**INDEX TO DOCKET EPA-R09-OAR-2010-0718**

**DETERMINATIONS OF ATTAINMENT BY THE APPLICABLE ATTAINMENT DATE**

**FOR THE HAYDEN, NOGALES, PAUL SPUR/DOUGLAS PM 10**  **NONATTAINMENT**

**AREAS, ARIZONA; DIRECT FINAL AND PROPOSED RULE**

**CATEGORY I. NOTICE OF FINAL RULEMAKING**

A. Direct Final Rule, “Determinations of Attainment by the Applicable Attainment date for the Hayden, Nogales, Paul Spur/Douglas PM 10 Nonattainment Areas, Arizona,” prepublication, signed version, October __, 2010.

B. 75 FR xxxxx, Direct Final Rule, “Determinations of

Attainment by the Applicable Attainment date for the Hayden,

Nogales, Paul Spur/Douglas PM 10 Nonattainment Areas,

Arizona,” October __, 2010.

**CATEGORY II. NOTICE OF PROPOSED RULEMAKING**

A. Proposed Rule, “Determinations of Attainment by the Applicable Attainment date for the Hayden, Nogales, Paul Spur/Douglas PM 10 Nonattainment Areas, Arizona,” prepublication, signed version, October __, 2010.

B. 75 FR xxxxx, Proposed Rule, “Determinations of Attainment by the Applicable Attainment date for the Hayden, Nogales, Paul Spur/Douglas PM 10 Nonattainment Areas, Arizona” October __,

2010.

**CATEGORY III. INCORPORATION BY REFERENCE DOCUMENTS**

None.

**CATEGORY IV. OFFICIAL PUBLIC COMMENT ON THE NPRM**

Reserved.

**CATEGORY V. FEDERAL REGISTER NOTICES**

A. 52 FR 24634, “Revisions to the National Ambient Air Quality Standards for Particulate Matter,” final rule, July 1, 1987.

B. 52 FR 29383, “PM 10 Group I and Group II Areas,” List of PM 10 Group I and Group II Areas, August 7, 1987.

C. 55 FR 45799, “Preparation, Adoption, and Submittal of State Implementation Plans; Corrections to PM 10 Areas of Concern,”

Technical corrections to the areas of concern for certain2

Group I and Group II areas, October 31, 1990.

D. 56 FR 11101, “Designations and Classifications for Initial

PM 10 Nonattainment Areas,” Notice announcing designations and classifications for initial PM-10 nonattainment areas,
March 15, 1991.

E. 56 FR 37654, “Designations and Classifications for Initial

PM 10 Nonattainment Areas,” Notice correcting EPA’s announcement of the designations and classifications for the

initial PM 10 (particulate matter nominally 10 microns in diameter or smaller) nonattainment areas, August 8, 1991.

F. 56 FR 56694, “Designation of Areas for Air Quality Planning Purposes,” Final rule, November 6, 1991.

G. 57 FR 19906, “State Implementation Plans for Nonattainment Areas for Particulate Matter,” Notice announcing findings of failure to submit required State Implementation Plans (SIPs), May 8, 1992.

H. 59 FR 36116, “Clean Air Act Limited Approval/Disapproval and Promulgation of PM 10 Implementation Plan for Arizona,” Proposed rule, July 15, 1994.

I. 71 FR 61144, “National Ambient Air Quality Standards for Particulate Matter,” Final rule, October 17, 2006.

J. 71 FR 61236, “Revisions to Ambient Air Monitoring Regulations,” Final rule, October 17, 2006.

K. 72 FR 14422, “Approval and Promulgation of Implementation Plans; Designation of Areas for Air Quality Planning Purposes; State of Arizona; Boundary Redesignation; Finding

of Attainment for Miami Particulate Matter of 10 Microns or

Less (PM 10 ) Nonattainment Area; Determination Regarding Applicability of Certain Clean Air Act Requirements; Correction,” Direct final rule, March 28, 2007.

L. 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.

**CATEGORY VI. OTHER DOCUMENTS**3

K. A. Photo illustrating the locations of the four monitors that

collected PM 10 data in Nogales in 1994, undated.

B. Spreadsheet summarizing completeness evaluation for PM 10 data collected at the Hayden, Nogales, Paul Spur/Douglas

areas in 1992-1994.

C. EPA Memorandum, “Use of Collocated PM 10 Data,” from William G. Laxton, Director, Technical Support Division, EPA Office of Air Quality Planning and Standards, to Director(s), dated July 24, 1989.

D. Letter from Randolph Wood, Director, Arizona Department of Environmental Quality, to Daniel McGovern, Regional Administrator, EPA Region IX, dated October 16, 1989.

E. Letter from Randolph Wood, Director, Arizona Department of Environmental Quality, to Daniel McGovern, Regional Administrator, EPA Region IX, dated June 25, 1990.

F. Letter from Daniel W. McGovern, Regional Administrator, EPA Region IX, to Fife Symington, Governor of Arizona, dated
December 16, 1991.

G. Letter from Dan McGovern, Regional Administrator, EPA Region IX, to Ed Fox, Director, Arizona Department of Environmental Quality, dated December 17, 1991.

H. Letter from Edward Z. Fox, Director, Arizona Department of Environmental Quality, to Daniel McGovern, Regional Administrator, EPA Region IX, dated February 3, 1992.

