‘JAN 2 3 2W2

Mr. Jared Blumenfeld, Regional Administrator

U.S. Environmental Protection Agency, Region IX

Mail Code ORA-1

75 Hawthorne Street

San Francisco, CA 94105

RE: 2011 Update ofthe Limited Maintenance Plan for the Payson PM10 Maintenance Area

—i6_ Dear M,lumenfeld:

Consistent with the provisions of Arizona Revised Statutes §49-104 and §49-404 (Enclosure 1) and the Code of Federal Regulations (CFR) Title 40, §51.102 through §51.104, the Arizona Department of Environmental Quality (ADEQ) hereby adopts and submits to the U.S. Environmental Protection Agency (EPA) the “Update of the Limited Maintenance Plan for the Payson PM10 Maintenance Area” as a revision to the Arizona State Implementation Plan (SIP).

Under Clean Air Act (CAA) Sec. 1 75A(b), “8 years after redesignation of any area as an attainment area under section 107(d), the State shall submit to the Administrator an additional revision of the applicable State implementation plan for maintaining the national primary ambient air quality standard for 10 years after the expiration ofthe 10-year period referred to in subsection (a).” This SIP updates the 2002 Payson Moderate Area PM, 0Maintenance Plan and Requestfor Redesignation to Attainment, providing for the maintenance ofthe national primary ambient air quality standard for the years 2012 through 2022.

The original attainment demonstration and maintenance plan submission relied on federal New Source Performance Standards (NSPS) for residential wood heaters (40 CFR 60 subpart AAA) and completed local paving activities to demonstrate maintenance of the National Ambient Air Quality Standard (NAAQS) in the area. No ADEQ promulgated rules were relied on to demonstrate attainment and maintenance for the area. This update includes no new request for additional federally enforceable rules

or standards. Reference to the following local ordinances, state rules, and other strategies are submitted as supplemental information and not for incorporation into the Arizona Applicable SIP:

-Section 3.2.2., Industrial Sources — Table 3.1, Payson Permitted Sources and Reported 2008 PM10 Emissions, and

-Section 5.1.2., Supplemental Control Measures

This update does include notice of early implementation of a contingency measure. lii 2004, Arizona promulgated changes to Ri 8-2-702(B). The rule, however, was not a measure that was relied on to

Southern Regional Office

400 West Congress Street • Suite 433 • Tucson, AZ 85701

(520) 628-6733

Printed on recycledpaper
the National Ambient Air Quality Sta

d

(

Q

) 

y

is the SIP Completeness Checklist. Enclosure 3 contains two paper copies and an electronic copy of the

SIP revision for your review and action. The provided electronic copy is an exact duplicate of the hard

copy. Enclosure 4 includes the public comment and hearing documentation. If you have any questions,

please contact Eric Massey, Director, Air Quality Division, at (602) 771-2308.

Sincerely,

Henryarwin

Director

Enclosures (4)

cc: Lisa Hanf, EPA Region IX

Colleen McKaughan, EPA Region IX


LAWS RELATING TO

ENVIRONMENTAL.

QUALITY.

2010-2011 EDITION

STATE BAR

OFARIZONA

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Reprinted from LexisNexisTM Arizona Annotated Revised Statutes,

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Product Number 2060523

(Pub. 20605)

•1

I

I

A. The department of environmental quality is estab

ished.

B. The governor shall appoint a director of environ neñtal quality pursuant to section 38-211. The director

;hall administer the department and serve at the plea

sure of the governor. The director is entitled to receive :ompensation as determined under section 38-611. The director shall appoint a deputy director and, subject to

legislative appropriation, may appoint division direc

tors if necessary. The positions of director and deputy

director are exempt from title 41, chapter 4, articles 5

and 6 relating to state service.

C To be eligible for appointment as director a person

must have a background or experience in one or more

of the following areas:

1. Public administration.

2. Planning.

3. Personnel management.

4. Law.

5. Environmental science.

D. The director may organize the department into

divisions as he deems appropriate. 1949-103. Department employees; legal counsel V

A. The director, subject to title 41, chapter 4, articles 5 and 6, shall employ, determine the conditions of

employment and specify the duties of administrative, secretarial and clerical employees as he deems neces

sary.

B. The attorney general shall be the legal advisor of

the department and shall give legal services as the department requires. Compensation for personnel as signed by the attorney general to perform such services shall be a charge against appropriations to the depart

ment. The attorney general shall prosecute and defend

in the name of this state all actions necessary to carry

out the provisiohs of this title. 1986

49-104. Powers and duties of the department and director

A. The department shall:

1. Formulate policies, plans and programs to imple

ment this title to protect the environment.

2. Stimulate and encourage Vail local, state, regional

and federal governmental agencies and all private per

sons and enterprises that have similar and related

objectives and purposes, cooperate with those agen

cies, persons and enterprises and correlate department

plans, programs and operations with those of the agencies, persons and enterprises.

3. Conduct research on its own initiative or at the

request of the governor, the legislature or state or local agencies pertaining to any department objectives.

4. Provide information and advice on request of any

local, state or federal agencies and private persons and

business enterprises on matters within the scope of the

department.

5. Consult with and make recommendations to the

governor and the legislature on all matters concerning department objectives.

community 

p

tal benefits and minimizes the effects of less desirable

environmental conditions.

9. Assure the preservation and enhancement of nat

ural beauty and man-madescenic qualities.

10. Provide for the prevention and abatement of all

water and air pollution including that related to partic

ulates, gases, dust, vapors, noise, radiation, odor, nutri

ents and heated liquids in accordance with article 3 of

this chapter and chapters 2 and 3 of this title.

11. Promote and recommend methods for the recov

ery, recycling and reuse or, if recycling is not possible, the disposal of solid wastes consistent with sound

health, scenic and environmental quality policies.

12. Prevent pollution through the regulation of the

storage, handling and transportation of solids, liquids and gases that may cause or contribute to pollution.

13. Promote the restoration and reclamation of de

graded or despoiled areas and natural resources. 14. Assist the department of health services in re

cruiting and training state, local and district health department personnel. 15. Participate in the state civil defense program and develop the necessary organization and facilities to

meet wartime or other disasters.

16. Cooperate with the Arizona-Mexico commission

in the governor’s office and with researchers at univer

sities in this state to collect data and conduct projects in

the United States and Mexico on issues that are within

the scope of the department’s duties and that relate to

quality of life, trade and economic development in this

state in a manner that will help the Arizona-Mexico

commission to assess and enhance the economic com

petitiveness of this state and of the Arizona-Mexico region. 17. Unless specifically authorized by the legislature,

ensure that state laws, rules, standards, permits, vari

ances and orders are adopted and construed to be

consistent with and no more stringent than the corre

sponding federal law that addresses the same subject

matter. This provision shall not be construed to ad

versely affect standards adopted by an Indian tribe under federal law.

B. The department, through the director, shall:

1. Contract for the services of outside advisers, con

sultants and aides reasonably necessary or desirable to

enable the department to adequately perform its du

ties.

2. Contract and incur obligations reasonably neces

sary or desirable within the general scope of depart

ment activities and operations to enable the depart

ment to adequately perform its duties.

3. Utilize any’ medium of communication, publica

tion and exhibition when disseminating information,

advertising and publicity in ahy field of its purposes, objectives or duties.

4. Adopt procedural rules that are necessary to im

plement the authority granted under this title, but that

are not inconsistent with other provisions of this title.

publications and to conduct prog

tent with the general purposes and objectives of this

chapter. Monies received pursuant to this paragraph

shall be deposited in the department fund correspond

ing to the service, publication or program provided.

8. Provide for the examination of any premises if the

director has reasonable cause to believe that a violation

of any environmental law or rule exists or is being committed on the premises. The director shall give the

owner or operator the opportunity for its representa

tive to accompany the director on an examination of

those premises. Within forty-five days after the date of

the examination, the department shall provide to the

owner or operator a copy of any report produced as a

result of any examination of the premises.

9. Supervise sanitary engineering facilities and

projects in this state, authority for which is vested in

the department, and own or lease land on which

sanitary engineering facilities are located, and operate

the facilities, if the director determines that owning,

leasing or operating is necessary for the public health,

safety or welfare.

10. Adopt and enforce rules relating to approving

design documents for constructing, improving and op erating sanitary engineering and other facilities for disposing of solid, liquid or gaseous deleterious matter.

11. Define and prescribe reasonably necessary rules

regarding the water supply, sewage disposal and gar

bage collection and disposal for subdivisions. The rules shall:

(a) Provide for minimum sanitary facilities to be

installed in the subdivision and may require that water

systems plan for future needs and be of adequate size

and capacity to deliver specified minimum quantities of

drinking water and to treat all sewage.

(b) Provide that the design documents showing or describing the water supply, sewage disposal and gar

bage collection facilities be submitted with a fee to the department for review and that no lots in any subdivi

sion be offered for sale before compliance with the

standards and rules has been demonstrated by approval

of the design documents by the department.

12. Prescribe reasonably necessary measures to pre

vent pollution of water used in public or semipublic

swimming pools and bathing places and to prevent deleterious conditions at such places. The rules shall

prescribe minimum standards for the design of and for sanitary conditions at any public or semipublic swim ming pool or bathing place and provide for abatement

as public nuisances of premises and facilities that do

not comply with the minimum standards. The rules

shall be developed in cooperation with the director of

the department of health services and shall be consis

tent with the rules adopted by the director of the

department of health services pursuant to section 36-

136, subsection H, paragraph 10.

13. Prescribe reasonable rules regarding sewage col

lection, treatment, disposal and reclamation systems to

with the minimu

(c) Require that design documents for all sewage

collection systems, sewage collection system exten

sions, treatment plants, processes, devices, equipment,

disposal systems, on-site wastewater treatment facili

ties and reclamation systems be submitted with a fee

for review to the department and may require that the

design documents anticipate and provide for future

sewage treatment needs. (d) Require that construction, reconstruction, instal

lation or initiation of any sewage collection system,

sewage collection system extension, treatment plant,

process, device, equipment, disposal system, on-site wastewater treatment facility or reclamation system

conform with applicable requirements.

