MAG EIGHT-HOUR OZONE REDESIGNATION REQUEST

AND MAINTENANCE PLAN FOR 

THE MARICOPA NONATTAINMENT AREA

APPENDICES

VOLUME THREE

FEBRUARY 2009
MAG EIGHT-HOUR OZONE REDESIGNATION REQUEST

AND MAINTENANCE PLAN FOR 

THE MARICOPA NONATTAINMENT AREA

APPENDICES

FEBRUARY 2009
MAG EIGHT-HOUR OZONE REDESIGNATION REQUEST AND MAINTENANCE

PLAN FOR THE MARICOPA NONATTAINMENT AREA

APPENDICES

APPENDIX A

Exhibit 1: 2005 Periodic Emission Inventory for Ozone Precursors for the

Maricopa County, Arizona, Nonattainment Area. Maricopa County Air

Quality Department. September 2008.

Exhibit 2: Technical Support Document for Ozone Modeling in Support of the

Eight-Hour Ozone Redesignation Request and Maintenance Plan for

the Maricopa Nonattainment Area. February 2009.

APPENDIX B

Exhibit 1: Public Hearing Process Documentation

Exhibit 2: Certification of Adoption
 

APPENDIX A
APPENDIX A

EXHIBIT 2 (cont.):

Appendices 

to the

Technical Support Document For Ozone Modeling

 In Support of the Eight-Hour Ozone Redesignation Request and

Maintenance Plan for the Maricopa Nonattainment Area
TECHNICAL SUPPORT DOCUMENT

FOR

OZONE MODELING IN SUPPORT OF THE 

EIGHT-HOUR OZONE REDESIGNATION REQUEST AND MAINTENANCE PLAN

FOR THE MARICOPA NONATTAINMENT AREA

APPENDICES

FEBRUARY 2009

Maricopa Association of Governments

302 North 1st Avenue, Suite 300

Phoenix, Arizona 85003

MAG Contact Person:

Taejoo Shin, (602) 254-6300
i

APPENDICES

APPENDIX I MODELING PROTOCOL AND MODELING FILE LIST

Appendix I-i Modeling Protocol in Support of an Eight-Hour Ozone Redesignation

Request and Maintenance Plan for the Maricopa Nonattainment Area

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . App.I-i-1

Appendix I-ii Files Used for the Air Quality Modeling in Support of the Eight-Hour

Ozone Maintenance Plan . . . . . . . . . . . . . . . . . . . . . . . . . App.I-ii-1

APPENDIX II DOMAIN AND DATA BASE ISSUES - NO APPENDIX

APPENDIX III MODEL PERFORMANCE EVALUATION

 Appendix III-i Model Performance Evaluation by Subgroup . . . . . . . . . App.III-i-1

APPENDIX IV EMISSIONS INVENTORY DEVELOPMENT

Appendix IV-i Development of Regional 12 km Emissions Inventory Data

 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . App.IV-i-1

Appendix IV-ii On-Road Vehicle Emission Factor Estimation Procedure for 2005 

 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . App.IV-ii-1

 

 Attachment One MOBILE6.2 Input Files . . . . . . . . . . App.IV-ii-10

Appendix IV-iii Development of Spatial Allocation Surrogates for Eight-Hour Ozone

Maintenance CAMx Modeling . . . . . . . . . . . . . . . . . . . . App.IV-iii-1

Appendix IV-iv Comparison of the 2005 Baseline Emission Inventory and the 2005

Periodic Emission Inventory for Ozone Precursors . . . . App.IV-iv-1

Appendix IV-v Development of a 2025 Regional Modeling Emission Inventory for

Ozone . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . App.IV-v-1

Appendix IV-vi On-Road Vehicle Emission Factor Estimation Procedure for 2025 

 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . App.IV-vi-1

 

 Attachment Two MOBILE6.2 Input Files . . . . . . . . . . . App.IV-vi-8

Appendix IV-vii Growth Factors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . App.IV-vii-1

Appendix IV-viii Supplemental Analysis for the Sensitivity of the Maintenance

Demonstration to a Range of Power Plant Emission Rates 

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . App.IV-viii-1

Appendix IV-ix Development of CAMx 2025 Regional Initial/Boundary Conditions 

 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . App.IV-ix-1

Appendix IV-x Modeled 1-Hour Ozone for the June 2005 Episode . . . . App.IV-x-1

Appendix IV-xi Modeled 1-Hour Ozone for the July 2005 Episode . . . . App.IV-xi-1

Appendix IV-xii Modeled 1-Hour Ozone for the August 2005 Episode . App.IV-xii-1

Appendix IV-xiii Modeled 1-Hour Ozone for the June 2025 Episode . . . App.IV-xiii-1

Appendix IV-xiv Modeled 1-Hour Ozone for the July 2025 Episode . . . App.IV-xiv-1

Appendix IV-xv Modeled 1-Hour Ozone for the August 2025 Episode . App.IV-xv-1
ii

Appendix IV-xvi Maintenance Measures . . . . . . . . . . . . . . . . . . . . . . . . App.IV-xvi-1

 Appendix IV-xvii Senate Bill 1552 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . App.IV-xvii-1

APPENDIX V MAINTENANCE DEMONSTRATION

Appendix V-i MATS Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . App.V-i-1

APPENDIX VI SUPPLEMENTAL ANALYSES

Appendix VI-i Maximum and Minimum Modeled Ozone Tile Plots for Each Episode

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . App.VI-i-1

Appendix VI-ii CPA Results for the July and August Episodes . . . . . . . App.VI-ii-1

Appendix VI-iii WRF Meteorology Simulations . . . . . . . . . . . . . . . . . . . . App.VI-iii-1

Appendix VI-iv Performance Evaluations of CAMx and CMAQ Using WRF

Meteorology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . App.VI-iv-1

Appendix VI-v Maintenance Demonstration Using CAMx/WRF, CMAQ/MM5, and

CMAQ/WRF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . App.VI-v-1

APPENDIX VII CONCLUSIONS - NO APPENDIX

RESPONSES TO COMMENTS
App. IV-xvi-1

Appendix IV-xvi

Maintenance Measures
App. IV-xvi-2

MAINTENANCE MEASURE #1

Summer Fuel Reformulation: California Phase 2 and Federal Phase II Reformulated

Gasoline with 7 psi from May 1 through September 30
App. IV-xvi-3

The “Summer Fuel Reformulation: California Phase 2 and Federal Phase II Reformulated

Gasoline with 7 psi from May 1 through September 30" measure affects emissions from

onroad vehicle gasoline-powered engines. With the implementation of this measure, a

cleaner burning formulation of gasoline than would otherwise be used will be sold in the

modeling area during the ozone season. The methodology used to estimate the benefit is

described below. In this analysis, all onroad credit for committed measure package gasoline

is applied using the MOBILE6 model.

To estimate the effect of the expected gasoline formulation on onroad emissions, the

MOBILE6 model was used. MOBILE6 accepts as input data for the gasoline vapor pressure

(RVP), oxygenate content, and sulfur content. The MOBILE6 model runs performed for this

analysis in 2025 incorporate the committed maintenance measure package RVP value (7.0

psi). Additionally, in MOBILE6, a flag is available to indicate that reformulated gasoline is

to be assumed in the analysis.

To estimate the effect of the cleaner burning gasoline, MOBILE6 was performed using both

the committed measure package and the baseline (2005 conditions) formulations. The

emissions estimated by the two runs were processed through the M6Link program

independently and the difference in final emissions estimates was calculated. The

reformulated gasoline was set to reflect the southern location of Arizona using the "S"

option. The credit for this measure is applied to the entire modeling domain as it is assumed

that the gasoline quality is consistent across the modeling domain due to the structure of the

Arizona gasoline distribution system. Additional information about the options available to

the user of MOBILE6 for the modeling of gasoline quality may be found on pages 148

through 167 of the User’s Guide to MOBILE6.1 and MOBILE6.2 Mobile Source Emission

Factor Model, October 2002.

No specific credit was taken for reformulated gasoline on nonroad emissions as it is

assumed that the very stringent nonroad engine standards include that the engines will use

cleaner burning reformulated gasoline.

The baseline inventory reflected actual monitored gasoline formulation qualities from the

summer season. The impact of this maintenance measure in 2025 is a 0.1% increase in

anthropogenic NOx emissions and a 0.5% decrease in anthropogenic VOC emissions.
App. IV-xvi-4

MAINTENANCE MEASURE #2

Phased-In Emission Test Cutpoints
App. IV-xvi-5

The “Phased-In Emission Test Cutpoints” measure affects onroad emissions. With the

implementation of this measure, vehicles which are subject to the enhanced I/M program

are held to a stricter set of cutpoints than would otherwise be the case. The stricter

cutpoints were implemented in January 2000. If a vehicle exceeds the emission levels set

by the cutpoint for carbon monoxide, hydrocarbons, or NOx, the vehicle fails the test.

The Arizona Department of Environmental Quality (ADEQ) provided a table of emission

testing cutpoints for each model year vehicle subject to the enhanced I/M program in the

May 28, 2001 ADEQ memo Cutpoints for IM147 for MOBILE6. These cutpoints are entered

into a data file in a format appropriate for input to the MOBILE6 model. The format for the

table appropriate for input to MOBILE6 may be found in section 2.8.9.4.g of the User’s

Guide to MOBILE6.1 and MOBILE6.2: Mobile Source Emission Factor Model, EPA420-R02-028, October 2002.

The composite cutpoints (I/M147 program) that reflect the enhanced program are indicated

in the following table. The LDGV cutpoints were used in the MOBILE6 Block 1 cutpoint

values. The LDGT1 cutpoints were used in Block 2. The LDGT2 cutpoints were used in

Block 3.

Model Year Vehicle Class Hydrocarbons CO NOx

1981-1982 LDGV 3.00 25.00 3.50

1983-1985 LDGV 2.40 20.00 3.50

1986-1989 LDGV 1.60 15.00 2.50

1990-1993 LDGV 1.00 12.00 2.50

1994+ LDGV 0.80 12.00 2.00

1981-1985 LDGT1 4.00 40.00 5.50

1986-1989 LDGT1 3.00 25.00 4.50

1990-1993 LDGT1 2.00 20.00 4.00

1994+ LDGT1 1.60 20.00 3.00

1981-1985 LDGT2 4.40 48.00 7.00

1986-1987 LDGT2 4.00 40.00 5.50

1988-1989 LDGT2 3.00 25.00 5.50

1990-1993 LDGT2 3.00 25.00 5.00

1994+ LDGT2 2.40 25.00 4.00

While the previous table lists the cutpoints used for model years back to 1981, due to the

structure of MOBILE6, only the cutpoints back to the model year 2001 are considered when

performing a 2025 run. This is because the MOBILE6 model only considers the most recent

25 model years in any particular run. In 2025, the 25th model year included in the modeling
App. IV-xvi-6

is a 2001 vehicle. The enhanced I/M program with the I/M cutpoints was removed as the

base case.

The benefit from the enhanced I/M program with the cutpoints was estimated by running the

M6Link model with the MOBILE6 outputs developed using the base case without the

enhanced I/M program and then rerunning M6Link with the MOBILE6 outputs developed

using the enhanced I/M program with the cutpoints. In both cases, MOBILE6 was run with

a five year grace period from the I/M program for the newest model year vehicles.

The anthropogenic emission reductions attributable to this maintenance measure in 2025

are less than 0.1% for both NOx and VOC.
App. IV-xvi-7

MAINTENANCE MEASURE #3

One Time Waiver from Vehicle Emissions Test
App. IV-xvi-8

The “One Time Waiver from Vehicle Emissions Test” measure affects onroad emissions.

With the implementation of this measure, vehicles are allowed no more than a single I/M

waiver after January 1, 1997. The methodology used to estimate the emissions reduction

is described below.

MOBILE6 uses as input the waiver rates for two age groups of vehicles. The first age group

includes vehicles whose model year is older than 1981. The second age group includes

vehicles whose model year is equal to or newer than 1981. It is assumed that the waiver

rates for the first and second age groups without this control measure would be four percent

and three percent, respectively. The base case waiver rates incorporate no set limit on the

number of waivers which a given vehicle may receive. This measure sets a limit of one on

the number of waivers which any vehicle may receive. 

It has been estimated that the average remaining life span of a vehicle which has received

a waiver is three years (page E-5 of Feasibility and Cost-Effective Study of New Air Pollution

Control Measures Pertaining to Mobile Sources, Sierra Research, Inc., June 1993). The

waiver rate, which was four percent for pre-81 model years and three percent for 1981 and

later model years, was changed to 0.709 percent and 0.781 percent in the MOBILE6 input

for the 2025 base case, respectively. The credit for this measure was applied exclusively

to Area A (S.B. 1427).

The anthropogenic emission reductions attributable to this maintenance measure in 2025

are 0.1% for NOx and less than 0.1% for VOC.
App. IV-xvi-9

MAINTENANCE MEASURE #4

Tougher Enforcement of Vehicle Registration and Emission Test Compliance
App. IV-xvi-10

The “Tougher Enforcement of Vehicle Registration and Emission Test Compliance” measure

affects onroad emissions. With the implementation of this measure, the number of vehicles

which are expected to be registered in the nonattainment area and tested in the I/M program

is increased, resulting in a cleaner onroad vehicle fleet. The methodology used to estimate

the emissions reduction is described below.

Without this control measure, the weighting factors of I/M and non-I/M emission factors from

MOBILE6 were assumed to be 89.6 percent and 10.4 percent, respectively. This measure

was implemented by adjusting the weighting factors between I/M and non-I/M emission

factors from MOBILE6 in the M6Link control file. 

The Report of the Governor’s Air Quality Strategies Task Force, December 2, 1996

estimated that an additional 41,000 vehicles would be emission tested as a result of this

measure. This estimate was confirmed with the Arizona Department of Environmental

Quality and the Arizona Department of Transportation as being a reasonable but

conservative estimate of the number of vehicles registered as a result of this measure.

The number of vehicles registered in Maricopa County during the time of the Task Force

estimate was approximately 1.83 million. The inspection of an additional 41,000 vehicles

would be an additional 2.0 percent of the vehicles being emissions tested. It is assumed

that the increase in the vehicles being emission tested, taken as a fraction, would remain

constant or increase over time. In other words, the number of vehicles which will participate

in the I/M program in 2025 would be increased by 2.0 percent compared with the case

without this control measure. By implementing this control measure, the weighting factors

were changed from 89.6 percent and 10.4 percent to 91.6 percent and 8.4 percent for I/M

and non-I/M emission factors, respectively.

The anthropogenic emission reductions attributable to this maintenance measure in 2025

are 0.1% for NOx and less than 0.1% for VOC.
App. IV-xvi-11

MAINTENANCE MEASURE #5

Federal Nonroad Equipment Standard
App. IV-xvi-12

In 1998 EPA issued a final rule setting more stringent Tier 2 and Tier 3 emission standards

for new diesel nonroad equipment (EPA, Federal Register, Vol. 63. No. 205, October 23,

1998, pp. 56967-57023). The Tier 2 program phased in more stringent standards for all

equipment between 2001 and 2006 and Tier 3 imposed even more stringent standards for

50 to 750 hp engines beginning in 2006 through 2008. 

In 2004 EPA issued the Clean Air Nonroad Diesel - Tier 4 Final Rule that requires

manufacturers to produce nonroad engines with advanced emission-control technologies

that will reduce emissions by more than 90 percent (EPA, Federal Register, Vol 69, No. 124,

June 29, 2004, pp. 38958-39273). The Tier 4 standards apply to nonroad engines less than

25 hp, beginning in 2008. Larger engines must comply with the Tier 4 standards by 2011-

2015.

This measure was modeled by running the EPA NONROAD model for 2005 using the 2025

equipment growth factors and comparing this with a 2025 run using the 2025 growth factors.

The decrease in emissions between 2025 and 2005 represents the impact of the more

stringent federal nonroad diesel equipment standards implemented between 2005 and 2025.

The impact of this measure in 2025 is a 7.9% decrease in anthropogenic VOC emissions

and a 16.5% decrease in anthropogenic NOx emissions.
App. IV-xvi-13

MAINTENANCE MEASURE #6

Expansion of Area A Boundary
App. IV-xvi-14

Arizona Legislature passed H.B. 2538 in 2001 which expands the boundaries of Area A.

Previously, the Area A boundaries followed the boundaries defined by S.B. 1427, which was

passed by the Arizona Legislature in 1998. Specifically, H.B. 2538 expands the boundaries

of Area A past those described in S.B. 1427 adding additional portions of Maricopa County

west of Goodyear and Peoria and a small piece of land on the north side of Lake Pleasant.

The implementation of air quality measures in the areas described in H.B. 2538 began on

January 1, 2002, except for public sector alternative fuel requirements that are phased in

over a seven year period.

“Area A” means the area delineated as follows:

(a) In Maricopa County:

Township 8 North, Range 2 East and Range 3 East

Township 7 North, Range 2 West Through Range 5 East

Township 6 North, Range 5 West Through Range 6 East

Township 5 North, Range 5 West Through Range 7 East

Township 4 North, Range 5 West Through Range 8 East

Township 3 North, Range 5 West Through Range 8 East

Township 2 North, Range 5 West Through Range 8 East

Township 1 North, Range 5 West Through Range 7 East

Township 1 South, Range 5 West Through Range 7 East

Township 2 South, Range 5 West Through Range 7 East

Township 3 South, Range 5 West Through Range 1 East

Township 4 South, Range 5 West Through Range 1 East

(b) In Pinal County:

Township 1 North, Range 8 East And Range 9 East

Township 1 South, Range 8 East And Range 9 East

Township 2 South, Range 8 East And Range 9 East

Township 3 South, Range 7 East Through Range 9 East

(c) In Yavapai County:

Township 7 North, Range 1 East And Range 1 West Through Range 2 West

Township 6 North, Range 1 East And Range 1 West

It is important to note that under A.R.S. 49-406 (A), MAG has statutory authority to conduct

nonattainment area planning within Maricopa County. However, MAG does not have air

quality planning authority for either Pinal or Yavapai Counties.

Under A.R.S. 49-406 (K), the Arizona Department of Environmental Quality has air quality

planning authority to adopt SIP measures in those portions of Area A in Pinal and Yavapai

Counties where MAG does not have authority. For ozone, the committed measures include

the Vehicle Emissions Inspection Program, Clean Burning Gasoline Program, Stage II Vapor

Recovery Program, Trip Reduction Program, Voluntary Vehicle Repair and Retrofit Program,

and Traffic Signal Synchronization. For carbon monoxide, the committed measures include
App. IV-xvi-15

the Vehicle Emissions Inspection Program, Clean Burning Gasoline Program, Trip

Reduction Program, Clean Burning Fireplace Construction and Conversion Program, No

Burn Days and Public Participation Programs, and Voluntary Vehicle Repair and Retrofit

Program. MAG anticipates that ADEQ will also provide notice and public hearing on this

plan, perhaps jointly with MAG, prior to ADEQ’s adoption of the plan under A.R.S section

49-404 and ADEQ's subsequent submittal of the plan to EPA for approval. Emission

reduction credit for this measure applies only to the area between the Area A boundary

established by S.B. 1427 and the Area A boundary established by H.B. 2538. 

This measure was modeled by running M6Link using the expanded GIS coverage files for

Area A (S.B. 2538) and comparing with a run applying the previous GIS coverage files for

Area A (S.B. 1427). The difference in emissions between these two runs represents the

impact of the expansion of Area A boundaries implemented in 2025.

The impact of this measure in 2025 is a 0.1% decrease in anthropogenic NOx emissions

and less than a 0.1% decrease in anthropogenic VOC emissions.
App. IV-xvi-16

MAINTENANCE MEASURE #7

Ban Open Burning during Ozone Season
App. IV-xvi-17

The measure was adopted by Senate Bill 1552 on June 20, 2007 along with the liquid leaker

test rule. This measure prohibits open outdoor fires during May 1 through September 30

of each year during the ozone season. The rule also prohibits all indoor burning using

fireplaces in commercial, non-residential establishments, such as hotels and restaurants,

during Restricted-Burn Periods with the exception of those that use gaseous fuels.

The emission reductions attributable to this measure were estimated by ADEQ. The

anthropogenic emission reductions in 2025 are less than 0.1% of VOC and NOx.
App. IV-xvii-1

Appendix IV-xvii

Senate Bill 1552
 - i - 

Conference Engrossed

State of Arizona 

Senate 

Forty-eighth Legislature 

First Regular Session 

2007 

SENATE BILL 1552 

AN ACT 

AMENDING SECTION 9-500.04, ARIZONA REVISED STATUTES; AMENDING TITLE 9, 

CHAPTER 4, ARTICLE 8, ARIZONA REVISED STATUTES, BY ADDING SECTION 9-500.27; 

AMENDING SECTIONS 11-871 AND 11-872, ARIZONA REVISED STATUTES; AMENDING TITLE 

11, CHAPTER 6, ARTICLE 4, ARIZONA REVISED STATUTES, BY ADDING SECTION 11-877; 

AMENDING SECTIONS 28-1098 AND 28-6705, ARIZONA REVISED STATUTES; AMENDING 

SECTION 41-2083, ARIZONA REVISED STATUTES, AS AMENDED BY LAWS 2007, CHAPTER 

145, SECTION 1; AMENDING SECTION 41-2083, ARIZONA REVISED STATUTES, AS 

AMENDED BY LAWS 2007, CHAPTER 145, SECTION 2; AMENDING TITLE 41, CHAPTER 15, 

ARTICLE 3, ARIZONA REVISED STATUTES, BY ADDING SECTION 41-2083.01; AMENDING 

SECTION 41-2121, ARIZONA REVISED STATUTES; AMENDING TITLE 41, CHAPTER 15, 

ARTICLE 6, ARIZONA REVISED STATUTES, BY ADDING SECTION 41-2124.01; AMENDING 

SECTION 41-2124.01, ARIZONA REVISED STATUTES, AS ADDED BY SECTION 12 OF THIS 

ACT; AMENDING SECTION 49-457, ARIZONA REVISED STATUTES; AMENDING TITLE 49, 

CHAPTER 3, ARTICLE 2, ARIZONA REVISED STATUTES, BY ADDING SECTIONS 49-457.01, 

49-457.02, 49-457.03 AND 49-457.04; AMENDING SECTION 49-474.01, ARIZONA 

REVISED STATUTES; AMENDING TITLE 49, CHAPTER 3, ARTICLE 3, ARIZONA REVISED 

STATUTES, BY ADDING SECTIONS 49-474.05, 49-474.06 AND 49-474.07; AMENDING 

SECTION 49-501, ARIZONA REVISED STATUTES; AMENDING SECTION 49-542, ARIZONA 

REVISED STATUTES, AS AMENDED BY LAWS 2007, CHAPTER 171, SECTION 5; RELATING 

TO AIR QUALITY; PROVIDING FOR CONDITIONAL ENACTMENTS. 

(TEXT OF BILL BEGINS ON NEXT PAGE) 
S.B. 1552 

 - 1 - 

1 Be it enacted by the Legislature of the State of Arizona: 

2 Section 1. Section 9-500.04, Arizona Revised Statutes, is amended to 

3 read: 

4 9-500.04. Air quality control; definitions

5 A. The governing body of a city or town in area A or AREA B as defined 

6 in section 49-541 shall: 

7 1. If the city has a population exceeding fifty thousand persons 

8 according to the 1995 special census, adjust the work hours of at least 

9 eighty-five per cent of municipal employees each year beginning October 1 and 

10 ending April 1 in order to reduce the level of carbon monoxide, OZONE AND 

11 PARTICULATE MATTER concentrations caused by vehicular travel. 

12 2. In area A, in consultation with the designated metropolitan 

13 planning organization, synchronize traffic control signals on all existing 

14 and new roadways, within and across jurisdictional boundaries, which THAT 

15 have a traffic flow AVERAGE DAILY TRIPS exceeding fifteen thousand motor 

16 vehicles per day. 

17 3. In area A, beginning on January 1, 2000 2008, develop and implement 

18 plans to stabilize targeted unpaved roads, alleys and unpaved shoulders on 

19 targeted arterials. The plans shall address the performance goals, the 

20 criteria for targeting the roads, alleys and shoulders, a schedule for 

21 implementation, funding options and reporting requirements. PRIORITY SHALL 

22 BE GIVEN TO THE FOLLOWING: 

23 (a) UNPAVED ROADS WITH MORE THAN ONE HUNDRED AVERAGE DAILY TRIPS. 

24 (b) UNPAVED SHOULDERS ON ARTERIAL ROADS AND OTHER ROAD SEGMENTS WHERE 

25 VEHICLE USE ON UNPAVED SHOULDERS IS EVIDENT OR ANTICIPATED DUE TO PROJECTED 

26 TRAFFIC VOLUME.

27 4. In area A, acquire or utilize vacuum systems or other dust removal 

28 technology to reduce the particulates attributable to conventional crack 

29 sealing operations as existing equipment is retired. 

30 5. IN AREA A, IN ORDER TO REDUCE PARTICULATE MATTER IN AMBIENT AIR: 

31 (a) BEGINNING MARCH 31, 2008, ON ANY HIGH POLLUTION ADVISORY DAY 

32 FORECAST BY THE DEPARTMENT OF ENVIRONMENTAL QUALITY PROHIBIT EMPLOYEES OR 

33 CONTRACTORS OF THAT CITY OR TOWN FROM OPERATING LEAF BLOWERS EXCEPT WHILE IN 

34 VACUUM MODE AND PROHIBIT THOSE EMPLOYEES OR CONTRACTORS FROM BLOWING 

35 LANDSCAPE DEBRIS INTO PUBLIC ROADWAYS AT ANY TIME. 

36 (b) NO LATER THAN MARCH 31, 2008, ADOPT, IMPLEMENT AND ENFORCE AN 

37 ORDINANCE THAT BANS THE BLOWING OF LANDSCAPE DEBRIS INTO PUBLIC ROADWAYS AT 

38 ANY TIME BY ANY PERSON. 

39 6. IN AREA A, NO LATER THAN MARCH 31, 2008, ADOPT OR AMEND CODES OR 

40 ORDINANCES AND, NO LATER THAN OCTOBER 1, 2008, COMMENCE ENFORCEMENT OF THOSE 

41 CODES OR ORDINANCES AS NECESSARY TO REQUIRE THAT PARKING, MANEUVERING, 

42 INGRESS AND EGRESS AREAS AT DEVELOPMENTS OTHER THAN RESIDENTIAL BUILDINGS 

43 WITH FOUR OR FEWER UNITS ARE MAINTAINED WITH ONE OR MORE OF THE FOLLOWING 

44 DUSTPROOF PAVING METHODS: 
S.B. 1552 

 - 2 - 

1 (a) ASPHALTIC CONCRETE. 

2 (b) CEMENT CONCRETE. 

3 (c) PENETRATION TREATMENT OF BITUMINOUS MATERIAL AND SEAL COAT OF 

4 BITUMINOUS BINDER AND A MINERAL AGGREGATE. 

5 (d) A STABILIZATION METHOD APPROVED BY THE CITY OR TOWN. 

6 7. IN AREA A, NO LATER THAN MARCH 31, 2008, ADOPT OR AMEND CODES OR 

7 ORDINANCES AND, NO LATER THAN OCTOBER 1, 2009, COMMENCE ENFORCEMENT OF THOSE 

8 CODES OR ORDINANCES AS NECESSARY TO REQUIRE THAT PARKING, MANEUVERING, 

9 INGRESS AND EGRESS AREAS THAT ARE THREE THOUSAND SQUARE FEET OR MORE IN SIZE 

10 AT RESIDENTIAL BUILDINGS WITH FOUR OR FEWER UNITS ARE MAINTAINED WITH A 

11 PAVING OR STABILIZATION METHOD AUTHORIZED BY THE CITY OR TOWN BY CODE, 

12 ORDINANCE OR PERMIT. 

13 8. IN AREA A, NO LATER THAN MARCH 31, 2008, ADOPT OR AMEND CODES OR 

14 ORDINANCES AS NECESSARY TO RESTRICT VEHICLE PARKING AND USE ON UNPAVED OR 

15 UNSTABILIZED VACANT LOTS. 

16 9. IN AREA A, NO LATER THAN MARCH 31, 2008, REQUIRE THAT NEW OR 

17 RENEWED CONTRACTS FOR STREET SWEEPING ON CITY STREETS MUST BE CONDUCTED WITH 

18 STREET SWEEPERS THAT MEET THE SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT 

19 RULE 1186 STREET SWEEPER CERTIFICATION SPECIFICATIONS FOR PICK UP EFFICIENCY 

20 AND PM-10 EMISSIONS IN EFFECT ON JANUARY 1, 2007.

21 5. 10. In area B, synchronize traffic control signals on all roadways 

22 which THAT have a traffic flow AVERAGE DAILY TRIPS exceeding fifteen thousand 

23 motor vehicles per day. 

24 B. The governing body of a city or town in area B as defined in 

25 section 49-541 may make and enforce ordinances to reduce or encourage the 

26 reduction of the commuter use of motor vehicles by employees of the city or 

27 town and employees whose place of employment is within the city or town. 

28 C. Except as provided in subsection F of this section, the governing 

29 body of a city or town in area A as defined in section 49-541 in a county 

30 with a population of more than one million two hundred thousand persons 

31 according to the most recent United States decennial census shall develop and 

32 implement a vehicle fleet plan for the purpose of encouraging and 

33 progressively increasing the use of alternative fuels and clean burning fuels 

34 in city or town owned vehicles. The plan shall include a timetable for 

35 increasing the use of alternative fuels and clean burning fuels in fleet 

36 vehicles either through purchase or conversion. 

37 D. The timetable shall reflect the following schedule and percentage 

38 of vehicles which THAT operate on alternative fuels and clean burning fuels: 

39 1. At least eighteen per cent of the total fleet by December 31, 1995. 

40 2. At least twenty-five per cent of the total fleet by December 31, 

41 1996. 

42 3. At least fifty per cent of the total fleet by December 31, 1998. 

43 4. At least seventy-five per cent of the total fleet by December 31, 

44 2000 and each year thereafter. 
S.B. 1552 

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1 E. The requirements of subsections C and D of this section may be 

2 waived on receipt of evidence acceptable to the city or town council that the 

3 city or town is unable to acquire or be provided equipment or refueling 

4 facilities necessary to operate vehicles using alternative fuels or clean 

5 burning fuels at a projected cost that is reasonably expected to result in 

6 net costs of no greater than ten per cent more than the net costs associated 

7 with the continued use of conventional gasoline or diesel fuels measured over 

8 the expected useful life of the equipment or facilities supplied. 

9 Applications for waivers shall be filed with the department of environmental 

10 quality pursuant to section 49-412. An entity that receives a waiver 

11 pursuant to this section shall retrofit fleet heavy-duty diesel vehicles with 

12 a gross vehicle weight of eight thousand five hundred pounds or more, that 

13 were manufactured in or before model year 1993 and that are the subject of 

14 the waiver with a technology that is effective at reducing particulate MATTER 

15 emissions at least twenty-five per cent or more and that has been approved by 

16 the United States environmental protection agency pursuant to the urban bus 

17 engine retrofit/rebuild program. The entity shall comply with the 

18 implementation schedule pursuant to section 49-555. 

