1 FINAL INDEX TO DOCKET EPA-R09-OAR-2016-0287
AJO AND MORENCI SECOND 10-YEAR MAINTENACE PLANS

1971 SO 2 NAAQS; TECHNICAL CORRECTION, AJO BOUNDARY

DIRECT FINAL RULE AND PROPOSED RULE

A. U.S. EPA Guidance Documents, Policies, and Rulem akings B. State Plans, Rules, Support Documents, Reports, and Correspondence C. Additional Documents for Proposed Rulemaking D. Notices of Proposed Rulemaking and Technical Sup port Document

E. Public Comments and Related Documents F. Notices of Final Rulemaking, Reclassification

A. U.S. EPA Guidance Documents, Policies, and Rulem akings

1. 43 FR 8962, Title 40 – Protection of the Environmen t, Chapter 1 – Environmental Protection Agency, Subpart C – Air Programs, Part 81 – Air Qua lity Control Regions, Criteria, and Control Techniques, Final rule (March 3, 1978).

2. 44 FR 21261, Air Quality Control Regions, Criteria and Control Techniques; Attainment Status Designations, final rule (April 10, 1979).

3. Memorandum dated September 4, 1992, from John Calca gni, Director, Air Quality Management Division, Office of Air Quality Planning and Standa rds, US EPA, to Air Division Directors, Regions I-X, entitled “Procedures for Processing Requests t o Redesignate Areas to Attainment.”

4. Memorandum dated January 26, 1995, from Sally Shave r, USEPA Air Quality Strategies and Standards Division, OAQPS, to Regional Office Air D ivision Directors, entitled Attainment Demonstration Policy for Sulfur Dioxide Nonattainme nt Areas.

5. Memorandum dated October 18, 2000, from John S. Sei tz, Director, Office of Air Quality Planning and Standards, U.S. EPA, to Air Division D irectors, Regions I-X, “Redesignation of SO 2 Nonattainment Areas in the Absence of Monitored Dat a.”

6. 68 FR 62239, Approval and Promulgation of Implement ation Plans and Designation of Areas for Air Quality Planning Purposes; Arizona; direct fina l rule (November 3, 2003).

7. 69 FR 22447, Approval and Promulgation of Implement ation Plans and Designation of Areas for Air Quality Planning Purposes; Arizona; direct fina l rule (April 26, 2004).

8. 75 FR 35520, Primary National Ambient Air Quality S tandard for Sulfur Dioxide; Final rule (June 22, 2010).

9. Memorandum dated April 11, 2011 from Tyler Fox, Lea der, Air Quality Modeling Group, Office of Air Quality Planning and Standards, U.S. EPA, to EPA Regional Modeling Contacts,2

“AERSCREEN Released as the EPA Recommended Screenin g Model.”

10. 80 FR 67319, Revisions to Air Plan; Stationary Sour ces; New Source Review; final rule (November 2, 2015).

B. State Plans, Rules, Support Documents, Reports, and Correspondence

1. Arizona State Implementation Plan Revision, Main tenance Plan for the Ajo Sulfur Dioxide Planning Area (1971 NAAQS), Air Quality Division, Arizona De partment of Environmental Quality, February

2013.

2. Arizona State Implementation Plan Revision, Main tenance Plan for the Morenci Sulfur Dioxide Planning Area (1971 NAAQS), Air Quality Division, A rizona Department of Environmental Quality,

December 2014.

C. Additional Documents for Proposed Rulemaking

1. National Interagency Fire Center’s website at https://www.nifc.gov/fireInfo/fireInfo_statistics.h tml

, “Historical year-end statistics by state,” accessed May 9, 2016 and August 31, 2016.

2. https://en.wikipedia.org/wiki/List_of_Arizona_wildf ires , accessed May 9, 2016 and August 31, 2016.

D. Notice of Proposed Rulemaking

1. Notice of Proposed Rulemaking, Approval of Arizona Air Plan Revisions; Ajo and Morenci, Arizona; Second 10-Year Sulfur Dioxide Maintenance Plans and Technical Correction; proposed rule; prepublication version, signed December 15, 2 016.

2. 82 FR 2308, Approval of Arizona Air Plan Revisions; Ajo and Morenci, Arizona; Second 10-

Year Sulfur Dioxide Maintenance Plans and Technical Correction; proposed rule (January 9, 2017).

E. Public Comments and Related Documents

F. Notice of Final Rulemaking

1. Notice of Direct Final Rulemaking, Approval of Ariz ona Air Plan Revisions; Ajo and Morenci, Arizona; Second 10-Year Sulfur Dioxide Maintenance Plans and Technical Correction; direct final rule and technical correction; prepublication versi on, signed December 15, 2016.

2. 82 FR 2239, Approval of Arizona Air Plan Revisions; Ajo and Morenci, Arizona; Second 10-

Year Sulfur Dioxide Maintenance Plans and Technical Correction; direct final rule and technical correction (January 9, 2017).