14. Prescribe reasonably necessary rules regarding

excreta storage, handling, treatment, transportation

and disposal. The rules shall:

(a) Prescribe minimum standards for human excreta

storage, handling, treatment, transportation and dis

posal and shall provide for inspection of premises,

processes and vehicles and for abating as public nui

sances any premises, processes or vehicles that do not

comply with the minimum standards. (b) Provide that vehicles transporting human excreta

from privies, septic tanks, cesspools and other treat

ment processes shall be licensed by the department

subject to compliance with the rules.

15. Perform the responsibilities of implementing and

maintaining a data automation management system to

support the reporting requirements of title Ill of the superfund amendments and reauthorization act of

1986 (P.L. 99-499) and title 26, chapter 2, article 3.

16. Approve remediation levels pursuant to article 4

of this chapter.

C. The department may:

1. Charge fees to cover the costs of all permits and inspections it performs to ensure compliance with rules adopted under section 49-203, except that state agen

cies are exempt from paying the fees. Monies collected

pursuant to this subsection shall be deposited, pursU

ant to sections 35-146 and 35-147, in the water qualitY

fee fund established by section 49-210.

2. Contract with private consultants for the purposes

of assisting the department in reviewing applications

for licenses, permits or other authorizations to deter

mine whether an applicant meets the criteria for Issu

ance of the license, permit or other authorization. If the

department contracts with a consultant under this paragraph, an applicant may request that the depa&

ment expedite the application review by requesting

that the department use the services of the consultant

and by agreeing to pay the department the costs of the consultant’s services. Notwithstanding any other law.

monies paid by applicants for expedited revieWS

P

suant to this paragraph are appropriated to the dePa

ment for use in paying consultants for services.

ployee

directc

Recen

225, 2

2001, Ch

Sess., ch

49-105

Repe

49-106

The

be obstheir t€

board

the au

nances

those

law anof the

govern

by Sep

49-10;

A.

T

tal ag

servjc(

or dut

tently,agenq

agrees

duties

quired

B. l

to the

be all

assure

deleg2

plishe fflanc(

C. .1

the d€

that ii

iflanc

L

Rece

ThE a haz

try o thes 1

elem

necessary to pro

exists.

2. Authorize in writing any qualified officer or em

ployee in the department to perform any act that the director is authorized or required to do by law. zoio

Recent legislative year Laws 1999, Ch. 26, § 3; Laws 2000, Ch.

225, § 2; Laws 2001, Ch. 21, § 3: Laws 2001, Ch. 231, § 12; Laws

2001. Ch. 400, § 1; Laws 2003, h. 104, § 37; Laws 2010, 2nd Reg.

Sess., Ch. 265, § 1; Laws 2010, 2nd Reg. Sess., Ch. 309, § 14.

49-105. Annual report on violations and enforce

ment

Repealed by Laws 2003, Ch. 104, § 38.

49-106. Statewide application of rules

The rules adopted by the department apply and shall

be observed throughout this state, or as provided by

their terms, and the appropriate local officer, council or

board shall enforce them. This section does not limit

the authority of local governing bodies to adopt ordi

nances and rules within their respective jurisdictions if

those ordinances and rules do not conflict with state

law and are equal to or more restrictive than the rules

of the department, but this section does not grant local governing bodies any authority not otherwise provided

by separate state law. 198749-107. Local delegation of state authority

A. The director may delegate to a local environmen

tal agency, county health department, public health services district or municipality any functions, powers

or duties which the director believes can be compe

tently, efficiently and properly performed by the local

agency if the local agency accepts the delegation and

agrees to perform the delegated functions, powers and duties according to the standards of performance re

quired by law and prescribed by the director.

B. Monies appropriated or otherwise made available

to the department for distribution to local agencies may

be allocated or reallocated in a manner designed to

assure that the recognized local activities and the

delegated functions, powers and duties are accom plished according to the applicable standards of perfor

mance.

C. The director may terminate, for cause, all or part of

the delegation and reallocate all or part of any monies

that may have been conditioned on the further perfor

mance of the delegated functions, powers and duties. 2000

Recent legislative year: Laws 2000. Ch. 11, § 20.

49-108. Hazardous materials emergency response operations

The director of environmental quality shall establish

a hazardous materials emergency response and recov

ery organizational unit in the department to function as the scientific support, health, safety and environmental

element of the hazardous materials emergency man-

49-109. Certificate of disclosure of violations; rem edies

A. The following persons shall file a certificate of

disclosure with the department as prescribed by this

section:

1. A person who is engaged in an activity subject to

regulation under this title and who has been convicted

of a felony involving laws related to solid waste, special

waste, hazardous waste, water quality or air quality in

any state or federal jurisdiction or for a violation of 42 United States Code section 9603 within the five year

period immediately preceding execution of the certifi

cate.

2. Except in proceedings in which the department, or

this state on behalf of the department, is or was a party,

a person who is engaged in an activity subject to regulation under this title and who is or has been subject in any civil proceeding to an injunction, decree, judgment or permanent order of any state or federal

court within the five year period immediately preced

ing the execution of the certificate that involved a violation of laws of that jurisdiction relating to solid

waste, special waste, hazardous waste, used oil or used

oil fuel, petroleum, water quality or air quality, except

for a misdemeanor violation of section 49-550, or a

violation of 42 United States Code section 9603.

B. The certificate of disclosure prescribed by subsec

tion

A of this section shall contain the following:

1. Identification of that person, including without

limitation present full name, all prior names or aliases,

including full birth name, present house address and all

prior addresses for the immediately preceding five year period, date and location of birth and social security number.

2. The nature and description of each conviction or

judicial action, the date and location, the court and public agency involved and the file or cause number of

the case.

3.

A written declaration that each signer swears to its

contents under penalty of perjury.

C. The certificate of disclosure submitted on behalf of

a corporation shall be executed by any two executive officers or directors of that corporation.

D. For purposes of subsection

A of this section,

“person” means a natural person, any public or private corporation, its officers, directors, trustees, incorpora

tors and persons controlling or holding over ten per

cent of the issued and outstanding common shares or

ten per cent of any other proprietary, beneficial or membership interest in the corporation, a partnership, including all general partners and limited partners controlling a ten per cent or more beneficial interest in

the partnership, association 01. society of persons, the

federal government and any of its departments or

agencies, this state and any of its agencies, departad

p

E. The regional planning agency for e

which contains a vehicle emissions control area shall

develop plan revisions containing transportation re

lated air quality control measures designed to attain

and maintain primary and secondary ambient air qual

ity standards as prescribed by and within the time frames specified in the clean air act. In developing the

plan revisions, the regional planning agency shall con

sider all of the following:

1. Mandatory employee parking fees.

2. Park and ride programs.

3. Removal of on-street parking.

4. Ride share programs.

5. Mass transit alternatives.

6. Expansion of public transportation systems.

7. Optimizing freeway ramp metering.

8. Coordinating traffic signal systems.

9. Reduction of traffic congestion at major intersec

tions.

10. Site specific transportation control measures.

11. Reversible lanes.

12. Fixed lanes for buses and carpools.

13. Encouragement of pedestrian travel.

14. Encouragement of bicycle travel.

15. Development of bicycle travel facilities.

16. Employer incentives regarding ride share pro

grams.

17. Modification of work schedules.

18. Strategies for controlling the generation of air

pollution by nonresidents of rionattainment or mainte

nance areas.

19. Use of alternative fuels.

20. Use of emission control devices on public diesel

powered vehicles.

21. Paving of roads.

22. Restricting off-road vehicle travel.

23. Construction site air pollution control.

24. Other air quality control measures.

F. Each regional planning agency shall consult with

the department of transportation to coordinate the

plans developed pursuant to subsection E of this sec

tion with transportation plans developed by the de

partment of transportation pursuant to any other law. 2002

Recent legislative year: Laws 1999, Ch. 295, § 41; Laws 2002, Ch.

110, § 1.49-403. General permits and individual permits; issuance; definition

A.

A person may petition the director or control

officer for a determination that a particular class or

category of sources should be subject to a general permit instead of an individual permit that is issued under this chapter. The petition shall state the grounds

for the determination that is the subject of the petition,

including how the class or category meets the criteria prescribed in the applicable statute or rule for a general permit. The director or control officer shall either grant

or deny the petition within sixty days after its receipt. If

the petition is granted, the director or control officer

Recent legislative year: Laws 2010, 2nd Reg. Sess., h. 287, § 17.

49-404. State implementation plan

A. The director shall maintain a state implementa

tion plan that provides for implementation, mainte

nance and enforcement of national ambient air quality

standards and protection of visibility as required by the

clean air act.

B. The director may adopt rules that describe proce

dures for adoption of revisions to the state implemen

tation plan.

C. The state implementation plan and all revisions

adopted before September 30, 1992 remain in effect according to their terms, except to the extent otherwise provided by the clean air act, inconsistent with any provision of the clean air act, or revised by the admin istrator. No control requirement in effect, or required to

be adopted by an order, settlement agreement or plan

in effect, before the enactment of the clean air act in

any area which is a nonattainment or maintenance area

for any air pollutant may be modified after enactment

in any manner unless the modification insures equiva

lent or greater emission reductions of the air pollutant.

The director shall evaluate and adopt revisions to the

plan in conformity with federal regulations and guide

lines promulgated by the administrator for those pur

poses until the rules required by subsection B are effective. 1999

Recent legislative year: Laws 1999, Ch. 295, § 42.

49-405. Attainment area designations

A. The governor may designate the status and clas

sification of areas of this state with respect to attain

ment of national ambient air quality standards.

B. The director shall adopt rules that both:

1. Describe the geographic extent of attainment,

nonattainment or unclassifiable areas of this state for

all pollutants for which a national ambient air quality standard exists.