19 F. The plan prescribed by subsection C of this section shall include 

20 provisions for the use of alternative fuels and clean burning fuels in the 

21 bus fleet operated by that city or town or a regional public transportation 

22 authority, except that all newly purchased buses shall use alternative fuel 

23 or clean burning fuel. The bus fleet shall comply with the timetable 

24 prescribed by subsection D of this section, except that the requirements of 

25 subsections C and D of this section may be waived on receipt of certification 

26 supported by evidence acceptable to the department of environmental quality 

27 that the city or town is unable to acquire or be provided equipment or 

28 refueling facilities necessary to operate vehicles using alternative fuels or 

29 clean burning fuels at a projected cost that is reasonably expected to result 

30 in net costs of no greater than twenty per cent more than the net costs 

31 associated with the continued use of conventional gasoline or diesel fuels 

32 measured over the expected useful life of the equipment or facilities 

33 supplied. 

34 G. If the requirements of subsections C, D and F of this section are 

35 met by the use of clean burning fuel, vehicle equivalents under those 

36 requirements shall be calculated as follows: 

37 1. One vehicle equivalent for every four hundred fifty gallons of neat 

38 biodiesel or two thousand two hundred fifty gallons of a diesel fuel 

39 substitute prescribed in section 1-215, paragraph 7, subdivision (b). 

40 2. One vehicle equivalent for every five hundred thirty gallons of the 

41 fuel prescribed in section 1-215, paragraph 7, subdivision (d). 

42 H. SUBSECTION A, PARAGRAPHS 5 THROUGH 8 OF THIS SECTION DO NOT APPLY 

43 TO ANY SITE THAT HAS A PERMIT ISSUED BY A CONTROL OFFICER AS DEFINED IN 

44 SECTION 49-471 FOR THE CONTROL OF FUGITIVE DUST FROM DUST GENERATING 

45 OPERATIONS.
S.B. 1552 

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1 H. I. For the purposes of this section, "alternative fuel" and "clean 

2 burning fuel" have the same meanings prescribed in section 1-215. 

3 Sec. 2. Title 9, chapter 4, article 8, Arizona Revised Statutes, is 

4 amended by adding section 9-500.27, to read: 

5 9-500.27. Off-road vehicle ordinance; applicability; violation; 

6 classification

7 A. NO LATER THAN MARCH 31, 2008, IN AREA A, AS DEFINED IN SECTION 

8 49-541, A CITY OR TOWN SHALL ADOPT, IMPLEMENT AND ENFORCE AN ORDINANCE THAT 

9 PROHIBITS THE OPERATION OF ANY VEHICLE, INCLUDING AN OFF-HIGHWAY VEHICLE, AN 

10 ALL-TERRAIN VEHICLE OR AN OFF-ROAD RECREATIONAL MOTOR VEHICLE, ON AN UNPAVED 

11 SURFACE THAT IS NOT A PUBLIC OR PRIVATE ROAD, STREET OR LAWFUL EASEMENT AND 

12 THAT IS CLOSED BY THE LANDOWNER BY RULE OR REGULATION OF A FEDERAL AGENCY, 

13 THIS STATE, A COUNTY OR A MUNICIPALITY OR BY PROPER POSTING IF THE LAND IS 

14 PRIVATE LAND. 

15 B. THIS SECTION DOES NOT APPLY TO THE OPERATION OF VEHICLES USED IN 

16 THE NORMAL COURSE OF BUSINESS OR THE NORMAL COURSE OF GOVERNMENT OPERATIONS. 

17 C. THIS SECTION DOES NOT PROHIBIT OR PREEMPT THE ENFORCEMENT OF ANY 

18 SIMILAR ORDINANCE THAT IS ADOPTED BY A CITY OR TOWN IN AREA A, AS DEFINED IN 

19 SECTION 49-541, BEFORE MARCH 31, 2008 FOR PURPOSES OF DUST ABATEMENT. 

20 D. A PERSON WHO VIOLATES AN ORDINANCE ADOPTED PURSUANT TO SUBSECTION A 

21 OF THIS SECTION IS GUILTY OF A CLASS 3 MISDEMEANOR. 

22 E. IN ADDITION TO OR IN LIEU OF A FINE PURSUANT TO THIS SECTION, A 

23 JUDGE MAY ORDER THE PERSON TO PERFORM AT LEAST EIGHT BUT NOT MORE THAN 

24 TWENTY-FOUR HOURS OF COMMUNITY RESTITUTION OR TO COMPLETE AN APPROVED SAFETY 

25 COURSE RELATED TO THE OFF-HIGHWAY OPERATION OF MOTOR VEHICLES, OR BOTH.

26 Sec. 3. Section 11-871, Arizona Revised Statutes, is amended to read: 

27 11-871. Emissions control; no burn; exemptions; penalty

28 A. A county that contains any part of area A, as defined in section 

29 49-541, shall, by September 1, 1999, develop, implement and enforce in area 

30 A, as defined in section 49-541, an ordinance relating to residential wood 

31 burning restrictions, including a no burn restriction when monitoring or 

32 forecasting indicates BY THE DEPARTMENT OF ENVIRONMENTAL QUALITY PREDICTS the 

33 carbon monoxide standard is likely to be exceeded. 

34 B. ON OR BEFORE OCTOBER 31, 2007, A COUNTY THAT CONTAINS ANY PART OF 

35 AREA A, AS DEFINED IN SECTION 49-541, SHALL AMEND THE ORDINANCE PRESCRIBED BY 

36 SUBSECTION A OF THIS SECTION TO INCLUDE A NO BURN RESTRICTION FOR ANY HIGH 

37 POLLUTION ADVISORY DAY FORECAST BY THE DEPARTMENT OF ENVIRONMENTAL QUALITY 

38 FOR PARTICULATE MATTER. 

39 B. C. The ordinance shall provide an exemption for the use of 

40 residential wood stoves, wood fireplaces or gas fired fireplaces that comply 

41 with any of the following: 

42 1. Provides the sole or primary source of heat or fuel for cooking for 

43 a residence. 
S.B. 1552 

 - 5 - 

1 2. Meets performance standards for new residential wood heaters 

2 manufactured on or after July 1, 1990 or sold at retail on or after July 1, 

3 1992 as prescribed by 40 Code of Federal Regulations part 60, subpart AAA. 

4 3. Burns gaseous fuels, including gas logs. 

5 4. Meets rules adopted by the board of supervisors as prescribed in 

6 section 49-479 for burning wood in approved appliances. 

7 C. D. The ordinance shall provide that a person who violates an 

8 ordinance adopted pursuant to this section is subject to: 

9 1. A warning for the first violation. 

10 2. The imposition of a civil penalty of fifty dollars for the second 

11 violation. 

12 3. The imposition of a civil penalty of one hundred dollars for a THE 

13 third or any subsequent violation. 

14 4. THE IMPOSITION OF A CIVIL PENALTY OF TWO HUNDRED FIFTY DOLLARS FOR 

15 THE FOURTH OR ANY SUBSEQUENT VIOLATION. 

16 D. E. For violations of ordinances adopted pursuant to this section, 

17 the control officer shall use a uniform civil ticket and complaint 

18 substantially similar to a uniform traffic ticket and complaint prescribed by 

19 the rules of procedure in civil traffic cases adopted by the supreme court. 

20 The control officer may issue citations to persons in violation of ordinances 

21 adopted pursuant to this section. 

22 Sec. 4. Section 11-872, Arizona Revised Statutes, is amended to read: 

23 11-872. Control techniques; rules; schedule for adoption

24 A. If the administrator of the United States environmental protection 

25 agency makes a finding relating to area A, as defined in section 49-541, 

26 pursuant to the clean air act amendments of 1990 (P.L. 101-549), section 172, 

27 the county shall adopt by rule the necessary emission limitations or other 

28 standards reflecting control techniques guidelines issued by the United 

29 States environmental protection agency pursuant to the clean air act 

30 amendments of 1990, section 183 in order to achieve emissions reductions 

31 sufficient to respond to the finding. 

32 B. The county shall begin to develop rules which THAT incorporate the 

33 provisions of the control techniques guidelines being developed by the United 

34 States environmental protection agency. The rule making process shall 

35 parallel as closely as possible the United States environmental protection 

36 agency process and incorporate adequate public notice and comment. The 

37 county shall make every practical effort to assure the rules are consistent 

38 with the concepts and provisions embodied in the United States environmental 

39 protection agency process. Within sixty days of AFTER the formal adoption of 

40 the United States environmental protection agency control techniques 

41 guidelines for an industry sector, the county shall adopt rules, emission 

42 limitations or other standards reflecting such guidelines. If the guidelines 

43 are required pursuant to subsection A of this section prior to formal 

44 adoption by the administrator of the guidelines, the county rules shall 

45 become effective within sixty days of AFTER the United States environmental 
S.B. 1552 

 - 6 - 

1 protection agency finding. The county shall determine which industry sector 

2 shall be subject to the requirements of this section. 

3 C. If the director of the department of environmental quality 

4 determines that emissions inventory data, monitoring information and modeling 

5 or projections indicate it is likely that reasonable further progress or 

6 attainment will not be achieved in order to comply with the clean air act 

7 amendments of 1990 OR ACHIEVE OR MAINTAIN NATIONAL AMBIENT AIR QUALITY 

8 STANDARDS OR OTHER AIR QUALITY STANDARDS APPLICABLE TO OZONE PRECURSORS, the 

9 county shall adopt rules necessary to achieve emissions reductions to achieve 

10 reasonable further progress or attainment. The rules shall be based on 

11 technically feasible controls to reduce the emissions of volatile organic 

12 compounds from industry sectors that the United States environmental 

13 protection agency is considering for control technique guidelines. 

14 D. All emissions reductions required pursuant to this section shall be 

15 achieved FOR PURPOSES OF THE ONE-HOUR OZONE STANDARD no later than June 1, 

16 1996 AND FOR PURPOSES OF THE EIGHT-HOUR AVERAGED OZONE STANDARD NO LATER THAN 

17 DECEMBER 31, 2008. 

18 Sec. 5. Title 11, chapter 6, article 4, Arizona Revised Statutes, is 

19 amended by adding section 11-877, to read: 

20 11-877. Air quality control measures

21 A. IN ORDER TO REDUCE PARTICULATE MATTER IN AMBIENT AIR, THE BOARD OF 

22 SUPERVISORS OF ANY COUNTY THAT CONTAINS ANY PORTION OF AREA A, AS DEFINED IN 

23 SECTION 49-541, SHALL DEVELOP, IMPLEMENT AND ENFORCE IN AREA A THE FOLLOWING 

24 AIR QUALITY CONTROL MEASURES: 

25 1. BEGINNING ON THE EFFECTIVE DATE OF THIS SECTION, PROHIBIT EMPLOYEES 

26 OR CONTRACTORS OF THAT COUNTY FROM OPERATING LEAF BLOWERS ON ANY HIGH 

27 POLLUTION ADVISORY DAY FORECAST BY THE DEPARTMENT OF ENVIRONMENTAL QUALITY 

28 EXCEPT WHILE IN VACUUM MODE AND PROHIBIT THOSE EMPLOYEES OR CONTRACTORS FROM 

29 BLOWING LANDSCAPE DEBRIS INTO PUBLIC ROADWAYS AT ANY TIME. 

30 2. NO LATER THAN MARCH 31, 2008, ADOPT, IMPLEMENT AND ENFORCE AN 

31 ORDINANCE THAT BANS THE BLOWING OF LANDSCAPE DEBRIS INTO PUBLIC ROADWAYS AT 

32 ANY TIME BY ANY PERSON. 

33 3. NO LATER THAN MARCH 31, 2008, ADOPT, IMPLEMENT AND ENFORCE AN 

34 ORDINANCE THAT PROHIBITS THE OPERATION OF LEAF BLOWERS EXCEPT ON SURFACES 

35 THAT HAVE BEEN STABILIZED WITH ASPHALTIC CONCRETE, CEMENT CONCRETE, 

36 HARDSCAPE, PENETRATION TREATMENT OF BITUMINOUS MATERIAL AND SEAL COAT OF 

37 BITUMINOUS BINDER AND A MINERAL AGGREGATE, DECOMPOSED GRANITE COVER, CRUSHED 

38 GRANITE COVER, AGGREGATE COVER, GRAVEL COVER, OR GRASS OR OTHER CONTINUOUS 

39 VEGETATIVE COVER, OR ANY COMBINATION OF THOSE STABILIZERS. 

40 B. THIS SECTION DOES NOT APPLY TO ANY SITE THAT HAS A PERMIT ISSUED BY 

41 A CONTROL OFFICER AS DEFINED IN SECTION 49-471 FOR THE CONTROL OF FUGITIVE 

42 DUST FROM DUST GENERATING OPERATIONS.
S.B. 1552 

 - 7 - 

1 Sec. 6. Section 28-1098, Arizona Revised Statutes, is amended to read: 

2 28-1098. Vehicle loads; restrictions; civil penalties

3 A. FOR THE PURPOSE OF HIGHWAY SAFETY OR AIR POLLUTION PREVENTION, a 

4 person shall not drive or move a vehicle on a highway unless the vehicle is 

5 constructed or loaded in a manner to prevent any of its load from dropping, 

6 sifting, leaking or otherwise escaping from the vehicle, except that either

7 THE FOLLOWING ARE PERMITTED: 

8 1. SUFFICIENT sand may be dropped for the purpose of securing 

9 traction. 

10 2. Water or another substance may be sprinkled on a roadway in 

11 cleaning or maintaining the roadway. 

12 3. MINOR PIECES OF AGRICULTURAL MATERIALS SUCH AS LEAVES AND STEMS 

13 FROM AGRICULTURAL LOADS. 

14 B. A person shall not operate a vehicle on a highway with a load 

15 unless the load and any covering on the load are securely fastened in a 

16 manner to prevent the covering or load from becoming loose, detached or in 

17 any manner a hazard to other users of the highway. 

18 C. If a person is found in violation of this section and the 

19 violation: 

20 1. Does not cause any damage or injury and is the person's: 

21 (a) First violation in a sixty month period, the person is subject to a 

22 civil penalty of up to NOT MORE THAN two hundred fifty dollars. 

23 (b) Second or subsequent violation in a sixty month period, the person 

24 is subject to a civil penalty of up to NOT MORE THAN three hundred fifty 

25 dollars. 

26 2. Results in an accident causing serious physical injury as defined 

27 in section 13-105 to another person, the person is subject to a civil penalty 

28 of up to NOT MORE THAN five hundred dollars. 

29 3. Results in an accident causing the death of another person, the 

30 person is subject to a civil penalty of up to NOT MORE THAN one thousand 

31 dollars. 

32 Sec. 7. Section 28-6705, Arizona Revised Statutes, is amended to read: 

33 28-6705. Public road and street maintenance

34 A. The board of supervisors may spend public monies for maintenance of 

35 public roads and streets other than legally designated state and county 

36 highways located without the limits of an incorporated city or town. Before 

37 spending public monies under this section, the roads or streets shall be 

38 both: 

39 1. Laid out, opened and constructed without cost to the county. 

40 2. Completed pursuant to a plat approved pursuant to sections 11-802 

41 and 11-806.01 and in accordance with standard engineering road specifications 

42 adopted by the board of supervisors to ensure uniform compliance. 

43 B. The board of supervisors may spend public monies for maintenance of 

44 public roads and streets laid out, constructed and opened before June 13, 
S.B. 1552 

 - 8 - 

1 1975 even if the roads and streets were not constructed in accordance with 

2 subsection A of this section. 

3 C. Maintenance of a public road or street does not include purchasing 

4 or laying cement. To reduce long-term maintenance costs for maintenance 

5 authorized by this section, the board of supervisors may spend monies to add 

6 rock products, gravel and processed materials to the base of the roads and 

7 streets. Petroleum based or nonpetroleum based products may be used in the 

8 maintenance and repair of unpaved roads, alleys and shoulders identified 

9 pursuant to section 9-500.04 or section 49-474.01 OR UNPAVED ROADS, ALLEYS 

10 AND SHOULDERS IN ANY COUNTY WHERE THE CONTROL OFFICER AS DEFINED IN SECTION 

11 49-471 CERTIFIES TO THE BOARD OF SUPERVISORS THAT EMISSIONS FROM SUCH ROADS, 

12 ALLEYS OR SHOULDERS MAY ENDANGER COMPLIANCE WITH THE NATIONAL AMBIENT AIR 

13 QUALITY STANDARD AS DEFINED IN SECTION 49-401.01. 

14 Sec. 8. Section 41-2083, Arizona Revised Statutes, as amended by Laws 

15 2007, chapter 145, section 1, is amended to read: 

16 41-2083. Standards for motor fuel; exceptions

17 A. Except as provided in SECTION 41-2083.01 AND subsections C, D, E, 

18 F, G, K, L, M and N of this section, a retail seller or fleet owner shall not 

19 store, sell or expose or offer for sale any motor fuel, kerosene, oil or 

20 other liquid or gaseous fuel or lubricating oil, lubricant, mixtures of 

21 lubricants or other similar products if the product fails to meet the 

22 standards specified in this section and in the rules adopted by the director. 

23 B. A person shall not misrepresent the nature, origination, quality, 

24 grade or identity of any product specified in subsection A of this section or 

25 represent the nature, origination, quality, grade or identity of such product 

26 in any manner calculated or tending to mislead or in any way deceive. 

27 C. After consultation with the director of the department of 

28 environmental quality, the standards and test methods for motor fuels shall 

29 be established by the director of the department of weights and measures by 

30 rule. 

31 D. Maximum vapor pressure for gasoline that is supplied or sold by any 

32 person and that is intended as a final product for the fueling of motor 

33 vehicles in a county with a population of one million two hundred thousand or 

34 more persons and any portion of a county contained in area A as defined in 

35 section 49-541 shall be 9.0 pounds per square inch from and after September 

36 30 through March 31 of each year. Fuel used in motor vehicles at a 

37 manufacturer's proving ground or a motor vehicle racing event as defined by 

38 section 41-2121 is exempt from this subsection. 

39 E. From and after September 30 through March 31 of each year a person 

40 shall not supply or sell gasoline that exceeds the ASTM D4814 class A vapor 

41 pressure/distillation class ten volume per cent evaporated distillation 

42 temperature. 

43 F. Maximum vapor pressure for gasoline that is supplied or sold by any 

44 person and that is intended as a final product for the fueling of motor 

45 vehicles in a county with a population of one million two hundred thousand 
S.B. 1552 

 - 9 - 

1 persons or more and any portion of a county contained in area A as defined in 

2 section 49-541 shall be 7.0 pounds per square inch from and after May 31 

3 through September 30 of each year. Fuel used in motor vehicles at a 

4 manufacturer's proving ground or a motor vehicle racing event as defined by 

5 section 41-2121 is exempt from this subsection. 

6 G. Exclusively for the purposes of transportation conformity and only 

7 if the administrator of the United States environmental protection agency 

8 fails to approve the applicable plan required pursuant to section 49-406, 

9 maximum vapor pressure for gasoline that is supplied or sold by any person 

10 and that is intended as a final product for the fueling of motor vehicles in 

11 area B as defined in section 49-541 shall be ten pounds per square inch from 

12 and after September 30 through March 31 of each year. Fuel used in motor 

13 vehicles at a manufacturer's proving ground or a motor vehicle racing event 

14 as defined by section 41-2121 is exempt from this subsection. 

15 H. Notwithstanding subsections D, F and G of this section, the 

16 director of the department of weights and measures in consultation with the 

17 director of the department of environmental quality shall approve alternate 

18 fuel control measures that are submitted by manufacturers or suppliers of 

19 gasoline and that the directors determine will result in either of the 

20 following: 

21 1. Motor vehicle carbon monoxide emissions that are equal to or less 

22 than emissions that result under compliance with subsection D of this section 

23 and section 41-2123. In making this determination, the director of the 

24 department of weights and measures and the director of the department of 

25 environmental quality shall compare the emissions of the alternate fuel 

26 control measure with the emissions of a fuel with a maximum vapor pressure 

27 standard as prescribed by this section and with the minimum oxygen content or 

28 percentage by volume of ethanol as prescribed by section 41-2123. 

29 2. Motor vehicle non-methane hydrocarbon emissions that are equal to 

30 or less than the emissions that result under compliance with subsection F of 

31 this section. In making this determination, the director of the department 

32 of weights and measures and the director of the department of environmental 

33 quality shall compare the motor vehicle non-methane hydrocarbon emissions of 

34 the alternate fuel control measure with the motor vehicle non-methane 

35 hydrocarbon emissions of a fuel that complies with the maximum vapor pressure 

36 standard as prescribed by subsection F of this section. 

37 I. Any alternate fuel control measures that are approved shall not 

38 increase emissions of non-methane hydrocarbons, particulates, carbon monoxide 

39 or oxides of nitrogen. Alternate fuel control measures approved pursuant to 

40 subsection H of this section and this subsection may be used by any 

41 manufacturer or supplier of gasoline unless the approval is rescinded more 

42 than one hundred eighty days before the first day of a gasoline control 

43 period. Manufacturers and suppliers who use an approved alternate fuel 

44 control measure shall annually submit a compliance plan to the director of 
S.B. 1552 

 - 10 - 

1 the department of weights and measures no later than sixty days before the 

2 first day of a gasoline control period. 

3 J. A person shall not sell or offer or expose for sale diesel fuel 

4 grade 1, 2 or 4 as defined in ASTM D975 that contains sulfur in excess of: 

5 1. For low sulfur diesel fuel, five hundred parts per million by 

6 weight for use in area A as defined in section 49-541. 

7 2. For ultra low sulfur diesel fuel, the amount that conforms with 40 

8 Code of Federal Regulations section 80.520(a)(1). 

9 K. A person shall not sell or offer or expose for sale biodiesel that 

10 is not tested or does not meet the specifications established by ASTM D6751 

11 or any blend of biodiesel and diesel fuel that is not tested or does not meet 

12 the specifications established by ASTM D975 and that contains sulfur in 

13 excess of five hundred parts per million for use in area A as defined in 

14 section 49-541. 

15 L. A person that blends biodiesel that is intended as a final product 

16 for the fueling of motor vehicles shall report to the director by the 

17 fifteenth day of each month the quantity and quality of biodiesel shipped to 

18 or produced in this state during the preceding month. A person who supplies 

19 biodiesel subject to this subsection shall report the following by batch: 

20 1. The percentage of biodiesel in a final blend. 

21 2. The volume of the finished product. 

22 3. For neat biodiesel, the results of analysis for those parameters 

23 established by ASTM D6751. 

24 4. For biodiesel blended with any diesel fuel, the results of the 

25 analysis of the following motor fuel parameters as established by ASTM D975: 

26 (a) Sulfur content. 

27 (b) Aromatic hydrocarbon content. 

28 (c) Cetane number. 

29 (d) Specific gravity. 

30 (e) American petroleum institute gravity. 

31 (f) The temperatures at which ten per cent, fifty per cent and ninety 

32 per cent of the diesel fuel boiled off during distillation. 

33 M. The report required by subsection L of this section shall be on a 

34 form prescribed by the director and shall contain a certification of 

35 truthfulness and accuracy of the data submitted and a statement of the 

36 supplier's consent permitting the department or its authorized agent to 

37 collect samples and access records as provided in rules adopted by the 

38 department. A corporate officer who is responsible for operations at the 

39 facility that produces or ships the final product shall sign the report. 

40 N. A person shall label dispensers at which biodiesel is dispensed in 

41 such a manner as to notify other persons of the volume percentage of 

42 biodiesel in the finished product and that conforms with 40 Code of Federal 

43 Regulations sections 80.570, 80.571, 80.572, 80.573 and 80.574 to inform the 

44 customer of the sulfur content of the diesel fuel being dispensed. 
S.B. 1552 

 - 11 - 

1 O. A person shall label each dispenser at which ultra low sulfur 

2 diesel fuel is dispensed in a manner that conforms with 40 Code of Federal 

3 Regulations sections 80.570, 80.571, 80.572, 80.573 and 80.574 to inform the 

4 customer of the sulfur content of the diesel fuel being dispensed. 

5 P. A person shall label each dispenser at which low sulfur diesel fuel 

6 is dispensed in a manner that conforms with 40 Code of Federal Regulations 

7 sections 80.570, 80.571, 80.572, 80.573 and 80.574 to inform the customer of 

8 the sulfur content of the diesel fuel being dispensed. 

9 Q. If any person transfers custody or title of a diesel fuel or 

10 distillate, except if the diesel fuel is dispensed into a motor vehicle or 

11 nonroad, locomotive or marine equipment, the transferor shall provide to the 

12 transferee product transfer documents that conform with 40 Code of Federal 

13 Regulations section 80.590. 

14 R. If the transfer of a motor fuel is from a terminal, storage 

15 facility, or transmix facility, the product transfer documents shall contain 

16 the information prescribed in subsection Q of this section as well as the 

17 name and address of the final destination for the shipment, as prescribed by 

18 department rule, and must accompany the shipment to its final destination.

19 Sec. 9. Section 41-2083, Arizona Revised Statutes, as amended by Laws 

20 2007, chapter 145, section 2, is amended to read: 

21 41-2083. Standards for motor fuel; exceptions

22 A. Except as provided in SECTION 41-2083.01 AND subsections C, D, E, 

23 F, G, K, L, M and N of this section, a retail seller or fleet owner shall not 

24 store, sell or expose or offer for sale any motor fuel, kerosene, oil or 

25 other liquid or gaseous fuel or lubricating oil, lubricant, mixtures of 

26 lubricants or other similar products if the product fails to meet the 

27 standards specified in this section and in the rules adopted by the director. 

28 B. A person shall not misrepresent the nature, origination, quality, 

29 grade or identity of any product specified in subsection A of this section or 

30 represent the nature, origination, quality, grade or identity of such product 

31 in any manner calculated or tending to mislead or in any way deceive. 

32 C. After consultation with the director of the department of 

33 environmental quality, the standards and test methods for motor fuels shall 

34 be established by the director of the department of weights and measures by 

35 rule. 

36 D. Maximum vapor pressure for gasoline that is supplied or sold by any 

37 person and that is intended as a final product for the fueling of motor 

38 vehicles in a county with a population of one million two hundred thousand or 

39 more persons and any portion of a county contained in area A as defined in 

40 section 49-541 shall be 9.0 pounds per square inch from and after September 

41 30 through January 31 of each year. Fuel used in motor vehicles at a 

42 manufacturer's proving ground or a motor vehicle racing event as defined by 

43 section 41-2121 is exempt from this subsection. 

44 E. From and after September 30 through March 31 of each year a person 

45 shall not supply or sell gasoline that exceeds the ASTM D4814 class A vapor 
S.B. 1552 

 - 12 - 

1 pressure/distillation class ten volume per cent evaporated distillation 

2 temperature. 

3 F. Maximum vapor pressure for gasoline that is supplied or sold by any 

4 person and that is intended as a final product for the fueling of motor 

5 vehicles in a county with a population of one million two hundred thousand 

6 persons or more and any portion of a county contained in area A as defined in 

7 section 49-541 shall be 7.0 pounds per square inch from and after May 31 

8 through September 30 of each year. Fuel used in motor vehicles at a 

9 manufacturer's proving ground or a motor vehicle racing event as defined by 

10 section 41-2121 is exempt from this subsection. 

11 G. Exclusively for the purposes of transportation conformity and only 

12 if the administrator of the United States environmental protection agency 

13 fails to approve the applicable plan required pursuant to section 49-406, 

14 maximum vapor pressure for gasoline that is supplied or sold by any person 

15 and that is intended as a final product for the fueling of motor vehicles in 

16 area B as defined in section 49-541 shall be ten pounds per square inch from 

17 and after September 30 through March 31 of each year. Fuel used in motor 

18 vehicles at a manufacturer's proving ground or a motor vehicle racing event 

19 as defined by section 41-2121 is exempt from this subsection. 

20 H. Notwithstanding subsections D, F and G of this section, the 

21 director of the department of weights and measures in consultation with the 

22 director of the department of environmental quality shall approve alternate 

23 fuel control measures that are submitted by manufacturers or suppliers of 

24 gasoline and that the directors determine will result in either of the 

25 following: 

26 1. Motor vehicle carbon monoxide emissions that are equal to or less 

27 than emissions that result under compliance with subsection D of this section 

28 and section 41-2123. In making this determination, the director of the 

29 department of weights and measures and the director of the department of 

30 environmental quality shall compare the emissions of the alternate fuel 

31 control measure with the emissions of a fuel with a maximum vapor pressure 

32 standard as prescribed by this section and with the minimum oxygen content or 

33 percentage by volume of ethanol as prescribed by section 41-2123. 

34 2. Motor vehicle non-methane hydrocarbon emissions that are equal to 

35 or less than the emissions that result under compliance with subsection F of 

36 this section. In making this determination, the director of the department 

37 of weights and measures and the director of the department of environmental 

38 quality shall compare the motor vehicle non-methane hydrocarbon emissions of 

39 the alternate fuel control measure with the motor vehicle non-methane 

40 hydrocarbon emissions of a fuel that complies with the maximum vapor pressure 

41 standard as prescribed by subsection F of this section. 

42 I. Any alternate fuel control measures that are approved shall not 

43 increase emissions of non-methane hydrocarbons, particulates, carbon monoxide 

44 or oxides of nitrogen. Alternate fuel control measures approved pursuant to 

45 subsection H of this section and this subsection may be used by any 
S.B. 1552 

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1 manufacturer or supplier of gasoline unless the approval is rescinded more 

2 than one hundred eighty days before the first day of a gasoline control 

3 period. Manufacturers and suppliers who use an approved alternate fuel 

4 control measure shall annually submit a compliance plan to the director of 

5 the department of weights and measures no later than sixty days before the 

6 first day of a gasoline control period. 

7 J. A person shall not sell or offer or expose for sale diesel fuel 

8 grade 1, 2 or 4 as defined in ASTM D975 that contains sulfur in excess of: 

9 1. For low sulfur diesel fuel, five hundred parts per million by 

10 weight for use in area A as defined in section 49-541. 

11 2. For ultra low sulfur diesel fuel, the amount that conforms with 40 

12 Code of Federal Regulations section 80.520(a)(1). 

13 K. A person shall not sell or offer or expose for sale biodiesel that 

14 is not tested or does not meet the specifications established by ASTM D6751 

15 or any blend of biodiesel and diesel fuel that is not tested or does not meet 

16 the specifications established by ASTM D975 and that contains sulfur in 

17 excess of five hundred parts per million for use in area A as defined in 

18 section 49-541. 

19 L. A person who blends biodiesel that is intended as a final product 

20 for the fueling of motor vehicles shall report to the director by the 

21 fifteenth day of each month the quantity and quality of biodiesel shipped to 

22 or produced in this state during the preceding month. A person who supplies 

23 biodiesel subject to this subsection shall report the following by batch: 

24 1. The percentage of biodiesel in a final blend. 

25 2. The volume of the finished product. 

26 3. For neat biodiesel, the results of analysis for those parameters 

27 established by ASTM D6751. 

28 4. For biodiesel blended with any diesel fuel, the results of the 

29 analysis of the following motor fuel parameters as established by ASTM D975: 

30 (a) Sulfur content. 

31 (b) Aromatic hydrocarbon content. 

32 (c) Cetane number. 

33 (d) Specific gravity. 

34 (e) American petroleum institute gravity. 

35 (f) The temperatures at which ten per cent, fifty per cent and ninety 

36 per cent of the diesel fuel boiled off during distillation. 

