (November 23, 2016).
82 FR 14446, Approval and Promulgation of Implementation Plans; California; California Mobile Source Regulations; Direct final rule (March 21, 2017).
83 FR 23232, Approval and Promulgation of Implementation Plans; California; California Mobile Source Regulations; Final rule (May 18, 2018).
83 FR 62720, Findings of Failure To Submit Complete State Implementation Plans Required for the 1997, 2006, and 2012 PM2.5 NAAQS; California; San Joaquin Valley; Final rule (December 6, 2018).
84 FR 3302, Clean Air Plans; 2008 8-Hour Ozone Nonattainment Area Requirements; San Joaquin Valley, California; Final rule (February 12, 2019).
84 FR 41717, Official Release of EMFAC2017 Motor Vehicle Emission Factor Model for Use in the State of California; Notice of availability (August 15, 2019).
84 FR 52005, Approval of Air Quality Implementation Plans; California; South Coast Air Basin; 1-Hour and 8-Hour Ozone Nonattainment Area Requirements; Final rule (October 1, 2019).
85 FR 1131, Air Plan Approval; California; San Joaquin Valley Unified Air Pollution Control District; Proposed rule (January 9, 2020).
85 FR 44192, Clean Air Plans; 2006 Fine Particulate Matter Nonattainment Area Requirements; San Joaquin Valley, California; Final rule (July 22, 2020).
85 FR 44206, Air Plan Approval; California; San Joaquin Valley Unified Air Pollution Control District; Final rule (July 22, 2020).
Guidance Documents and Informational Memoranda
EPA, "Air Quality Criteria for Particulate Matter," EPA 600/P-99/002aF.Vol I, October 2004. Available at: https://cfpub.epa.gov/si/si_public_record_report.cfm?Lab=NCEA&dirEntryId=87903. 
EPA, "Air Quality Criteria for Particulate Matter," EPA 600/P-99/002bF/Vol. II, October 2004. Available at: https://cfpub.epa.gov/si/si_public_record_report.cfm?Lab=NCEA&dirEntryId=87903. 
Memorandum dated June 28, 2011, from Tyler Fox, Air Quality Modeling Group, OAQPS, EPA, to Regional Air Program Managers, EPA, Subject: "Update to the 24 Hour PM2.5 NAAQS Modeled Attainment Test," ("Modeling Guidance Update").
"Regulatory Impact Analysis for the Final Revisions to the National Ambient Air Quality Standards for Particulate Matter," EPA/452/R-12-005, EPA, December 2012. Available at https://www3.epa.gov/ttn/naaqs/standards/pm/s_pm_2007_ria.html. 
Memorandum dated November 17, 2016, from Stephen D. Page, Director, OAQPS, to Regional Air Division Directors, Regions 1-10, including "PM2.5 Precursor Demonstration Guidance, Draft for Public Review and Comments," EPA-454/P-16-001, November 17, 2016. Available at: https://www.epa.gov/pm-pollution/pm25-precursor-demonstration-guidance.
"Emissions Inventory Guidance for Implementation of Ozone and Particulate Matter National Ambient Air Quality Standards (NAAQS) and Regional Haze Regulations," EPA-454/B-17-002, May 2017. Available at https://www.epa.gov/air-emissions-inventories/air-emissions-inventory-guidance-implementation-ozone-and-particulate. 
Memorandum dated November 29, 2018, from Richard Wayland, Director, Air Quality Assessment Division, OAQPS to Regional Air Division Directors, Regions 1 - 10, "Modeling Guidance for Demonstrating Air Quality Goals for Ozone, PM2.5, and Regional Haze," EPA-454/R-18-009, November 2018. Available at: https://www.epa.gov/scram/state-implementation-plan-sip-attainment-demonstration-guidance. 
Memorandum dated May 30, 2019, from Scott Mathias, Acting Director, Air Quality Policy Division and Richard Wayland, Director, Air Quality Assessment Division, OAQPS, to Regional Air Division Directors, Regions 1-10, including "PM2.5 Precursor Demonstration Guidance," EPA-454/R-19-004, May 2019. Available at: https://www.epa.gov/pm-pollution/pm25-precursor-demonstration-guidance.
Technical Support Documents, Memoranda to File, and Data Analysis Documents
"Technical Support Document, EPA Evaluation of PM2.5 Precursor Demonstration, San Joaquin Valley PM2.5 Plan for the 2006 PM2.5 NAAQS," EPA Region IX, February 2020.
Letter dated June 24, 2020, from Elizabeth J. Adams, Director, Air and Radiation Division, EPA Region IX, to Richard W. Corey, Executive Officer, CARB, Subject: "Re: Completeness Finding for State Implementation Plan (SIP) Submissions for San Joaquin Valley for the 1997, 2006, and 2012 Fine Particulate Matter (PM2.5) National Ambient Air Quality Standards (NAAQS) and Termination of Clean Air Act (CAA) Sanction Clocks." 