2. Establish procedures and criteria for changing the

designations of areas that include all of the following: (a) Technical bases for proposed changes, including

ambient air quality data, types and distributions of

sources of air pollution, population density and pro

jected population growth, transportation system char acteristics, traffic congestion, projected industrial and commercial development, meteorology, pollution

transport and political boundaries.

(b) Provisions for review of and public comment Ofl proposed changes to area designations.

(c) All area designations adopted by the administra

tor as of May 30, 1992.

C. On promulgation by the administrator of new Ot

revised national ambient air quality standards for pol

lutants, the department shall develop proposed recoffr mendations regarding designations for geographic ar

eas of this state as being in attainment



1. SUBMITTAL LETTER FROM GOVERNOR/DESIGNEE

See cover letter

2. EVIDENCE OF ADOPTION

See cover letter

3. STATE LEGAL AUTHORITY FOR ADOPTION/IMPLEMENTATION

See Enclosure 1

4. COMPLETE COPY OF STATUTE/REGULATION/DOCUMENT

Not Applicable

5. WRITTEN SUMMARY OF RULE/RULE CHANGE

Not Applicable

6. RULE CHANGES INDICATED BY UNDERLiNING AND CROSS-OUTS

Not Applicable

7. EVIDENCE THAT ARIZONA ADMINISTRATIVE PROCEDURE ACT REQUII{EMENTS WERE

MET FOR RULE/PLAN

See Enclosure 4

8. EVIDENCE OF PUBLIC HEARING PER 40 CFR 5 1.102

See Enclosure 4

9. PUBLIC COMMENTS AND AGENCY RESPONSE

See Enclosure 4

10. IDENTIFICATION OF POLLUTANTS REGULATED BY RULE/PLAN

See Enclosure 3
13. DEMONSTRATION THAT NAAQS, PSD INCREMENTS AND RFP ARE PROTECTED

See Enclosure 3

14. MODELING SUPPORT

See Enclosure 3

15. EVIDENCE THAT EMISSIONS LIMITATIONS ARE BASED ON CONTINUOUS EMISSIONS

REDUCTION TECHNOLOGY

Not applicable.

16. IDENTIFICATION OF RULE SECTIONS CONTAINING EMISSION LIMITS, WORK PRACTICE

STANDARDS, AND/OR RECORD KEEPING/REPORTING REQUIREMENTS

Not applicable.

17. COMPLIANCE/ENFORCEMENT STRATEGIES

See Enclosure 3

18. ECONOMIC TECHNICAL JUSTIFICATION FOR DEVIATION FROM U.S. ENVIRONMENTAL

PROTECTION AGENCY (EPA) POLICIESNo known deviation from EPA policy
Final Update ofthe Limited Maintenance Plan for the Payson PM10 Maintenance Area

p

of Environmental Quality

Final

Update ofthe LimitedMaintenance Plan

for the Payson PM10Maintenance Area

Air Quality Division

December 2011

1.0. REGULATORY HISTORY I

2.0. PAYSON PM10 MAINTENANCE AREA 4

2.1.L0cATI0N 4

2.2. MONITORING NETWORK 4

2.3. POPULATION 6

2.3.EcoNoMlcs 7

3.0. AIR QUALITY & EMISSIONS INVENTORY 9

3. L AIR QUALITY DATA FOR THE 24-HOUR STANDARD 9

3.2. EMISSIONS INVENTORY—METHODOLOGY 9

3.2.1. Residential Wood Combustion and Construction Activities 10

3.2.2. Industrial Sources 10

3.2.3. On-road Emissions Ii

3.3. EMIssIONs INVENTORY 17

4.0. LIMITED MAINTENANCE PLAN DEMONSTRATION 18

4.1. LIMITED MAINTENANCE PLAN (LMP) OPTION ELIGIBILITY 18

4.2. IMPROVEMENTS IN AIR QUALITY NOT DUE TO TEMPORARY ECONOMIC DOWNTURN OR UNUSUALLY

FAVORABLE METEOROLOGY 19

5.1. REASONABLY AVAILABLE CONTROL MEASURES (RACM) 21

5.1.1. SIP Incorporated Control Measures 21

5.1.2. Supplemental Control Measures 22

5.2. PERMANENT AND ENFORCEABLE CONTROL MEASURES 23

5.3. CONTINGENCY MEASURES 23

6.0. REGULATORY COMMITMENTS 25

LIST OF FIGURES

Figure 1.1 Map of Payson Land Ownership Type

Figure 2.1 Map of Payson PM10 Maintenance Area

Figure 3.1 VMT in Payson Maintenance Area (2007)

Figure 4.1 Payson Area 24-hour PM10 Values

LIST OF TABLES

Table 1.1 24-Hour Exceedances ofthe PM10 NAAQS in Payson 1989— 1994

Table 2.1 Monitoring Network

Table 2.2 Decennial Census Population ofthe Town of Payson and Gila County: 1970-20 10 Table 2.3 Estimated Population ofthe Town of Payson and Gila County: 2002-2008

Table 2.4 Population Projections for the Town of Payson and Gila County: 20 15-2025

Table 2.5 Pre-Attainment Designation Civilian Labor Force Data for the Town of Payson Table 2.6 Civilian Labor Force Data Update for the Town of Payson

Table 3.1 Payson Area Permitted Sources & Reported 2008 PM10 Emissions

projecting attainment of the PM10 NAAQS by 2001 with the implementation of control measures. Following a three-year period when there were no measured exceedances of the NAAQS (1998-2000), ADEQ submitted to EPA the 2002 Payson Moderate Area PM10 Maintenance Plan and Request for Redesignation to Attainment. The plan was approved in 2002, resulting in a redesignation to attainment for the PM10 standard and qualification for a Limited Maintenance Plan (LMP) option for continued reporting and planning requirements. Annual reports have been filed under the LMP option for the area for the years 2003 through 2009.

Pursuant to the Clean Air Act (CAA) Sec. 1 75A(b), “8 years after redesignation of any area as an attainment area under section 107(d), the State shall submit to the Administrator an additional revision of

the applicable State implementation plan for maintaining the national primary ambient air quality standard for 10 years after the expiration of the 10-year period referred to in subsection (a).” This SIP updates the 2002 Payson Moderate Area PM10 Maintenance Plan and Request for Redesignation to Attainment, providing for the maintenance of the national primary ambient air quality standard for the

years 2012 through 2022, consistent with the provisions of CAA Sec. 175A(b).

Analyses demonstrate that ambient air

quality measurements have remained below the

NAAQS for PM10,the 24-hour average design

value remains below EPA’s LMP eligibility

threshold, and there is likely continued

achievement of eligibility criteria based on area

motor vehicle growth projections. This

document also demonstrates that the emission

reduction control measures primarily

responsible for the air quality improvement are

both permanent and enforceable. These control

measures include reasonably available control

measures (RACM) to reduce fugitive dust

emissions and measures to reduce residential

wood combustion emissions. The document also

includes a brief discussion of the PM10

regulatory history of the Payson area, a

description of the community and maintenance

area, an updated emissions inventory,

demonstration of continued LMP eligibility and

regulatory commitments. ADEQ will continue

to provide EPA with annual monitoring reports

as outlined under the LMP option for the second

ten-year period under the maintenance plan,

2012-2022.

• Pir Quality Monitor

Payson Municipal Boundary

PMl0Attainnientwith a Maintenance Plan Areaj

2 25 5

I r I

3 5Ies

Final Update to the Limited Maintenance Plan for the Payson PM10 Maintenance Area 1

As a small community, there are no significant sources of air pollution in the area and the town generally experiences a healthy air climate; however, prior to the implementation of EPA wood burning stove new source performance standards in 1988 and Town adoption of ordinances to mandate the cleaner burning stoves, cold winter nights lead to significant use of wood burning stoves and fireplaces. These wood burning stoves and fireplaces led to elevated PM10 concentrations in the area above the Clean Air

Act (CAA) prescribed standard for the pollutant.’ The air quality issues experienced by the Town were further compounded by other sources including unpaved roads and parking lots and industrial facilities. On eleven days in 1989 and 1990, air quality monitors located in the Payson, Arizona PM10 planning area recorded exceedances ofthe 24-hour PM, 0NAAQS (Table 1.1). On December 21, 1993, EPA designated the central portion of Gila County that includes the community of Payson as a moderate PM10 nonattainment area, effective January 20, 1994 (58 FR 67334). As a result of this action, the State was

required to submit to EPA a PM, 0 State Implementation Plan (SIP) which included an attainment

demonstration for the area.

The notation PM10 refers to particulate matter 10 micrometers in diameter or less (or about one-seventh the width of a human hair) and raises health concerns such as respiratory problems, lung damage, cancer, and premature death at unhealthy exposure levels. For more information about PM10,please see http:!/wwwepa.gov/air/particlepol lution!

Figure 1.1

• PMIO Ait Quality Monitor - Payson Municipal Boundaly

Prisale

3 Tonto National Fora

sate Trust

Yavopui TontuApanha Res.

Payson Land Ownership Type of Ernioonoool Qoolhy

.-hdlro: N. Caroli ussr 1.2010

Final Update to the Limited Maintenance Plan for the Payson PM, 0Maintenance Area 1
January 16, 1989 January22, 1989 153

February 15, 1989 150December 12, 1989 161

December 18, 1989 190January11, 1990 168January23, 1990 156

February 16, 1990 156

December 7, 1990 182

December31, 1990 287

In June 1995, the Arizona Department of Environmental Quality (ADEQ) submitted to EPA the

PM10 State Implementation Plan for the Payson PM10 Nonattainment Area. The SIP contained air quality

modeling for the design year 1990 and projected attainment in the year 2001 based on emission

reductions from certain PM10 sources (such as unpaved roads and parking lots). The 1990 base year

emissions inventory is comprised of PM10 emissions from paved and unpaved roads, wood smoke, and

industrial sources. The attainment demonstration was based upon the impact of implemented Reasonably

Available Control Measures (RACM) that reduced PM10 emissions generated from the identified source

categories, the closure of two industrial sources, and more stringent EPA standards for woodstoves (A

more detailed discussion of air quality for the Payson Maintenance Area is included in Section 3.0, Air

Quality and Emissions Inventory). The demonstration also took into account the increases or decreases in

PM10 that would result from changing land use patterns and the growth in population and vehicle traffic

between 1990 and 2001 in the Payson area.