37 M. The report required by subsection L of this section shall be on a 

38 form prescribed by the director and shall contain a certification of 

39 truthfulness and accuracy of the data submitted and a statement of the 

40 supplier's consent permitting the department or its authorized agent to 

41 collect samples and access records as provided in rules adopted by the 

42 department. A corporate officer who is responsible for operations at the 

43 facility that produces or ships the final product shall sign the report. 

44 N. A person shall label dispensers at which biodiesel is dispensed in 

45 such a manner as to notify other persons of the volume percentage of 
S.B. 1552 

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1 biodiesel in the finished product and that conforms with 40 Code of Federal 

2 Regulations sections 80.570, 80.571, 80.572, 80.573 and 80.574 to inform the 

3 customer of the sulfur content of the diesel fuel being dispensed. 

4 O. A person shall label each dispenser at which ultra low sulfur 

5 diesel fuel is dispensed in a manner that conforms with 40 Code of Federal

6 Regulations sections 80.570, 80.571, 80.572, 80.573 and 80.574 to inform the 

7 customer of the sulfur content of the diesel fuel being dispensed. 

8 P. A person shall label each dispenser at which low sulfur diesel fuel 

9 is dispensed in a manner that conforms with 40 Code of Federal Regulations 

10 sections 80.570, 80.571, 80.572, 80.573 and 80.574 to inform the customer of 

11 the sulfur content of the diesel fuel being dispensed. 

12 Q. If any person transfers custody or title of a diesel fuel or 

13 distillate, except if the diesel fuel is dispensed into a motor vehicle or 

14 nonroad, locomotive or marine equipment, the transferor shall provide to the 

15 transferee product transfer documents that conform with 40 Code of Federal 

16 Regulations section 80.590. 

17 R. If the transfer of a motor fuel is from a terminal, storage 

18 facility, or transmix facility, the product transfer documents shall contain 

19 the information prescribed in subsection Q of this section as well as the 

20 name and address of the final destination for the shipment, as prescribed by 

21 department rule, and must accompany the shipment to its final destination.

22 Sec. 10. Title 41, chapter 15, article 3, Arizona Revised Statutes, is 

23 amended by adding section 41-2083.01, to read: 

24 41-2083.01. Area C; standards for motor fuel; exceptions

25 A. EXCEPT AS PROVIDED IN SUBSECTIONS C AND D OF THIS SECTION, AFTER 

26 MAY 31, 2008, A RETAIL SELLER OR FLEET OWNER SHALL NOT STORE, SELL OR EXPOSE 

27 OR OFFER FOR SALE IN AREA C AS DEFINED IN SECTION 41-2121 ANY MOTOR FUEL, 

28 KEROSENE, OIL OR OTHER LIQUID OR GASEOUS FUEL OR LUBRICATING OIL, LUBRICANT, 

29 MIXTURES OF LUBRICANTS OR OTHER SIMILAR PRODUCTS IF THE PRODUCT FAILS TO MEET 

30 THE STANDARDS SPECIFIED IN THIS SECTION AND IN THE RULES ADOPTED BY THE 

31 DIRECTOR. 

32 B. A PERSON SHALL NOT MISREPRESENT THE NATURE, ORIGINATION, QUALITY, 

33 GRADE OR IDENTITY OF ANY PRODUCT SPECIFIED IN SUBSECTION A OF THIS SECTION OR 

34 REPRESENT THE NATURE, ORIGINATION, QUALITY, GRADE OR IDENTITY OF SUCH PRODUCT 

35 IN ANY MANNER CALCULATED OR TENDING TO MISLEAD OR IN ANY WAY DECEIVE. 

36 C. AFTER CONSULTATION WITH THE DIRECTOR OF THE DEPARTMENT OF 

37 ENVIRONMENTAL QUALITY, THE STANDARDS AND TEST METHODS FOR MOTOR FUELS SHALL 

38 BE ESTABLISHED BY THE DIRECTOR OF THE DEPARTMENT OF WEIGHTS AND MEASURES BY 

39 RULE. 

40 D. MAXIMUM VAPOR PRESSURE FOR GASOLINE THAT IS SUPPLIED OR SOLD BY ANY 

41 PERSON AND THAT IS INTENDED AS A FINAL PRODUCT FOR THE FUELING OF MOTOR 

42 VEHICLES IN AREA C AS DEFINED IN SECTION 41-2121 SHALL BE 7.0 POUNDS PER 

43 SQUARE INCH FROM AND AFTER MAY 31 THROUGH SEPTEMBER 30 OF EACH YEAR. FUEL 

44 USED IN MOTOR VEHICLES AT A MANUFACTURER'S PROVING GROUND OR A MOTOR VEHICLE 

45 RACING EVENT AS DEFINED BY SECTION 41-2121 IS EXEMPT FROM THIS SUBSECTION. 
S.B. 1552 

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1 E. THE DIRECTOR OF THE DEPARTMENT OF WEIGHTS AND MEASURES IN 

2 CONSULTATION WITH THE DIRECTOR OF THE DEPARTMENT OF ENVIRONMENTAL QUALITY 

3 SHALL APPROVE ALTERNATE FUEL CONTROL MEASURES THAT ARE SUBMITTED BY 

4 MANUFACTURERS OR SUPPLIERS OF GASOLINE AND THAT THE DIRECTORS DETERMINE WILL 

5 RESULT IN MOTOR VEHICLE NON-METHANE HYDROCARBON EMISSIONS THAT ARE EQUAL TO 

6 OR LESS THAN THE EMISSIONS THAT RESULT UNDER COMPLIANCE WITH SUBSECTION D OF 

7 THIS SECTION. IN MAKING THIS DETERMINATION, THE DIRECTOR OF THE DEPARTMENT 

8 OF WEIGHTS AND MEASURES AND THE DIRECTOR OF THE DEPARTMENT OF ENVIRONMENTAL 

9 QUALITY SHALL COMPARE THE MOTOR VEHICLE NON-METHANE HYDROCARBON EMISSIONS OF 

10 THE ALTERNATE FUEL CONTROL MEASURE WITH THE MOTOR VEHICLE NON-METHANE 

11 HYDROCARBON EMISSIONS OF A FUEL THAT COMPLIES WITH THE MAXIMUM VAPOR PRESSURE 

12 STANDARD AS PRESCRIBED BY SUBSECTION D OF THIS SECTION. 

13 F. ANY ALTERNATE FUEL CONTROL MEASURES THAT ARE APPROVED SHALL NOT 

14 INCREASE EMISSIONS OF NON-METHANE HYDROCARBONS, PARTICULATES, CARBON MONOXIDE 

15 OR OXIDES OF NITROGEN. ALTERNATE FUEL CONTROL MEASURES APPROVED PURSUANT TO 

16 SUBSECTION E OF THIS SECTION AND THIS SUBSECTION MAY BE USED BY ANY 

17 MANUFACTURER OR SUPPLIER OF GASOLINE UNLESS THE APPROVAL IS RESCINDED MORE 

18 THAN ONE HUNDRED EIGHTY DAYS BEFORE THE FIRST DAY OF A GASOLINE CONTROL 

19 PERIOD. MANUFACTURERS AND SUPPLIERS WHO USE AN APPROVED ALTERNATE FUEL 

20 CONTROL MEASURE SHALL ANNUALLY SUBMIT A COMPLIANCE PLAN TO THE DIRECTOR OF 

21 THE DEPARTMENT OF WEIGHTS AND MEASURES NO LATER THAN SIXTY DAYS BEFORE THE 

22 FIRST DAY OF A GASOLINE CONTROL PERIOD.

23 Sec. 11. Section 41-2121, Arizona Revised Statutes, is amended to 

24 read: 

25 41-2121. Definitions

26 In this article, unless the context otherwise requires: 

27 1. "Area A" has the same meaning prescribed in section 49-541. 

28 2. "Area B" has the same meaning prescribed in section 49-541. 

29 3. "AREA C" MEANS THAT PORTION OF PINAL COUNTY LYING WEST OF RANGE 11 

30 EAST, EXCLUDING THAT PORTION OF THE COUNTY LYING WITHIN AREA A AS DEFINED IN 

31 SECTION 49-541 AND THAT PORTION OF THE COUNTY WITHIN THE JURISDICTION OF ANY 

32 INDIAN TRIBE, BAND, GROUP OR COMMUNITY THAT IS RECOGNIZED BY THE UNITED 

33 STATES SECRETARY OF THE INTERIOR AND THAT EXERCISES GOVERNMENTAL AUTHORITY 

34 WITHIN THE LIMITS OF ANY INDIAN RESERVATION UNDER THE JURISDICTION OF THE 

35 UNITED STATES GOVERNMENT, NOTWITHSTANDING THE ISSUANCE OF ANY PATENT AND 

36 INCLUDING RIGHTS-OF-WAY RUNNING THROUGH THE RESERVATION. 

37 3. 4. "Fleet owner" means a registered owner or lessee of at least 

38 twenty-five vehicles. 

39 4. 5. "Gasoline" means a volatile, highly flammable liquid mixture of 

40 hydrocarbons that does not contain more than five one-hundredths grams of 

41 lead for each United States gallon, that is produced, refined, manufactured, 

42 blended, distilled or compounded from petroleum, natural gas, oil, shale oils 

43 or coal and other flammable liquids free from undissolved water, sediment or 

44 suspended matter, with or without additives, and that is commonly used as a 
S.B. 1552 

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1 fuel for spark ignition internal combustion engines. Gasoline does not 

2 include diesel fuel or the ethanol blend E85 as defined in ASTM D5798-99. 

3 5. 6. "Manufacturer's proving ground" means a facility whose sole 

4 purpose is to develop complete advanced vehicles for an automotive 

5 manufacturer. 

6 6. 7. "Motor vehicle racing event" means a race that uses unlicensed 

7 vehicles that are designed and manufactured specifically for racing purposes 

8 and that is conducted on a public or private racecourse for the entertainment 

9 of the general public. A motor vehicle racing event includes practice, 

10 qualifying and demonstration laps conducted as part of the activities related 

11 to a motor vehicle race. 

12 7. 8. "Oxygenate" means any oxygen-containing ashless, organic 

13 compound, including aliphatic alcohols and aliphatic ethers, that may be used 

14 as a fuel or as a gasoline blending component and that is approved as a 

15 blending agent under the provisions of a waiver issued by the United States 

16 environmental protection agency pursuant to 42 United States Code section 

17 7545(f). 

18 8. 9. "Oxygenated fuel" means an unleaded motor fuel blend that 

19 consists primarily of gasoline and at least one and one-half per cent by 

20 weight of one or more oxygenates and that has been blended consistent with 

21 the provisions of a waiver issued by the United States environmental 

22 protection agency pursuant to 42 United States Code section 7545(f). 

23 9. 10. "Product transfer document" means any bill of lading, loading 

24 ticket, manifest, delivery receipt, invoice or other documentation used on 

25 any occasion when a person transfers custody or title of motor fuel other 

26 than when motor fuel is sold or dispensed at a service station or fleet 

27 vehicle fueling facility. 

28 10. 11. "Supplier" means any person who imports gasoline into a 

29 vehicle emissions control area by means of a pipeline or in truckload 

30 quantities for the person's own use within the vehicle emissions control area 

31 or any person who sells gasoline intended for ultimate consumption within a 

32 vehicle emissions control area, except that supplier does not mean a person 

33 with respect to gasoline supplied or sold by the person to another for resale 

34 to a retailer within a vehicle emissions control area or to a fleet owner for 

35 consumption within a vehicle emissions control area. 

36 11. 12. "Vehicle emissions control area" has the same meaning 

37 prescribed in section 49-541, except that such an area does not include a 

38 manufacturer's proving ground that is located in the vehicle emissions 

39 control area. 

40 Sec. 12. Title 41, chapter 15, article 6, Arizona Revised Statutes, is 

41 amended by adding section 41-2124.01, to read: 

42 41-2124.01. Area C; fuel reformulation; rules

43 A. FROM AND AFTER MAY 31, 2008 THROUGH SEPTEMBER 30, 2008 AND DURING 

44 THE PERIOD FROM AND AFTER MAY 31 THROUGH SEPTEMBER 30 OF EACH SUBSEQUENT 

45 YEAR, ALL GASOLINE PRODUCED AND SHIPPED TO OR WITHIN THIS STATE AND SOLD OR 
S.B. 1552 

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1 OFFERED FOR SALE FOR USE IN MOTOR VEHICLES IN AREA C SHALL COMPLY WITH EITHER 

2 OF THE FOLLOWING FUEL REFORMULATION OPTIONS: 

3 1. A GASOLINE THAT MEETS STANDARDS FOR FEDERAL PHASE II REFORMULATED 

4 GASOLINE, AS PROVIDED IN 40 CODE OF FEDERAL REGULATIONS SECTION 80.41, 

5 PARAGRAPHS (e) THROUGH (h), IN EFFECT ON JANUARY 1, 1999, EXCEPT THAT THE 

6 MINIMUM OXYGEN CONTENT STANDARD DOES NOT APPLY. THE GASOLINE SHALL ALSO MEET 

7 THE MAXIMUM VAPOR PRESSURE REQUIREMENTS IN SECTION 41-2083.01, SUBSECTION D. 

8 2. CALIFORNIA PHASE 2 REFORMULATED GASOLINE, INCLUDING ALTERNATIVE 

9 FORMULATIONS ALLOWED BY THE PREDICTIVE MODEL, AS ADOPTED BY THE CALIFORNIA 

10 AIR RESOURCES BOARD PURSUANT TO CALIFORNIA CODE OF REGULATIONS TITLE 13, 

11 SECTIONS 2261 THROUGH 2262.7 AND 2265, IN EFFECT ON JANUARY 1, 1997, EXCEPT 

12 THAT THE MINIMUM OXYGEN CONTENT STANDARD DOES NOT APPLY. THE GASOLINE SHALL 

13 ALSO MEET THE MAXIMUM VAPOR PRESSURE REQUIREMENTS IN SECTION 41-2083.01, 

14 SUBSECTION D. 

15 B. ANY REGISTERED SUPPLIER, AS DEFINED IN DEPARTMENT RULES, MAY 

16 PETITION THE DIRECTOR TO REQUEST THAT ALL REGISTERED SUPPLIERS BE ALLOWED TO 

17 SUPPLY GASOLINE IN AREA C THAT DOES NOT MEET THE STANDARDS IN SUBSECTION A OF 

18 THIS SECTION IF THE PETITIONER DEMONSTRATES THAT A SHORTAGE IN THE SUPPLY OF 

19 GASOLINE MEETING THE STANDARDS IN SUBSECTION A OF THIS SECTION IS IMMINENT. 

20 C. A PETITION UNDER SUBSECTION B OF THIS SECTION SHALL: 

21 1. IDENTIFY SPECIFIC SUPPLY CONDITIONS THAT WILL RESULT IN A SHORTAGE 

22 OF GASOLINE MEETING THE STANDARDS IN SUBSECTION A OF THIS SECTION. 

23 2. IDENTIFY THE FORMULATION OF GASOLINE THAT WILL BE SOLD IN AREA C IN 

24 LIEU OF GASOLINE MEETING THE STANDARDS IN SUBSECTION A OF THIS SECTION. 

25 3. SPECIFY A TIME PERIOD FOR COMPLIANCE WITH THE STANDARDS OF 

26 SUBSECTION A OF THIS SECTION NOT TO EXCEED SIXTY DAYS. 

27 D. THE DIRECTOR SHALL EITHER GRANT OR DENY A PETITION UNDER SUBSECTION 

28 B OF THIS SECTION IN WRITING WITHIN SEVEN DAYS OF ITS RECEIPT. ANY DECISION 

29 BY THE DIRECTOR TO GRANT THE PETITION SHALL BE EQUALLY APPLICABLE TO ALL 

30 REGISTERED SUPPLIERS AND SHALL NOT BE SELECTIVELY APPLIED TO ANY SINGLE 

31 REGISTERED SUPPLIER. THE PETITION MAY BE GRANTED ONLY IF THE DIRECTOR 

32 VERIFIES THAT THE BASIS FOR REQUESTING THE PETITION IS FACTUAL. 

33 E. THE DIRECTOR MAY REAUTHORIZE A PETITION GRANTED UNDER SUBSECTION B 

34 OF THIS SECTION IF THE PETITIONER DEMONSTRATES THAT THE CONDITIONS IDENTIFIED 

35 IN THE PETITION HAVE CONTINUED. THE REAUTHORIZATION OF A PETITION SHALL NOT 

36 EXCEED THIRTY DAYS. 

37 F. THE DIRECTOR OF THE DEPARTMENT OF WEIGHTS AND MEASURES SHALL 

38 CONSULT WITH THE DIRECTOR OF THE DEPARTMENT OF ENVIRONMENTAL QUALITY BEFORE 

39 GRANTING, REAUTHORIZING OR DENYING ANY PETITION UNDER SUBSECTION B OF THIS 

40 SECTION. 

41 G. THE DIRECTOR OF THE DEPARTMENT OF ENVIRONMENTAL QUALITY IN 

42 CONSULTATION WITH THE DIRECTOR OF THE DEPARTMENT OF WEIGHTS AND MEASURES 

43 SHALL ADOPT BY RULE: 

44 1. REQUIREMENTS TO IMPLEMENT SUBSECTIONS A, B AND C OF THIS SECTION. 
S.B. 1552 

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1 2. REQUIREMENTS FOR RECORD KEEPING, REPORTING AND ANALYTICAL METHODS 

2 FOR FUEL PROVIDERS TO DEMONSTRATE COMPLIANCE WITH SUBSECTION A OF THIS 

3 SECTION. 

4 H. THIS SECTION DOES NOT APPLY TO FUEL SOLD FOR USE AT A MOTOR VEHICLE 

5 MANUFACTURER PROVING GROUND OR AT A MOTOR VEHICLE RACING EVENT. 

6 Sec. 13. Section 41-2124.01, Arizona Revised Statutes, as added by 

7 section 12 of this act, is amended to read: 

8 41-2124.01. Area C; fuel reformulation; rules

9 A. From and after May 31, 2008 through September 30, 2008 and during 

10 the period from and after May 31 through September 30 of each subsequent 

11 year, all gasoline produced and shipped to or within this state and sold or 

12 offered for sale for use in motor vehicles in area C shall comply with either 

13 of the following fuel reformulation options: 

14 1. A gasoline that meets standards for federal phase II reformulated 

15 gasoline, as provided in 40 Code of Federal Regulations section 80.41, 

16 paragraphs (e) through (h), in effect on January 1, 1999, except that the 

17 minimum oxygen content standard does not apply. The gasoline shall also meet 

18 the maximum vapor pressure requirements in section 41-2083.01, subsection D. 

19 2. California phase 2 3 reformulated gasoline, including alternative 

20 formulations allowed by the predictive model, as adopted by the California 

21 air resources board pursuant to California Code of Regulations title 13, 

22 sections 2261 through 2262.7 and 2263, 2265 AND 2266.5, in effect on January 

23 1, 1997 MAY 1, 2003, except that the minimum oxygen content standard does not 

24 apply. The gasoline shall also meet the maximum INCLUDING vapor pressure 

25 requirements in section 41-2083.01, subsection D CONTAINED IN SECTION 2262.4. 

26 B. Any registered supplier, as defined in department rules, may 

27 petition the director to request that all registered suppliers be allowed to 

28 supply gasoline in area C that does not meet the standards in subsection A of 

29 this section if the petitioner demonstrates that a shortage in the supply of 

30 gasoline meeting the standards in subsection A of this section is imminent. 

31 C. A petition under subsection B of this section shall: 

32 1. Identify specific supply conditions that will result in a shortage 

33 of gasoline meeting the standards in subsection A of this section. 

34 2. Identify the formulation of gasoline that will be sold in area C in 

35 lieu of gasoline meeting the standards in subsection A of this section. 

36 3. Specify a time period for compliance with the standards of 

37 subsection A of this section not to exceed sixty days. 

38 D. The director shall either grant or deny a petition under subsection 

39 B of this section in writing within seven days of its receipt. Any decision 

40 by the director to grant the petition shall be equally applicable to all 

41 registered suppliers and shall not be selectively applied to any single 

42 registered supplier. The petition may be granted only if the director 

43 verifies that the basis for requesting the petition is factual. 

44 E. The director may reauthorize a petition granted under subsection G 

45 of this section if the petitioner demonstrates that the conditions identified 
S.B. 1552 

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1 in the petition have continued. The reauthorization of a petition shall not 

2 exceed thirty days. 

3 F. The director of the department of weights and measures shall 

4 consult with the director of the department of environmental quality before 

5 granting, reauthorizing or denying any petition under subsection B of this 

6 section. 

7 G. The director of the department of environmental quality in 

8 consultation with the director of the department of weights and measures 

9 shall adopt by rule: 

10 1. Requirements to implement subsections A, B and C of this section. 

11 2. Requirements for record keeping, reporting and analytical methods 

12 for fuel providers to demonstrate compliance with subsection A of this 

13 section. 

14 H. This section does not apply to fuel sold for use at a motor vehicle 

15 manufacturer proving ground or at a motor vehicle racing event. 

16 Sec. 14. Section 49-457, Arizona Revised Statutes, is amended to read: 

17 49-457. Agricultural best management practices committee; 

18 members; powers; permits; definitions

19 A. A best management practices committee for regulated agricultural 

20 activities is established. 

21 B. The committee shall consist of: 

22 1. The director OF ENVIRONMENTAL QUALITY or the director's designee. 

23 2. The director of the ARIZONA department of agriculture or the 

24 director's designee. 

25 3. The dean of the college of agriculture of the university of Arizona 

26 or the dean's designee. 

27 4. The state director of the United States natural resources 

28 conservation service or the director's designee. 

29 5. One person actively engaged in the production of citrus. 

30 6. One person actively engaged in the production of vegetables. 

31 7. One person actively engaged in the production of cotton. 

32 8. One person actively engaged in the production of alfalfa. 

33 9. One person actively engaged in the production of grain. 

34 10. One soil taxonomist from the university of Arizona college of 

35 agriculture. 

36 C. The governor shall appoint the members designated pursuant to 

37 subsection A B, paragraphs 5 through 10 of this section for a term of six 

38 years. Members may be reappointed. Members are not entitled to compensation 

39 for their services but are entitled to receive reimbursement of expenses 

40 pursuant to section 38-611, subsection D TITLE 38, CHAPTER 4, ARTICLE 2. 

41 D. The committee shall elect a chairman from the appointed members to 

42 serve a two year term. 

43 E. The committee shall meet at the call of the chairman or at the 

44 request of a majority of the appointed members. 
S.B. 1552 

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1 F. The department of environmental quality, the ARIZONA department of 

2 agriculture and the college of agriculture of the university of Arizona shall 

3 cooperate with and provide technical assistance and any necessary information 

4 to the committee. The department of environmental quality shall provide the 

5 necessary staff support and meeting facilities for the committee. 

6 G. Notwithstanding subsections I, J and K of this section, a person 

7 engaged in a regulated agricultural activity on the effective date of this 

8 section AUGUST 21, 1998 shall comply with the general permit as provided in 

9 subsection H of this section by December 31, 2001. A person who commences a 

10 regulated agricultural activity after December 31, 2000, shall comply with 

11 the general permit within eighteen months of commencing the activity. 

12 H. By June 10, 2000, the committee shall adopt, by rule, an 

13 agricultural general permit specifying best management practices for 

14 regulated agricultural activities to reduce PM-10 particulate emissions. A 

15 person subject to an agricultural general permit pursuant to this section is 

16 not subject to a permit issued pursuant to section 49-426 except as provided 

17 in subsection K of this section. The committee shall adopt by rule a list of 

18 best management practices, at least one TWO of which shall be used to 

19 demonstrate compliance with applicable provisions of the general permit no 

20 later than December 31, 2001 2007. Best management practices may vary within 

21 the Maricopa PM-10 particulate nonattainment REGULATED area, according to 

22 regional or geographical conditions or cropping patterns. The director shall 

23 submit the rule to the United States environmental protection agency as a 

24 revision to the applicable implementation plan within sixty days of adoption

25 NO LATER THAN DECEMBER 31, 2007. 

26 I. If the director determines that a person engaged in a regulated 

27 activity is not in compliance with the general permit, and that person has 

28 not previously been subject to a compliance order issued pursuant to this 

29 section, the director may serve upon the person by certified mail an order 

30 requiring compliance with the general permit and notifying the person of the 

31 opportunity for a hearing pursuant to title 41, chapter 6, article 10. The 

32 order shall state with reasonable particularity the nature of the 

33 noncompliance and shall specify that the person has a period that the 

34 director determines is reasonable, but is not less than six months, to submit 

35 a plan to the supervisors of the natural resource conservation district in 

36 which the person engages in the regulated activity that specifies the best 

37 management practices from among those adopted in rule pursuant to subsection 

38 H of this section that the person will use to comply with the general permit. 

39 J. If the director determines that a person engaged in a regulated 

40 activity is not in compliance with the general permit, and that person has 

41 previously submitted a plan pursuant to subsection I of this section, the 

42 director may serve upon the person by certified mail an order requiring 

43 compliance with the general permit and notifying the person of the 

44 opportunity for a hearing pursuant to title 41, chapter 6, article 10. The 

45 order shall state with reasonable particularity the nature of the 
S.B. 1552 

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1 noncompliance and shall specify that the person has a period that the 

2 director determines is reasonable, but is not less than six months, to submit 

3 a plan to the department that specifies the best management practices from 

4 among those adopted in rule pursuant to subsection H of this section that the 

5 person will use to comply with the general permit. 

6 K. If a person fails to comply with the plan submitted pursuant to 

7 subsection J of this section, the director may revoke the agricultural 

8 general permit for that person and to require that the person obtain an 

9 individual permit pursuant to section 49-426. A revocation becomes effective 

10 after the director has provided the person with notice and an opportunity for 

11 a hearing pursuant to title 41, chapter 6, article 10. 

12 L. The committee may periodically reexamine, evaluate and modify best 

13 management practices. Any approved modifications shall be submitted to the 

14 United States environmental protection agency as a revision to the applicable 

15 implementation plan. 

16 M. The committee shall develop and commence an education program by 

17 June 10, 2000. The education program shall be conducted by the director or 

18 the director's designee or designees. 

19 N. In this section, unless the context otherwise requires: 

20 1. "Agricultural general permit" means best management practices that: 

21 (a) Reduce PM-10 particulate emissions from tillage practices and from 

22 harvesting on a commercial farm. 

23 (b) Reduce PM-10 particulate emissions from those areas of a 

24 commercial farm that are not normally in crop production. 

25 (c) Reduce PM-10 particulate emissions from those areas of a 

26 commercial farm that are normally in crop production including prior to plant 

27 emergence and when the land is not in crop production. 

28 2. "Applicable implementation plan" means that term as defined in 42 

29 United States Code SECTION 7601(q). 

30 3. "Best management practices" means techniques THAT ARE verified by 

31 scientific research, AND that on a case by case basis are practical, 

32 economically feasible and effective in reducing PM-10 particulate emissions 

33 from a regulated agricultural activity. 

34 4. "Maricopa PM-10 particulate nonattainment area" means the Phoenix 

35 planning area as set forth in 40 Code of Federal Regulations part SECTION 

36 81.303. 

37 5. "Regulated agricultural activities" means commercial farming 

38 practices that may produce PM-10 particulate emissions within the Maricopa 

39 PM-10 particulate nonattainment area REGULATED AREA. 

40 6. "REGULATED AREA" MEANS THE MARICOPA PM-1O NONATTAINMENT AREA AND 

41 ANY PORTION OF AREA A THAT IS LOCATED IN A COUNTY WITH A POPULATION OF TWO 

42 MILLION OR MORE PERSONS. 
S.B. 1552 

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1 Sec. 15. Title 49, chapter 3, article 2, Arizona Revised Statutes, is 

2 amended by adding sections 49-457.01, 49-457.02, 49-457.03 and 49-457.04, to 

3 read: 

4 49-457.01. Leaf blower use restrictions and training; leaf 

5 blower equipment sellers; informational material; 

6 outreach; applicability

7 A. THIS SECTION APPLIES IN A COUNTY WITH A POPULATION OF TWO MILLION 

8 OR MORE PERSONS OR ANY PORTION OF A COUNTY WITHIN AN AREA DESIGNATED BY THE 

9 ENVIRONMENTAL PROTECTION AGENCY AS A SERIOUS PM-10 NONATTAINMENT AREA OR A 

10 MAINTENANCE AREA THAT WAS DESIGNATED AS A SERIOUS PM-10 NONATTAINMENT AREA. 

11 B. AFTER MARCH 31, 2008, NO PERSON MAY USE A LEAF BLOWER TO BLOW 

12 LANDSCAPE DEBRIS INTO PUBLIC ROADWAYS. 

13 C. AFTER MARCH 31, 2008, NO PERSON MAY OPERATE A LEAF BLOWER EXCEPT ON 

14 SURFACES THAT HAVE BEEN STABILIZED WITH ASPHALTIC CONCRETE, CEMENT CONCRETE, 

15 HARDSCAPE, PENETRATION TREATMENT OF BITUMINOUS MATERIAL AND SEAL COAT OF 

16 BITUMINOUS BINDER AND A MINERAL AGGREGATE, DECOMPOSED GRANITE COVER, CRUSHED 

17 GRANITE COVER, AGGREGATE COVER, GRAVEL COVER, OR GRASS OR OTHER CONTINUOUS 

18 VEGETATIVE COVER, OR ANY COMBINATION OF THOSE STABILIZERS. 

19 D. AT LEAST ONCE EVERY THREE YEARS, ANY PERSON OPERATING A LEAF BLOWER 

20 FOR REMUNERATION SHALL SUCCESSFULLY COMPLETE TRAINING APPROVED BY THE 

21 DEPARTMENT ON HOW TO OPERATE A LEAF BLOWER IN A MANNER DESIGNED TO MINIMIZE 

22 THE GENERATION OF FUGITIVE DUST EMISSIONS. ANY PERSON WHO IS REQUIRED TO BE 

23 TRAINED UNDER THIS SUBSECTION SHALL COMPLETE INITIAL TRAINING NO LATER THAN 

24 DECEMBER 31, 2008. 

25 E. ANY PERSON WHO RENTS OR SELLS IN THE NORMAL COURSE OF BUSINESS 

26 EQUIPMENT THAT IS USED FOR BLOWING LANDSCAPE DEBRIS SHALL PROVIDE TO THE 

27 BUYER OR RENTER OF THE EQUIPMENT PRINTED MATERIALS THAT ARE APPROVED BY THE 

28 DEPARTMENT PURSUANT TO THIS SECTION. 

29 F. THE DEPARTMENT SHALL PRODUCE PRINTED MATERIALS AND DISTRIBUTE THOSE 

30 MATERIALS TO PERSONS WHO SELL OR RENT EQUIPMENT USED FOR BLOWING LANDSCAPE 

31 DEBRIS. THE PRINTED MATERIALS SHALL BE DESIGNED TO EDUCATE AND INFORM THE 

32 USER OF THE EQUIPMENT ON THE SAFE AND EFFICIENT USE OF THE EQUIPMENT, 

33 INCLUDING METHODS FOR REDUCING THE GENERATION OF DUST, AND SHALL INCLUDE 

34 INFORMATION REGARDING DUST CONTROL ORDINANCES AND RESTRICTIONS THAT MAY BE 

35 APPLICABLE. 

36 G. THIS SECTION DOES NOT APPLY TO ANY SITE THAT HAS A PERMIT ISSUED BY 

37 A CONTROL OFFICER AS DEFINED IN SECTION 49-471 FOR THE CONTROL OF FUGITIVE 

38 DUST FROM DUST GENERATING OPERATIONS.

39 49-457.02. Dust-free developments program; certification; seal

40 A. THE DEPARTMENT SHALL ESTABLISH THE DUST-FREE DEVELOPMENTS PROGRAM 

41 TO ENCOURAGE AND RECOGNIZE PERSONS AND ENTITIES THAT DEMONSTRATE EXCEPTIONAL 

42 COMMITMENT TO THE REDUCTION OF AIRBORNE DUST IN A COUNTY WITH A POPULATION OF 

43 MORE THAN TWO MILLION PERSONS AND IN THE PM-10 NONATTAINMENT AREA THAT 

44 CONTAINS THE CITY OF APACHE JUNCTION. THE PROGRAM SHALL INCLUDE A VOLUNTARY 

45 CERTIFICATION PROCESS BASED ON CRITERIA DEVELOPED BY THE DEPARTMENT. 
S.B. 1552 

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1 B. ANY PERSON OR ENTITY MAY APPLY FOR CERTIFICATION UNDER THE PROGRAM, 

2 AND IF APPROVED, MAY LAWFULLY USE A CERTIFICATION, SEAL, LOGO OR OTHER 

3 SIMILAR INDICATOR ESTABLISHED BY THE DEPARTMENT. A PERSON OR ENTITY THAT IS 

4 CERTIFIED UNDER THE PROGRAM MAY USE THE CERTIFICATION FOR PROMOTIONAL, CIVIC, 

5 PUBLIC RELATIONS OR PUBLIC INVOLVEMENT PURPOSES. 

6 C. NOTWITHSTANDING SECTION 41-3102, THIS PROGRAM DOES NOT INCLUDE A 

7 SPECIFIC EXPIRATION DATE. 

8 49-457.03. Off-road vehicles; pollution advisory days; 

9 applicability; penalties

10 A. IN AREA A, AS DEFINED IN SECTION 49-541, A PERSON SHALL NOT OPERATE 

11 AN OFF-HIGHWAY VEHICLE, AN ALL-TERRAIN VEHICLE OR AN OFF-ROAD RECREATIONAL 

12 MOTOR VEHICLE ON AN UNPAVED SURFACE THAT IS NOT A PUBLIC OR PRIVATE ROAD, 

13 STREET OR LAWFUL EASEMENT DURING ANY HIGH POLLUTION ADVISORY DAY FORECAST FOR 

14 PARTICULATE MATTER BY THE DEPARTMENT. 

15 B. THIS SECTION DOES NOT APPLY TO: 

16 1. AN EVENT THAT IS INTENDED FOR OFF-HIGHWAY VEHICLES, ALL-TERRAIN 

17 VEHICLES OR OFF-ROAD RECREATIONAL MOTOR VEHICLES AND THAT IS ENDORSED, 

18 AUTHORIZED, PERMITTED OR SPONSORED BY A PUBLIC AGENCY, THAT OCCURS ON A 

19 DESIGNATED ROUTE OR AREA AND THAT INCLUDES DUST ABATEMENT MEASURES AT ALL 

20 STAGING AREAS, PARKING AREAS AND ENTRANCES. 

21 2. AN EVENT THAT OCCURS AT A FACILITY FOR WHICH AN ADMISSION OR USER 

22 FEE IS CHARGED AND THAT INCLUDES DUST ABATEMENT MEASURES. 

23 3. A CLOSED COURSE THAT IS MAINTAINED WITH DUST ABATEMENT MEASURES. 