Letter dated October 26, 2020, from Gwen Yoshimura, Manager, EPA Region 9, Air Quality Analysis Office, to Jon Klassen, Director of Strategies and Incentives, SJVUAPCD.
Letter dated November 5, 2020, from Gwen Yoshimura, Manager, EPA Region 9, Air Quality Analysis Office, to Ravi Ramalingam, Chief, Consumer Products and Air Quality Assessment Branch, CARB.
Letter dated February 15, 2021, from Deborah Jordan, Acting Regional Administrator, EPA Region IX, to Richard W. Corey, Executive Officer, CARB, with enclosure titled "EPA Evaluation of 2017 Quantitative Milestone Report."
EPA Air Quality System Air Monitoring Program (AMP) 480 Design Value Report for 2020, June 15, 2021.
State Plans, Rules, Support Documents, Reports, and Correspondence
State Implementation Plan Submissions Addressed by this Rulemaking
Letter dated November 16, 2018, from Kurt Karperos, Deputy Executive Officer, CARB to Mike Stoker, Regional Administrator, EPA Region IX, including attachments (transmitting the "Supplement to the 2016 State Strategy for the State Implementation Plan," adopted by CARB on October 25, 2018 ("Valley State SIP Strategy")). This SIP submission was re-transmitted to the EPA on May 9, 2019 as Attachment A to the "2018 Plan for the 1997, 2006, and 2012 PM2.5 Standards," described below.
CARB, "Notice of Public Meeting to Consider the San Joaquin Valley Supplement to the 2016 State Strategy for the State Implementation Plan," September 21, 2018.
CARB Resolution 18-49, "San Joaquin Valley Supplement to the 2016 State Strategy for the State Implementation Plan," October 25, 2018.
J&K Court Reporting, LLC, "Meeting, State of California Air Resources Board," October 25, 2018 (transcript of CARB's public hearing).
CARB, "Board Meeting Comments Log," November 2, 2018.
CARB, Compilation of written comments, November 2, 2018.
CARB, "Completeness Checklist for SIP Revision, California State Implementation Plan, San Joaquin Valley Supplement to the 2016 State Strategy for the State Implementation Plan (Valley State SIP Strategy)."
Letter dated May 9, 2019, from Richard Corey, Executive Officer, CARB, to Mike Stoker, Regional Administrator, EPA Region 9, including attachments (transmitting the "2018 Plan for the 1997, 2006, and 2012 PM2.5 Standards," adopted by the SJVUAPCD on November 15, 2018, and by CARB on January 24, 2019 ("2018 PM2.5 Plan"). This SIP submission was transmitted to the EPA on May 10, 2019 via the EPA's "State Plan Electronic Collection System" (SPECS) and incorporates by reference the Valley State SIP Strategy as adopted by CARB on October 25, 2018 and submitted to the EPA on November 16, 2018.
2018 PM2.5 Plan, "2018 Plan for the 1997, 2006, and 2012 PM2.5 Standards", November 15, 2018.
CARB, Attachment A ("Clarifying information for the San Joaquin Valley 2018 Plan regarding model sensitivity related to ammonia and ammonia controls").
SJVUAPCD, "Notice of Public Hearing for Adoption of Proposed 2018 PM2.5 Plan for the 1997, 2006, and 2012 Standards," October 16, 2018.
SJVUAPCD Governing Board Resolution 18-11-16, "Adopting the [SJVUAPCD] 2018 Plan for the 1997, 2006, and 2012 PM2.5 Standards," November 15, 2018.
SJVUAPCD Letter dated November 15, 2018, from Jonathan Klassen, Director of Strategies and Incentives, SJVUAPCD to Richard Corey, Executive Officer, CARB.
CARB, "Notice of Public Meeting to Consider the 2018 PM2.5 State Implementation Plan for the San Joaquin Valley," December 21, 2018.
CARB's "Staff Report, Review of the San Joaquin Valley 2018 Plan for the 1997, 2006, and 2012 PM2.5 Standards," release date December 21, 2018 ("CARB Staff Report").
CARB Resolution 19-1, "2018 PM2.5 State Implementation Plan for the San Joaquin Valley," January 24, 2019.
J&K Court Reporting, LLC, "Meeting, State of California Air Resources Board," January 24, 2019 (transcript of CARB's public hearing).
CARB, "Board Meeting Comments Log," March 29, 2019, and compilation of written comments. 
CARB, "Completeness Checklist for SIP Revision, California State Implementation Plan, 2018 Plan for the 1997, 2006, and 2012 PM2.5 Standards (2018 Plan)."
CARB, Letter dated December 11, 2019 from Richard Corey, Executive Officer, CARB to Mike Stoker, Regional Administrator, EPA Region IX.