PM10 concentrations reported at the Payson monitoring site between 1998 and 2000 showed no

measured exceedance ofthe 24-hour PM10 NAAQS. The three-year average was less than one exceedance

per year, which indicated the Payson area attained the 24-hour PM10 NAAQS. As a result, EPA

redesignated the Payson PM10 planning area from nonattainment to attainment, effective August 26, 2002

(67 FR 43013). Included in the 2002 Payson Moderate Area PM10 Maintenance Plan and Requestfor

Redesignation to Attainment was an assessment and demonstration of the Payson area eligibility for the

2PM10State Implementation Planfor the Payson Nonattainment Area, ADEQ, June 1995.

Final Update to the Limited Maintenance Plan for the Payson PM10 Maintenance Area 2
ADEQ have shown the applicable reporting for attainment of the 24-hour PM10 NAAQS and the Payson

PM10 planning area 24-hour design value criteria reporting required for LMPs (the method for calculating

design values for PM10 is detailed in PM10 SIP Development Guideline, EPA-45012-86-001, June 1987).

Annual maintenance demonstrations for the 24-hour PM10 NAAQS will continue to be filed as required

through the maintenance period, ending in 2022.

August 21, 2001 Wegman Memorandum: Limited Maintenance Plan Option for Moderate PM10 Nonattainment

Areas

Final Update to the Limited Maintenance Plan for the Payson PM10 Maintenance Area 3
The Payson maintenance area contains four complete townships and is 144 square miles in size

(40 CFR § 81.303). The Town of Payson is approximately in the center of the geographic area covered.

The Payson maintenance area is defined by the following townships (see Figure 2.1):

T1ON, R9E, sections 1-3, 10-15, 22-27, and 34-36

T11N, R9E, sections 1-3, 10-15, 22-27, and 34-36

Tb-i IN, RIOE

T1ON, Ri 1E, sections 4-9, 16-21, and 28-33

T11N, RilE, sections 4-9, 16-21, and 28-332.2. Monitoring Network

Ambient concentrations of both Total Suspended Particulates (TSP) and PM10 have been

measured in Payson since 1974. Ambient concentrations of TSP were measured from 1974 to 1987. In

July 1987, ADEQ began monitoring ambient concentrations of PM10.Initially, the ambient particulate

monitor was located in downtown Payson from 1974 to 1977. The particulate monitor was moved to the

Tonto National Forest Ranger Station in 1977 and operated at that site until 1980. Recorded PM levels at

the Tonto Ranger Station were much lower than the recorded levels at the Payson downtown site, due to

its location two miles north of downtown Payson. The new site was not subject to the same urban

particulate sources and influences as the downtown site. As a result, in 1980, the Tonto Ranger Station

monitor was relocated to the Gila County Sheriff’s office at 108 West Main Street. In June 1991, a new

roof was added to the Sheriff’s office, making it necessary to move the PM10 monitor to a new location. In

July 1991, the PM10 monitor was relocated approximately 0.25 miles west to the roof of the single story

US West building at 300 West Main Street. In January 1999, sampling at the US West building was

concluded and the PM10 monitor was relocated to 204 W. Aero Drive (the Payson water treatment plant),

approximately one mile southeast of the US West site. It is the intent of ADEQ to operate the Payson

PM10 monitor through tile maintenance period, ending in 2022. The site is operated on a once every sixthday sampling period. The location, method, and parameters measured are detailed below.

Table 2.1

Monitoring Network

Began Type of Pollutants

Site Address Operating Latitude Longitude Device Measured Classification Scale Objective

Payson, 204W. 1999 340 14’ 1110 20’ Partisol PM10 State and Local Neighborhood General

Aero Drive Air Monitoring population

Station exposure

4Thornthwaite Climate Regions (Hecht, Melvin, N., and Richard W. Reeves, The Arizona Atlas, Office of Arid

Lands Studies, University of Arizona, Tucson, 1981, pp. 64).

Final Update to the Limited Maintenance Plan for the Payson PM10 Maintenance Area 4
• Air Quality Monitor

1 I pMiliAttainmerg with a Maintenance Plan

Cities

Inctian Reneivatioti

County

Township/Range

ADEQ Artwoo l3upartcnunt of Environmental Quality

Qeojlm!n H, Gn.,bIcs, flj,rsto,

Snptember 03, 2010- Author N. Caroli

STRAWBERRY

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Payson PM10

Maintenance Plan Area

Final Update to the Limited Maintenance Plan for the Payson PM10 Maintenance Area 5
Decennial census data for Payson and Gila County are shown in Table 2.2. As evidenced in the

2010 census data, the populations of Payson and Gila County have continued to grow. Table 2.3 shows

Arizona Department of Commerce estimates of the population of the town and county from the period

2002 to 2008. The population in the area is projected to continue growing, albeit at a lower rate than

historical levels. Table 2.4 includes Arizona Department of Commerce population projections for both the

Town of Payson and Gila County for the years 2015 through 2025.

Table 2.2

Decennial Census Population of the Town of Payson and Gila County: 1970-2010

April 1 April 1 April 1 April 1 April 1

Year 1970 1980 1990 2000 2010

Payson 1,787 5,068 8,377 13,620 15,301

Gila County 29,255 37,080 40,216 51,335 53,597

SOURCE: Arizona Department of Commerce

http://www.azcommerce.com/doclib’econinlo/FILES/censusdecennialpdf

http.I!www.azstats.gov!pubs/demoeraphy/April 1 201 OPopulation.pdf

Table 2.3

Estimated Population of the Town of Payson and Gila County: 2002-2008

Year

Payson

Gila County

2002

14,510

52,655

2004

15,170

54,055

2006

15,625

56,800

2008

16,965

57,361

SOURCE: Arizona Department of Commerce

http://vww.azcommerce.corn!docIib/econinfo/FILES/estimates 1980_2008.xls

Final Update to the Limited Maintenance Plan for the Payson PM10 Maintenance Area 6
Gila County 61,128 64,396 67,344

SOURCE: Arizona Department of Commerce

http://www.azcommerce.corn/doclib/econinfo/F1LES/2006GiIaProectionsJ1J Rixis

2.3. Economics

Economic activity in Gila County can be described as divided between mining activities in the south and tourism in the north where Payson is located. Since Payson is a recreational and retirement

community, retail trade and various service industries play an important role in the local economy. Because of the popularity of this area, permanent residents and tourists have increased demand for

lodging, restaurants, and various businesses related to tourism, including retail. 5The economic industry base for the region has not changed significantly since the 2002 Payson PM10 Limited Maintenance Plan

was submitted; the area continues to serve predominantly as a retiree community with significant tourism.

According to a 2008 report prepared by the Arizona Department of Commerce, Economy of Payson and Star Valley, 6overall employment levels in various sectors of the economy are lower than in

comparable communities due, in part, to the relatively large proportion of seasonal residents and retirees.

The report indicates the senior citizen portion of the population is double state and national averages and that the proportion of seasonal housing units is higher than average as well. Major employment sectors include government, health care, lodging and entertainment. The Payson Unified School District, Gila

County, the Mazatzal Casino of the Tonto Apache Tribe, and the Payson Regional Medical Center are

some ofthe area’s largest employers.

Tables 2.5 and 2.6 show selected time series of civilian labor force data both before the Payson

area attainment designation and for the period following that designation. The unemployment rate fell to a low of 2.8% in 2000 and generally averaged between 3-5% until the later part of the decade. In 2008 the

unemployment rate for the Town of Payson rose to 6.2% due to nation-wide recession conditions and has

continued to remain above recent historical norms. The increased unemployment rate for the area has notresulted in an associated population exodus, and it is anticipated that the unemployment rate will return to

historical levels as national, state, and local economic conditions recover.

5According to Arizona Department of Revenue, taxable sales in Gila County have increased from $220,271,939 in fiscal year 1999-2000, to a high of $308,440,601 for fiscal year 2007-08. In fiscal year 2008-09, taxable revenues fell to $276,550,207 a decrease of approximately 10% over the previous year. Recent Arizona Department of Revenue Annual Reports are available at htp://www.azdor.gov/ReportsResearch/AnnualReports.aspx. referenced report is available online at

http://wwwazcomrnerce.com/doclib/PROP/Originals/Community%20Econom ic%20Analysis/Plateau/Payson/Payso llf

Final Update to the Limited Maintenance Plan for the Payson PM10 Maintenance Area 7
SOURCE: Arizona Department of Economic Security. Data represent annual averages.

Table 2.6

Civilian Labor Force Data Update for the Town of Payson

Year 2002 2004 2006 2008 May 2010

Civilian Labor Force 5,909 5,851 5,907 6,413 6,468

Number Unemployed 326 274 219 397 518

Unemployment Rate I 4.7% 3.7% 6.2% 8.0%

SOURCE: Arizona Department ofCommerce, v. w v.. workfbrceaz.gov

7Unemployment data reported for May 2010 is a “snapshot” of employment conditions and not an annual figure.

Final Update to the Limited Maintenance Plan for the Payson PM10 Maintenance Area 8
emissions generated from identified source categories, including completed paving activities, the closure oftwo industrial sources in 1993, and other control measures. Further, from the time ofthe submission of

the 2002 Payson Moderate Area PM10 Maintenance Plan and Requestfor Redesignation to Attainment, and over the course of the maintenance period to date, observed ambient concentrations and calculateddesign values (required in annual reporting) were significantly below the NAAQS, 150 jig/rn 3.