24 4. AN OFF-HIGHWAY VEHICLE, ALL-TERRAIN VEHICLE OR OFF-ROAD 

25 RECREATIONAL MOTOR VEHICLE USED IN THE NORMAL COURSE OF BUSINESS OR THE 

26 NORMAL COURSE OF GOVERNMENT OPERATIONS. 

27 5. GOLF CARTS THAT ARE USED AS PART OF A PRIVATE OR PUBLIC GOLF COURSE 

28 OPERATION. 

29 C. A PERSON WHO VIOLATES THIS SECTION IS SUBJECT TO: 

30 1. A WARNING FOR THE FIRST VIOLATION. 

31 2. THE IMPOSITION OF A CIVIL PENALTY OF FIFTY DOLLARS FOR THE SECOND 

32 VIOLATION. 

33 3. THE IMPOSITION OF A CIVIL PENALTY OF ONE HUNDRED DOLLARS FOR THE 

34 THIRD VIOLATION. 

35 4. THE IMPOSITION OF A CIVIL PENALTY OF TWO HUNDRED FIFTY DOLLARS FOR 

36 THE FOURTH OR ANY SUBSEQUENT VIOLATION. 

37 D. FOR VIOLATIONS OF THIS SECTION, THE CONTROL OFFICER OR OTHER 

38 ENFORCEMENT OFFICER SHALL USE A UNIFORM CIVIL TICKET AND COMPLAINT 

39 SUBSTANTIALLY SIMILAR TO A UNIFORM TRAFFIC TICKET AND COMPLAINT PRESCRIBED BY 

40 THE RULES OF PROCEDURE IN CIVIL TRAFFIC CASES ADOPTED BY THE SUPREME COURT. 

41 THE CONTROL OFFICER OR OTHER ENFORCEMENT OFFICER MAY ISSUE CITATIONS TO 

42 PERSONS IN VIOLATION OF THIS SECTION. 
S.B. 1552 

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1 49-457.04. Off-highway vehicle and all-terrain vehicle dealers; 

2 informational material; outreach; applicability

3 A. ANY PERSON WHO RENTS OR SELLS IN THE NORMAL COURSE OF BUSINESS 

4 OFF-HIGHWAY VEHICLES, ALL-TERRAIN VEHICLES OR OFF-ROAD RECREATIONAL MOTOR 

5 VEHICLES, OTHER THAN GOLF CARTS SOLD TO PUBLIC OR PRIVATE GOLF COURSES, SHALL 

6 PROVIDE TO THE BUYER OR RENTER OF THE VEHICLE PRINTED MATERIALS THAT ARE 

7 APPROVED BY THE DEPARTMENT PURSUANT TO THIS SECTION. 

8 B. THE DEPARTMENT SHALL PRODUCE PRINTED MATERIALS AND DISTRIBUTE THOSE 

9 MATERIALS TO PERSONS WHO SELL OR RENT OFF-HIGHWAY VEHICLES, ALL-TERRAIN 

10 VEHICLES OR OFF-ROAD RECREATIONAL MOTOR VEHICLES. THE PRINTED MATERIALS 

11 SHALL BE DESIGNED TO EDUCATE AND INFORM THE USER OF THE VEHICLE ON METHODS 

12 FOR REDUCING THE GENERATION OF DUST AND SHALL INCLUDE INFORMATION REGARDING 

13 DUST CONTROL ORDINANCES AND RESTRICTIONS THAT MAY BE APPLICABLE. THE 

14 DEPARTMENT SHALL MAKE AVAILABLE ON THE DEPARTMENT’S WEBSITE THE PRINTED 

15 MATERIALS IN A FORMAT THAT IS ACCESSIBLE TO THE PUBLIC. 

16 C. THIS SECTION APPLIES IN A COUNTY WITH A POPULATION OF TWO MILLION 

17 OR MORE PERSONS OR ANY PORTION OF A COUNTY IN AN AREA DESIGNATED BY THE 

18 ENVIRONMENTAL PROTECTION AGENCY AS A SERIOUS PM-10 NONATTAINMENT AREA OR A 

19 MAINTENANCE AREA THAT WAS DESIGNATED AS A SERIOUS PM-10 NONATTAINMENT AREA. 

20 Sec. 16. Section 49-474.01, Arizona Revised Statutes, is amended to 

21 read: 

22 49-474.01. Additional board duties in vehicle emissions control 

23 areas; definitions

24 A. The board of supervisors of a county which contains any portion of 

25 area A or area B as defined in section 49-541 shall: 

26 1. In area A, in consultation with the designated metropolitan 

27 planning organization, synchronize traffic control signals on all existing 

28 and new roadways, within the unincorporated area and at jurisdictional 

29 boundaries, which have a traffic flow exceeding fifteen thousand motor 

30 vehicles per day. 

31 2. In area A, beginning on January 1, 2000, develop and implement 

32 plans to stabilize targeted unpaved roads, alleys and unpaved shoulders on 

33 targeted arterials. The plans shall address the performance goals, the 

34 criteria for targeting roads, alleys and arterials, a schedule for 

35 implementation, funding options and reporting requirements. 

36 3. In area A, acquire or utilize vacuum systems or other dust removal 

37 technology to reduce the particulates attributable to conventional crack 

38 sealing operations as existing equipment is retired. 

39 4. IN AREA A, BEGINNING JANUARY 1, 2008, DEVELOP AND IMPLEMENT PLANS 

40 TO STABILIZE TARGETED UNPAVED ROADS, ALLEYS AND UNPAVED SHOULDERS ON TARGETED 

41 ARTERIALS. THE PLANS SHALL ADDRESS THE PERFORMANCE GOALS, THE CRITERIA FOR 

42 TARGETING THE ROADS, ALLEYS AND SHOULDERS, A SCHEDULE FOR IMPLEMENTATION, 

43 FUNDING OPTIONS AND REPORTING REQUIREMENTS. PRIORITY SHALL BE GIVEN TO THE 

44 FOLLOWING: 
S.B. 1552 

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1 (a) UNPAVED ROADS WITH MORE THAN ONE HUNDRED AVERAGE DAILY TRIPS. 

2 (b) UNPAVED SHOULDERS ON ARTERIAL ROADS AND OTHER ROAD SEGMENTS WHERE 

3 VEHICLE USE ON UNPAVED SHOULDERS IS EVIDENT OR ANTICIPATED DUE TO PROJECTED 

4 TRAFFIC VOLUME. 

5 5. IN A COUNTY WITH A POPULATION OF TWO MILLION OR MORE PERSONS OR ANY 

6 PORTION OF A COUNTY IN AN AREA DESIGNATED BY THE ENVIRONMENTAL PROTECTION 

7 AGENCY AS A SERIOUS PM-10 NONATTAINMENT AREA OR A MAINTENANCE AREA THAT WAS 

8 DESIGNATED AS A SERIOUS PM-10 NONATTAINMENT AREA, NO LATER THAN MARCH 31, 

9 2008, ADOPT OR AMEND CODES OR ORDINANCES AND, NO LATER THAN OCTOBER 1, 2008, 

10 COMMENCE ENFORCEMENT OF THOSE CODES OR ORDINANCES AS NECESSARY TO REQUIRE 

11 THAT PARKING, MANEUVERING, INGRESS AND EGRESS AREAS AT DEVELOPMENTS OTHER 

12 THAN RESIDENTIAL BUILDINGS WITH FOUR OR FEWER UNITS ARE MAINTAINED WITH ONE 

13 OR MORE OF THE FOLLOWING DUSTPROOF PAVING METHODS: 

14 (a) ASPHALTIC CONCRETE. 

15 (b) CEMENT CONCRETE. 

16 (c) PENETRATION TREATMENT OF BITUMINOUS MATERIAL AND SEAL COAT OF 

17 BITUMINOUS BINDER AND A MINERAL AGGREGATE. 

18 (d) A STABILIZATION METHOD APPROVED BY THE COUNTY. 

19 6. IN A COUNTY WITH A POPULATION OF TWO MILLION OR MORE PERSONS OR ANY 

20 PORTION OF A COUNTY IN AN AREA DESIGNATED BY THE ENVIRONMENTAL PROTECTION 

21 AGENCY AS A SERIOUS PM-10 NONATTAINMENT AREA OR A MAINTENANCE AREA THAT WAS 

22 DESIGNATED AS A SERIOUS PM-10 NONATTAINMENT AREA, NO LATER THAN MARCH 31, 

23 2008, ADOPT OR AMEND CODES OR ORDINANCES AND, NO LATER THAN OCTOBER 1, 2009, 

24 COMMENCE ENFORCEMENT OF THOSE CODES OR ORDINANCES AS NECESSARY TO REQUIRE 

25 THAT PARKING, MANEUVERING, INGRESS AND EGRESS AREAS THREE THOUSAND SQUARE 

26 FEET OR MORE IN SIZE AT RESIDENTIAL BUILDINGS WITH FOUR OR FEWER UNITS ARE 

27 MAINTAINED WITH A PAVING OR STABILIZATION METHOD AUTHORIZED BY THE COUNTY BY 

28 CODE, ORDINANCE OR PERMIT. 

29 7. IN AREA A, NO LATER THAN MARCH 31, 2008, ADOPT OR AMEND CODES OR 

30 ORDINANCES AS NECESSARY TO RESTRICT VEHICLE PARKING AND USE ON UNPAVED OR 

31 UNSTABILIZED VACANT LOTS. 

32 8. IN AREA A, REQUIRE THAT NEW OR RENEWED CONTRACTS FOR STREET 

33 SWEEPING ON CITY STREETS MUST BE CONDUCTED WITH STREET SWEEPERS THAT MEET THE 

34 SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT RULE 1186 STREET SWEEPER 

35 CERTIFICATION SPECIFICATIONS FOR PICK UP EFFICIENCY AND PM-10 EMISSIONS IN 

36 EFFECT ON JANUARY 1, 2007. 

37 4. 9. In area B, synchronize traffic control signals on roadways with 

38 a traffic flow exceeding fifteen thousand motor vehicles per day. 

39 5. 10. Implement adjusted work hours for at least eighty-five per 

40 cent of county employees in area A each year beginning October 1 and ending 

41 April 1 in order to reduce the level of carbon monoxide concentrations caused 

42 by vehicular travel. 

43 11. IN A COUNTY WITH A POPULATION OF TWO MILLION OR MORE PERSONS OR 

44 ANY PORTION OF A COUNTY WITHIN AN AREA DESIGNATED BY THE ENVIRONMENTAL 

45 PROTECTION AGENCY AS A SERIOUS PM-10 NONATTAINMENT AREA OR A MAINTENANCE AREA 
S.B. 1552 

 - 26 - 

1 THAT WAS DESIGNATED AS A SERIOUS PM-10 NONATTAINMENT AREA, NO LATER THAN 

2 MARCH 31, 2008, ADOPT RULE PROVISIONS, AND, NO LATER THAN OCTOBER 1, 2008, 

3 COMMENCE ENFORCEMENT OF THOSE RULE PROVISIONS REGARDING THE STABILIZATION OF 

4 DISTURBED SURFACES OF VACANT LOTS THAT INCLUDE THE FOLLOWING: 

5 (a) REASONABLE WRITTEN NOTICE TO THE OWNER OR THE OWNER'S AUTHORIZED 

6 AGENT OR THE OWNER'S STATUTORY AGENT THAT THE UNPAVED DISTURBED SURFACE OF A 

7 VACANT LOT IS REQUIRED TO BE STABILIZED. THE NOTICE SHALL BE GIVEN NOT LESS 

8 THAN THIRTY DAYS BEFORE THE DAY SET FOR COMPLIANCE AND SHALL INCLUDE A LEGAL 

9 DESCRIPTION OF THE PROPERTY AND THE ESTIMATED COST TO THE COUNTY FOR THE 

10 STABILIZATION IF THE OWNER DOES NOT COMPLY. THE NOTICE SHALL BE EITHER 

11 PERSONALLY SERVED OR MAILED BY CERTIFIED MAIL TO THE OWNER'S STATUTORY AGENT, 

12 TO THE OWNER AT THE OWNER'S LAST KNOWN ADDRESS OR TO THE ADDRESS TO WHICH THE 

13 TAX BILL FOR THE PROPERTY WAS LAST MAILED. 

14 (b) AUTHORITY FOR THE COUNTY TO ENTER THE LOT TO STABILIZE THE 

15 DISTURBED SURFACE AT THE EXPENSE OF THE OWNER IF THE VACANT LOT HAS NOT BEEN 

16 STABILIZED BY THE DAY SET FOR COMPLIANCE. 

17 (c) METHODS FOR STABILIZATION OF THE DISTURBED SURFACE OF THE VACANT 

18 LOT, THE ACTUAL COST OF STABILIZATION AND THE FINE THAT MAY BE IMPOSED FOR A 

19 VIOLATION OF THIS SECTION. 

20 B. FOR THE PURPOSES OF SUBSECTION A, PARAGRAPH 11 OF THIS SECTION: 

21 1. "DISTURBED SURFACE" MEANS A PORTION OF THE EARTH'S SURFACE OR 

22 MATERIAL PLACED ON THE EARTH'S SURFACE THAT HAS BEEN PHYSICALLY MOVED, 

23 UNCOVERED, DESTABILIZED OR OTHERWISE MODIFIED FROM ITS UNDISTURBED NATIVE 

24 CONDITION IF THE POTENTIAL FOR THE EMISSION OF FUGITIVE DUST IS INCREASED BY 

25 THE MOVEMENT, DESTABILIZATION OR MODIFICATION. 

26 2. VACANT LOTS DO NOT INCLUDE ANY SITE OF DISTURBED SURFACE AREA THAT 

27 IS SUBJECT TO A PERMIT ISSUED BY A CONTROL OFFICER THAT REQUIRES CONTROL OF 

28 PM-10 EMISSIONS FROM DUST GENERATING OPERATIONS. 

29 B. C. The board of supervisors of a county that contains any portion 

30 of area A as defined in section 49-541 shall make and enforce ordinances 

31 consistent with section 49-588 to reduce or encourage the reduction of the 

32 commuter use of motor vehicles by employees of the county and employees whose 

33 place of employment is within area A. 

34 C. D. The board of supervisors in a county that contains any portion 

35 of area A shall develop and implement a vehicle fleet plan for the purpose of 

36 encouraging and progressively increasing the use of alternative fuels and 

37 clean burning fuels in county owned vehicles operating in area A. 

38 D. E. The plan shall include a timetable for increasing the use of 

39 alternative fuels and clean burning fuels in fleet vehicles either through 

40 purchase or conversion. The timetable shall reflect the following schedule 

41 and percentage of vehicles that operate on alternative fuels or clean burning 

42 fuels: 

43 1. At least eighteen per cent of the total fleet by December 31, 1995. 

44 2. At least twenty-five per cent of the total fleet by December 31, 

45 1996. 
S.B. 1552 

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1 3. At least fifty per cent of the total fleet by December 31, 1998. 

2 4. At least seventy-five per cent of the total fleet by December 31, 

3 2000 and each year thereafter. 

4 E. F. The requirements of subsections C D and D E of this section 

5 may be waived on receipt of certification supported by evidence acceptable to 

6 the department that the county is unable to acquire or be provided equipment 

7 or refueling facilities necessary to operate vehicles using alternative fuels 

8 or clean burning fuels at a projected cost that is reasonably expected to 

9 result in net costs of no greater than ten per cent more than the net costs 

10 associated with the continued use of conventional gasoline or diesel fuels 

11 measured over the expected useful life of the equipment or facilities 

12 supplied. Applications for waivers shall be filed with the department 

13 pursuant to section 49-412. An entity that receives a waiver pursuant to 

14 this section shall retrofit fleet heavy-duty diesel vehicles with a gross 

15 vehicle weight of eight thousand five hundred pounds or more, that were 

16 manufactured in or before model year 1993 and that are the subject of the 

17 waiver with a technology that is effective at reducing particulate emissions 

18 at least twenty-five per cent or more and that has been approved by the 

19 United States environmental protection agency pursuant to the urban bus 

20 engine retrofit/rebuild program. The entity shall comply with the 

21 implementation schedule pursuant to section 49-555. 

22 F. G. If the requirements of subsections C D and D E of this 

23 section are met by the use of clean burning fuel, vehicle equivalents under 

24 those requirements shall be calculated as follows: 

25 1. One vehicle equivalent for every four hundred fifty gallons of neat 

26 biodiesel or two thousand two hundred fifty gallons of a diesel fuel 

27 substitute prescribed in section 1-215, paragraph 7, subdivision (b). 

28 2. One vehicle equivalent for every five hundred thirty gallons of the 

29 fuel prescribed in section 1-215, paragraph 7, subdivision (d). 

30 H. SUBSECTION A, PARAGRAPHS 5, 6 AND 7 OF THIS SECTION DO NOT APPLY TO 

31 ANY SITE THAT HAS A PERMIT ISSUED BY A CONTROL OFFICER AS DEFINED IN SECTION 

32 49-471 FOR THE CONTROL OF FUGITIVE DUST FROM DUST GENERATING OPERATIONS. 

33 G. I. For the purposes of this section, "alternative fuel" and "clean 

34 burning fuel" have the same meanings prescribed in section 1-215. 

35 Sec. 17. Title 49, chapter 3, article 3, Arizona Revised Statutes, is 

36 amended by adding sections 49-474.05, 49-474.06 and 49-474.07, to read: 

37 49-474.05. Dust control; training; site coordinators

38 A. THIS SECTION APPLIES IN A COUNTY WITH A POPULATION OF TWO MILLION 

39 OR MORE PERSONS OR ANY PORTION OF A COUNTY IN AN AREA DESIGNATED BY THE 

40 ENVIRONMENTAL PROTECTION AGENCY AS A SERIOUS PM-10 NONATTAINMENT AREA OR A 

41 MAINTENANCE AREA THAT WAS DESIGNATED AS A SERIOUS PM-10 NONATTAINMENT AREA. 

42 B. NO LATER THAN JANUARY 1, 2008, THE CONTROL OFFICER SHALL DEVELOP 

43 AND IMPLEMENT BASIC AND COMPREHENSIVE TRAINING PROGRAMS FOR THE SUPPRESSION 

44 OF PM-10 EMISSIONS FROM SOURCES OF PM-10 THAT ARE SUBJECT TO A PERMIT ISSUED 

45 BY A CONTROL OFFICER THAT REQUIRES CONTROL OF PM-10 EMISSIONS FROM DUST 
S.B. 1552 

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1 GENERATING OPERATIONS. THE CONTROL OFFICER MAY APPROVE TRAINING DEVELOPED 

2 AND PROVIDED BY A THIRD PARTY AND THE BOARD OF SUPERVISORS MAY ADOPT RULES 

3 PRESCRIBING STANDARDS FOR DUST CONTROL TRAINING. 

4 C. AT LEAST ONCE EVERY THREE YEARS, THE FOLLOWING PERSONS ARE REQUIRED 

5 TO SUCCESSFULLY COMPLETE BASIC DUST CONTROL TRAINING: 

6 1. THE SITE SUPERINTENDENT OR OTHER DESIGNATED ON-SITE REPRESENTATIVE 

7 OF THE PERMIT HOLDER IF PRESENT AT A SITE THAT HAS MORE THAN ONE ACRE OF 

8 DISTURBED SURFACE AREA THAT IS SUBJECT TO A PERMIT ISSUED BY A CONTROL 

9 OFFICER REQUIRING CONTROL OF PM-10 EMISSIONS FROM DUST GENERATING OPERATIONS. 

10 2. WATER TRUCK AND WATER PULL DRIVERS. 

11 D. PERSONS WHO ARE REQUIRED TO BE TRAINED UNDER THIS SECTION SHALL 

12 COMPLETE THE TRAINING NO LATER THAN DECEMBER 31, 2008. ALL PERSONS WHO HAVE 

13 SUCCESSFULLY COMPLETED TRAINING DURING THE 2006 AND 2007 CALENDAR YEARS ARE 

14 DEEMED TO HAVE SATISFIED THIS REQUIREMENT IF THE TRAINING PROGRAM COMPLETED 

15 WAS CONDUCTED OR APPROVED BY A COUNTY AIR POLLUTION CONTROL OFFICER. 

16 COMPLETION OF THE TRAINING REQUIRED UNDER SUBSECTION G SATISFIES THE 

17 REQUIREMENTS OF THIS SUBSECTION. 

18 E. NO LATER THAN JUNE 30, 2008, THE PERMITTEE FOR ANY SITE OF FIVE 

19 ACRES OR MORE OF DISTURBED SURFACE AREA SUBJECT TO A PERMIT ISSUED BY A 

20 CONTROL OFFICER REQUIRING CONTROL OF PM-10 EMISSIONS FROM DUST GENERATING 

21 OPERATIONS SHALL HAVE ON SITE AT LEAST ONE DUST CONTROL COORDINATOR TRAINED 

22 IN ACCORDANCE WITH THIS SECTION AT ALL TIMES DURING PRIMARY DUST GENERATING 

23 OPERATIONS RELATED TO THE PURPOSES FOR WHICH THE DUST CONTROL PERMIT WAS 

24 OBTAINED. 

25 F. A DUST CONTROL COORDINATOR HAS FULL AUTHORITY TO ENSURE THAT DUST 

26 CONTROL MEASURES ARE IMPLEMENTED ON SITE, INCLUDING CONDUCTING INSPECTIONS, 

27 DEPLOYMENT OF DUST SUPPRESSION RESOURCES AND MODIFICATION OR SHUTDOWN OF 

28 ACTIVITIES AS NEEDED TO CONTROL DUST. THE DUST CONTROL COORDINATOR SHALL BE 

29 RESPONSIBLE FOR MANAGING DUST PREVENTION AND DUST CONTROL ON THE SITE. 

30 G. AT LEAST ONCE EVERY THREE YEARS, THE DUST CONTROL COORDINATOR SHALL 

31 SUCCESSFULLY COMPLETE A COMPREHENSIVE DUST CONTROL CLASS CONDUCTED OR 

32 APPROVED UNDER SUBSECTION A BY THE COUNTY AIR POLLUTION CONTROL OFFICER WITH 

33 JURISDICTION OVER THE SITE. THE DUST CONTROL COORDINATOR SHALL HAVE A VALID 

34 DUST TRAINING CERTIFICATION IDENTIFICATION CARD READILY ACCESSIBLE ON SITE 

35 WHILE ACTING AS A DUST CONTROL COORDINATOR. ALL PERSONS HAVING SUCCESSFULLY 

36 COMPLETED TRAINING DURING THE 2006 AND 2007 CALENDAR YEARS ARE DEEMED TO HAVE 

37 SATISFIED THIS REQUIREMENT IF THE TRAINING PROGRAM COMPLETED WAS CONDUCTED OR 

38 APPROVED BY A COUNTY AIR POLLUTION CONTROL OFFICER. 

39 H. SUBSECTIONS C AND D DO NOT APPLY WHEN ON-SITE DUST GENERATING 

40 OPERATIONS ARE CONDUCTED BY A PERMITTEE WHO IS REQUIRED TO OBTAIN A SINGLE 

41 PERMIT FOR MULTIPLE NONCONTIGUOUS SITES THAT IS ISSUED BY A CONTROL OFFICER 

42 AND THAT REQUIRES CONTROL OF PM-10 EMISSIONS. 

43 I. THE REQUIREMENTS OF SUBSECTIONS E AND F LAPSE IF ALL OF THE 

44 FOLLOWING APPLY: 

45 1. THE AREA OF THE DISTURBED SURFACE AREA IS LESS THAN FIVE ACRES. 
S.B. 1552 

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1 2. THE PREVIOUSLY DISTURBED AREAS ARE STABILIZED IN ACCORDANCE WITH 

2 THE REQUIREMENTS OF APPLICABLE RULES. 

3 3. THE PERMITTEE PROVIDES NOTICE OF THE ACREAGE STABILIZED TO THE 

4 CONTROL OFFICER. 

5 J. PERMITTEES WHO ARE REQUIRED TO OBTAIN A SINGLE PERMIT FOR MULTIPLE 

6 NONCONTIGUOUS SITES THAT IS ISSUED BY A CONTROL OFFICER AND THAT REQUIRES 

7 CONTROL OF PM-10 EMISSIONS FROM DUST GENERATING OPERATIONS SHALL HAVE ON 

8 SITES WITH GREATER THAN ONE ACRE OF DISTURBED SURFACE AREA AT LEAST ONE 

9 INDIVIDUAL WHO IS DESIGNATED BY THE PERMITTEE AS A DUST CONTROL COORDINATOR 

10 TRAINED IN ACCORDANCE WITH SUBSECTION C. THE DUST CONTROL COORDINATOR SHALL 

11 BE PRESENT ON SITE AT ALL TIMES DURING PRIMARY DUST GENERATING ACTIVITIES 

12 THAT ARE RELATED TO THE PURPOSES FOR WHICH THE PERMIT WAS OBTAINED. THIS 

13 SUBSECTION DOES NOT APPLY TO PERMITTEES SUBJECT TO SUBSECTIONS B AND C. 

14 49-474.06. Dust control; subcontractor registration; fee

15 A. IN AN AREA DESIGNATED BY THE ENVIRONMENTAL PROTECTION AGENCY AS A 

16 SERIOUS PM-10 NONATTAINMENT AREA OR A MAINTENANCE AREA THAT WAS DESIGNATED AS 

17 A SERIOUS PM-10 NONATTAINMENT AREA, A SUBCONTRACTOR WHO IS ENGAGED IN DUST 

18 GENERATING OPERATIONS AT A SITE THAT IS SUBJECT TO A PERMIT THAT IS ISSUED BY 

19 A CONTROL OFFICER AND THAT REQUIRES CONTROL OF PM-10 EMISSIONS FROM DUST 

20 GENERATING OPERATIONS SHALL REGISTER WITH THE CONTROL OFFICER BY SUBMITTING 

21 INFORMATION IN THE MANNER PRESCRIBED BY THE CONTROL OFFICER. THE CONTROL 

22 OFFICER SHALL ISSUE A REGISTRATION NUMBER AFTER PAYMENT OF THE FEE AUTHORIZED 

23 UNDER SUBSECTION C. 

24 B. THE SUBCONTRACTOR SHALL HAVE ITS REGISTRATION NUMBER READILY 

25 ACCESSIBLE ON SITE WHILE CONDUCTING ANY DUST GENERATING OPERATIONS. 

26 C. THE CONTROL OFFICER MAY ESTABLISH AND ASSESS A FEE FOR THE 

27 REGISTRATION REQUIRED UNDER SUBSECTION A BASED ON THE TOTAL COST OF 

28 PROCESSING THE REGISTRATION AND ISSUANCE OF A REGISTRATION NUMBER. 

29 49-474.07. Voluntary diesel equipment retrofit program; 

