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	2
C.	Notice of Proposed Rulemaking	3
D.	Public Comments and Related Documents	3
E.	Additional Documents Considered for Final Rulemaking	3
F.	Notice of Final Rulemaking	4

U.S. EPA Rulemakings, Guidance Documents, Informational Memoranda, Technical Support Documents, Memoranda to File, and Data Analysis Documents
Rulemakings
52 FR 24634, Revisions to the National Ambient Air Quality Standards for Particulate Matter (July 1, 1987).
52 FR 29383, PM10 Group I and Group II Areas (August 7, 1987).
56 FR 56694, Designation of Areas for Air Quality Planning Purposes; Final rule (November 6, 1991).
67 FR 50805, Clean Air Act Redesignation and Reclassification, Searles Valley Nonattainment Area; Designation of Coso Junction, Indian Wells Valley, and Trona Nonattainment Areas; California; Determination of Attainment of the PM - 10 Standards for Coso Junction Area; Particulate Matter of 10 microns or less (PM - 10); Final rule (August 6, 2002).
67 FR 77196, Approval and Promulgation of Implementation Plans and Designation of Areas; California - Indian Wells Valley PM - 10 Nonattainment Area; Proposed rule (December 17, 2002).
68 FR 24368, Approval and Promulgation of Implementation Plans and Designation of Areas; California - Indian Wells Valley PM - 10 Nonattainment Area; Final rule (May 7, 2003).
71 FR 61144, National Ambient Air Quality Standards for Particulate Matter; Final rule (October 17, 2006).
78 FR 3086, National Ambient Air Quality Standards for Particulate Matter; Final rule (January 15, 2013).
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 51310, The Safer Affordable Fuel-Efficient (SAFE) Vehicles Rule Part One: One National Program; Withdrawal of waiver; final rule (September 27, 2019).
Guidance Documents and Informational Memoranda
Memorandum dated September 4, 1992, from John Calcagni, Director, Air Quality Management Division, Office of Air Quality Planning and Standards, U.S. EPA, to Air Division Directors, Regions I-X, entitled "Procedures for Processing Requests to Redesignate Areas to Attainment."
EPA, PM-10 Emission Inventory Requirements, September 1994.
"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. 
Technical Support Documents, Memoranda to File, and Data Analysis Documents
Letter dated June 27, 2018, from Gwen Yoshimura, Manager, Air Quality Analysis Office, Air Division, EPA Region IX, to Glen E. Stephens, P.E., Air Pollution Control Officer, EKAPCD.
Letter dated November 5, 2020, from Gwen Yoshimura, Manager, Air Quality Analysis Office, EPA Region IX, to Ravi Ramalingam, Chief, Consumer Products and Air Quality Assessment Branch, Air Quality Planning and Science Division, CARB.
Memorandum dated February 4, 2021, from Karina O'Connor, EPA, to Rulemaking Docket ID EPA-R09-OAR-0549, Subject: "Adequacy Documentation for Plan Motor Vehicle Emissions Budgets in the Indian Wells Second PM10 Maintenance Plan."
EPA Air Quality System Air Monitoring Program (AMP) 450 Quicklook Criteria Parameters for 2001-2021, accessed February 8, 2021.
EPA Air Quality System Air Monitoring Program (AMP) 480 Design Value Report for 2001-2021, accessed February 8, 2021.
EPA Air Quality System Air Monitoring Program (AMP) 480 Design Value Report for 2020, accessed August 10, 2021.
EPA Air Quality System Air Monitoring Program (AMP) 440 Maximum Values Report for 2019-2020, accessed August 10, 2021.
EPA Air Quality System Air Monitoring Program (AMP) 360 Raw Data Qualified Report for 2003, accessed August 10, 2021.
    
State Plans, Rules, Support Documents, Reports, and Correspondence
State Implementation Plan Submissions Addressed by this Rulemaking
Letter dated July 23, 2020, from Richard W. Corey, Executive Officer, CARB, to John W. Busterud, Regional Administrator, U.S. Environmental Protection Agency, Region 9, including enclosures. 
CARB, "Completeness Checklist for SIP Revision, California State Implementation Plan, Indian Wells Valley Second 10-Year PM10 Maintenance Plan (2020 PM10 Plan)."
"Indian Wells Valley Second 10-Year PM10 Maintenance Plan," adopted by Eastern Kern Air Pollution Control District on May 7, 2020.
"Indian Wells Valley, Condensable PM10 Emission Inventory."
CARB, "Notice of Public Meeting to Consider Indian Wells Valley Second 10-Year PM10 Maintenance Plan," June 25, 2020.
CARB Resolution 20-18, "Indian Wells Valley Second 10-Year Pm10 Maintenance Plan," June 25, 2020.
EKAPCD Resolution 2020-003-05, "Resolution Approving Eastern Kern Air Pollution Control District Indian Wells Valley Second 10-Year PM10 Maintenance Plan," May 7, 2020.
CARB, "Public Meeting Agenda, Thursday, June 25, 2020 and Friday, June 26, 2020."
EKAPCD Evidence of Public Notice.
CARB, SPeCS submission form, July 30, 2020.
          
 Additional State Documents
Email dated January 23, 2020, from Nesamani Kalandiyur, CARB to Karina O'Connor, EPA Region IX, Subject: "RE: Indian Wells Valley Transportation Conformity Budget - IAC."
Email dated February 4, 2021, from Nesamani Kalandiyur, CARB, to Karina O'Connor, EPA Region IX, Subject: "RE: Question Regarding Indian Wells 2nd Maintenance Plan."
Letter dated June 21, 2021, from Sylvia Vanderspek, Chief, Air Quality Planning Branch, CARB, to Gwen Yoshimura, Manager, Air Quality Analysis Office, EPA Region 9.
Email dated August 20, 2021, from Jeremiah Cravens, EKAPCD, to Ashley Graham, EPA Region IX. See also EPA Air Quality System Raw Data Qualifier Report 2003, accessed August 10, 2021. 
Notice of Proposed Rulemaking 
86 FR 56848, Second 10-Year Maintenance Plan for the Indian Wells Valley PM10 Planning Area; California; Proposed rule (October 13, 2021).
Public Comments and Related Documents
Comment dated October 14, 2021 from Elaina Porter to Docket ID No. EPA-R09-OAR-2021-0549.
Additional Documents Considered for Final Rulemaking
CARB, Annual Network Plan Covering Monitoring Operations in 25 California Air Districts, July 2022.
CARB, 2020 Monitoring Network Assessment, October 2020.
Letter dated October 28, 2022, from Gwen Yoshimura, Manager, Air Quality Analysis Office, EPA Region IX, to Sylvia Vanderspek, Chief, Air Quality Planning Branch, CARB.
Email dated March 7, 2022, from Jeremiah Cravens, EKAPCD, to Ashley Graham, EPA Region IX, Subject: "Question re fugitive dust emissions from aircraft."
Email dated September 2, 2022, from Sylvia Vanderspek, CARB, to Gwen Yoshimura, EPA Region IX, Subject: "Initial Notification Submittal - Eastern Kern Indian Wells PM10 2nd Maintenance Plan Contingency," including attachments.
Memorandum dated September 8, 2022, from Ashley Graham, EPA Region IX, to Docket ID No. EPA-R09-OAR-2021-0549.
EPA Air Quality System Design Value Report, AMP480, accessed November 17, 2022 (User ID: STSAI, Report Request ID: 2058650).
Notice of Final Rulemaking
88 FR 2839, Second 10-Year Maintenance Plan for the Indian Wells Valley PM10 Planning Area; California; Final rule (January 18, 2023).
       