Whereas compliance with the NAAQS is evaluated based on the recorded high PM10 concentration events over the course of a year, the emissions inventory establishes an emissions profile of

an average day based on the annual emissions for identified source categories. There are some differences in the proportional contribution of various source categories derived in this inventory when compared to previous analyses. This is due in part to area growth and development, changing technologies, implemented control measures, as well as the improvement of assessment methodologies and technical tools since previous submittals. The following sections in this chapter provide a discussion of the methodology used to update the emissions inventory for the area from identified contributing source categories and a presentation of the derived inventory.

3.2. Emissions Inventory— Methodology

The LMP option requires an update of the emissions inventory along with the demonstration of continued eligibility through the end of the maintenance period, in this case the year 2022, through an analysis of potential motor vehicle emissions growth. The emissions inventory is used to determine the factors used in this growth analysis (see Section 4.1, LMP Option Eligibility).

The following emissions inventory updates the Limited Maintenance Plan for the Payson Maintenance Area in part with data from the 2008 National Emissions Inventory (NET); for mobile and industrial source categories, localized data with greater specificity was used to determine source contribution levels. The methodology used to determine contribution of the various sources is largely the

same as conducted in 2002, except for the motor vehicle portions ofthe inventory. The on-road emissions

were updated using a combination of Arizona Department of Transportation’s Highway Performance Monitoring System (HPMS) traffic counts data (for 2007) and the generation of spatially explicit local paved and unpaved roads data.

The source categories used in the emissions inventory are the same as previously identified in the 2002 Payson Moderate Area PM10 Maintenance Plan and Requestfor Redesignation to Attainment. These categories include:

• residential wood combustion • unpaved roads — fugitive dust

• construction activities • paved roads — fugitive dust

• industrial sources • paved roads — exhaust

• reentrained dust • brake and tire wear

Final Update to the Limited Maintenance Plan for the Payson PM10 Maintenance Area 9
Maintenance Area (using the April 1, 2008, population estimates, Table 2.3).

Population adjustments:

2008 Payson Area Population = 16,965

2008 Gila County Population 57,361

Adjustment Ratio, 16,965/57,36 1 0.296 (0.3)

Construction Activities

The NET reported a total of 375 tons of PM10 per year from construction activities in the County

during 2008. Based on the population scaling ratio, PM10emissions from construction in the Payson PM10

Non-Attainment Area were estimated to be 112.5 tons per year.

Residential Wood Combustion

The NET reported a total of 53 tons per year from residential wood burning in the County in 2008.

Based on the population scaling ratio, PM10 emissions from residential wood burning in the Payson PM10

Non-Attainment Area were estimated to be 15.9 tons per year. 8

3.2.2. Industrial Sources 9

Industrial sources emissions data for 2008 were provided to the department by permitted sources

in response to an annual survey conducted by ADEQ. Emissions in this category totaled 2.54 tons per

year; less than one percent of the 2008 emissions inventory (see Table 3.5.). The following table (Table

3.1) is a listing of all active permits in the Payson Maintenance area and their reported annual emissions

for 2008. Included in the list of sources is an identification of state regulations incorporated into permits

issued by ADEQ that acknowledge and control for PM10 emissions from the facilities. Notably, the PM10

emissions from permitted facilities in the maintenance area are low and any potential new source

development will require emission constraints consistent with the regulatory ranges appropriate for the

maintenance area.

8 This figure represents a significant reduction in PM10 emissions from residential wood combustion due to the

implementation of federal NSPS. The emissions attributed to the source category have fallen from an estimated

158.8 metric tons in 1990 (1995, Final PM, 0State Implementation Planfor the Payson Nonattainment Area to the

current estimate of 15.9; a 142.9 metric ton reduction in the area.

The identification ofstate regulations for permitted facilities is provided as supplemental information, not for

incorporation into the SIP as federally enforceable control measures for the Payson PM10 Maintenance Area.

Final Update to the Limited Maintenance Plan for the Payson PM10 Maintenance Area 10
Class Cleaners Dry Cleaning 0.0023 Ri 8-2-724

Ri 8-2-702

RI 8-2-324

Gila Redi-Mix RI 8-2-723 Inc Concrete Batch Plant I .082 1 Ri 8-2-702

Article 6

RI 8-2-719

RD Supply Waterworks LTD Generator 0.0130 R18-2-702

Article_6

Ri 8-2-702

Mortuary/Crematorium Ri 8-2-704 Mountain Meadows Memorial - Park 0.0344 Ri 8-2-801 Humans

Ri 8-2-804

Article_6

Ri 8-2-324

Payson Concrete R18-2-723 and Materials, Inc. Concrete Batch Plant 0.3221 RI 8-2-702

Article_6

Ri 8-2-324

Payson Concrete Rock Crusher/Screener Ri 8-2-708 and Materials, Inc. Plant 0.7385 Ri8-2-702

Article_6

Ri 8-2-324

Payson Concrete RI 8-2-723 and Materials, Inc. Asphalt Batch Plant 0.3522 Ri 8-2-702

Article_6

3.2.3. On-road Emissions

PM10 Emissions Factors

Exhaust, Tire, and Brake Wear: Paved and Unpaved Roads

PM10 exhaust and tire and brake wear emissions factors were derived based on EPA’s

National Mobile Inventory Model (NMIM). ADEQ programmed NMTM to extract vehicle miles

traveled (VMT) and PM10 emissions from exhaust, tire, and brake wear for 2008 for Gila County, Arizona including all twelve NMIM vehicle types. PM, 0 emissions factors were then backcalculated from NMIM’s output. The result was one emissions factor per vehicle class per roadway functional classification. The classes were grouped into the two main categories: 1)

‘°

The identification ofstate regulations for permitted facilities is provided as supplemental information, not for incorporation into the SIP as federally enforceable control measures for the Payson PM, 0Maintenance Area.

Final Update to the Limited Maintenance Plan for the Payson PM, 0Maintenance Area 11
vehicle class in each roadway functional classification. Table 3.2 contains the PM, 0exhaust and

tire and brake wear emissions factors’ 2.

Reentrained Dust

Unpaved Roads

ADEQ used an emissions factor of 185.3 grams per mile, consistent with the previous

LMP submittal.’ 3While the AP-42 calculation for the emissions factor was updated in 2006, there

are not sufficient localized empirical data for recalculation; therefore, the same factor was used

for the updated inventory.

Paved Roads

The EPA equation for reentrained dust emissions factors from paved roads in AP-42 was

updated in January 2011 (an approximate 67% decrease), after the submission ofthe 2002 Payson

LMP. The change in the AP-42 emissions factor calculation reduced the emissions outcome for

the identified source category in the updated emissions inventory when compared to previous

iterations.

Taking these changes into consideration, ADEQ derived paved roads reentrained fugitive

dust emissions factors from AP-42 Volume I, Fifth Edition, Sections 13.2.1.1 through 13.2.1.15.14

The formula (1) in Section 13.2.1.3 (ofAP-42) is reproduced below:

E=k(sL)° 9’x(W)’° 2, (1)

Where:

E particulate emissions factor (having units matching the units of k),

k = particle size multiplier for particle size range and units of interest,

sL = road surface silt loading (grams per square meter) (g/m 2), and

W = average weight (tons) ofthe vehicles traveling the road.

‘ http://www.fh wa.dot.gov/oh im!hpmsman 1!chapt4.cfm

12 Emission factors for Rural Interstate, Urban Interstate, and Urban Other Freeways and Expressways are not

provided because these roadway classifications were not found in the NMIM output for Gila County. These roadway

classifications were also not present in HPMS 2007 data for the Payson PM10 Maintenance Area.

13 The applied emission factors for unpaved roads can be found on page 22 ofthe 2002 Payson Moderate Area PM10

Maintenance Plan and Requestfor Redesignation to Attainment.

14 http:/i’wwwepa.ov/ftnchie I /ap42/

Final Update to the Limited Maintenance Plan for the Payson PM10 Maintenance Area 12
Table 3.2

PM10 Emissions Factors (g/VMT) for Tire, Exhaust, and Brake Wear in Gila County

by Roadway Functional Class and Vehicle Class*

r_________ Roadway Functional Class

Vehicle Class Rural Rural Rural Rural ae Urban U

. . Minor Major Minor Local . . Minor Principal Arterial Collector Collector (unpaved) Pnncipal Arterial Co

Passenger Vehicles

LDGV 0.0250 0.0250 0.0250 0.0251 0.0251 0.0252 0.0252 0

LDDV 0.0986 0.0986 0.0986 0.0986 0.0986 0.0987 0.0987 0

MC 0.0371 0.0371 0.0371 0.0372 0.0372 0.0373 0.0373 0

Average 0.0536 0.0536 0.0536 0.0536 0.0536 0.0537 0.0537 0

Trucks

LDGT1 0.0254 0.0254 0.0254 0.0255 0.0255 0.0255 0.0255 0

LDGT2 0.0261 0.0261 0.0261 0.0261 0.0261 0.0262 0.0262 0

HDGV 0.0738 0.0736 0.0742 0.0742 0.0742 0.0723 0.0723 0

LDDT 0.1074 0.1072 0.1072 0.1075 0.1073 0.1076 0.1075 0

HDDV2b 0.1205 0.1205 0.1205 0.1205 0.1205 0.1205 0.1205 0

HDDV(3,4,&5) 0.1134 0.1134 0.1134 0.1134 0.1134 0.1134 0.1134 0

HDDV (6 & 7) 0.2163 0.2163 0.2163 0.2163 0.2163 0.2163 0.2163 0

HDDV (8a & 8b) 0.3039 0.3039 0.3039 0.3039 0.3039 0.3039 0.3039 0

HDDBT & HDDBS 0.5202 0.5202 0.5201 0.5200 0.5201 0.5201 0.5202 0.