30 criteria; inventory; permits

31 A. A COUNTY WITH A POPULATION OF MORE THAN FOUR HUNDRED THOUSAND 

32 PERSONS SHALL OPERATE AND ADMINISTER A VOLUNTARY DIESEL EMISSIONS RETROFIT 

33 PROGRAM IN THE COUNTY FOR THE PURPOSE OF REDUCING PARTICULATE EMISSIONS FROM 

34 DIESEL EQUIPMENT. THE PROGRAM SHALL PROVIDE FOR REAL AND QUANTIFIABLE 

35 EMISSIONS REDUCTIONS BASED ON ACTUAL EMISSIONS REDUCTIONS BY AN AMOUNT 

36 GREATER THAN THAT ALREADY REQUIRED BY APPLICABLE LAW, RULE, PERMIT OR ORDER 

37 AND COMPUTED BASED ON THE PERCENTAGE EMISSIONS REDUCTIONS FROM THE TESTING OF 

38 THE DIESEL RETROFIT EQUIPMENT PRESCRIBED IN SUBSECTION C AS APPLIED TO THE 

39 RATED EMISSIONS OF THE ENGINE AND USING THE STANDARD OPERATING HOURS OF THE 

40 EQUIPMENT. 

41 B. A PERSON MAY PARTICIPATE IN THE PROGRAM IF BOTH OF THE FOLLOWING 

42 APPLY: 

43 1. THE PERSON IS THE OWNER OF DIESEL POWERED EQUIPMENT THAT REQUIRES A 

44 PERMIT ISSUED PURSUANT TO THIS ARTICLE FOR LAWFUL OPERATION. 
S.B. 1552 

 - 30 - 

1 2. THE PERSON REPORTS TO THE CONTROL OFFICER ON THE TYPE OF EQUIPMENT 

2 THAT IS RETROFITTED, PROVIDES A METHOD FOR CALCULATING THE EMISSIONS 

3 REDUCTIONS ACHIEVED THAT IS APPROVED BY THE CONTROL OFFICER AND PROVIDES 

4 EVIDENCE THAT THE RETROFITTED EQUIPMENT IS ACTUALLY USED IN A MANNER THAT 

5 RESULTS IN LOWER PARTICULATE EMISSIONS WITH NO INCREASE IN EMISSIONS OF OTHER 

6 POLLUTANTS. 

7 C. THE VOLUNTARY DIESEL RETROFIT PROGRAM SHALL PROVIDE FOR THE 

8 FOLLOWING: 

9 1. EACH PERSON WHO PARTICIPATES SHALL ALLOCATE TO THE AIR QUALITY 

10 EMISSIONS REDUCTION INVENTORY FOR THAT COUNTY ONE-HALF OF THE TOTAL 

11 PARTICULATE EMISSIONS REDUCTION ACHIEVED THROUGH THAT PERSON'S RETROFIT OF 

12 DIESEL EQUIPMENT OPERATING AT THE PERMITTED SITE WHETHER OR NOT THAT 

13 EQUIPMENT IS REQUIRED TO HAVE A PERMIT. 

14 2. EACH PERSON WHO PARTICIPATES SHALL RETAIN ONE-HALF OF THE TOTAL 

15 PARTICULATE EMISSIONS REDUCTION ACHIEVED THROUGH THAT PERSON'S RETROFIT OF 

16 EQUIPMENT AT THE SITE FOR PURPOSES OF RECEIVING A MODIFICATION TO AN EXISTING 

17 PERMIT OR A PROVISION IN A NEW PERMIT THAT ALLOWS FOR EXTENDED HOURS OF 

18 OPERATION FOR THE PERMITTED EQUIPMENT, AS COMPARED TO THE EXISTING PERMIT, OR 

19 FOR NEW PERMITS, AS COMPARED TO PERMITS FOR SIMILAR EQUIPMENT. 

20 3. THE DIESEL EMISSIONS REDUCTION EQUIPMENT THAT IS RETROFITTED SHALL 

21 BE REGISTERED WITH THE DEPARTMENT OF ENVIRONMENTAL QUALITY WITH NOTICE TO THE 

22 APPLICABLE COUNTY, SHALL BE TESTED WITH AN ISO 8178 TEST BY A PROPERLY 

23 EQUIPPED LABORATORY AND SHALL DEMONSTRATE AT LEAST A THIRTY-FIVE PER CENT 

24 REDUCTION IN PARTICULATE POLLUTION WITH NO INCREASE IN THE GENERATION OR 

25 EMISSION OF OTHER REGULATED POLLUTANTS. THIS PARAGRAPH APPLIES WITHOUT 

26 REGARD TO WHETHER THE PARTICIPANT IS REQUIRED TO OBTAIN AN AIR QUALITY PERMIT 

27 FOR THE EQUIPMENT. 

28 4. THE CONTROL OFFICER SHALL PROVIDE A METHOD FOR DETERMINING THE 

29 PARTICIPANT'S ELIGIBILITY FOR THE PROGRAM AND FOR THE MODIFICATION OF 

30 EXISTING PERMITS OR FOR INCORPORATING THIS PROGRAM'S PROVISIONS INTO THE 

31 TERMS OF ANY APPLICABLE NEW PERMITS AS WELL AS ANY REPORTING REQUIREMENTS TO 

32 ENSURE CONTINUED USE OF THE EMISSIONS REDUCTION MEASURES. 

33 D. THIS SECTION DOES NOT AUTHORIZE A PERMIT CONDITION OR A 

34 MODIFICATION TO A PERMIT CONDITION THAT WOULD VIOLATE A REQUIREMENT OF THE 

35 CLEAN AIR ACT, THIS CHAPTER OR A RULE ADOPTED UNDER THIS CHAPTER, INCLUDING 

36 THE NATIONAL AMBIENT AIR QUALITY STANDARDS. THIS SECTION DOES NOT AUTHORIZE 

37 THE USE OF REDUCTIONS IN MOBILE SOURCE EMISSIONS FOR PURPOSES OF DETERMINING 

38 THE APPLICABILITY OF NEW SOURCE REVIEW REQUIREMENTS.

39 Sec. 18. Section 49-501, Arizona Revised Statutes, is amended to read: 

40 49-501. Unlawful open burning; exceptions; fine; definition

41 A. Notwithstanding the provisions of any other section of this 

42 article: ,

43 1. It is unlawful for any person to ignite, cause to be ignited, 

44 permit to be ignited, or suffer, allow, or maintain any open outdoor fire 

45 except as provided in this section. 
S.B. 1552 

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1 2. FROM MAY 1 THROUGH SEPTEMBER 30 EACH YEAR, IT IS UNLAWFUL FOR ANY 

2 PERSON TO IGNITE, CAUSE TO BE IGNITED, PERMIT TO BE IGNITED OR SUFFER, ALLOW 

3 OR MAINTAIN ANY OPEN OUTDOOR FIRE IN AREA A AS DEFINED IN SECTION 49-541. 

4 C. B. The following fires are excepted from the provisions of this 

5 section: 

6 1. Fires used only for cooking of food or for providing warmth for 

7 human beings or for recreational purposes or the branding of animals or the 

8 use of orchard heaters for the purpose of frost protection in farming or 

9 nursery operations. 

10 2. Any fire set or permitted by any public officer in the performance 

11 of official duty, if such fire is set or permission given for the purpose of 

12 weed abatement, the prevention of a fire hazard, or instruction in the 

13 methods of fighting fires. 

14 3. Fires set by or permitted by the director of the department of 

15 agriculture or county agricultural agents of the county for the purpose of 

16 disease and pest prevention. 

17 4. Fires set by or permitted by the federal government or any of its 

18 departments, agencies or agents or the state or any of its agencies, 

19 departments or political subdivisions for the purpose of watershed 

20 rehabilitation or control through vegetative manipulation. 

21 5. Fires permitted by any rule or regulation issued pursuant to this 

22 article, by any conditional permit issued by a hearing board established 

23 under this article or by any rule or conditional permit issued pursuant to 

24 article 2 of this chapter when the department of environmental quality 

25 pursuant to section 49-402 has assumed jurisdiction of the county in which 

26 the fire is located. 

27 6. Fires set for the disposal of dangerous materials where there is no 

28 safe alternate method of disposal. 

29 D. C. Permission for the setting of any fire given by a public 

30 officer in the performance of official duty under subsection C B, paragraph 

31 2, 3 or 4 OF THIS SECTION shall be given in writing and a copy of the written 

32 permission shall be transmitted immediately to the director OF ENVIRONMENTAL 

33 QUALITY and the control officer of the county, district or region in which 

34 such fire is allowed. The setting of any such fire shall be conducted in a 

35 manner and at such time as approved by the control officer or the director OF 

36 ENVIRONMENTAL QUALITY, unless doing so would defeat the purpose of the 

37 exemption. 

38 E. D. Notwithstanding section 49-107, the director may delegate 

39 authority for the issuance of open burning permits to a county, city, town or 

40 fire district. A county, city, town or fire district that has been delegated 

41 authority for the issuance of open burning permits may assign the issuance of 

42 these permits to a private fire protection service provider that performs 

43 fire protection services within that county, city, town or fire district. 

44 Any private fire protection service provider that is authorized to issue open 

45 burning permits pursuant to this subsection shall maintain a copy of all 
S.B. 1552 

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1 currently effective permits issued including a means of contacting the person 

2 authorized by the permit to set the fire in the event that an order to 

3 extinguish the open burning is issued. Permits issued pursuant to this 

4 subsection shall contain both of the following: 

5 1. Conditions that limit the manner and time of setting the fire and 

6 that are consistent with this section and rules adopted pursuant to this 

7 section. 

8 2. A provision that all burning be extinguished at the discretion of 

9 the director or the director's authorized representative during periods of 

10 inadequate atmospheric smoke dispersion, periods of excessive visibility 

11 impairment that could adversely affect public safety or periods when smoke is 

12 blown into populated areas so as to create a public nuisance. 

13 F. E. The director may issue a general permit to allow persons 

14 engaged in farming or ranching on forty acres or more in an unincorporated 

15 area to burn household waste, as defined in section 49-701, that is generated 

16 on site, if no household waste collection and disposal service is available. 

17 The general permit shall include the following: 

18 1. Conditions governing the method, manner and times for burning. 

19 2. Limitation on materials which may be burned, including a 

20 prohibition on burning of materials which generate noxious fumes. 

21 3. A requirement that any person seeking coverage under the general 

22 permit shall register with the director on a form prescribed by the director. 

23 Upon receipt of a registration form, the director shall notify the county in 

24 which the farm or ranch is located of such registration. 

25 4. A statement that the director, a local air pollution control 

26 officer, or any other public officer may order the extinguishment of burning 

27 or may prohibit burning during periods of inadequate smoke dispersion 

28 or excessive visibility impairment or at other times when public health or 

29 safety could be adversely affected. 

30 G. F. Nothing in this section is intended to permit any practice 

31 which is a violation of any statute, ordinance, rule or regulation in a 

32 county with a population in excess of one million two hundred thousand 

33 persons. according to the most recent United States decennial census.

34 NOTWITHSTANDING ANY OTHER LAW, SUCH A COUNTY SHALL PROHIBIT BY ORDINANCE THE 

35 USE OF WOOD BURNING CHIMINEAS, OUTDOOR FIRE PITS AND SIMILAR OUTDOOR FIRES ON 

36 THOSE DAYS FOR WHICH THE COUNTY HAS ISSUED A NO BURN DAY RESTRICTION. 

37 H. G. A person who violates any provision of this section may be 

38 served a notice of violation and be subject to the enforcement provisions of 

39 this article to the same extent as a person violating any rule or regulation 

40 adopted pursuant to this article, EXCEPT THAT A VIOLATION THAT LASTS NO MORE 

41 THAN TWENTY-FOUR HOURS AND THAT IS THE FIRST VIOLATION COMMITTED BY THAT 

42 PERSON IS SUBJECT TO A CIVIL PENALTY OF NO MORE THAN FIVE HUNDRED DOLLARS. 

43 I. Any violation of this section shall be punishable by a fine not to 

44 exceed twenty-five dollars.
S.B. 1552 

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1 B. H. FOR THE PURPOSES OF THIS SECTION, "open outdoor fire", as used 

2 in this section, means any combustion of combustible material of any type 

3 outdoors, in the open where the products of combustion are not directed 

4 through a flue. FOR THE PURPOSES OF THIS SUBSECTION, "flue", as used in 

5 this subsection, means any duct or passage for air, gases or the like, such 

6 as a stack or chimney. 

7 Sec. 19. Section 49-542, Arizona Revised Statutes, as amended by Laws 

8 2007, chapter 171, section 5, is amended to read: 

9 49-542. Emissions inspection program; powers and duties of 

10 director; administration; periodic inspection; 

11 minimum standards and rules; exceptions; definition

12 A. The director shall administer a comprehensive annual or biennial 

13 emissions inspection program which shall require the inspection of vehicles 

14 in this state pursuant to this article and applicable administrative rules. 

15 Such inspection is required in area A and area B, for those vehicles owned by 

16 a person who is subject to section 15-1444 or 15-1627 and for those vehicles 

17 registered outside of area A or area B but used to commute to the driver's 

18 principal place of employment located within area A or area B. Inspection in 

19 other counties of the state shall commence upon application by a county board 

20 of supervisors for participation in such inspection program, subject to 

21 approval by the director. In all counties with a population of three hundred 

22 fifty thousand or fewer persons according to the most recent United States 

23 decennial census, except for the portion of counties that contain any portion 

24 of area A, the director shall as conditions dictate provide for testing to 

25 determine the effect of vehicle related pollution on ambient air quality in 

26 all communities with a metropolitan area population of twenty thousand 

27 persons or more according to the most recent United States decennial census. 

28 If such testing detects the violation of state ambient air quality standards 

29 by vehicle related pollution, the director shall forward a full report of 

30 such violation to the president of the senate, the speaker of the house of 

31 representatives and the governor. 

32 B. The state's annual or biennial emissions inspection program shall 

33 provide for vehicle inspections at official emissions inspection stations or 

34 at fleet emissions inspection stations. Each inspection station in area A 

35 shall employ at least one mechanic who is available during the station's 

36 hours of operation to provide technical advice and assistance for persons who 

37 fail the emissions test. The director may enter into agreements with the 

38 department of transportation or with county assessors for the use of official 

39 emissions inspection stations for the purpose of conducting vehicle 

40 registrations. An official or fleet emissions inspection station permit 

41 shall not be sold, assigned, transferred, conveyed or removed to another 

42 location except on such terms and conditions as the director may prescribe. 

43 C. Vehicles required to be inspected and registered in this state, 

44 except those provided for in section 49-546, shall be inspected, for the 

45 purpose of complying with the registration or reregistration requirement 
S.B. 1552 

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1 pursuant to subsection D of this section, in accordance with the provisions 

2 of this article no more than ninety days prior to each reregistration 

3 expiration date. A vehicle may be submitted voluntarily for inspection more 

4 than ninety days before the reregistration expiration date on payment of the 

5 prescribed inspection fee. Such voluntary inspection shall not be considered 

6 as compliance with the registration or reregistration requirement pursuant to 

7 subsection D of this section. 

8 D. A vehicle shall not be registered or reregistered until such 

9 vehicle has passed the emissions inspection, and the tampering inspection 

10 prescribed in subsection G of this section AND THE LIQUID FUEL LEAK 

11 INSPECTION PRESCRIBED IN SUBSECTION Z OF THIS SECTION or has been issued a 

12 certificate of waiver. A certificate of waiver shall only be issued one time 

13 to a vehicle after January 1, 1997. If any vehicle to be registered or 

14 reregistered is being sold by a dealer licensed to sell motor vehicles 

15 pursuant to title 28, the cost of any inspection and any repairs necessary to 

16 pass the inspection shall be borne by the dealer. A dealer who is licensed 

17 to sell motor vehicles pursuant to title 28 and whose place of business is 

18 located in area A or area B shall not deliver any vehicle to the retail 

19 purchaser until the vehicle passes any inspection required by this article or 

20 the vehicle is exempt under subsection J of this section. 

21 E. On the registration or reregistration of a vehicle which has 

22 complied with the minimum emissions standards pursuant to this section or is 

23 otherwise exempt under this section, the registering officer shall issue an 

24 air quality compliance sticker to the registered owner which shall be placed 

25 on the vehicle as prescribed by rule adopted by the department of 

26 transportation or issue a modified year validating tab as prescribed by rule 

27 adopted by the department of transportation. Those persons who reside 

28 outside of area A or area B but who elect to test their vehicle or are 

29 required to test their vehicle pursuant to this section and who comply with 

30 the minimum emissions standards pursuant to this section or are otherwise 

31 exempt under this section shall remit a compliance form, as prescribed by the 

32 department of transportation, and proof of compliance issued at an official 

33 emissions inspection station to the department of transportation along with 

34 the appropriate fees. The department of transportation shall then issue the 

35 person an air quality compliance sticker which shall be placed on the vehicle 

36 as prescribed by rule adopted by the department of transportation. The 

37 registering officer or the department of transportation shall collect an air 

38 quality compliance fee of twenty-five cents. The registering officer or the 

39 department of transportation shall deposit, pursuant to sections 35-146 and 

40 35-147, the air quality compliance fee in the state highway fund established 

41 by section 28-6991. The department of transportation shall deposit, pursuant 

42 to sections 35-146 and 35-147, any emissions inspection fee in the emissions 

43 inspection fund. The provisions of this subsection do not apply to those 

44 vehicles registered pursuant to title 28, chapter 7, article 7 or 8, the sale 

45 of vehicles between motor vehicle dealers or vehicles leased to a person 
S.B. 1552 

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1 residing outside of area A or area B by a leasing company whose place of 

2 business is in area A or area B. 

3 F. The director shall adopt minimum emissions standards pursuant to 

4 section 49-447 with which the various classes of vehicles shall be required 

5 to comply as follows: 

6 1. For the purpose of determining compliance with minimum emissions 

7 standards in area B: 

8 (a) A motor vehicle manufactured in or before the 1980 model year, 

9 other than a diesel powered vehicle, shall be required to take and pass the 

10 curb idle test condition. A diesel powered vehicle is subject to only a 

11 loaded test condition. The conditioning mode shall, at the option of the 

12 vehicle owner or owner's agent, be administered only after the vehicle has 

13 failed the curb idle test condition. Upon completion of such conditioning 

14 mode, a vehicle that has failed the curb idle test condition may be retested 

15 in the curb idle test condition. If the vehicle passes such retest, it shall 

16 be deemed in compliance with minimum emissions standards unless the vehicle 

17 fails the tampering inspection pursuant to subsection G of this section OR 

18 THE LIQUID LEAK FUEL INSPECTION PURSUANT TO SUBSECTION Z OF THIS SECTION. 

19 (b) A motor vehicle manufactured in or after the 1981 model year, 

20 other than a diesel powered vehicle, shall be required to take and pass the 

21 curb idle test condition and the loaded test condition or an onboard 

22 diagnostic check as may be required pursuant to title II of the clean air 

23 act. 

24 2. For purposes of determining compliance with minimum emissions 

25 standards and functional tests in area A: 

26 (a) Motor vehicles manufactured in or after model year 1981 with a 

27 gross vehicle weight rating of eighty-five hundred pounds or less, other than 

28 diesel powered vehicles, shall be required to take and pass a transient 

29 loaded emissions test or an onboard diagnostic check as may be required 

30 pursuant to title II of the clean air act. 

31 (b) Motor vehicles other than those prescribed by subdivision (a) of 

32 this paragraph and other than diesel powered vehicles shall be required to 

33 take and pass a steady state loaded test and a curb idle emissions test. 

34 (c) A diesel powered motor vehicle applying for registration or 

35 reregistration in area A shall be required to take and pass an annual 

36 emissions test conducted at an official emissions inspection station or a 

37 fleet emissions inspection station as follows: 

38 (i) A loaded, transient or any other form of test as provided for in 

39 rules adopted by the director for vehicles with a gross vehicle weight rating 

40 of eight thousand five hundred pounds or less. 

41 (ii) A test that conforms with the society for automotive engineers 

42 standard J1667 for vehicles with a gross vehicle weight rating of more than 

43 eight thousand five hundred pounds. 

44 (d) Motor vehicles by specific class or model year shall be required 

45 to take and pass any of the following tests: 
S.B. 1552 

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1 (i) An evaporative system purge test. 

2 (ii) An evaporative system integrity test. 

3 (e) An onboard diagnostic check as may be required pursuant to title 

4 II of the clean air act. 

5 3. A motorcycle in area A or any constant four wheel drive vehicle 

6 shall be required to take and pass a curb idle emissions test or an onboard 

7 diagnostic check as required pursuant to title II of the clean air act. 

8 4. Fleet operators in area B must comply with this section, except 

9 that used vehicles sold by a motor vehicle dealer who is a fleet operator and 

10 who has been issued a permit under section 49-546 shall be tested as follows: 

11 (a) A motor vehicle manufactured in or before the 1980 model year 

12 shall take and pass only the curb idle test condition, except that a diesel 

13 powered vehicle is subject to only a loaded test condition. 

14 (b) A motor vehicle manufactured in or after the 1981 model year shall 

15 take and pass the curb idle test condition and a twenty-five hundred 

16 revolutions per minute unloaded test condition. 

17 5. Vehicles owned or operated by the United States, this state or a 

18 political subdivision of this state shall comply with this subsection without 

19 regard to whether those vehicles are required to be registered in this state, 

20 except that alternative fuel vehicles of a school district that is located in 

21 area A shall be required to take and pass the curb idle test condition and 

22 the loaded test condition. 

23 6. Fleet operators in area A shall comply with this section, except 

24 that used vehicles sold by a motor vehicle dealer who is a fleet operator and 

25 who has been issued a permit pursuant to section 49-546 for purposes of 

26 determining compliance with minimum emission standards in area A shall be 

27 tested as follows: 

28 (a) A motor vehicle manufactured in or before the 1980 model year 

29 shall take and pass the curb idle test condition, except that a diesel 

30 powered vehicle is subject to only a loaded test condition. 

31 (b) A motor vehicle manufactured in or after the 1981 model year shall 

32 take and pass the curb idle test condition and a two thousand five hundred 

33 revolutions per minute unloaded test condition. 

34 7. Beginning on January 1, 2004 and except for any registered owner or 

35 lessee of a fleet of less than twenty-five vehicles, a diesel powered motor 

36 vehicle with a gross vehicle weight of more than twenty-six thousand pounds 

37 and for which gross weight fees are paid pursuant to title 28, chapter 15, 

38 article 2 in area A shall not be allowed to operate in area A unless it was 

39 manufactured in or after the 1988 model year or is powered by an engine that 

40 is certified to meet or surpass emissions standards contained in 40 Code of 

41 Federal Regulations section 86.088-11. This paragraph does not apply to 

42 vehicles that are registered pursuant to title 28, chapter 7, article 7 or 8. 

43 8. Beginning on January 1, 2006 for any registered owner or lessee of 

44 a fleet of less than twenty-five vehicles, a diesel powered motor vehicle 

45 with a gross vehicle weight of more than twenty-six thousand pounds and for 
S.B. 1552 

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1 which gross weight fees are paid pursuant to title 28, chapter 15, article 2 

2 in area A shall not be allowed to operate in area A unless it was 

3 manufactured in or after the 1988 model year or is powered by an engine that 

4 is certified to meet or surpass emissions standards contained in 40 Code of 

5 Federal Regulations section 86.088-11. This paragraph does not apply to 

6 vehicles that are registered pursuant to title 28, chapter 7, article 7 or 8. 

7 G. In addition to an emissions inspection, a vehicle is subject to a 

8 tampering inspection on at least a biennial basis if the vehicle was 

9 manufactured after the 1974 model year and the vehicle is not subject to a 

10 transient loaded emissions test or an onboard diagnostic check as required 

11 pursuant to title II of the clean air act. The director shall adopt vehicle 

12 configuration guidelines for the tampering inspection which shall be based on 

13 the original configuration of the vehicle when manufactured. The tampering 

14 inspection shall consist of the following: 

15 1. A visual check to determine the presence of properly installed 

16 catalytic converters. 

17 2. An examination to determine the presence of an operational air 

18 pump. 

19 3. In area A, if the vehicle was manufactured after the 1974 model 

20 year and is not subject to a transient loaded emissions test or an onboard 

21 diagnostic check as required pursuant to title II of the clean air act, a 

22 visual inspection for the presence or malfunction of the positive crankcase 

23 ventilation system and the evaporative control system. 

24 H. Vehicles required to be inspected shall undergo a functional test 

25 of the gas cap to determine if the cap holds pressure within limits 

26 prescribed by the director, except for any vehicle that is subject to an 

27 evaporative system integrity test. 

28 I. Motor vehicles failing the initial or subsequent test are not 

29 subject to a penalty fee for late registration renewal if the original 

30 testing was accomplished before the expiration date and if the registration 

31 renewal is received by the motor vehicle division or the county assessor 

32 within thirty days of the original test. 

33 J. The director may adopt rules for purposes of implementation, 

34 administration, regulation and enforcement of the provisions of this article 

35 including: 

36 1. The submission of records relating to the emissions inspection of 

37 vehicles inspected by another jurisdiction in accordance with another 

38 inspection law and the acceptance of such inspection for compliance with the 

39 provisions of this article. 

40 2. The exemption from inspection of: 

41 (a) A motor vehicle manufactured in or before the 1966 model year. 

42 (b) New vehicles originally registered at the time of initial retail 

43 sale and titling in this state pursuant to section 28-2153 or 28-2154. 

44 (c) Vehicles registered pursuant to title 28, chapter 7, article 7 

45 or 8. 
S.B. 1552 

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1 (d) New vehicles before the sixth registration year after initial 

2 purchase or lease. 

3 (e) Vehicles which will not be available within the state during the 

4 ninety days prior to registration. 

5 (f) Golf carts. 

6 (g) Electrically-powered vehicles. 

7 (h) Vehicles with an engine displacement of less than ninety cubic 

8 centimeters. 

9 (i) The sale of vehicles between motor vehicle dealers. 

10 (j) Vehicles leased to a person residing outside of area A or area B 

11 by a leasing company whose place of business is in area A or area B. 

12 (k) Collectible vehicles. 

13 (l) Motorcycles in area B. 

14 3. Compiling and maintaining records of emissions test results after 

15 servicing. 

16 4. A procedure which shall allow the vehicle service and repair 

17 industry to compare the calibration accuracy of its emissions testing 

18 equipment with the department's calibration standards. 

19 5. Training requirements for automotive repair personnel using 

20 emissions measuring equipment whose calibration accuracy has been compared 

21 with the department's calibration standards. 

22 6. Any other rule which may be required to accomplish the provisions 

23 of this article. 

24 K. The director shall, after consultation with automobile 

25 manufacturers and the vehicle service and repair industry, establish by rule 

26 a definition of "low emissions tune-up" for motor vehicles subject to 

27 inspection under this article. The definition shall specify repair 

28 procedures which, when implemented, will reduce vehicle emissions. 

29 L. The director shall adopt rules which specify that the estimated 

30 retail cost of all recommended maintenance and repairs shall not exceed the 

31 amounts prescribed in this subsection, except that if a vehicle fails a 

32 tampering inspection there is no limit on the cost of recommended maintenance 

33 and repairs. The director shall issue a certificate of waiver for a vehicle 

34 which has failed reinspection, if the director has determined that all 

35 recommended maintenance and repairs have been performed. If, after 

36 reinspection, the director has determined that the vehicle is in compliance 

37 with minimum emissions standards or that all recommended maintenance and 

38 repairs for compliance with minimum emissions standards have been performed, 

39 but that tampering discovered at a tampering inspection has not been 

40 repaired, the director may issue a certificate of waiver if the owner of the 

41 vehicle provides to the director a written statement from an automobile parts 

42 or repair business that an emissions control device which is necessary to 

43 repair the tampering is not available and cannot be obtained from any usual 

44 source of supply before the vehicle's current registration expires. Rules 

45 adopted by the director for the purpose of establishing the estimated retail 
S.B. 1552 

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1 cost of all recommended maintenance and repairs pursuant to this subsection 

2 shall specify that: 

3 1. In area A the cost shall not exceed: 

4 (a) Five hundred dollars for a diesel powered vehicle with a gross 

5 weight in excess of twenty-six thousand pounds. 

6 (b) Five hundred dollars for a diesel powered vehicle with tandem 

7 axles. 

8 (c) For a vehicle other than a diesel powered vehicle with a gross 

9 weight in excess of twenty-six thousand pounds and other than a diesel 

10 powered vehicle with tandem axles: 

11 (i) Two hundred dollars for such a vehicle manufactured in or before 

12 the 1974 model year. 

13 (ii) Three hundred dollars for such a vehicle manufactured in the 1975 

14 through 1979 model years. 

15 (iii) Four hundred fifty dollars for such a vehicle manufactured in or 

16 after the 1980 model year. 

17 2. In area B the cost shall not exceed: 

18 (a) Three hundred dollars for a diesel powered vehicle with a gross 

19 weight in excess of twenty-six thousand pounds. 

20 (b) Three hundred dollars for a diesel powered vehicle with tandem 

21 axles. 

22 3. For a vehicle other than a diesel powered vehicle with a gross 

23 weight in excess of twenty-six thousand pounds and other than a diesel 

24 powered vehicle with tandem axles: 

25 (a) Fifty dollars for such a vehicle manufactured in or before the 

26 1974 model year. 

27 (b) Two hundred dollars for such a vehicle manufactured in the 1975 

28 through 1979 model years. 

29 (c) Three hundred dollars for such a vehicle manufactured in or after 

30 the 1980 model year. 

31 M. Each person whose vehicle has failed an emissions inspection shall 

32 be provided a list of those general recommended tune-up procedures for 

33 vehicles which are designed to reduce vehicle emissions levels. The list 

34 shall include the following notice: "This test is the result of federal law. 

35 You may wish to contact your representative in the United States Congress." 

36 N. Notwithstanding any other provisions of this article, the director 

37 may adopt rules allowing exemptions from the requirement that all vehicles 

38 must meet the minimum standards for registration or reregistration. 

39 O. The director of environmental quality shall establish, in 

40 cooperation with the assistant director for the motor vehicle division of the 

41 department of transportation: 

42 1. An adequate method for identifying bona fide residents residing 

43 outside of area A or area B to ensure that such residents are exempt from 

44 compliance with the inspection program established by this article and rules 

45 adopted under this article. 
S.B. 1552 

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1 2. A written notice that shall accompany the vehicle registration 

2 application forms that are sent to vehicle owners pursuant to section 28-2151 

3 and that shall accompany or be included as part of the vehicle emissions test 

4 results that are provided to vehicle owners at the time of the vehicle 

5 emissions test. This written notice shall describe at least the following: 

6 (a) The restriction of the waiver program to one time per vehicle and 

7 a brief description of the implications of this limit. 

8 (b) The availability and a brief description of the vehicle repair and 

9 retrofit program established pursuant to section 49-474.03. 

10 (c) Notice that many vehicles carry extended warranties for vehicle 

11 emissions systems, and those warranties are described in the vehicle's 

12 owner's manual or other literature. 

13 (d) A description of the catalytic converter replacement program 

14 established pursuant to section 49-474.03. 

15 P. Notwithstanding any other law, if area A or area B is reclassified 

16 as an attainment area, emissions testing conducted pursuant to this article 

17 shall continue for vehicles registered inside that reclassified area, 

18 vehicles owned by a person who is subject to section 15-1444 or 15-1627 and 

19 vehicles registered outside of that reclassified area but used to commute to 

20 the driver's principal place of employment located within that reclassified 

21 area. 

22 Q. A fleet operator who is issued a permit pursuant to section 49-546 

23 may electronically transmit emissions inspection data to the department of 

24 transportation pursuant to rules adopted by the director of the department of 

25 transportation in consultation with the director of environmental quality. 

26 R. The director shall prohibit a certificate of waiver pursuant to 

27 subsection L of this section for any vehicle which has failed inspection in 

28 area A due to the catalytic converter system. 

29 S. The director shall establish provisions for rapid testing of 

30 certain vehicles and to allow fleet operators, singly or in combination, to 

31 contract directly for vehicle emissions testing. 

32 T. Each vehicle emissions control station in area A shall have a sign 

33 posted to be visible to persons who are having their vehicles tested. This 

34 sign shall state that enhanced testing procedures are a direct result of 

35 federal law. 

36 U. The initial adoption of rules pursuant to this section shall be 

37 deemed emergency rules pursuant to section 41-1026. 