Letter dated July 19, 2019 from Richard W. Corey, Executive Officer, CARB, to Mike Stoker, Regional Administrator, EPA Region 9.
SJVUAPCD Rule 4901, Wood Burning Fireplaces and Wood Burning Heaters, Amended June 20, 2019.
SJVUAPCD Governing Board Resolution 19-06-22, "Adopt Proposed Amendments to Rule 4901 (Wood Burning Fireplaces and Wood Burning Heaters," June 20, 2019.
SJVUAPCD, Letter dated July 1, 2019 from Jonathan Klassen, Director of Strategies and Incentives, SJVUAPCD, to Carol Sutkus, Manager, Rule Evaluations Section, CARB, Subject: "RE: Rule Action Package for Rule 4901 (Wood Burning Fireplaces and Wood Burning Heaters."
SJVUAPCD Governing Board Staff Report, "Item Number 13: Adopt Proposed Amendments to the District's Residential Wood Burning Emission Reduction Strategy."
SJVUAPCD and CARB, "Appendix H, RFP, Quantitative Milestones, and Contingency" (revised), submitted to the EPA via SPECS on February 11, 2020.
 Additional State Documents
CARB, "Revised Proposed 2016 State Strategy for the State Implementation Plan" ("2016 State Strategy"), March 7, 2017.
CARB Resolution 17-7, "2016 State Strategy for the State Implementation Plan," March 23, 2017. 
Letter dated October 23, 2017, from Richard W. Corey Executive Officer, CARB, to Alexis Strauss, Acting Regional Administrator, EPA Region 9.
Letter dated December 20, 2018 from Richard W. Corey, Executive Officer, CARB, to Michael Stoker, Regional Administrator, EPA Region IX, including attachment.
CARB and SJVUAPCD, "2017 Quantitative Milestone Report for the 1997 and 2006 NAAQS," November 20, 2018 ("2017 QM Report").
Email dated June 20, 2019, from Jeremy Avise, CARB, to Scott Bohning, EPA Region IX, Subject: "RE: SJV model disbenefit from SOX reduction," with embedded attachment ("CARB's June 2019 Precursor Clarification").
Email dated September 19, 2019, from Jeremy Avise, CARB, to Scott Bohning, EPA Region IX, Subject: "FW: SJV species responses," with embedded attachments ("CARB's September 2019 Precursor Clarification").
Email dated October 18, 2019, from Laura Carr, CARB to Scott Bohning, Jeanhee Hong, and Rory Mays, EPA Region IX, Subject: "Clarifying information on ammonia," with embedded attachment "Clarifying Information on Ammonia" ("CARB's October 2019 Precursor Clarification").
Letter dated March 19, 2021, from Richard W. Corey, Executive Officer, CARB, to Deborah Jordan, Acting Regional Administrator, EPA Region 9, transmitting CARB Executive Order S-21-004.
CARB Executive Order S-21-004, "Withdrawal from SIP Consideration of the State Implementation Plan Attainment Contingency Measures for the San Joaquin Valley 15 ug/m3 Annual PM2.5 Standard," March 19, 2021.
Email dated April 19, 2021, from Laura Carr, CARB, to Rory Mays, EPA Region IX, Subject: "Ammonia update," with attachment "Update on Ammonia in the San Joaquin Valley" ("CARB's April 19, 2021 Precursor Clarification").
Email dated April 26, 2021, from Laura Carr, CARB, to Scott Bohning, EPA Region IX, Subject: "RE: Ammonia update," with attachment "Ammonia in San Joaquin Valley" ("CARB's April 26, 2021 Precursor Clarification").

Additional Documents for Proposed Rulemaking
Court Decisions
Assoc. of Irritated Residents v. EPA, 423 F.3d 989 (9th Cir. 2005).
Natural Resources Defense Council v. EPA, 706 F.3d 428 (D.C. Cir. 2013).
Bahr v. EPA, 836 F.3d 1218, 1235-1237 (9th Cir. 2016).

Other Documents
"Deriving Information on Surface conditions from COlumn and VERtically Resolved Observations Relevant to Air Quality," NASA, available at: https://www.nasa.gov/mission_pages/discover-aq/index.html. 
       
Notice of Proposed Rulemaking 
86 FR 38652, Partial Approval and Partial Disapproval of Air Quality Implementation Plans; California; San Joaquin Valley Serious Area and Section 189(d) Plan for Attainment of the 1997 Annual PM2.5 NAAQS; Proposed rule (July 22, 2021).
Partial Approval and Partial Disapproval of Air Quality Implementation Plans; California; San Joaquin Valley Serious Area and Section 189(d) Plan for Attainment of the 1997 Annual PM2.5 NAAQS; Proposed rule (pre-publication copy, signed July 12, 2021).
 
Public Comments and Related Documents
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Additional Documents Considered for Final Rulemaking
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Notice of Final Rulemaking
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