Average 0.1674 0.1674 0.1674 0.1675 0.1675 0.1673 0.1673 0.

*

Source: NMIM.

Final Update to the Limited Maintenance Plan for the Payson PM10 Maintenance Area 
Table 3.3

PM10 Fugitive Dust Emissions Factors

Fugitive Dust

Emissions Factor

(gfmile)

Unpaved roads 185.3Paved roads 0.7572

AnnualAverage Daily Travel (AADT) and Vehicle Miles Traveled (VMY’)

Activity levels for on-road PM10 emissions were determined using the Arizona

Department of Transportation’s Highway Performance Monitoring System (ADOT-HPMS) for2007, a geospatially-referenced database (“geodatabase”) of publicly-maintained roads in

Arizona. The geodatabase includes Annual Average Daily Traffic (AADT) counts on roadway

segments and sampling segment lengths in miles for major and minor arterials (i.e., freeways,

expressways) and major and minor collectors. It does not, however, contain data on local roads.

To address this limitation, ADEQ digitized local paved and unpaved roadway centerlines in ageographic information system (GIS) using 2007 aerial photography from the USDA’s National

Agriculture Imagery Program (NAIP), at a cartographic scale of 1:2000. Lacking AADT counts

for local roads, an assumed value of 10 AADT for these roads (paved and unpaved) was used. 15

In GIS, I-IPMS roadways within the Payson PM10 Maintenance Area were extracted and VMT

calculated by multiplying the AADT value in road segment by the segment’s length in miles.Figure 3.1 shows VMT both for HPMS and digitized local roads in 2007 in the Payson PM10

Maintenance Area.

15 ADEQ studied the digitized unpaved roads for the Payson planning area and found a total of 141 miles of unpaved

roads. Based on the number of houses on an unpaved road, the AADT could range from 100 to 0. A rough estimate

of the Vehicle Miles Traveled (VMT) on any section of unpaved road could range from 0 to 300. The sum of

unpaved road VMT is on the order of 1400 VMT, which results in estimated AADT of 10. The range of AADT is in

the same range found in the “Maricopa Five Percent Plan” (AADT range from 4 to 150).

Final Update to the Limited Maintenance Plan for the Payson PM10 Maintenance Area 14
Vehicle-Miles Traveled (2007)

‘ 0-10 11-1,000 1,001 -30,000 /N/ 30,001 -64,000

I Payson PMio Maintenance Area 0 1.25 2.5 5 Data Source: HPMS 2007

Final Update to the Limited Maintenance Plan for the Payson PM10 Maintenance Area 15
On-Road Emissions Calculation Summary

ADEQ applied the emissions factors in Table 3.2 to VMT in each roadway segment

separately to passenger vehicle and truck categories to calculate PM10 emissions from exhaust,

tire, and brake wear. Because fugitive dust is not dependent on vehicle type mix, ADEQ applied

the fugitive dust emissions factor directly to VMT to calculate these emissions. Table 3.4

summarizes VMT and fugitive dust and tire, exhaust and brake PM10 vehicular emissions in 2007

in the Payson PM10Non-Attainment Area.

State Routes 87 and 260 are the main routes in Payson, and consequently, have the

highest AADT values. The portions of both routes that cross through the town, however, are

represented in HPMS as separate roadway segments classified as Rural Major Collector, Rural

and Urban Other Principal Arterial, or Urban Minor Arterial. ADEQ summarized VMT and

emissions for Arizona State Routes 87 and 260 separately, to adequately characterize VMT and

emissions in all segments of those two main roadways. For clarification, the total VMT and

emissions for Rural Major Collector, Rural and Urban Other Principal Arterial, and Urban Minor

Arterial do not include segments of those roadway classifications that were part of State Routes

87 or 260.

Roadway Name or Yearly VMT

Roadway Class (2007)

Table 3.4

Vehicular Data for 2007 for the Payson PM19 Maintenance Area

Fugitive Tire, Exhaust,

Dust PM10 & Brake PM10

(tpy) (tpy)

Paved Roads

SR-87 65046,464 54.29 5.73

SR-260 27,448,297 22.91 2.10

Urban Minor Arterial 16,331,967 13.63 1.00

Rural Major Collector 5,160,532 4.31 0.34

Urban Collector 4,378,434 3.65 0.26

Urban Local 438,915 0.37 0.03

Rural Minor Collector 196,747 0.16 0.01

Total Paved 119,001,356 99.33 9.47

Unpaved Roads

Rural Local 514,549 105.10 0.03

Total Unpaved 514,549 105.10 0.03

Total 119,515,905 204.43 9.50

16 http:1íwww t1iwa.dot.ov/oli im ‘hpnisnianilchapt4. cfin

17 A breakdown ofthe emission estimations by road segment is available upon request.

* tpy: tons per year

Final Update to the Limited Maintenance Plan for the Payson PM10 Maintenance Area 16
categories. Since the maintenance designation, however, the ambient monitoring data shows significant

improvements in air quality and the area continues to pass the motor vehicle growth demonstration (see

Section 4.1, LMP Option Eligibility).

Table 3.5

Payson PM10 Maintenance Area — 2008 Emission Estimates*

Payson PM10 Emissions Percent of total Maintenance

Source Category (tons per year) Area PM10 PM10 Emissions in

Emissions Payson Gila Payson (tons per day) Maintenance Area

Unpaved Roads - Fugitive Dust nla** 105.10 0.29 30.4

Paved Roads - Fugitive Dust nla** 99.33 0.27 28.8

Paved and Unpaved Roads - Exhaust, Tire, n/a** 9.50 0.26 2.8 and Brake Wear

Construction 375 112.5 0.31 32.6

Residential Wood Combustion 53 15.9 0.04 4.6

Industrial Sources nla** 2.55 0.007 Less than 1

Total

- 344.88 0.923 100.0

Onroad Emissions Total nla** 213.93 0.586 62

* Figures provided are based on the population ratio discussed in section 3.2, except for industrial sources.‘Emissions in this category were not apportioned from NEI totals for Gila County to the Payson PM10 NAA.

Final Update to the Limited Maintenance Plan for the Payson PM10 Maintenance Area 17
nonattainment area. If the DV exceeds the 98 jLg/m 3limit, then the site-specific Critical Design Value

(CDV) must be calculated (see Attachment A of the LMP Option for Moderate PM10 Nonattainment

Areas memo). If the DV is less than the CDV, the maintenance area also qualifies for the LMP option.

Second, an area should expect only limited growth in on-road motor vehicle PM10 emissions (including

fugitive dust) and should have passed a motor vehicle regional emissions analysis test.’ 8 The analyses

below show how both criteria for eligibility have been met.

Based on the most recent five years of air quality data, 2006-2010, the 24-hour design value for

the Payson area is 66 jig/rn 3(Figure 4.1). This is well below the EPA LMP eligibility criteria of 98 jig/rn 3

for the 24-hour NAAQS and calculation ofthe CDV is not required. Further, during the time period there

have been no violations ofthe NAAQS.

Figure 4.1

_+66 62 - 40 42

Eô Max 24-how Sample (pg/rn3) —24-hour NAAQS Standard

Lz- 24-hour LMP Criteria Design Value

A motor vehicle regional analysis for the Payson area, the second criteria for eligibility, is

performed using the methods described in Attachment B of the “LMP Option for Moderate PM10

‘8The regional emission analysis test is used to determine whether increased emissions from on-road mobile sources

could, in the next 10 years, increase concentrations in the area and threaten the assumption of maintenance that

underlies the LMP policy.

Payson Area 24-hour PM1O Values

160

140

en

o 100

80

60

L)4O

20

0

2006 2007 2008

Years

2009 2010

Final Update to the Limited Maintenance Plan for the Payson PM10 Maintenance Area 18
Where:

DV = the area’s design value based on the most recent 5 years of quality assured data in ug/m 3

VMT, the projected percentage increase in VMT over the next ten years’ 9 DVmv = motor vehicle design value based on on-road mobile portion of the attainment year inventory in ug/rn 3

MOS = margin of safety for the relevant PM, 0 standard for a given area: 98 jig/rn 3for the 24-hour standard

Applying the test for the 24-hour average PM10 standard yields the following result: DV = 66 jig/rn 3

VMT, = 23.8 percent

DVmv = 40.9 jig/rn 3(estimated using the PM, 0emissions in Table 4-1) MOS 98 jig/rn 3for 24-hour average PM, 0standard

66 + (0.238 * 40.9) 75.7 ug/m 3

Because the Motor Vehicle Regional Analysis is less than 98 jig/rn 3,the area continues to pass this criterion for the 24-hour average PM, 0standard.

4.2. Improvements in Air Quality Not Due to Temporary Econornic Downturn or Unusually Favorable Meteorology

Data provided previously show significant population growth in Payson between 1970 and 2008,

see Tables 2.2 and 2.3, with continued growth expected into the future, see Table 2.4. While the local unernployment rate has varied sornewhat over time, total labor force data from 1990 through 2010 also demonstrates growth in the area, see Tables 2.5 and 2.6. The recent decline in growth rate and employment for the area (corresponding to a more widespread decline in the economy starting in 2008), however, is not correlated to the lower observed PM, 0concentrations in Payson. During the eight-year period during which the Limited Maintenance Plan has been in place the area has maintained levels below the PM, 0LMP option eligibility threshold (98 jig/rn 3),regardless of economic growth or contraction. The continued maintenance of the PM, 0 NAAQS is not due to the temporary economic downturn recently observed. Further, a full range of meteorological conditions, both favorable and unfavorable, have been observed yet maintenance continues.

19 Based on a trend analysis of the most recent 10 years of HPMS data, ADEQ calculated an increase in VMT to be approximately 20,000,000 per year or 200,000,000 over a 10 year period for Gila County. Based on an annual VMT of 840,000,000 for the county in 2008 it represents an increase of 23.8%. The same percentage (23.8%) is applied for the Payson VMT growth projection.