38 V. The director of environmental quality and the director of the 

39 department of transportation shall implement a system to exchange information 

40 relating to the waiver program, including information relating to vehicle 

41 emissions test results and vehicle registration information. 

42 W. Any person who sells a vehicle that has been issued a certificate 

43 of waiver pursuant to this section after January 1, 1997 and who knows that a 

44 certificate of waiver has been issued after January 1, 1997 for that vehicle 
S.B. 1552 

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1 shall disclose to the buyer before completion of the sale that a certificate 

2 of waiver has been issued for that vehicle. 

3 X. Vehicles that fail the emissions test at emission levels higher 

4 than twice the standard established for that vehicle class by the department 

5 pursuant to section 49-447 are not eligible for a certificate of waiver 

6 pursuant to this section unless the vehicle is repaired sufficiently to 

7 achieve an emissions level below twice the standard for that class of 

8 vehicle. 

9 Y. If an insurer notifies the department of transportation of the 

10 cancellation or nonrenewal of collectible vehicle or classic automobile 

11 insurance coverage for a collectible vehicle, the department of 

12 transportation shall cancel the registration of the vehicle and the vehicle's 

13 exemption from emissions testing pursuant to this section unless evidence of 

14 coverage is presented to the department of transportation within sixty days. 

15 Z. IN ADDITION TO AN EMISSIONS INSPECTION, A VEHICLE IS SUBJECT TO A 

16 LIQUID FUEL LEAK INSPECTION ON AT LEAST A BIENNIAL BASIS IF THE VEHICLE WAS 

17 MANUFACTURED AFTER THE 1974 MODEL YEAR AND IS NOT A DIESEL VEHICLE. THE 

18 DIRECTOR SHALL ADOPT RULES PRESCRIBING PROCEDURES AND STANDARDS FOR THE 

19 LIQUID FUEL LEAK INSPECTION. 

20 Z. AA. For the purposes of this section, "collectible vehicle" means 

21 a vehicle that complies with both of the following: 

22 1. Either: 

23 (a) Bears a model year date of original manufacture that is at least 

24 fifteen years old. 

25 (b) Is of unique or rare design, of limited production and an object 

26 of curiosity. 

27 2. Meets both of the following criteria: 

28 (a) Is maintained primarily for use in car club activities, 

29 exhibitions, parades or other functions of public interest or for a private 

30 collection and is used only infrequently for other purposes. 

31 (b) Has a collectible vehicle or classic automobile insurance coverage 

32 that restricts the collectible vehicle mileage or use, or both, and requires 

33 the owner to have another vehicle for personal use. 

34 Sec. 20. Interim rule making; publication

35 Notwithstanding title 41, chapter 6, article 3, Arizona Revised 

36 Statutes, the best management practices committee for regulated agricultural 

37 activities established under section 49-457, Arizona Revised Statutes, shall 

38 adopt the rules required by section 49-457, Arizona Revised Statutes, as 

39 amended by this act, as interim rules with an immediate effective date in 

40 compliance with section 41-1032, Arizona Revised Statutes, in order to comply 

41 with the December 31, 2007 deadline imposed by the United States 

42 environmental protection agency for failure to attain the national ambient 

43 air quality standard for PM-10 on or before December 31, 2006. The rules 

44 shall have an immediate effective date. Interim rules are exempt from title 

45 41, chapter 6, article 3, Arizona Revised Statutes, except that the committee 
S.B. 1552 

 - 42 - 

1 shall submit the rules for publication and the secretary of state shall 

2 publish the rules in the Arizona administrative register. 

3 Sec. 21. Construction contracts with public entities; 

4 definition

5 A. If this state or an agency or political subdivision of this state 

6 is party to a construction contract executed before enactment of this act, 

7 the state, agency or political subdivision may agree to a contract amendment 

8 to provide for supplemental payments to reimburse the contractor for costs 

9 incurred solely and directly as a result of new dust control requirements 

10 imposed under this act if the following conditions are satisfied: 

11 1. The measures taken to comply with the new dust control requirements 

12 were necessary and appropriate. 

13 2. The measures taken to comply with the new dust control requirements 

14 were not necessary or appropriate to comply with dust control requirements or 

15 any other legal or contractual requirements in existence before enactment of 

16 this act. 

17 3. The contractor provides the state, agency or political subdivision 

18 with complete documentation for the costs for which supplemental payment is 

19 requested. 

20 4. The contractor did not expressly or impliedly assume the risk that 

21 additional costs would be incurred as a result of changes in dust control 

22 requirements. 

23 B. Any invitation to bid or request for proposals issued by this state 

24 or an agency or political subdivision of this state for a construction 

25 project in area A as defined in section 49-541, Arizona Revised Statutes, 

26 shall require that the offer address compliance with all dust control 

27 requirements applicable to the project. 

28 C. For the purposes of this section, "political subdivision" means an 

29 entity supported in whole or in part by tax revenues. 

30 Sec. 22. Delayed repeal

31 Section 21 of this act, relating to public contracts and dust control 

32 requirements, is repealed from and after September 30, 2009. 

33 Sec. 23. City and county particulate enforcement; report; joint 

34 legislative budget committee

35 A county and any city or town that is located in an area designated by 

36 the environmental protection agency as a serious PM-10 nonattainment area or 

37 a maintenance area that was designated as a serious PM-10 nonattainment area 

38 shall submit reports on particulate enforcement to the joint legislative 

39 budget committee on June 1 and December 1 in 2008 and 2009. The reports 

40 shall include the following information for each county, city and town: 

41 1. The number of notices of violation issued, fines or penalties 

42 assessed or other sanctions imposed for particulate violations. 

43 2. The number of inspectors or other enforcement personnel employed 

44 for purposes of enforcing statutes, rules or ordinances related to 

45 particulates. 
S.B. 1552 

 - 43 - 

1 3. The number of miles of streets, roads, alleys, shoulders and vacant 

2 areas paved or otherwise stabilized. 

3 4. Any other information relevant to enforcement of particulate 

4 measures prescribed by this act. 

5 Sec. 24. State air quality study committee; members; duties; 

6 report

7 A. The state air quality study committee is established consisting of 

8 the following members: 

9 1. Five members of the senate who are appointed by the president of 

10 the senate, not more than three of whom are members of the same political 

11 party. The president of the senate shall designate one of these members to 

12 serve as cochairperson of the committee. 

13 2. Five members of the house of representatives who are appointed by 

14 the speaker of the house of representatives, not more than three of whom are 

15 members of the same political party. The speaker of the house of 

16 representatives shall designate one of these members to serve as 

17 cochairperson of the committee. 

18 B. The purpose of the committee is to examine and make recommendations 

19 for current and future compliance with primary national ambient air quality 

20 standards in this state. 

21 C. The committee shall: 

22 1. Review the implementation and enforcement of the particulate matter 

23 and ozone control measures for areas A and C prescribed in this act and 

24 adopted by the Maricopa association of governments and Maricopa county for 

25 area A. On request of the committee, the Maricopa association of governments 

26 shall provide a summary of the five per cent PM-10 reduction plan submitted 

27 to the United States environmental protection agency on or before December 

28 31, 2007. 

29 2. Examine the need to adopt additional particulate matter and ozone 

30 control measures in areas A and C to ensure compliance with national ambient 

31 air quality standards in areas A and C and any other federal requirements. 

32 3. Review the different types of motor fuel standards required by law 

33 in this state. 

34 4. Examine the need to adjust the different types of motor fuel 

35 standards in this state based on the following criteria: 

36 (a) Current and future compliance with primary national ambient air 

37 quality standards to protect public health. 

38 (b) Effect on supply of motor fuel into this state. 

39 (c) Effect on the price and costs of production and delivery of motor 

40 fuel to consumers. 

41 (d) Cost-effectiveness of motor fuel standard changes in comparison 

42 with other types of control measures. 

43 (e) Federal regulations on locally-specific motor fuel types. 

44 5. Review the vehicle emission inspection requirements in this state 

45 and examine the applicability of these requirements. 
S.B. 1552 

 - 44 - 

1 6. Review and examine other air quality control measures, as the 

2 committee deems necessary, to ensure current and future compliance with 

3 primary national ambient air quality standards to protect public health, 

4 including vapor recovery system technologies and requirements. 

5 7. Make any recommendations on review and examination of the subjects 

6 prescribed in paragraphs 1 through 6 of this subsection. 

7 8. Submit a report of its findings and recommendations to the 

8 governor, the president of the senate and the speaker of the house of 

9 representatives on or before December 31, 2009 and submit copies of these 

10 reports to the secretary of state and the director of the Arizona state 

11 library, archives and public records. 

12 Sec. 25. Department of environmental quality; motor fuels 

13 emissions studies; recommendations

14 A. The department of environmental quality shall evaluate the 

15 coordinating research council study E-74b. The department of environmental 

16 quality shall receive comments evaluating the coordinating research council 

17 study E-74b from the department of weights and measures, any trade 

18 organizations representing automobile manufacturers, ethanol producers and 

19 marketers, petroleum refiners, suppliers, distributors and marketers, and 

20 other interested parties. 

21 B. The department of environmental quality and each of the entities 

22 submitting comments pursuant to subsection A of this section shall consider 

23 providing additional research and cooperating to design and conduct any 

24 additional studies. 

25 C. If funding is made available, and if the department of 

26 environmental quality in consultation with each of the entities submitting 

27 comments pursuant to subsection A of this section determines additional 

28 research is necessary, the department of environmental quality, in 

29 consultation with the department of weights and measures, shall develop and 

30 implement research that would complement and incorporate the coordinating 

31 research council study E-74b regarding Reid vapor pressure and oxygen content 

32 effects on emissions of 1994 model year and newer light duty vehicles. The 

33 research: 

34 1. May include federal test procedure testing of a sufficient number 

35 and variety of federal tier 1 and tier 2 standard vehicles to be 

36 representative of the current in-use light duty vehicle fleet. 

37 2. May include an emissions and air quality assessment of the impacts 

38 of changing the area A wintertime Reid vapor pressure standard to comply with 

39 American society for testing and materials Reid vapor pressure standards 

40 applicable to area A, including the wintertime Reid vapor pressure waiver for 

41 ethanol blends allowed by provisions of a waiver issued or other limits 

42 established by the United States environmental protection agency. 

43 3. May include an assessment of the emissions and air quality impacts 

44 of requiring ten per cent ethanol in tandem with any change in Reid vapor 

45 pressure, including an assessment of Reid vapor pressure being allowed to 
S.B. 1552 

 - 45 - 

1 rise with no ethanol content and an assessment of fuel containing greater 

2 than twenty per cent ethanol content. 

3 4. Notwithstanding the receipt of the coordinating research council 

4 study E-74b, shall include: 

5 (a) An assessment of costs of production and delivery of gasoline and 

6 ethanol and an assessment of gasoline and ethanol supplies and logistics. 

7 (b) A statewide assessment of increasing flexibility under state 

8 standards for blending ethanol to include impacts on the environment, vehicle 

9 performance and costs to consumers. 

10 D. On or before February 15, 2008, the department of environmental 

11 quality shall submit its evaluation of the coordinating research council 

12 study E-74b and any comments received pursuant to subsection A of this 

13 section to the governor, the president of the senate and the speaker of the 

14 house of representatives for referral to the appropriate standing committees 

15 of the senate and the house of representatives. The department shall submit 

16 copies of the evaluation and comments to the secretary of state and the 

17 director of the Arizona state library, archives and public records. 

18 E. On or before September 1, 2008, the department of environmental 

19 quality shall submit a report of all of the findings and recommendations made 

20 pursuant to this section to the state air quality study committee established 

21 by this act and shall submit copies of these reports to the secretary of 

22 state and the director of the Arizona state library, archives and public 

23 records. 

24 Sec. 26. Delayed repeal

25 Section 24 of this act, relating to the state air quality study 

26 committee, and section 25 of this act, relating to motor fuels emissions 

27 studies, are repealed from and after December 31, 2009. 

28 Sec. 27. Conditional enactment

29 A. Section 41-2083, Arizona Revised Statutes, as amended by Laws 2007, 

30 chapter 145, section 2 and this act, is effective as prescribed in Laws 2005, 

31 chapter 104, section 7, subsection A, as amended by Laws 2007, chapter 145, 

32 section 4. 

33 B. Section 41-2124.01, Arizona Revised Statutes, as amended by section 

34 13 of this act, is not effective unless, on or before November 1, 2009, the 

35 conditions specified in Laws 2005, chapter 104, section 7, subsection B, as 

36 amended by Laws 2007, chapter 145, section 4, are satisfied. 
APPENDIX V

MAINTENANCE DEMONSTRATION
App. V-i-1

Appendix V-i

MATS Configuration
App. V-i-2

This section provides the MATS configuration used for the 8-hour ozone maintenance

tests. All three episodes applied the same configuration as follows:
App. V-i-3
APPENDIX VI

SUPPLEMENTAL ANALYSES
App. VI-i-1

Appendix VI-i

Maximum and Minimum Modeled Ozone Tile Plots for Each Episode

Appendix VI-i presents the maximum and minimum modeled ozone tile plots for each

episode of the baseline and future years.
App. VI-i-2

(a) (b)

(c) (d)

(e) (f)

Figure 1. Maximum and minimum eight-hour ozone concentration for each episode in the

baseline year (2005).
App. VI-i-3

(a) (b)

(c) (d)

(e) (f)

Figure 2. Maximum and minimum eight-hour ozone concentration for each episode in the

future year (2025).
App. VI-ii-1

Appendix VI-ii

CPA Results for the July and August Episodes

Appendix VI-ii presents CPA results for the July and August episodes.
App. VI-ii-2

(a) (b)

(c) (d)

(e) (f)

(g) (h)

(I) (j)

Figure 1. A series of plots showing CPA results for the future year CAMx simulations at

noon on a Tuesday in July
App. VI-ii-3

(a) (b)

(c) (d)

(e) (f)

(g) (h)

(I) (j)

Figure 2. A series of plots showing CPA results for the future year CAMx simulations at

noon on a Friday in August
App. VI-iii-1

Appendix VI-iii

WRF Meteorology Simulations

Appendix VI-iii describes the modeling domains, episodes selection, input data,

configurations, and performance evaluation of the WRF modeling. 
App. VI-iii-2

The National Center for Atmospheric Research (NCAR) Weather Research and

Forecasting (WRF) modeling system is a next-generation mesoscale forecast model and

data assimilation system (http://wrf-model.org/index.php). WRF is efficient in a massively

parallel computing environment, offering many state-of-the-art physics and dynamics

options that are applicable in different spatial and temporal scales. It is expected that WRF

as a high effective resolution mesoscale model (Skamarock, 2004) will eventually replace

the Fifth Generation Mesoscale Model (MM5) of which the development and maintenance

were frozen in 2004.

MAG contracted ENVIRON to provide MM5 meteorological data for the CAMx eight-hour

ozone modeling for MAG Eight-Hour Ozone Plan (MAG, 2007). MAG decided to use the

same MM5 meteorology and test the WRF meteorology with air quality models such as

CAMx and CMAQ for the maintenance modeling demonstration. The principal components

of the WRF modeling system include the WRF Software Framework (WSF); the dynamic

solver, either the Advanced Research WRF (ARW) dynamic solver developed primarily at

NCAR or the Nonhydrostatic Mesoscale Model solver developed at National Centers for

Environmental Prediction (NCEP); the WRF Preprocessing System (WPS); the WRF

Variational Data Assimilation (WRF-Var) system; numerous physics packages contributed

by WRF partners and research community; and several graphics programs and conversion

programs for postprocessing. The ARW dynamic solver in WRF v2.2 that released in

December 2006 was applied in this modeling study.

Modeling Domain and Selected Episodes

The WRF domain is the same as the MM5 modeling used in the maintenance

demonstration (see Section II), where three nested domains are used (Table 1). The

central latitude and longitude of the WRF LCP coordinate are 34°N and 111°W; and the

conic true latitudes are 45°N and 33°N. The LCP central longitude aligns along the central

longitude of UTM zone 12 (111°W), on which the CAMx domain is defined. The CAMx and

CMAQ simulations are carried on the 12 km and 4 km domains. The CAMx and CMAQ

domains are slightly inset several grid cells on each side from the WRF domains as a way

to remove boundary “noise” near the WRF boundaries.
App. VI-iii-3

Table 1. The WRF, CAMx, and CMAQ Modeling Domains

Modeling Type Grid Resolution Grid Size Grid Range (km) Coord.

WRF

36 km 64 by 49 (-1134, -864) to (1134, 864)

12 km 118 by 91 (-810, -612) to (594, 468) LCP

4 km 61 by 40 (-234, -132) to (6, 24)

CAMx 12 km 111 by 84 (-275, 3188) to (1057, 4196) UTM

4 km 50 by 29 (297, 3652) to (497, 3768)

CMAQ 12 km 111 by 84 (-774, -576) to (558, 432) LCP

4 km 50 by 29 (-202, -112) to (-2, 4)

The same vertical structures of MM5 and CAMx used in maintenance demonstration are

applied in the WRF and CMAQ simulations. More details on the vertical structures of MM5

and CAMx are available in Section II.

This study conducts WRF and CMAQ modeling for the three episodes used in the

maintenance demonstration (see Section V). 

WRF Input Data and the Meteorological Monitoring Data

Most of the required datasets for the WRF modeling have been procured directly from the

NCAR web sites. This include a terrestrial dataset such as terrain elevation,

landuse/landcover (LULC), soil types, and so on (WRFM, 2008), and large-scale

meteorological analysis fields (UCAR, 2008). The static geographical data has the finest

resolution of 30'. The analyses are extracted from the NCEP NAM/Eta Data Assimilation

System (EDAS) that provides 40 km North American analyses every 3 hours.

Meteorological observations have been collected by MAG from three monitoring networks

throughout Arizona, including surface sites from the Arizona Meteorological Network

(AZMET) and the NOAA/NWS, and four upper air profiler sites operated by the NOAA’s

Forecast Systems Laboratory (FSL). In addition, the standard NCAR/NWS hourly surface

observation dataset (DS472) was obtained to augment the MAG databases and cover the

entire region encompassed by the WRF domain. The DS472 dataset was used in the WRF

performance evaluation.

WRF Simulation Design and Performance Evaluation

The WRF Preprocessing System (WPS) was used to define the modeling domains and

interpolate the terrestrial and meteorological data onto the modeling domains. The

interpolated meteorological data were then used to derive initial and boundary condition

data and FDDA nudging files for WRF modeling. The boundary condition is developed for

the 36 km parent domain, and the 12 km and the 4 km domains are two-way nested. The

performance evaluation was made using METSTAT developed by ENVIRON. The June
App. VI-iii-4

episode was tested by applying different physics and dynamics options. Similar

configurations were applied to the July and August episodes.

The June Episode

Physics and configuration options of the WRF model are outlined in this section. The same

MM5 configuration as used for the MAG Eight-Hour Ozone Plan was applied to the WRF

configuration, which has been proved to produce the best overall performance in the desert

southwest (MAG, 2007). The difficulty is that several key physics options used in the MM5

modeling, such as the Pleim-Chang (ACM) boundary layer scheme and the Pleim-Xiu land

surface model, are not available in the latest released version of WRF when this study was

made. Therefore, the Mellor-Yamada-Janjic (Eta) boundary layer scheme and the Noah

land-surface model were first tested. Kain-Fritsch (KF) instead of Betts-Miller cumulus

scheme was applied, since the MM5 experiments found that the temperature and moisture

performance improved noticeably with the KF scheme. Table 2 lists the configuration for

the first successful run of the June episode.

The WRF average daily performance statistics of Run1 are listed in Table 3. When they are

compared with the MM5 statistics as listed in Table 3-1 in Appendix III-I of the MAG EightHour Ozone Plan (MAG, 2007), it is found that most WRF statistics are better than the

MM5 statistics except for temperature bias. The hourly statistics of temperature (Figure 1a),

however, reveals that the negative temperature bias in WRF occurs at night, while there

is a minimal positive bias during the day. On the contrary, MM5 has a rather large positive

temperature bias around noon, which compensates some of the negative bias at night.

When the WRF meteorology from Run1 was tested with CMAQ, it was found that the

overprediction of ozone on June 5 was worse than that predicted with MM5 meteorology.

Run2 was implemented with the YSU PBL scheme. However, there were still several hot

spots with very high ozone concentrations on June 6 when Run2 was tested with CMAQ.

The WRF Run3 for the June episode that was successfully tested with CMAQ applies the

Medium Range Forecast (MRF) PBL model. The hourly time series statistics of surface

wind, temperature, and humidity of Run3 are illustrated in Figure 1. The daily average

performance statistics of Run3 are listed along with Run1 in Table 3. Most of the statistics

are not as good as Run1, while they are very close. Figure 1a shows that both the

simulated wind speed and direction agree well with the observations from May 31 to June

3, when the diurnal cycle of morning north-easterly and afternoon south-westerly wind is
App. VI-iii-5

Table 2. Configuration of WRF Physics and FDDA options in the first successful run for the

June episode (referred to as Run 1)

Configuration Type 36 km 12 km 4 km

Land Surface Model Noah Noah Noah

Surface-layer MOJ (Eta) MOJ (Eta) MOJ (Eta)

Boundary Layer MYJ MYJ MYJ

Sub-Grid Cumulus KF KF None

Explicit Moisture WSM3 WSM3 WSM3

Long wave radiation RRTM RRTM RRTM

Short wave radiation Dudhia Dudhia Dudhia

FDDA Grid Nudging (3D) W/T/H W/T/H W/T/H

FDDA Grid Nudging (SFC) W W W

MOJ (Eta) – Monin-Obukhov (Janic Eta) scheme; MYJ – Mellor-Yamada-Janic (Eta) TKE scheme; KF – KainFritsch (new Eta) scheme; W – Wind; T – Temperature; H – Humidity

Table 3. Average daily WRF performance statistics for Runs 1 and 3 over the June 2002

episode (May 31 to June 7); values exceeding benchmarks are highlighted in bold.

Statistics Category Benchmark Run1 Run3

Wind Speed Bias (m/s) #±0.5 -0.23 -0.83

Wind Speed RMSE (m/s) #2.0 1.58 1.78

Wind Speed IOA $0.6 0.69 0.62

Wind Dir Bias (deg) #±10 8.61 12.61

Wind Dir Gross Error (deg) #30 41.97 44.86

Temp Bias (K) #±0.5 -1.05 -1.50

Temp Gross Error (K) #2.0 1.90 2.09

Temp IOA $0.8 0.95 0.94

Humidity Bias (g/kg) #±1.0 0.25 -0.39

Humidity Gross Error (g/kg) < 2.0 1.14 1.12

Humidity IOA $0.6 0.45 0.49
App. VI-iii-6

notable and there is strong wind in the afternoon. On June 5, the simulated north-easterly

persisted into the afternoon, while the observed wind direction shifted to south-westerly

before noon. This would be caused by the passage of an upper-level trough and the

associated weak front that depressed the meso-scale circulation induced by the

topography of the basin. The no-nudging strategy to correct the wind direction problem

was tested with WRF, but results were the same as the one with nudging. Therefore, this

problem will be further manifested in the CMAQ/WRF test on June 5 when the persisted

north-easterly wind caused ozone to be over-predicted. Sensitivity tests were done by

applying different dynamic damping options, e.g. the gravity wave absorbing layer, the

vertical-velocity damping, the sixth order numerical diffusion, but the statistics of the

performance was not improved noticeably.
App. VI-iii-7

Figure 1a. Hourly time series statistics comparing DS472 wind observations to paired WRF

wind predictions from Run 3 in the 4 km MNA domain over the June 2002 episode
App. VI-iii-8

Figure 1b. Hourly time series statistics comparing DS472 temperature observations to

paired WRF temperature predictions from Run 3 in the 4 km MNA domain over the June

2002 episode
App. VI-iii-9

Figure 1c. Hourly time series statistics comparing DS472 humidity observations to paired

WRF humidity predictions from Run 3 in the 4 km MNA domain over the June 2002 episode
App. VI-iii-10

The July and August Episodes

The same configurations as used in Run3 of the June episode were applied in testing WRF

for the July episode. The hourly time series of surface wind, temperature, and humidity are

illustrated in Figure 2. The daily average performance statistics are listed in Table 4. It

appeared that wind simulation was not as good as MM5, while the temperature and

humidity simulations in WRF were much better than MM5. Besides, the wind simulation of

WRF was not as good as the June 2002 episode, which might be due to the persistent light

wind that is hard to simulate.

The August episode is characterized with high humidity caused by frequent precipitations.

A more updated and sophisticated microphysics scheme called the Thompson scheme was

employed, while other configurations are the same as the July episode. The hourly time

series of surface wind, temperature, and humidity are illustrated in Figure 3. The daily

average performance statistics are listed along with the July episode in Table 4. Similar to

the July episode, the wind simulation is a little worse than the MM5 simulation, while the

temperature and humidity simulations are better than MM5. The overall performance of the

August episode is the worst among the three episodes, which is also the case of the MM5

simulations.

Table 4. Average daily WRF performance statistics for the July 2002 and August 2001

episodes; values exceeding benchmarks are highlighted in red

Benchmark July August

Wind Speed Bias (m/s) #±0.5 -1.16 -1.17

Wind Speed RMSE (m/s) #2.0 2.39 2.27

Wind Speed IOA $0.6 0.46 0.45

Wind Dir Bias (deg) #±10 4.01 20.07

Wind Dir Gross Error (deg) #30 55.44 76.81

Temp Bias (K) #±0.5 -1.17 0.84

Temp Gross Error (K) #2.0 1.88 2.19

Temp IOA $0.8 0.92 0.85

Humidity Bias (g/kg) #±1.0 0.18 -1.86

Humidity Gross Error (g/kg) < 2.0 1.49 2.22

Humidity IOA $0.6 0.57 0.55
App. VI-iii-11

Figure 2a. Hourly time series statistics comparing DS472 wind observations to paired WRF

wind predictions in the 4 km MNA domain over the July 2002 episode
App. VI-iii-12

Figure 2b. Hourly time series statistics comparing DS472 temperature observations to

paired WRF temperature predictions in the 4 km MNA domain over the July 2002 episode
App. VI-iii-13

Figure 2c. Hourly time series statistics comparing DS472 humidity observations to paired

WRF humidity predictions in the 4 km MNA domain over the July 2002 episode
App. VI-iii-14

Figure 3a. Hourly time series statistics comparing DS472 wind observations to paired WRF

wind predictions in the 4 km MNA domain over the August 2001 episode
App. VI-iii-15

Figure 3b. Hourly time series statistics comparing DS472 temperature observations to

paired WRF temperature predictions in the 4 km MNA domain over the August 2001

episode
App. VI-iii-16

Figure 3c. Hourly time series statistics comparing DS472 humidity observations to paired

WRF humidity predictions in the 4 km MNA domain over the August 2001 episode
App. VI-iii-17

REFERENCES

Weather Research & Forecasting Model, (N.D.). Terrestrial data. Retrieved September 4,

2008, from WRF Users Page web site:

http://www.mmm.ucar.edu/wrf/users/download/get_source.html

University Corporation for Atmospheric Research, (N.D.). Large-scale meteorological

analysis field. Retrieved September 4, 2008, from GCIP NCEP Eta model output web site:

http://dss.ucar.edu/datasets/ds609.2/

Maricopa Association of Governments, (2007). Eight-Hour Ozone Plan for the Maricopa

Nonattainment Area.

Skamarock, W. C., (2004). Evaluating Mesoscale NWP Models Using Kinetic Energy

Spectra. Mon. Wea. Rev., 132, 3019-3032.
App. VI-iv-1

Appendix VI-iv

Performance Evaluations of CAMx and CMAQ

Using WRF Meteorology

Appendix VI-iv summarizes performance evaluations of CAMx and CMAQ using WRF

meteorology.
App. VI-iv-2

Performance Evaluation of CAMx/WRF

The meteorological data derived by WRF was converted to the CAMx compatible format

using the WRFCAMx preprocessor version 2.0 provided by ENVIRON. All parameters

applied for the WRFCAMx process are the same as used in the MM5CAMx process.

The CAMx/WRF configurations are the same as used in the CAMx/MM5 performance

evaluation. The operational statistics of one-hour and eight-hour ozone for each episode

are presented in Tables 1 and 2, respectively. The results show that the CAMx/WRF gives

a satisfactory performance for the June episode, but under-predicts for the July and August

episodes.

 The accuracy of unpaired peak ozone prediction is somewhat enhanced for the June and

July episodes by the WRF meteorology, but it is deteriorated for the August episode in

comparison with the CAMx/MM5 modeling. However, the other statistical metrics showed

opposite results. 

For the overall performance, the CAMx/MM5 is better than the CAMx/WRF for the June

and July episodes while the CAMx/WRF is better for the August 2001 episode. 
App. VI-iv-3

Table 1. Summary of the CAMx/WRF modeling statistical performance evaluation on the

one-hour ozone with a 60 ppb threshold

Unpaired Peak

Prediction Accuracy

(< ±20%)

Normalized Bias 

(< ±15%) 

Normalized Error

( < 35%)

June 2002

6/3 -21.8 -25.9 25.9

6/4 0.9 -2.4 10.3

6/5 5.1 12.6 16.4

6/6 4.1 4.9 8.3

July 2002

7/8 4.9 -7.5 14.5

7/9 -28.8 -32.7 32.9

7/10 -22.6 -27.2 28.7

7/11 -16.8 -22.8 23.9

7/12 -14.0 -15.4 20.4

7/13 -10.9 -14.8 17.4

August 2001

8/5 -29.0 -49.5 49.5

8/6 -21.4 -33.7 34.0

8/7 10.0 -12.2 14.3

8/8 40.4 -10.9 21.0

8/9 -19.5 -34.3 34.5

8/10 -21.4 -32.3 32.9
App. VI-iv-4

Table 2. Summary of the CAMx/WRF modeling statistical performance evaluation on the

eight-hour ozone with a 60 ppb threshold

Unpaired Peak

Prediction Accuracy

(< ±20%)

Normalized Bias 

(< ±15%) 

Normalized Error

( < 35%)

June 2002

6/3 -23.7 -21.6 21.7

6/4 1.8 0.9 8.2

6/5 3.5 14.8 16.3

6/6 1.7 6.2 8.9

July 2002

7/8 -0.7 -10.9 12.6

7/9 -28.7 -31.6 31.7

7/10 -24.3 -28.6 29.0

7/11 -11.1 -22.5 22.6

7/12 -11.4 -15.5 16.2

7/13 -3.9 -11.5 12.2

August 2001

8/5 -29.2 -48.4 48.4

8/6 -20.1 -32.1 32.1

8/7 0.8 -11.4 12.9

8/8 20.8 -7.6 15.4

8/9 -21.5 -34.2 34.3

8/10 -22.9 -32.4 32.4
App. VI-iv-5

Performance Evaluation of CMAQ/WRF

The WRF meteorology data were converted to the CMAQ compatible data format using the

EPA Models-3/Meteorology-Chemistry Interface Processor (MCIP) version 3.3. A couple

of more changes in the WRF meteorology data had to be made prior to the CMAQ

modeling. The first one is to change the way the nested domains are described. The central

longitudes and latitudes of nested domains for the MM5 modeling are virtually fixed at the

parent domain center, which renders asymmetric coordinates in nested domains if their real

domain centers are not coincident with the parent domain center. However, the central

longitudes and latitudes of nested domains for the WRF modeling are fixed at the real

domain centers, which results in symmetric coordinates. MCIP was modified to adjust the

WRF nested domains to be consistent with the MM5 nested domains in order to use

emissions data developed for the MM5 nested domains without any change. The other

modification is to add a function of reading land use data from the WRF terrain file, which

is required by the dry deposition algorithm and other schemes of CMAQ.