I. Letter from Edward Z. Fox, Director, Arizona Department of Environmental Quality, to John Wise, Acting Regional Administrator, EPA Region IX, dated June 14, 1993 (letter only, no enclosures).

J. Letter from Edward Z. Fox, Director, Arizona Department of Environmental Quality, to John Wise, Acting Regional Administrator, EPA Region IX, dated June 17, 1993 (letter only, no enclosures).

Letter from David P. Howekamp, Director, Air & Toxics Division, EPA Region IX, to Edward Z. Fox, Director, Arizona Department of Environmental Quality, dated November 30, 1993, providing notification of completeness determination for the state’s submitted Nogales PM 10 plan.4

S. L. Letter from David P. Howekamp, Director, Air & Toxics Division, EPA Region IX, to Edward Z. Fox, Director, Arizona Department of Environmental Quality, dated November 30, 1993, providing notification of completeness determination for the state’s submitted Douglas PM 10 plan.

M. EPA Memorandum, “Criteria for Granting 1-Year Extensions of Moderate PM-10 Nonattainment Area Attainment dates, Making Attainment Determinations, and Reporting on Quantitative Milestones,” from Sally L. Shaver, Director, Air Quality Strategies and Standards Division, EPA Office of Air Quality Planning and Standards, to Director(s), dated November 14,

1994.

N. EPA Memorandum, “Attainment Determination and the Processing of Initial PM-10 Nonattainment Area SIPs,” from Sally L. Shaver, Director, Air Quality Strategies and Standards Division, EPA Office of Air Quality Planning and Standards, to Director(s), dated November 14, 1994.

O. EPA Memorandum, “Reporting of 1994 PM-10 Monitoring Data for Moderate Nonattainment Areas,” from William F. Hunt, Jr., Director, Emissions, Monitoring and Analysis Division, EPA Office of Air Quality Planning and Standards, to Director(s), dated November 22, 1994.

P. Letter from Stephen A. Owens, Director, Arizona Department of Environmental Quality, to Wayne Nastri, Regional Administrator, dated December 22, 2004.

Q. Letter from Sean P. Hogan, Manager, Air Quality Analysis Office, EPA Region IX, to Nancy Wrona, Director, Air Quality Division, Arizona Department of Environmental Quality, dated April 30, 2008, approving the State of Arizona’s Air Monitoring Network Plan for the Year 2007.

R. Letter from Sean P. Hogan, Manager, Air Quality Analysis Office, EPA Region IX, to Nancy Wrona, Director, Air Quality Division, Arizona Department of Environmental Quality, dated November 10, 2008, approving the State of Arizona’s Air Monitoring Network Plan for the Year 2008.

Arizona Department of Environmental Quality, “State of Arizona Air Monitoring Network Plan for the Year 2009,” Final Report, July 1, 2009.5

DD. T. Letter from Joseph Lapka, Acting Manager, Air Quality Analysis Office, EPA Region IX, to Nancy Wrona, Director, Air Quality Division, Arizona Department of Environmental Quality, dated November 12, 2009, approving the State of Arizona’s Air Monitoring Network Plan for the Year 2009.

U. EPA Region IX, “Technical System Audit Report, Arizona Department of Environmental Quality, Air Quality Division, Ambient Air Quality Monitoring Program, September 2010.

V. Air Quality System Quicklook report, dated June 23, 2010, summarizing PM-10 monitoring data collected at monitoring sites in the Hayden, Nogales, and Paul Spur/Douglas areas for the 1992-1994 period.

W. Air Quality System Quicklook report, dated August 18, 2010, summarizing PM-10 monitoring data collected at the monitoring site in the Hayden area from 1995 through the end of the first quarter of 2010.

X. Air Quality System Quicklook report, dated August 18, 2010, summarizing PM-10 monitoring data collected at the monitoring sites in the Nogales area from 1995 through the end of the first quarter of 2010.

Y. Air Quality System Quicklook report, dated August 18, 2010, summarizing PM-10 monitoring data collected at the monitoring sites in the Paul Spur/Douglas area from 1995 through the end of the first quarter of 2010.

Z. Data Completeness Report, dated August 19, 2010, Hayden, Nogales, Paul Spur/Douglas monitoring sites, year 1992.

AA. Data Completeness Report, dated August 19, 2010, Hayden, Nogales, Paul Spur/Douglas monitoring sites, year 1993.

BB. Data Completeness Report, dated August 19, 2010, Hayden, Nogales, Paul Spur/Douglas monitoring sites, year 1994.

CC. Air Quality System Quicklook report, dated August 25, 2010, providing detailed PM-10 data collected at the Nogales Post Office monitoring site during years 1992 through 1994.

Air Quality System Quicklook report, dated August 26, 2010, providing detailed PM-10 data collected at the various6

Nogales monitoring sites during year 1994.

EE. Letter from Benjamin H. Grumbles, Director, Arizona Department of Environmental Quality, to Jared Blumenfeld, Regional Administrator, EPA Region IX, dated September 13,

2010.

FF. Air Quality System Quicklook report, dated September 17, 2010, summarizing PM-10 monitoring data collected at monitoring sites in the Hayden, Nogales, and Paul Spur/Douglas areas during 1991.

GG. Air Quality System Quicklook report, dated October 5, 2010, summarizing PM-10 monitoring data collected at monitoring sites in the Hayden, Nogales, and Paul Spur/Douglas areas from 2007 through the end of the second quarter of 2010.