Final Update to the Limited Maintenance Plan for the Payson PM10 Maintenance Area 19
Final Update to the Limited Maintenance Plan for the Payson PM10 Maintenance Area 20
y

attainment of the PM10 NAAQS. Implemented RACM that reduced PM10 emission generated from other identified source categories, including paving activities and other general measures, further reduced PM10

emissions in the area.

Since existing industrial sources contribute less than one percent to the total 2008 PM10 emission

estimates (Table 3.3), the RACT requirement does not apply to the Payson area with respect to either primary or secondary PM10 emissions. PM10 emissions from existing industrial sources in the area are

regulated under the ADEQ air permit program. Air quality permits are required for existing industrial

sources and ensure adequate control of PM10 emissions and contain PM10 controls such as production or discharge limits; maintenance and installation of air pollution controls (e.g. baghouses, water sprays, enclosures, shrouds, or scrubbers; and use of dust suppressants, soil stabilizers or wetting agents on haul roads, storage piles, and parking areas). The Air Quality Permits that cover the industrial sources listed in

Table 3.1 require annual reporting of compliance status with permit requirements to ADEQ and allow for

inspection ofthe facilities to ensure compliance.

5.1.1. SIP Incorporated Control Measures

The following control measures were responsible for bringing the area into attainment and were

approved by EPA in 200220:

State of Arizona

-ADOT installed 2 miles of curbs and gutters on Arizona State Highway 87 from the intersection

of Highways 87 and 260 to Roundup Road in 1992.

-ADOT installed 5 miles of paved shoulders on Highway 87 North and Highway 260 East when

those stretches were widened in 1992.

-ADEQ issued a rule, Arizona Administrative Code (A.A.C.) RI 8-2-607, that requires control of storage piles to minimize fugitive emissions. 21

The Town of Payson

-The Town of Payson paved 4 miles of unpaved roads that were unpaved in 1990.

-EPA implemented New Source Performance Standards for woodstoves in 1988.

Gila County

-Gila County paved nearly 18 miles of previously unpaved roads starting in 1989.

2067 FR 4301321 R18-2-607 Storage Piles was submitted to EPA as R9-3-407 on January 4, 1979, and subsequently approved by EPA on April 23, 1982 (47 FR 17485). The rule was renumbered in 1993 to R18-2-607 and submitted to EPA forincorporation into the Arizona Applicable SIP on July 15, 1998.

Final Update to the Limited Maintenance Plan for the Payson PM10 Maintenance Area 21
The Town of Payson

-The Town of Payson ensures the rapid response to temporary sources of dust on paved

roads (water erosion runoff, mud/dirt carry-out areas, material spills, skid control sand)

by providing for traffic rerouting, or clean up.-The Town of Payson requires the paving of commercial parking facilities under the

Unified Development Code (UDC) section 15-04-002(D), and the paving of unpaved

roads as condition of minor land divisions, section 15060O4.23-The effective implementation of ordinances by the Town of Payson (Chapter XV,

Chapter 150.27, Installation of Solid Fuel Burning Stoves 24)ensured that the benefits of

the new EPA standards for woodstoves continue to be achieved in the area.

Within the Town of Payson

-A private flood control project located in the area has been completed and is anticipated

to reduce siltation on some roads.

State of Arizona

-ADOT specifications for state contracts will include dust control plan requirements for

construction activities in PM10 nonattainment areas.-The State of Arizona implemented state income tax incentives for the costs of

conversions of wood fireplaces to qualified wood stoves, fireplaces or gas logs. 25

-In 2004, ADEQ rule A.A.C. R18-2-702(B) was updated to require 20% opacity

standards for areas in nonattainment or maintenance areas for particulate matter

standards. 26The early implementation of the contingency measure (area opacity standard

revision from 40% to 20%) was not due to a contingency measure trigger.

-Certified enhanced smoke management plan requirements are implemented by the Forest

Service, Bureau of Land Management, and Arizona Department of State Lands, in

cooperation with ADEQ 27.

22 The provided supplemental mitigation strategies are provided for informational purposes only and are not for

approval into the Arizona Applicable SIP.23 Both referenced UDC sections were adopted by Ordinance #446 February 22, 1996, updated June 1, 2011.

http://www.paysonaz.gov/Departments!CommunityDev!U DC.html

24http:/Jwww.amlegaLcom/nxt/gateway.d I I/Arizona/payson/paysonarizonacodeo fordinances?f=ternp latesS fn= default

.htm$3 .0$vidamlegaI:paysonaz

25 10/

2682702, General Provisions, was incorporated by reference by EPA August 24, 2004 (69 FR 51952), effective

September 23, 2004.

27 October 2, 2007 ADEQ provided an “Enhanced Smoke Management Plan Certification” letter to Mr. WayneNastri of EPA outlining Arizona rules related to smoke management and regional haze.

Final Update to the Limited Maintenance Plan for the Payson PM10 Maintenance Area 22
The CAA requires that each maintenance plan demonstrate that the measures that were credited with bringing the area into attainment are federally enforceable and continue in the future. The original attainment demonstration and maintenance plan submission relied on federal New Source Performance Standards (NSPS) for residential wood heaters (40 CFR 60 subpart AAA); these standards are federally enforceable and permanent.. The paving identified is fully constructed and permanent, and ADOT continues to pave unpaved intersections to the ADOT right-of-way during construction projects. Therefore, the Payson plan meets the CAA requirement for permanent and enforceable control measures.

5.3. Contingency Measures

Section 1 75A of the Act requires that a maintenance plan include contingency provisions, as necessary to promptly correct any violation of the NAAQS which may occur after redesignation of the area to attainment. s memo, Limited Maintenance Plan Option for Moderate PM10 Nonattainment Areas (Wegman, August 9, 2001), states that the contingency measures do not have to be fully adopted, but should identify measures to be promptly adopted, if necessary. As previously noted, in 2004 the early implementation of a 20% opacity standard occurred.

Under the LMP option, the State is required to calculate the design value for the area annually and determine if the criteria of 98 .tg/m 3for the 24-hour standard (or, alternatively, the CDV) for the LMP option will still be met. If after performing the annual calculation, the State determines that the area has exceeded the LMP option limit, the State commits to take action to attempt to reduce PM10 concentrations enough to remain qualified for the LMP option.

Further, the State commits to seek an expeditious remedy for any potential violation of the PM10 NAAQS which may occur. Specifically, the State commits to determine whether or not violations have been recorded within six months after the close of the calendar year, and to review and determine appropriate contingency measure(s) by the end of the same calendar year. The State commits to implement the selected contingency measure(s) within one year of determining that a violation has occurred.

Table 5-1 includes measures that will be considered for implementation in the event of a violation of either the 24-hour NAAQS or in the event the annual recalculation of the area’s average design value exceeds the LMP option design value criteria. The cause of the violation or exceedance of the LMP option design value will help determine the appropriate contingency measure(s) to be implemented.

Final Update to the Limited Maintenance Plan for the Payson PM10 Maintenance Area 23
contributing to monitored readings above the limited mai

p

limits, ADEQ will review existing air quality permit(s) to identify additional PM10

control measures which may be needed. Ifthe PM10 source does not have a permit,the permitting authority will determine if an air quality permit and PM10 controls are

needed.

If wood burning sources are found to be contributing to monitored readings above the ADEQ

limited maintenance plan allowable limits, ADEQ will review State regulations and

programs to determine appropriate action.

Pave or stabilize public unpaved roads, vacant lots, or unpaved parking lots located in Town of Payson andlor

the PM10 maintenance area subject to limits ofstatutory authority. Gila County

Continuation ofthe Enhanced Smoke Management Plan -state and federal land U.S. Forest Service,

managers conducting prescribed burning must register with ADEQ for proposed U.S. Bureau of Land

burning activities (Arizona Administrative Code Ri 8-2-Article 15 - Forest & Range Management, Arizona

Management Burns). ADEQ maintains the ability to deny permission for burning on State Land Department,

certain high risk days (dependant on meteorological conditions) and may increase ADEQ.outreach and enforcement resources.

Final Update to the Limited Maintenance Plan for the Payson PM10 Maintenance Area 24
verify the attainment status of the area in accordance with 40 CFR Part 58. The Payson monitoring network is described in Section 3.1 ofthis plan.

2. The control measures for the area, which were responsible for bringing the area into attainment, were approved by EPA as meeting reasonably available control measures

(RACM) and reasonably available control technology (RACT) requirements, are described in Section 5.0 ofthis plan, and continue in force throughout the maintenance period.

3. Submission of Annual Reports to EPA

The ADEQ Air Quality Division will continue to submit annual reports to EPA. These reports will include calculation ofthe Payson Maintenance Area PM10 design value to document and

monitor the area’s air quality levels. Should the levels rise above the limits qualifying the

area for the LMP, the State will act to lower them. Should the actions fail, the state will

develop and submit a full maintenance plan, as required under the LMP guidance.

4. Continued Maintenance and New Source Permitting

Arizona Administrative Code (AAC) Ri 8-2-406, Permit Requirementsfor Sources Located

in Attainment and Unclass/Iable Areas, applies for any major source or major modification

to a source located within the maintenance area.

Since the implementation of the LMP in the Payson PM10 Maintenance Area, monitoring data demonstrates the area is controlling for PM10 and, given the implemented control measures, ADEQ’s emission estimates predict the area will continue to demonstrate maintenance of the PM10 NAAQS through 2022, the second ten years of the maintenance period. If there is an unexpected increase in PM10 emissions at some time during the remainder of the maintenance period, contingency measures are in place to maintain compliance through the maintenance period.