The configurations for the CMAQ/WRF modeling are the same as those for the

CMAQ/MM5 performance evaluation (see the Modeling Protocol of Appendix I-i). The

performance of CMAQ/WRF is similar to that of CMAQ/MM5. Tables 3 and 4 list the

operational statistics of one-hour and eight-hour ozone concentrations, respectively. The

performance of the CMAQ/WRF is satisfactory for the June episode, but under-predicts for

the July and August episodes. 

The performance of the CMAQ/WRF is generally better for the July and August episodes

than that of the CMAQ/MM5.
App. VI-iv-6

Table 3. Summary of the CMAQ/WRF modeling statistical performance evaluation on the

one-hour ozone with a 60 ppb threshold

Unpaired Peak

Prediction Accuracy

(< ±20%)

Normalized Bias 

(< ±15%) 

Normalized Error

( < 35%)

June 2002

6/3 -22.4 -22.9 23.0

6/4 -3.2 -3.1 10.8

6/5 8.8 18.2 20.3

6/6 9.6 14.3 15.3

July 2002

7/8 -1.2 -7.3 12.3

7/9 -34.7 -35.2 35.2

7/10 -26.3 -25.9 27.6

7/11 -26.4 -24.5 25.8

7/12 -22.1 -17.5 20.9

7/13 -4.0 -7.8 14.8

August 2001

8/5 -40.8 -52.8 52.8

8/6 -26.2 -33.5 33.7

8/7 -11.0 -14.0 16.0

8/8 22.8 -7.9 16.6

8/9 -22.4 -26.9 26.9

8/10 -18.9 -24.3 26.3
App. VI-iv-7

Table 4. Summary of the CMAQ/WRF modeling statistical performance evaluation on the

eight-hour ozone with a 60 ppb threshold

Unpaired Peak

Prediction Accuracy

(< ±20%)

Normalized Bias 

(< ±15%) 

Normalized Error

( < 35%)

June 2002

6/3 -25.7 -19.1 19.4

6/4 -6.1 -0.3 8.1

6/5 7.4 20.6 20.9

6/6 8.9 15.8 16.1

July 2002

7/8 -3.9 -8.4 10.1

7/9 -33.7 -33.4 33.4

7/10 -24.7 -26.7 27.3

7/11 -20.2 -23.6 23.7

7/12 -21.4 -16.5 17.4

7/13 2.5 -3.6 8.0

August 2001

8/5 -39.9 -51.9 51.9

8/6 -23.1 -31.8 31.9

8/7 -11.6 -12.9 13.6

8/8 11.8 -7.6 12.0

8/9 -20.6 -26.9 26.9

8/10 -18.2 -24.8 25.2
App. VI-v-1

Appendix VI-v

Maintenance Demonstration Using CAMx/WRF, CMAQ/MM5, and CMAQ/WRF

Appendix VI-v describes maintenance demonstration results using CAMx/WRF,

CMAQ/MM5, and CMAQ/WRF. The maintenance demonstration was conducted using the

EPA’s Modeled Attainment Test Software (MATS, Version 2.0.1) with the minimum

allowable threshold value at 70 ppb.
App. VI-v-2

Maintenance Demonstration Using CAMx/WRF

The estimated relative response factor (RRF) and future DV for each monitoring site are

listed in Table 1. The maximum future DV for monitoring sites for each episode is

highlighted in bold. The maximum future DVs in unmonitored area are listed at the end of

the table. As shown in Table 1, the maintenance of the eight-hour ozone standard in 2025

is demonstrated with the maximum future DVs below 85 ppb for all three episodes.

The maximum future DV of the June episode for monitoring sites is 81.1 ppb with a wide

margin of 4 ppb below the standard of 85 ppb. The unmonitored maximum is 80.8 ppb. The

monitoring site with the maximum future DV is North Phoenix (NP) site, which is the same

site as identified by CAMx with MM5. NP is also the site with the maximum baseline DV

in 2005. The difference of future DV with the CAMx run using MM5 meteorology is

generally within ±0.5 ppb. This suggests that the uncertainty introduced through the

meteorological input is small, which might be attributed to the good performance of both

MM5 and WRF for this episode (see Appendix IV).

The future maximum DVs of the July and August episodes are 1.7 and 3.1 ppb lower than

that projected in the June episode, similar to the CAMx/MM5 results. This is possibly

caused by a different pattern of regional transport and local production of ozone in each

episode. However, the difference of future DV between the CAMx/MM5 and CAMx/WRF

runs is as large as 1.9 ppb in the August episode, while there is no difference in the July

episode. By noting that the WRF performance was the poorest for the August episode, this

result suggests that the uncertainty of CAMx is introduced through meteorological input.
App. VI-v-3

Table 1. CAMx maintenance test results for monitored site and unmonitored area based

on WRF meteorology

Site Name Site ID AIRS

2005

Baseline

DV

(ppb)

June July August

RRF

2025

Future

DV (ppb) RRF

2025

Future

DV (ppb) RRF

2025

Future

DV (ppb)

Tonto NM TNM 40070010 80.3 0.9654 77.5 n/a n/a 0.9149 73.4

West Phoenix WP 40130019 73.3 0.9798 71.8 0.9607 70.4 0.9527 69.8

North Phoenix NP 40131004 82.7 0.9814 81.1 0.9607 79.4 0.9436 78.0

Falcon Field FF 40131010 75.3 0.9745 73.3 0.9279 69.8 0.9481 71.3

Glendale GL 40132001 76.7 0.9799 75.1 0.9603 73.6 0.9562 73.3

Pinnacle Peak PP 40132005 77.0 0.9699 74.6 0.9375 72.1 0.9458 72.8

Central Phoenix CP 40133002 75.7 0.9800 74.1 0.9546 72.2 0.9341 70.7

South Scottsdale SS 40133003 76.7 0.9791 75.0 0.9457 72.5 0.9545 73.2

South Phoenix SP 40134003 72.7 0.9813 71.3 0.9590 69.7 0.9519 69.2

West Chandler WC 40134004 75.0 0.9771 73.2 0.9144 68.5 0.9579 71.8

Tempe TEMP 40134005 75.7 0.9805 74.2 0.9475 71.7 0.9491 71.8

Cave Creek CC 40134008 79.3 0.9667 76.6 0.9379 74.3 0.9495 75.2

Dysart DY 40134010 67.3 0.9684 65.1 0.9445 63.5 0.9365 63.0

Buckeye BE 40134011 64.0 0.9705 62.1 0.9454 60.5 n/a n/a

Laveen LV 40137003 70.0 0.9757 68.2 0.9438 66.0 n/a n/a

Humboldt Mountain HM 40139508 82.0 0.9606 78.7 0.8922 73.1 0.9234 75.7

Blue Point BP 40139702 73.0 0.9737 71.0 0.9082 66.2 0.9391 68.5

Fountain Hills FH 40139704 82.0 0.9701 79.5 0.9242 75.7 0.9398 77.0

Rio Verde RV 40139706 81.7 0.9675 79.0 0.9254 75.6 0.9298 75.9

Super Site SUPR 40139997 74.7 0.9780 73.0 0.9598 71.6 0.9488 70.8

Apache Junction AJ 40213001 72.7 0.9711 70.5 0.9095 66.1 0.9488 68.9

Casa Grande CG 40213003 71.0 0.9647 68.4 n/a n/a n/a n/a

Queen Creek QC 40213009 65.3 0.9706 63.3 0.9101 59.4 0.9147 59.7

Maricopa MCPA 40213010 64.0 0.9676 61.9 n/a n/a n/a n/a

Sacaton SAC 40217001 70.7 0.9666 68.3 0.9018 63.7 n/a n/a

Queen Valley QV 40218001 80.0 0.9743 77.9 0.9008 72.0 0.9259 74.0

Unmonitored Area Analysis (Max) 79.8 ppb 77.8 ppb 80.8 ppb
App. VI-v-4

Maintenance Demonstration Using CMAQ/MM5

The estimated RRF and future DV for each monitoring sites are listed in Table 2. The

maximum future DV among monitoring sites is highlighted in bold, and the maximum

projected future DV in the unmonitored area are listed at the end of the table. As shown in

Table 2, the maintenance of the eight-hour ozone standard in 2025 was confirmed by

CMAQ/MM5 modeling: the future DVs of all three episodes are below 85 ppb.

The maximum future DV of the June episode among all monitoring sites is 79.1 ppb, with

a wide margin of 6 ppb below the standard of 85 ppb. The unmonitored maximum is 79.3

ppb. The monitoring site with the maximum future DV is North Phoenix (NP) site, which is

the same as the one identified by CAMx. The future DVs derived by CMAQ are generally

1-2 ppb lower than those derived by CAMx, while the maximum future DV of CMAQ is 1.9

ppb lower than the CAMx. This suggests that the uncertainty introduced by an air quality

model is larger than that introduced by a meteorological model MM5 or WRF (e.g., ±0.5

ppb).

The future maximum DVs projected in the July and August episodes are 77.3 ppb and 76.6

ppb, which are 1.8 and 2.5 ppb lower than the one projected in the June episode,

respectively. This is similar to the predictions by the CAMx/MM5 run. The monitoring site

with the maximum future DV shifted to the Fountain Hills (FH) site from the North Phoenix

(NP) site. 
App. VI-v-5

Table 2. CMAQ maintenance test results for monitored site and unmonitored area based

on MM5 meteorology

Site Name Site ID AIRS

2005

Baseline

DV

(ppb)

June July August

RRF

2025

Future

DV (ppb) RRF

2025

Future

DV (ppb) RRF

2025

Future

DV (ppb)

Tonto NM TNM 40070010 80.3 0.9537 76.5 n/a n/a n/a n/a

West Phoenix WP 40130019 73.3 0.9572 70.1 0.9211 67.5 n/a n/a

North Phoenix NP 40131004 82.7 0.9565 79.1 0.9298 76.8 0.9002 74.4

Falcon Field FF 40131010 75.3 0.9596 72.2 0.9512 71.6 0.9679 72.8

Glendale GL 40132001 76.7 0.9567 73.3 0.9215 70.6 n/a n/a

Pinnacle Peak PP 40132005 77.0 0.9547 73.5 0.9382 72.2 0.9232 71.0

Central Phoenix CP 40133002 75.7 0.9610 72.7 0.9322 70.5 n/a n/a

South Scottsdale SS 40133003 76.7 0.9623 73.8 0.9515 72.9 n/a n/a

South Phoenix SP 40134003 72.7 0.9593 69.7 0.9212 66.9 n/a n/a

West Chandler WC 40134004 75.0 0.9600 72.0 0.9407 70.5 n/a n/a

Tempe TEMP 40134005 75.7 0.9631 72.9 0.9520 72.0 n/a n/a

Cave Creek CC 40134008 79.3 0.9514 75.4 0.9372 74.3 0.8980 71.2

Dysart DY 40134010 67.3 0.9577 64.4 0.9441 63.5 n/a n/a

Buckeye BE 40134011 64.0 0.9628 61.6 n/a n/a n/a n/a

Laveen LV 40137003 70.0 0.9565 66.9 n/a n/a n/a n/a

Humboldt Mountain HM 40139508 82.0 0.9484 77.7 0.9177 75.2 n/a n/a

Blue Point BP 40139702 73.0 0.9579 69.9 0.9475 69.1 0.9726 70.9

Fountain Hills FH 40139704 82.0 0.9596 78.6 0.9439 77.3 0.9349 76.6

Rio Verde RV 40139706 81.7 0.9557 78.0 0.9424 76.9 0.9316 76.1

Super Site SUPR 40139997 74.7 0.9593 71.6 0.9398 70.2 n/a n/a

Apache Junction AJ 40213001 72.7 0.9601 69.7 0.9348 67.9 0.9679 70.3

Casa Grande CG 40213003 71.0 0.9517 67.5 n/a n/a n/a n/a

Queen Creek QC 40213009 65.3 0.9548 62.3 0.9287 60.6 n/a n/a

Maricopa MCPA 40213010 64.0 0.9537 61.0 n/a n/a n/a n/a

Sacaton SAC 40217001 70.7 0.9425 66.6 0.8906 62.9 n/a n/a

Queen Valley QV 40218001 80.0 0.9565 76.5 0.9133 73.0 n/a n/a

Unmonitored Area Analysis (Max) 79.3 ppb 79.1 ppb 80.0 ppb
App. VI-v-6

Maintenance Demonstration Using CMAQ/WRF

The RRF and future DV for each monitoring sites derived by the CMAQ and WRF

meteorology are listed in Table 3. The maintenance of the eight-hour ozone standard in

2025 is demonstrated with the CMAQ/WRF runs. The maximum future DV of the June

episode for all monitoring sites is 79.3 ppb, with a wide margin of 6 ppb below the standard

of 85 ppb. The maximum future DV in the unmonitored area is 78.9 ppb. The monitoring

site with the maximum future DV is the NP site.

The future DV for the July episode is 1.5 ppb lower than that of the June episode, and 5.1

ppb lower than that of the August episodes due to the different pattern of regional transport

and local production of ozone. 

The difference of future DVs between the CMAQ/MM5 and CMAQ/WRF is relatively small,

which indicates that the uncertainty introduced through the meteorological input is small for

all three episodes.
App. VI-v-7

Table 3. CMAQ maintenance test results for monitored sites and unmonitored area based

on WRF meteorology

Site Name Site ID AIRS

2005

Baseline

DV

(ppb)

June July August

RRF

2025

Future

DV (ppb) RRF

2025

Future

DV (ppb) RRF

2025

Future

DV (ppb)

Tonto NM TNM 40070010 80.3 0.9458 75.9 0.8761 70.3 0.8901 71.4

West Phoenix WP 40130019 73.3 0.9596 70.3 0.9361 68.6 0.9089 66.6

North Phoenix NP 40131004 82.7 0.9590 79.3 0.9409 77.8 0.8982 74.2

Falcon Field FF 40131010 75.3 0.9598 72.2 0.9208 69.3 0.8930 67.2

Glendale GL 40132001 76.7 0.9562 73.3 0.9345 71.6 0.8953 68.6

Pinnacle Peak PP 40132005 77.0 0.9547 73.5 0.9239 71.1 0.9060 69.7

Central Phoenix CP 40133002 75.7 0.9638 72.9 0.9294 70.3 0.9233 69.8

South Scottsdale SS 40133003 76.7 0.9631 73.8 0.9346 71.6 0.9006 69.0

South Phoenix SP 40134003 72.7 0.9590 69.7 0.9293 67.5 0.8778 63.8

West Chandler WC 40134004 75.0 0.9587 71.9 0.9265 69.4 0.8872 66.5

Tempe TEMP 40134005 75.7 0.9647 73.0 0.9186 69.5 0.8969 67.8

Cave Creek CC 40134008 79.3 0.9503 75.3 0.9236 73.2 0.9051 71.7

Dysart DY 40134010 67.3 0.9552 64.2 0.9180 61.7 0.8757 58.9

Buckeye BE 40134011 64.0 0.9596 61.4 n/a n/a n/a n/a

Laveen LV 40137003 70.0 0.9557 66.8 0.9311 65.1 n/a n/a

Humboldt Mountain HM 40139508 82.0 0.9473 77.6 0.8769 71.9 0.8740 71.6

Blue Point BP 40139702 73.0 0.9592 70.0 0.9053 66.0 0.9031 65.9

Fountain Hills FH 40139704 82.0 0.9596 78.6 0.9290 76.1 0.8987 73.6

Rio Verde RV 40139706 81.7 0.9573 78.2 0.9129 74.5 0.8979 73.3

Super Site SUPR 40139997 74.7 0.9600 71.7 0.9306 69.5 0.8919 66.6

Apache Junction AJ 40213001 72.7 0.9610 69.8 0.9064 65.8 0.8931 64.9

Casa Grande CG 40213003 71.0 0.9500 67.4 0.8885 63.0 0.8046 57.1

Queen Creek QC 40213009 65.3 0.9541 62.3 0.9172 59.8 0.8403 54.8

Maricopa MCPA 40213010 64.0 0.9521 60.9 0.8955 57.3 n/a n/a

Sacaton SAC 40217001 70.7 0.9458 66.8 0.8825 62.3 0.8393 59.3

Queen Valley QV 40218001 80.0 0.9577 76.6 0.9075 72.6 0.8897 71.1

Unmonitored Area Analysis (Max) 78.9 ppb 75.3 ppb 75.4 ppb
APPENDIX VII

CONCLUSIONS
App. VII-1

Section VII does not have appendix.
RESPONSES TO COMMENTS 
1

MAG Responses to Comments on the Draft Technical Support Document for 

Ozone Modeling in Support of the Eight-Hour Ozone Redesignation Request and 

Maintenance Plan for the Maricopa Nonattainment Area 

 

Comments received from EPA in an email from Wienke Tax

Dated November 24, 2008

Comments on Maintenance Plan in General 

1. Comment: On page ES-1, first bullet under Clean Air Act requirements - it is not a 

requirement of the CAA for redesignation that we approve the June 2007 Eight Hour 

Ozone Attainment Plan. I would recommend deleting this bullet. (We will consider 

this plan when we act on the maintenance plan, but may not need to approve the 

entire plan in order to redesignate the area.) 

 

Response: The bullet has been deleted. 

2. Comment: Where you mention Section 110, I would always add "of the Clean Air 

Act" to avoid confusion. It appears on page 1-5 in the first full paragraph, and again 

on page 2-8, 3rd paragraph from the bottom. (There are other references to Section 

110 in the plan, but they included "of the CAA".) 

Response: These additions have been made.

3. Comment: To avoid confusion on the part of the public, I would add some text prior 

to Tables 2-1, 2-2, and 2-3 explaining the 8-hour ozone standard, fourth highest high 

averaged over 3 years. If you don't know how the standard is calculated, it appears 

that 3 monitors violated in 2005 and 1 in 2006. 

Response: MAG added the following text to Page 2-2 of the Maintenance Plan: 

“Tables 2-1 through 2-4 show the four highest eight-hour ozone concentrations at 

each monitor for the years 2005 through 2008, respectively. A violation of the 

standard occurs when the fourth-highest value at each monitor, averaged over three 

consecutive years, is 0.085 ppm or higher.” 

Comments on Modeling 

1. Comment: The modeling analyses presented in the draft appear to be more than 

adequate for support of the maintenance demonstration, and to address the 

expanded scope of analysis described in EPA's "Guidance on the Use of Models 

and Other Analyses for Demonstrating Attainment of Air Quality Goals for Ozone, 

PM2.5, and Regional Haze", EPA-454/B-07-002, April 2007. However, EPA believes 

the document and the maintenance demonstration could be strengthened by the 

inclusion of additional text relating to conclusions reached from the supplemental 
2

analyses described in draft TSD sections VI-2 on Process Analysis, VI-3 

"Photochemical Source Apportionment", and VI-4 "Decoupled Direct Method" (pages 

VI-I through VI-22, or 163-184 in PDF file). Each of these sections describes results 

of analyses that are helpful for understanding the ozone episodes modeled, and in 

some cases, how they are likely to respond to controls. The EPA guidance 

document, at section 7.0 recommends "additional analyses that.... enhance the 

assessment of whether the planned emissions reductions will result in attainment. ... 

States should review these supplemental analyses, in combination with the modeling 

analysis, in a 'weight of evidence' assessment of whether each area is likely to 

achieve timely attainment." In keeping with these goals of supplemental analyses, 

EPA recommends that MAG review the results of the analyses presented, and 

briefly summarize how each supports the results of the maintenance demonstration 

modeling. That is note, results that support the conclusion of continued NAAQS 

maintenance, and if possible, results that corroborate the qualitative features of the 

model's response to controls and of the conceptual model of ozone formation in the 

area. This text might be added to these sections, or possibly included under Weight 

of Evidence. 

 Response: The following text has been added at the end of each analysis: 

Chemical Process Analysis - “The CPA results indicate that anthropogenic 

emissions affected the maintenance of the eight-hour ozone standard inside and 

outside the urban plume in the following way: NOx emission reductions from onroad 

and nonroad sources appear to contribute to a decline in ozone concentrations 

outside the urban plume, while VOC emission decreases from onroad and nonroad 

sources and NOx emission increases from point sources seem to contribute to a 

decline in ozone concentrations inside the urban plume.” 

Photochemical Source Apportionment – “The results of the photochemical source 

apportionment analysis show that the NOx contribution to high ozone concentrations

is greater than the VOC contribution, onroad mobile sources are the major 

contributor among anthropogenic emission sources, and the impact of both local and 

boundary emissions on local ozone concentrations is substantial. Therefore, NOx 

control outside the urban plume, onroad emission controls, and the implementation 

of federal, state, and local government emission control programs all contribute to

maintaining the eight-hour ozone standard in 2025.” 

Decoupled Direct Model – “The DDM analysis reveals that the ozone formation over 

the MNA is significantly influenced by the boundary condition transported from the 

north side in the June episode. This result supports that anthropogenic VOC and 

NOx emission reductions at the boundaries contributed to the maintenance of the 

eight-hour ozone standard in 2025.” 
3

2. Comment: An additional minor point is that draft TSD section VI-2 (page VI-3, or 

165 in PDF file) describing Chemical Process Analysis (CPA) is labeled "indicator 

species". As used in EPA guidance the document and elsewhere, this term refers to 

measured species, rather than modeled. In the absence of modeling, or for 

comparison with modeling, such ratios can indicate the degree to which ozone 

formation is NOx-limited or NOx-saturated. Since this is not the type of analysis 

described in this section, EPA suggests a title of "Process Analysis" or something 

comparable. A similar comment would apply to most other uses of "indicator 

species" in the document. 

 Response: This correction has been made. 
4

Comments received from the Arizona Department of Environmental Quality in a 

letter from Steven E. Peplau dated November 25, 2008

Emissions 

1. Comment: In the 2005 modeling, the onroad NOx emissions showed a decrease of 

9% from June to August (2005), and in the 2025 modeling, the onroad emissions 

showed a decrease of 5% from June to August (2025). One would expect the 

summer traffic numbers to be somewhat constant from June to August, as shown by 

the onroad VOC emissions for the same three-month period. This expectation is also 

reflected in the modeled VOC emissions, which increased by 1% from June to 

August (2005), and increased by 2% from June to August (2025). Please explain 

why NOx is decreasing for the time periods. 

Response: Both temperature and humidity affect onroad VOC and NOx emissions. 

When the temperature is higher, more VOC evaporation occurs, while higher 

humidity lowers NOx emissions (ENVIRON, 2003). MAG employed day-specific 

temperature and relative humidity to run MOBILE6 in developing the daily onroad 

emissions. Temperature and relative humidity in August are generally higher than 

those in June. For example, the maximum temperature and relative humidity at the 

Supersite were 91.0 F and 51.1% on June 3, 2005, and 103.5 F and 61.4% on 

August 6, 2005. Therefore, higher temperature and relative humidity on August 6, 

2005 contributed to higher evaporative VOC emissions and lower NOx emissions in 

comparison with those emissions on June 3, 2005. 

 

2. Comment: We have compared the current document with MAG’s previous Ozone 

Study “Eight-Hour Ozone Plan for the Maricopa Nonattainment Area” (June 2007) 

and have found several important differences: 

The emission ranges for the June 2007 report graphs (August 24, 1999) and the 

November 2008 report graphs (June, July and August 2005) are listed below. It 

would be helpful if the ranges could be standardized for these cases. 

2007 2008 2007 2008

NOx VOC

0 - 1 2 - 50 0 - 1 41 - 50

2 - 250 51 - 200 2 - 250 51 - 200

251 - 500 201 - 600 251 - 500 201 - 600

501 - 1000 601 - 1200 501 - 750 601 - 1200

1001 - 1497 1201 - 5045 751 - 970 1200 - 5295
5

Response: MAG provided emission density plots for August 24, 1999 in the OneHour Ozone Maintenance Plan (March 2004), for the August 2001 and June and 

July 2002 episodes in the Eight-Hour Ozone Plan (June 2007), and for the June, 

July, and August 2005 episodes in the Eight-Hour Ozone Maintenance Plan 

(November 2008). These emission density plots were presented to verify the 

robustness and accuracy of the spatial allocation of emissions, to identify the 

locations of high emissions, and to investigate the spatial relationship between 

emissions and ozone predictions. Consistent ranges for the emission density plots 

were used in the spatial comparison of the baseline and future year emissions in 

each plan. However, the application of the same emission ranges to the emission 

density plots across different ozone plans and years levels out the distinctive spatial 

emission distributions of sources which are typical of each plan. This is the reason 

that the same emission ranges were not used for the emission density plots in the 

different ozone plans. 

3. Comment: In the Base Case (August 24, 1999) MAG provides graphs for Onroad 

(VOC and NOx) and Background (VOC and NOx), while in the current document 

(Nov 2008) there are three graphs for Onroad (VOC and NOx), Anthropogenic (VOC 

and NOx), and a third category of all sources (VOC and NOx). 

Response: In developing the 8-hour ozone attainment and maintenance plans 

(June 2007 and November 2008), it was found that the emission density plots for the 

Background category were of limited use because the Background category includes 

emissions from point, area, and nonroad sources, but not onroad and biogenic 

sources. The emission density plots for the Background category were replaced with 

emissions density plots for the Anthropogenic category (all man-made source 

emissions such as point, area, onroad, and nonroad sources, but not biogenic 

sources) and the All Sources category (all emission sources including biogenic 

sources) because comparison of the emission density plots for these two categories 

allows the impact of biogenic sources to be evaluated.

4. Comment: The lack of consistency between the two modeled years, 1999 and 2008, 

reduces the ability to show the trends in Ozone precursors (VOC and NOx) between 

modeling years or to make any significant conclusions concerning Ozone hot spots. 

It definitely reduces the usefulness of the emission inventory and modeling data. 

Response: MAG conducted the one-hour ozone maintenance modeling 

demonstration for the August episode of 1999 (e.g., August 24, 1999), while the 

eight-hour ozone maintenance modeling demonstration was based on baseline 

(2005) and future (2025) year emissions. The eight-hour ozone maintenance 

modeling performed in 2008 is different from the one-hour ozone maintenance 

modeling conducted in 2004 in terms of models (e.g., MAGBEIS2 vs. MEGAN, 

EPS2 vs. EPS3, UAM-IV vs. CAMx, etc.), assumptions, input data, modeling domain, 

EPA modeling guidelines, etc. For example, the latest biogenic models (e.g., 

MEGAN or GloBEIS) estimate substantially higher VOC emissions than the older 

version of biogenic models (e.g., MAGBEIS2 or BEIS2). Therefore, ozone precursor 
6

emissions developed with different versions of models or input data may not show 

any consistent emission trends between modeling years due to the aforementioned 

differences. 

MOBILE6 Modeling 

1. Comment: MAG used MOBILE6 default diesel fractions, documented in a MOBILE6 

technical document written in 2001 (Fleet Characterization Date for MOBILE6: 

Development and Use of Age Distribution, Average Annual Mileage Accumulation 

Rates, and Projected Vehicle Counts for Use in MOBILE6, EPA, September 2001). 

Those numbers were derived from a study conducted in 1996. The 1996 data seems 

outdated. ADEQ suggests the ADOT local registration data be compared with the 

MOBILE6 defaults as a check on the validity of this set of assumptions. 

Response: MAG did test locality-specific diesel fractions derived from the vehicle 

registration data of Maricopa County for MOBILE6 runs. Use of these diesel 

fractions derived from the local registration data resulted in an extraordinarily high 

VMT distribution of Light Duty Diesel Vehicles (LDDVs) and Light Duty Diesel Trucks 

(LDDTs) on highways and arterials. For example, in January 2008, the vehicle 

registration data for Maricopa County indicate a total of 53,795 vehicles registered 

as LDDVs and LDDTs, and 59,540 vehicles registered as Heavy Duty Diesel 

Vehicles (HDDVs). Using the diesel fractions derived from the vehicle registration 

data for Maricopa County resulted in a 22% VMT distribution of LDDVs and LDDTs 

on freeways and arterials. In comparison, the MOBILE6 default diesel fractions 

provide only a 2% VMT distribution of LDDVs and LDDTs to the total VMT 

distribution of diesel vehicles. This is the reason that MAG used the national diesel 

fraction data, provided as the default values in MOBILE6, instead of local diesel 

fraction data, which was highly unrealistic. 

2. Comment: For committed measure #2, MAG showed a table demonstrating the cut 

points for LDGV, LDGT1 and LDGT2 (App. IV-xv-5). According to VEI, the cut 

points shown in this table are actually for LDGV, LDGT1+LDGT2, and 

LDGT3+LDGT4. MAG also mentioned that LDGV cut points were used in block 1, 

LDGT1 in block 2 and LDGT2 in block 3. However, MOBILE6's definition of vehicle 

blocks is different from ADEQ. MOBILE6 requires the cut points of LDGV and 

LDGT1 in block 1, those of LDGT2 and LDGT3 in block2, and those of LDGT4 in 

block 4. EPA suggested multiple runs to be performed and results merged to solve 

this problem. 

Response: Since MOBILE6 does not simulate Arizona’s IM147 test, ADEQ provided 

the methodology to model the IM147 test using the IM240 program parameters of 

MOBILE6 in ADEQ’s memorandum to MAG on May 28, 2001. The cutpoints 

described on App. IV-xv-5 are based on the memo and cutpoint file ADEQ provided. 

The memo indicated that "IM147 test went into effect in Maricopa County in January 

2000. Research conducted to develop the test, however, shows that the IM147 test 
7

has nearly the same ability to identify excess emissions as the IM240 test. The 

IM147 test provides 97.9% of the benefit of the IM240 test with final cutpoints for CO, 

85.6% for HC, and 77.5% for NOx. The MOBILE6 Users Guide states that four 

blocks of 75 cutpoints are required. Note that there is not testing of heavy-duty gas 

vehicles in IM147; these vehicles are only required to take a loaded/idle and antitampering test. Consequently, the values entered in this fourth block are of no 

consequence. The third block - for light-duty gas trucks #4 - can take its cutpoints 

from the LDGT2 of the attached table. The first and second blocks, however, are 

impossible to map accurately into the cutpoints now in effect. The first block requires 

a single set of cutpoints for both light-duty gas vehicles and light-duty truck #1, but 

the cutpoints of the present IM147 treat these two groups separately. I would 

recommend that the first block take its values from the LDGV cutpoints and the 

second block from the LDGT1 cutpoints.” If the instructions in ADEQ’s memo are no 

longer valid, please provide MAG with I/M cutpoint data and an official memo which 

describes the new modeling methodology for IM147. The new methodology will be 

used in future ozone modeling. 

Photochemical Modeling 

Modeled Episodes

1. Comment: The EPA Guidance on the Use of Models and Other Analyses for 

Demonstrating Attainment of Air Quality Goals for Ozone, PM2.5 and Regional Haze

(EPA Guidance) (EPA, 2007) recommends that “at a minimum...modeling ‘longer’ 

episodes that encompass full synoptic cycles. Time periods which include a ramp-up 

to a high ozone period and a ramp-down to cleaner conditions allow for a more 

complete evaluation of model performance under a variety of meteorological 

conditions (Page 140).” This recommendation is intended to improve the modeling 

performance evaluation for ozone modeling. It seems that none of the three ozone 

episodes include a complete synoptic cycle, and no ramp-down days were modeled. 