Final Update to the Limited Maintenance Plan for the Payson PM10 Maintenance Area 25

Public Hearing Agenda

Sign-in Sheet

Public Hearing Officer Certification and Transcript

Responsiveness Summary

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Final Update to the Limited Maintenance Plan for the Payson PM10 Maintenance Area V Enclosure 4
ADEQ will hold a public hearing to receive comments on the proposed 2011 Limited

Maintenance Plan Update for the Payson PM10 Maintenance Area. This update provides

discussion ofthe area’s continued maintenance, a review ofthe emissions inventory for the areaand a demonstration of continued maintenance in the area through the maintenance period

(2022).

A public hearing on the SIP Revision will be held on Wednesday, November 2”, 2011 at 2:30

pm in the Payson Library Meeting Room, 328 N. MeLane Road, Payson, AZ 85541. All

interested parties will be given an opportunity at the public hearing to submit relevant comments,

data, and views, orally and in writing. The public comment period for this SIP Revision will end

upon the closure ofthis public hearing, or at 6:00 p.m. on November 2, 2011 whicheveris later.

All written comments should be addressed, faxed, or c-mailed to:

John 3. Englander

Air Quality Planning Section

Arizona Department of Environmental Quality

1110 W. Washington St

Phoenix, AZ 85007

PHONE: (602) 771-4781 V

FAX: (602) 771-2366

E-Mail: englander.iohnazdeci.gov V

A copy of the proposal is available for review on V the ADEQ website’s Events and Notices

Calendar at the following web address http:/fwww.azdec.govfcgi-bin/vertical.pl or at the

following locations:

ADEQ Library

V

1110 W.WashingtonSt

V

V

Phoenix, AZ 85007

First Floor

Atm: Lori Cona, (602) 771-2217 V V

Final Update to the Limited Maintenance Plan for the Payson PM10 Maintenance Area 2

Enclosure 4
AIR QUALITY DWISION

PUBLIC HEARING ON THE PROPOSED 2011 LIMITED MAINTENANCE PLAN

UPDATE FOR THE PAYSON PM10 MAINTENANCE AREA

PLEASE NOTE THE MEETING LOCATION AND TIME:

Payson Library Meeting Room

328 N McLane Road, Payson, AZ 85541

Wednesday, November 2, 2011,2:30 pm

Pursuant to 40 CFR § 51.102 notice is hereby given that the above referenced meeting is open to the public.

1. Welcome and Introductions

V

2. Purposes ofthe Oral Proceeding

3. Procedure for Making Public Comment

4. Brief Overview ofthe proposed LMP Update

5. Question and Answer Period

6. Oral Comment Period

V

7. Adjournment of Oral Proceeding

V Copies of the proposal are available for review at the Arizona Department of Environmental Quality (ADEQ) Library, 1110 W. Washington St., Phoenix, Arizona. For additional information regarding the hearing please call John Englancier, ADEQ Air Quality Division, at (602) 771-4781 or toll-free at 1-800-

V 234-5677,Ext. 771-4781. V

V

Persons with a disability may request a reasonable accommodation, such as a sign language interpreter, by contacting Dan Flukas at (602) 771-4795 or 1-800-234-5677, Ext. 771-4795. Requests should be made

as early as possible to allow sufficient time to make the arrangements for the accommodation. This document is available in alternative formats by contacting ADEQ TDD phone number at (602) 771-4829.

Printed on recycled paper

Final Update to the Limited Maintenance Plan for the Payson PM10 Maintenance Area 3 Enclosure 4
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Final Update to the Limited Maintenance Plan for the Payson PM10 Maintenance Area 4

Enclosure 4
Public Hearing Presiding Officer Certification

I, Deborrah Martinkovic, the designated Presiding Officer, do hereby certify that the public

hearing held by the Arizona Department of Environmental Quality was conducted on November

2, 2011, at the Payson Library Meeting Room, 328 N. McLane Road, Payson, AZ 85541 inaccordance with public notice requirements by publication in The Payson Roundup beginning September 30, 2011. Furthermore, I do hereby certify that the public hearing was recorded from

the opening ofthe public record through concluding remarks and adjournment, and the transcript

provided contains a full, true, and correct record ofthe above-referenced public hearing.

Dated this f’lay of 11,4e_øt-L€. 4.-——

Deborrah ovic

State ofArizona

County ofMaricopa

ss.

)

Subscribed and sworn to before me on this / 7 day of___________

l.

OFFICIAL SEAL I LAURA McFAiitAr’D

L HAMY PUBliC. .. MARtCPA OUNTV My Cnwn. Esj*os AprIl 2. 2C12 ‘L7LNotary Public

My commission expires:

Final Update to the Limited Maintenance Plan for the Payson PM10 Mantenance Area

Enclosure 4

5

Air Quality Division
3

4 Oral Proceeding

5 Hearing Officer Transcript

6

7 November 2, 2011

8

9 MS. DEBORRAH MARTINKOVIC: Good afternoon, thank you for coming. I now open this

10 hearing on a proposed 2011 Limited Maintenance Plan Update for the Payson PM10 Maintenance

ii Area.

1213 Today is November 2,2011, and the time is 2:34 p.m. The location is the Payson Library Meeting

14 Room, 328 N. McLane Road, Payson, AZ 85541. My name is Deborrah “Corky” Martinkovic and I

15 have been appointed by the Director ofthe Arizona Department ofEnvironmental Quality (ADEQ)

16 to preside at this proceeding.

17

18 The purposes ofthis proceeding are to provide the public an opportunity to:

19 (1) hear about the substance ofthe proposed update tot eh Limited Maintenance Plan (LMP),

20 (2) ask questions regarding the update, and

21 (3) present oral argument, data and views regarding the update in the form of comments on the

22 record.

23

24 Representing the Department are John Englander and myself, Deborrah “Corky” Martinkovic.

25

26 Public notice appeared in the Payson Roundup and on ADEQ’s website. A copy of the proposal

27 titled, 2011 LimitedMaintenancePlan Updatefor the PaysonPM10MaintenanceArea, was made28 available at the ADEQ Phoenix office and on the ADEQ website.

29

1

Final Update to the Limited Maintenance Plan for the Payson PM10 Maintenance Area 6

Enclosure 4
Us

g 

p

p

w

eve

yo

e an opportunity to be heard and allows us to match the name on

4 the official record with the comments. You may also submit written comments to me today Please

5 note the comment period for the proposed SIP revision ends today, November 2, 2011. All written6 comments must be postmarked if sent via U.S. mail or received if sent via e-mail at ADEQ by

7 November 2, 2011. Written comments can be mailed to John Englander, Air Quality Planning

8 Section, ADEQ, 1110 W. Washington Street, Phoenix, Arizona 85007 or to9 etigiander.john@azdeq.gov. Comments may also be faxed to (602) 771-2366.

10

ii Comments made during the formal comment period are required by law to be considered by the

12 Department when preparing the final state implementation plan. This is done through the preparation

13 of a responsiveness summary in which the Department responds in writing to written and oral14 comments made during the formal comment period.

15

16 The agenda for this hearing is simple. First, we will present a brief overview ofthe proposed update

17 to the Limited Maintenance Plan.18

19 Second, I will conduct a question and answer period. The purpose ofthe question and answer period

20 is to provide information that may help you in making comments on the proposed revision.

21

22 Thirdly, I will conduct the oral comment period. At that time, I will begin to call speakers in the

23 order that I have received speaker slips.24

25 Please be aware that any comments at today’s hearing that you want the Department to formally

26 consider must be given either in writing or on the record at today’s hearing during the oral comment27 period ofthis proceeding.

28

29 At this time, John Englander will give a brief overview ofthe proposal.30

2

Final Update to the Limited Maintenance Plan for the Payson PM10 Maintenance Area 7Enclosure 4
4 Department of Environmental Quality (ADEQ) submitted a State Implementation Plan (SIP)

5 projecting attainment ofthe PM10 NAAQS by 2001 with the implementation of control measures.

6 Following a three year period when there were no measured exceedances of the NAAQS (1998-

7 2000), in March of 2002 ADEQ submitted to EPA the Payson Moderate rea PM10 Maintenance

8 Plan and Requestfor Redesignation to Attainment. The plan was approved in 2002, resulting in a

9 redesignation to attainment for the PM10 standard and qualification for a Limited Maintenance Plan

10 (LMP) option for continued reporting and planning requirements.

11

12 Pursuant to the Clean Air Act (CAA) Sec. 175A(b), “8 years after redesignation of any area as an

13 attainment area under section 107(d), the State shall submit to the Administrator an additional

14 revision ofthe applicable State implementation plan formaintaining the national primary ambient air

15 quality standard for 10 years after the expiration ofthe 10-year period referred to in subsection (a).”

16 This SIP updates the 2002 Payson Moderate Area PM10 Maintenance Plan and Request for

17 Redesignation to Attainment, providing for the maintenance of the national primary ambient air

18 quality standard for the years 2012 through 2022, consistent with the provisions of CAA Sec.

19 175A(b).

20

21 The document includes a brief discussion of the PM10 regulatory history of the Payson area, a

22 description ofthe community and maintenance area, an updated emissions inventory, demonstration

23 of continued LMP eligibility and discussion of regulatory commitments made to preserve

24 maintenance ofthe NAAQS.

25

26 This concludes the explanation period of this proceeding on the proposed revision to the state

27 implementation plan.

28

29 MS DEBORRAH MARTINKOVIC: Are there any questions before we move to the oral comment

30 period?

3

Final Update to the Limited Maintenance Plan for the Payson PM10 Maintenance Area 8

Enclosure 4
4

5 1 now open this proceeding for oral comments. Seeing no speaker slips, this concludes the oral6 comment period ofthis proceeding.

7

8 If you have not already submitted written comments, you may submit them to me at this time.9 Again, the comment period for this proposed revision to the state implementation plan ends

io November 2,2011.

11

12 The time is now 2:40 p.m. I now close this proceeding.

4

Final Update to the Limited Maintenance Plan for the Payson PM10 Maintenance Area 9 Enclosure 4
clarifications were needed.

Final Update to the Limited Maintenance Plan for the Payson PM10 Maintenance Area

10

Enclosure 4