The current modeling performance evaluation shows that the model consistently 

underestimated ozone concentrations when local production plays a major role. This 

indicates systematic deficiencies in the modeling system, possibly due to the 

meteorological modeling or the transport modeling, or both. Therefore, including 

ramp-down days in the modeling may help to diagnose the underestimated ozone 

concentrations, since the ramp-down days may represent a shift in the 

meteorological system or in a chemical processes. Please clarify whether MAG has 

looked at modeling performance or plan to further evaluate modeling performance 

during ramp-down days. 

Response: The three ozone episodes used for the model performance evaluation 

were selected through extensive research of the data for the five ozone seasons 

(2000 to 2004) by following EPA’s modeling guidance (See Attachments II and III of 

the Eight-Hour Ozone Plan). ENVIRON conducted numerous MM5 modeling 
8

analyses with observed meteorology to derive the best meteorological data for 

CAMx modeling for the three episodes (See Appendix III of the Eight-Hour Ozone 

Plan). In addition, the three ozone episodes reflect ramp-up and ramp-down 

conditions of monitoring sites. Since EPA approved the three ozone episodes for 

use in the eight-hour ozone maintenance demonstration, new analyses will not be 

conducted to revise the three episodes or add more ramp-down days in the EightHour Ozone Maintenance Plan. However, MAG will consider ADEQ’s suggestion in 

the development of future attainment or maintenance plans for the 2008 eight-hour 

ozone standard of 0.075 ppm. 

Modeling Performance Evaluation (MPE) Statistics

1. Comment: The EPA Guidance suggests that “as appropriate, States/Tribes should 

aggregate the raw statistical results into meaningful groups of sub-regions or subperiods (page 199).” MAG conducted MPE for all monitors as a whole; however, 

more detailed examination of these sites indicates that they could well fell into at 

least two subgroups: (a) urban Phoenix sites, and (b) “suburban or more distant 

sites”. 

Table V-1 shows that almost all of the ozone monitors that show the highest design 

values (ranked 1 through 7) are located outside the Phoenix urban area, except for 

the North Phoenix site (ranked 1). When further compared with Figure III-1 (CPA 

results), we see that all of these sites (except for North Phoenix) are at the edge or 

completely outside of the urban plume, such as Humboldt Mountain, Tonto and Rio 

Verde. The diurnal variations of ozone at these sites are also distinctly different from 

those at the Phoenix urban area: (1) the diurnal variation is much weaker, and (2) 

nighttime ozone concentrations are much higher (are above 50 ppb at some sites) 

(MAG Office Memorandum from Huiyan Yang etc. on February 22, 2008), included 

in Appendix I/Attachment III). These differences suggest that the ozone cycles at 

these two groups of sites are controlled by different factors. During high ozone days, 

the urban Phoenix sites are likely to be controlled more by local production, while the 

“suburban sites” are likely to be controlled by background ozone in addition to 

weaker ozone production. 

ADEQ suggests examining the monitoring sites and grouping them according to their 

characteristics and then applying MPE to each subgroup. This may help to identify 

the strength and weakness of the modeling for a variety of processes contributing to 

peak ozone. Evaluations of this nature may be helpful with the future ozone plan for 

the new lower standard. This would be particularly useful, since the more distant 

sites such as Humboldt Mountain and Rio Verde are often recording higher ozone 

values than the urban sites, indicating the elevated contribution of background 

ozone. 
9

Response: MAG conducted additional MPE for two subgroups (urban and suburban 

sites) for each episode. The new MPE results by subgroup are provided in Appendix 

III-i 

Chemical Process Analysis (CPA)

1. Comment: A CPA was only conducted for the June 2002 episode. This is an 

episode dominated by transport; however, one of the primary goals of CPA is to 

identify the strength and controlling species for photochemical ozone formation. It 

may be more appropriate to conduct CPA for the July 2002 episode when local 

ozone formation is the dominant contributor. Please explain why CPA results are 

shown for noon time if ozone peak concentrations often occur in middle to late 

afternoon. 

Response: MAG conducted additional CPAs for the July and August episodes and 

these results are provided in Appendix VI-ii. CPA results are shown for noon time 

because modeled ozone production rates were high in many areas at noon. 

Modeled Ozone Spatial Distribution

1. Comment: The “Absolute Model Forecasts” in Section VI tabulated the modeled 

highest grid ozone concentrations. A contour map of future ozone generated by the 

MATS is also presented later in the TSD. In addition, MAG should provide modeled 

gridded ozone concentration maps for the baseline and future years. These maps 

will provide a clear visualization of the ozone distribution under the baseline and 

future conditions, identifying any “hot spots” and showing the “improvement area”. 

Although the absolute modeled level of ozone should not be deemed as 

representative for actual ozone distribution, the model does provide a fairly accurate 

representation of the spatial distribution (high vs. low areas). For a better 

understanding of the ozone cycle, MAG may also want to provide gridded ozone 

maps for the nighttime. 

Response: Maximum and minimum modeled ozone tile plots for each episode of 

the baseline and future years are provided in Appendix VI-i. 

Underestimating Ozone

1. Comment: The statistical MPE results show that CAMx consistently underestimates 

peak ozone when local production plays a major role (July 2002 and August 2001 

episodes). Results for two of the three episodes are outside of the EPA 

recommended range. ADEQ suggests that MAG compare its modeling work other 

similar modeling work to try to determine why MAG’s modeling often under-predicts 

ozone. 
10

Response: MAG had performed an extensive number of CAMx/MM5 simulations, 

with assistance of ENVIRON, to derive the best CAMx/MM5 model performance for 

the three episodes, as shown in the 2007 Eight-Hour Ozone Plan. In addition, 

numerous model performance tests, with different combinations of air quality and 

meteorological models (e.g., CAMx/MM5, CAMx/WRF, CMAQ/MM5, and 

CMAQ/WRF) were carried out in the 2008 Eight-Hour Ozone Maintenance Plan to 

find uncertainty in model performance. These results indicate that the performance 

of different air quality and meteorological models are similar to the performance of 

CAMx/MM5. 

Numerous air quality studies have compared measured and simulated ozone 

concentrations: under-predictions of ozone have been commonly reported in these 

studies (Jinyou Liang, 2004). Gopal Sistla, et al. (Gopal Sistla, 2001) suggested the 

need for improvement in the treatment of the physical and chemical processes of the 

air quality modeling system to improve the model performance. A number of studies 

have suggested the improvement in the emissions and meteorological modeling 

system as well (Jhumoor Biswas, 2001). Steven Reynolds, et al. (Steven Reynolds, 

2003) pointed out that developing all required inputs to the model with sufficient 

accuracy is a challenge. EPA modeling guidance (EPA, 2007) also indicates that 

model estimates will not perfectly predict the observed air quality due to uncertainty 

in meteorological or other input data base limitations and/or an incomplete 

representation of the model’s physiochemical processes. 

MAG continues to strive to improve model performance for on-going and future air 

quality modeling. Specific technical suggestions for this purpose will be welcomed. 

Sensitivity Tests

1. Comment: One conclusion of the modeling analysis is that “the region of greatest 

ozone production in the urban plume are VOC-sensitive”, meaning that adding 

VOCs will result in an ozone increase and reducing VOCs will result in an ozone 

decrease (Page III-23). The Decoupled Direct Method results, in contrast, show that 

when zeroing-out (reducing to zero) Maricopa County biogenic emissions (mainly 

VOCs), ozone concentration would be increased (as shown in Figure VI-8 (a)). DDM 

results also shown that zeroing out Maricopa County onroad emissions (mainly NOx) 

resulted in lower ozone concentrations in the northern Phoenix area (blue areas in 

Figure VI-8 (b)). These results seem to contradict to the abovementioned conclusion. 

Please clarify how VOC and NOx emissions are expected to impact ozone formation 

in the urban Phoenix area. Also, considering the non-linearity between ozone 

precursors (VOC and NOx) and ozone formation, it may not be appropriate to zeroout emissions. It may be more reasonable to scale down emissions, rather than 

zeroing out emissions, for modeling sensitivity tests. 

Response: The ozone sensitivity plots from the Decoupled Direct Method results, 

shown in Figures VI-7 through VI-12, indicate that ozone concentrations are 
11

equivalent to the subtraction of zeroing-out results from future year results. Positive 

values in these plots mean that ozone concentrations decrease when certain 

emission sources are removed (zeroed-out). Therefore, this conclusion agrees with 

the DDM results. 
12

Comment received from Jo Crumbaker of Maricopa County Air Quality

Department dated November 12, 2008

1. Comment: Jo Crumbaker asked about the locations of the maximum future design 

values obtained from the unmonitored area analysis at the Air Quality Planning 

Team meeting. 

Response: The following email was sent to Jo on November 12, 2008. ______________________________________________ 

 From: Taejoo Shin 

 Sent: Wednesday, November 12, 2008 5:03 PM 

 To: Jo Crumbaker - AQDX 

 Subject: Your question on the locations of the maximum future design values for unmonitored area... 

 Hi Jo, 

 For your question at the Air Quality Planning Team meeting, we have investigated 

 the unmonitored locations which have the 2025 peak design values. 

 The unmonitored locations of the peak design values are: 

 The June episode: 81 ppb of the maximum 2025 design value was located 

 around the north-east boundary of Maricopa County (Tonto National Forest). 

 The July and August episodes: 79 ppb for the July episode and 83 ppb for the August 

 episode was located in the area between North Phoenix and Pinnacle Peak monitoring sites. 

 Taejoo 
13

References 

EPA, 2007. “Guidance on the Use of Models and Other Analyses for Demonstrating 

Attainment of Air Quality Goals for Ozone, PM2.5, and Regional Haze”, EPA-454/B-07-

002, April 2007. 

ENVIRON, 2003. “Humidity and Temperature Correction Factors for NOx Emissions 

from Spark Ignited Engines”, ENVIRON International Corporation, October 2003, Final 

Report, SwRI Project No. 03.10038. 

Gopal Sistla, Kevin Civerolo, Winston Hao, and S. Trivikrama Rao, 2001. “A 

Comparison of Measured and Simulated Ozone Concentrations in Rural Areas of the 

Eastern United States during Summer 1995”, Journal of the Air & Waste Management 

Association, Vol. 51, pg. 374 – 386, March 2001. 

Jhumoor Biswas and S. Trivikrama Rao, 2001. “Uncertainties in Episodic Ozone 

Modeling Stemming from Uncertainties in the Meteorological Fields”, Journal of Applied 

Meteorology, Vol. 40, pg. 117 – 136, February 2001. 

Jinyou Liang, Philip T. Martien, Su-Tzai Soong, and Saffet Tanrikulu, 2004. “A 

Photochemical Model Comparison Study: CAMx and CMAQ Performance in Central 

California”, 13th Conference on the Applications of Air Pollution Meteorology with the Air 

and Waste Management Association, August 2004. 

Steven D. Reynolds, Charles L. Blanchard, and Stephen D. Ziman, 2003. 

“Understanding the Effectiveness of Precursor Reductions in Lowering 8-Hr Ozone 

Concentrations”, Journal of the Air & Waste Management Association, Vol. 53, pg. 195 

– 205, February 2003. 
 

APPENDIX B
APPENDIX B

EXHIBIT 1:

Public Hearing Process Documentation
CERTIFICATION OF HOLDING OF PUBLIC HEARING ON THE
 

MAG EIGHT-HOUR OZONE REDESIG'NATION REQUEST AND
 

MAINTENANCE PLAN FOR THE MARICOPA NONATTAINMENT AREA
 

I affirm that a public hearing was held jointly by the Arizona Department ofEnvironmental 

Quality and the Maricopa Association of Governments (MAG) starting at 5:30 p.m. Thllrsday, 

January 22, 2009 at the MAG Offices, Saguaro Room, 302 North 1st Avenue, Phoenix, Arizona and 

that the hearing was held in accordance with the Arizolla open meeting laws and 40 CFR 51.102 (d) 

to receive public comment on the MAG Eight-Hour Ozone Redesignation Request and Maintenance 

Plan for the Maricopa Nonattainment Area. 

STATE OF ARIZONA ) 

) ss. 

COUNTY OF MARICOPA ) 

Personally appeared before me the above-named Lindy Bauer known to me to be the same 

person who executed the foregoing instrument and to "be the Environmental Director for the 

Maricopa Association ofGovernniellts and acknowledged to me that she executed the same as her 

frre~. . 

SUBSCRIBED AND SWORN TO before me on this oZ312tJlday ofJanuary 2009. 

.. '-~""~AIII~I

OJEJ!IOtAL SeAL .-­

VALERIE DAY 

NOTARY PUBLIC State of Arizona 

MARICOPA COUNTY 

My Comm. Expires Aug. 16,2012 Notary PublIC 

My Commission Expires: 
PU:,~~~~~=~~~JrE

~m~f~~~W:N~\CW~J FOR THE MARICOPA NONA1lAINMENT AREA 

~~~a61lte;'0~:g~:~~oPR~om 302 N. 1st Avenue, Second 

~~g:nix, Arizona-85003 The Arizona D"epartment of 

fr~[8~~~~t~arico~aQ·~~~~ ciation of - Governments . (MAG) will jointly conduct a public heanng on the Draft 

Eight-Hour ' Ozone 

Redesignation Request and 

Maintenance Plan for the 

Maricopa Nonattainment 

Area .on January 22, 2009 af 5:30 p.m~,The purppse of t~e hearing IS to receive' public. comments. . 

~~E~~~~d.J::~~S~ ~~~V~~:
 

rn~%al ~~~:;i~~~teAge~fi~
 Maricopa nonattainment area .to -attainment for the 

g~c.bC~~rt~Z~~~mnf~~~a~g 1\ 

violations 'of Phis eight-hour ozone standard have occur­ red since 2004. The modeling. ana.lysis in the ozone 

~~~~~;n~~l f~~ st~~~g~ci will continue to be met 

~~~r~gh a~~2~ I~~r fi~~{~r measures that have already been implemented.'.The key measures include summer ,reformulated gasoline, vehicle emissions' testing, traffic 

signal coordination, ii1telli'; 

r:~~, a~~sg~~~~~~'ur~rn~ during the ozone season and exp-ansion. of Area A 

boundarie$ (HB 2538, 2001). The draft document·is available for review at the MAG 

Offices, thi~d' floot', from 

6:0,0 a.m~ to :5:00 .p;m. Monday through Friday. Public comments· are welcome at the hearing,. or may be sub­ mi~ed. in writing by 5:30 :m. On Januaty 22, 2009 'to bl~dY B Bauer at the address

~~~. co~~~n~;,?~~d~~8 ~eglonal CounCil ·may take a~tl02n on theolan on Febru· 

ary ... 5, 200~. The ADEQ may 

th~n:adOptthe'pian -fursub". 

mlttal to the EPA., . 

u~~n~fc\~~~2~4.~NC6 Ba· 302 N~.lst Avenue, Suite 30.0 Phoemx, AZ~85003 ,_ Fax: (602) 254-6490 Pub: {)ecember 23, 2008 

AFFIDAVIT OF PUBLICATION 

THE ARIZONA REPUBLIC 

STATE OF ARIZONA } 

COUNTY OF MARICOPA SS. 

Mark Gilmore, being first duly sworn, upon oath deposes 

and says: That he is a legal advertising representative of the 

Arizona Business Gazette, a newspaper of general 

circulation in the COllnty of Maricopa, State of Arizona, 

published at Phoenix, .Arizona, by Phoenix Newspapers 

Inc., which also publishes The Arizona Republic, and that 

the copy hereto attached is a true copy of the advertisement 

published in the said paper on the dates as indicated. 

The Arizona Republic 

December 23, 2008. 

Sworn to before me this
 

24TH day of
 

December A.D. 2008
 
MARICOPA
 

ASSOCIATION of
 

GOVERNMENTS
 

302 North 1st Avenue, Suite 300 A Phoenix, Arizona 85003
 

Phone (602) 254-6300 A FAX (602) 254-6490
 

E-mail: mag@mag. maricopa. gov A Web site: www. mag. mar'jcopa. gov
 

December 23,2008 

TO:	 Interested Parties for Air Quality 

FROM:	 Lindy B~uer, Environmental Director 

SUBJECT:	 PUBLIC HEARING ON THE MAG EIGHT-HOUR OZONE REDESIGNATION 

REQUEST AND MAINTENANCE PLAN FOR THE MARICOPA 

NONATTAINMENT AREA 

Public Hearing
 

January 22, 2009 at 5:30 p.m.
 

MAG Offices, Saguaro Room
 

302 North 1st Avenue, Second Floor
 

Phoenix, Arizona 85003
 

The Arizona Department of Environmental Quality (ADEQ) and Maricopa Association of 

Governments (MAG) will jointly conduct a public hearing on the Draft Eight-Hour Ozone 

Redesignation Request and Maintenance Plan for the MaricopaNonattainment Area on January 22, 

2009 at 5:30 p.m. The purpose ofthe hearing is to receive public comments. 

ADEQ and MAG are requesting that the U.8. Environmental Protection Agency (EPA) redesignate 

the Maricopa nonattainment area to attainment for the eight-hour ozone standard of0.08 parts per 

million. No violations ofthis eight-hour ozone standard have occurred since 2004'. The modeling 

analysis in the ozone maintenance plan demonstrates that the standard will continue to be met 

through 2025 with federal, state, and local control measures that have already been implemented. 

The key measures include summer r~formulated gasoline, vehicle emissions testing, traffic signal 

coordination, intelligent transportation systems, a ban on open burning during the ozone season, and 

expansion ofArea A bOlmdaries (HB 2538, 2001). 

For your information and convenience, a copy ofthe public hearing notice is enclosed. The draft 

document is available for review at the MAG Offices, third floor, from 8:00 a.m. to 

5:00 p.m. Monday through Friday. In addition, the draft document is available for agency and public 

review on the MAG website at www.mag.maricopa.gov. 

Attachment 

A Voluntary Association of Local Governments in Maricopa County ----------------------­

City of Apache Junction A City of Avondale A Town of Buckeye" Town of Carefree" Town of Cave Creek A City of Chandler A City of EI Mirage" Fort McDowell Yavapai Nation A Town of Fountain Hills A Town of Gila Bend
 

Gila River Indian Community A Town of Gilbert A City of Glendale A City of Goodyear A Town of Guadalupe A City of Litchfield Park A Maricopa County" City of Mesa .. Town of Paradise Valley" City of Peoria A City of Phoenix
 

Town of Queen Creek A Salt River Pima-Maricopa Indian Community" City of Scottsdale .. City of Surprise" City of Tempe" City of Tolleson .. Town of Wickenburg A Town of Youngtown A Arizona Department of Transportation
 
PUBLIC HEARING ON THE EIGHT-HOUR OZONE REDESIGNATION REQUEST
 

AND MAINTENANCE PLAN FOR THE MARICOPA NONATTAINMENT AREA
 

January 22, 2009-5:30 p.m. 

MAG Offices, Saguaro Room 

302 N. 1st Avenue, Second Floor 

Phoenix, Arizona 85003 

The Arizona Department of Environmental Quality (ADEQ) and Maricopa Association of 

Governments (MAG) will jointly conduct a public hearing on the Draft Eight-Hour Ozone 

Redesignation Request and Maintenance Plan for the Maricopa Nonattainment Area on January 22; 

2009 at 5:30 p.m. The purpose of~he hearing is to receive public comments. 

AD:gQ and MAG are requesting that the U.S. Environmental Protection Agency (EPA) redesignate 

the Maricopa nonattainment area to attainment for the eight-hour ozone standard of 0.08 parts per 

million. No violations ofthis eight-hour ozone standard have occurred since 2004. The modeling 

analysis in the ozone maintenance plan demonstrates th~t the standard ,"Till continue to be met 

through 2025 with federal, state, and local control measures that have already been implemented. 

The key measures include summer refonnulated gasoline, vehicle emissions testing, traffic signal 

coordination, intelligent transportation systems, a ban on open burning during the ozone season, and 

expansion ofArea A boundaries (HB 2538, 2001). 

The draft document is available for review at the MAG Offices, third floor, from 8:00 a.m. to 

5:00 p.m. Monday through Friday. Public comments are welcome at the hearing, or may be 

-	 submitted in writing by 5:30 p.m. on January 22, 2009 to Lindy Bauer atthe address below. After 

considering public comments, the MAG Regional Council may take action on the plan on February 

25, 2009. The ADEQ may then adopt the plan for submittal to the EPA. . 

Contact Person:	 Lindy Bauer, MAG (602) 254-6300 

302 N. 1st Avenue, Suite 300 

Phoenix, AZ 85003 

Fax: (602) 254-6490 
TITLE VI 

MARICOPA LETTER EXAMPLE 

ASSOCIATION of 

GOVERNMENTS 

302 North 1st Avenue, Suite 300 Phoenix, Arizona 85003 

Phone (602) 254-6300 FAX (602) 254-6490 

December 23, 2008 E-mail: mag@mag.maricopa. gov Web site: www.mag.maricopa.gov 

Santo Bernasconi 

Centro De Amistad Inc. 

8202 Avenida Del Yaqui 

Guadalupe, AZ 85283-1024 

Dear Mr. Bernasconi: 

You are cordially invited to a public hearing on the Draft MAG Eight-Hour Ozone Redesignation 

Request and Maintenance Plan for the Maricopa Nonattainment Area. The hearing will be held 

jointly by the Arizona Department ofEnvironmental Quality (ADEQ) and Maricopa Association of 

Governments (MAG) on Thursday, January 22,2009 at 5:30 p.m. in the Saguaro Room at the MAG 

Offices, 302 North 1st Avenue, Second Floor, Phoenix, Arizona 85003. The purpose ofthe hearing 

is to -receive public comments. Written and verbal comments are welcomed at the public hearing. 

After considering public comments, the MAG Regional Council may take action on the plan on 

February 25, 2009. 

ADEQ and MAG are requesting that the U.S. Environmental Protection Agency (EPA) redesignate 

the Maricopa nonattainment area to attainment for the eight-hour ozone standard of 0.08 parts per 

million. No violations ofthis eight-hour ozone standard have occurred since 2004. The modeling 

analysis in the ozone maintenance plan demonstrates that the standard will continue to be met 

through 2025 with federal, state, and local control measures that have already been implemented. 

The key measures include summer reformulated gasoline, vehicle emissions testing, traffic signal 

coordination, intelligent transportation systems, a ban on open burning during the ozone season, and 

expansion ofArea A boundaries (HB 2538, 2001). 

The draft document is available for review at the MAG Offices, third floor, from 8:00 a.m. to 

5:00 p.m. Monday through Friday. In addition, the draft document is available for agency and public 

review on the MAG website at www.mag.maricopa.gov. We hope to see you or your representative 

at the hearing and to include your input in future planning efforts. For your convenience, a copy of 

the public hearing notice is attached. Ifyou have any questions or would like to set up a time for us 

to meet with your organization, please call me at (602) 254-6300. 

Sincerely, 

~-r~6~.
 

Lindy Bauer 

Environmental Director 

---------.-----.----..---- A Voluntary Association of Local Governments in Maricopa County 

City of Apache Junction A City of Avondale A Town of Buckeye 6 Town of Carefree A Town of Cave Creek A. City of Chandler & City of EI Mirage A Fort McDowell Yavapai Nation ~. Town of Fountain Hills t~ Town of Gila Bend 

lila River Indian Community'" Town of Gilbert A City of Glendale A City of Goodyear A Town of Guadalupe. City of Litchfield Park A Maricopa County f:, City of Mesa .4. Town of Paradise Valley t.. City of Peoria $, City of Phoenix 

wn of Queen Creek ... Salt River Pima-Maricopa Indian Community A City of Scottsdale A City of Surprise A City of Tempe h City of Tolleson A. Town of Wickenburg ,t Town of Youngtown A Arizona Department of Transportation 
PUBLIC HEARING ON THE EIGHT-HOUR OZONE REDESIGNATION REQUEST
 

AND MAINTENANCE PLAN FOR THE MARICOPA NONATTAINMENT AREA
 

January 22, 2009-5:30 p.m. 

MAG Offices, Saguaro Room 

302 N. 151 Avenue, Second Floor 

Phoenix, Arizona 85003 

The Arizona Department of Environmental Quality (ADEQ) and Maricopa Association of 

Governments (MAG) will jointly conduct a public hearing on the Draft Eight-Hour Ozone 

Redesignation Request and Maintenance Plan for the Maricopa Nonattainment Area on January 22, 

2009 at 5:30 p.m. The purpose of~he hearing is to receive public comments. 

ADJ;:Q and MAG are requesting that the U.S. Environmental Protection Agency (EPA) redesignate 

the Maricopa nonattainment area to attainment for the eight-hour ozone standard of 0.08 parts per 

million. No violations ofthis eight-hour ozone standard have occurred since 2004. The modeling 

analysis in the ozone maintenance plan oemonstrates th~t the standard will continue to be met 

through 2025 with federal, state, and local control measures that have already been implemented. 

The key measures include summer reformulated gasoline, vehicle emissions testing, traffic signal 

coordination, intelligent transportation systems, a ban on open burning during the ozone season, and 

expansion of Area A boundaries (HB 2538, 2001). 

The draft document is available for review at the MAG Offices, third floor, from 8:00 a.ID. to 

5:00 p.m. Monday through Friday. Public comments are welcome at the hearing, or may be 

-	 submitted in writing by 5:30 p.m. on January 22, 2009 to Lindy Bauer at the address below. After 

considering public comments, the MAG Regional Council may take action on the plan on February 

25, 2009. The ADEQ may then adopt the plan for submittal to the ]~:PA. . 

Contact Person:	 Lindy Bauer, MAG (602) 254-6300 

302 N. 1st Avenue, Suite 300 

Phoenix, AZ 85003 

Fax: (602) 254-6490 
MARICOPA
 

ASSOCIATION af
 

GOVERNMENTS
 302 North 1st Avenue, Suite 300 ... Phoenix, Arizona 85003
 

Phone (602) 254-6300 ... FAX (602) 254-6490
 

E-mail: mag@mag. maricopa. gov ... Web site: www.mag. maricopa. gov
 

December 23,2008 

TO:	 Leslie Rogers, Federal Transit Administration 

Robert Hollis, Federal Highway Administration 

Victor Mendez, Arizona Department of Transportation 

Stephen Owens, Arizona Department of Environmental Quality 

David Boggs, Regional Public Transportation Authority 

Debbie Cotton, City of Phoenix Public Transit Department 

Lawrence OdIe, Maricopa County Air Quality Department 

Maxine Leather Brown, Central Arizona Association of Governments 

Donald Gabrielson, Pinal County Air Quality Control District 

Wienke Tax, U.S. Environmental Protection Agency, Region IX 

FROM:	 Lindy Bauer, Environmental Director 

SUBJECT: TRANS1vJITTAL OF THE DRAFT MAG EIGHT-HOUR OZONE 

REDESIGNATION REQUEST AND MAINTENANCE PLAN FOR THE 

MARICOPA NONATfAINMENT AREA 

The Maricopa Association of Governments has prepared a Draft MAG Eight-Hour Ozone 

Redesignation Request and Maintenance Plan for the Maricopa Nonattainment Area. The draft 

document is available for review at the MAG Offices, third floor, from 8:00 a.m. to 5:00 p.m. 

Monday through Friday. In addition, the draft document is available for agency and public review 

on the MAG website. Any comments are requested by 5:30 p.m. on January 22, 2009. 

The Arizona Department of Environmental Quality (ADEQ) and MAG are requesting that the 

U.S. Environmental Protection Agency (EPA) redesignate the Maricopa nonattainment area to 

attainment for the eight-hour ozone standard of 0.08 parts per million. No violations of this eighthour ozone standard have occurred since 2004. The modeling analysis in the ozone maintenance 

plan demonstrates that the standard will continue to be met through 2025' with federal, state, and 

local control measures that have already been implemented. The key measures include summer 

reformulated gasoline, vehicle emissions testing, traffic signal coordination, intelligent transportation 

systems, a ban on open burning during the ozone season, and expansion of Area A boundaries 

(lIB 2538, 2001). 

On January 22,2009, a public hearing will be conductedjointly by the ADEQ and MAG at the MAG 

Offices, Saguaro Room, Second Floor, Phoenix, Arizona at 5:30 p.m. After considering public 

comments, the MAG Regional Council may take action on the plan on February 25, 2009. The 

ADEQ may then adopt the plan for submittal to the EPA. If you have any questions, please do not 

hesitate to contact me at (602) 254-6300. 

cc: Nancy Wrona, Arizona Department of Environmental Quality 

--- A Voluntary Association of Local Governments in Maricopa County -------------~------------------.------.---.-----

City of Apache Junction'" City of Avondale A Town of Buckeye Town of Carefree'" Town of Cave Creek'" City of Chandler ... City of El Mirage" Fort McDowell Yavapai Nation ... Town of Fountain Hills'" Town of Gila Bend
 

Gila River Indian Community'" Town of Gilbert ... City of Glendale City of Goodyear'" Town of Guadalupe'" City of Litchfield Park ... Maricopa County'" City of Mesa ... Town of Paradise Valley'" City of Peoria'" City of Phoenix
 

Town of Queen Creek ... Salt River Pima-Maricopa Indian Community'" City of Scottsdale ... City of Surprise'" City of Tempe'" City of Tolleson ... Town of Wickenburg A. Town of Youngtown'" Arizona Department of Traf.lsportation
 
PUBLIC HEARING ON THE EIGHT-HOUR OZONE REDESIGNATION REQUEST
 

AND MAINTENANCE PLAN FOR THE MARICOPA NONATTAINMENT AREA
 

January 22, 2009-5:30 p.m. 

MAG Offices, Saguaro Room 

302 N. 1st Avenue, Second Floor 

Phoenix, Arizona 85003 

The Arizona Department of Environmental Quality (ADEQ) and Maricopa Association of 

Governnlents (MAG) will jointly conduct a public hearing on the Draft Eight-Hour Ozone 

Redesignation Request and Maintenance Plan for the Maricopa Nonattainment Area on January 22, 

2009 at 5:30 p.m. The purpose of~he hearing is to receive public comments. 

AD~Q and MAG are requesting that the u.s. Environmental Protection Agency (EPA) redesignate 

the Maricopa nonattainment area to attainment for the eight-hour ozone standard of 0.08 parts per 

million. No violations ofthis eight-hour ozone standard have occurred since 2004. The modeling 

analysis in the ozone maintenance plan demonstrates that the standard will continue to be met 

through 2025 with federal, state, and local control measures that have already been implemented. 

The key measures include summer refonnulated gasoline, vehicle emissions testing, traffic signal 

coordination, intelligent transportation systems, a ban on open burning during the ozone season, and 

expansion ofArea A boundaries (HB 2538, 2001). 

The draft document is available for review at the MAG Offices, third floor, from 8:00 a.ril. to 

5:00 p.m. Monday through Friday. Public comments are welcome at the hearing, or may be 

submitted in writing"by 5:30 p.m. on January 22, 2009 to Lindy Bauer atthe address below. After 

considering public co"mments, the MAG Regional Council may take action on the plan on February 

25,2009. The ADEQ may then adopt the plan for submittal to the "EPA. " 

Contact Person: Lindy Bauer, MAG (602) 254-6300 

302 N. 1st Avenue, Suite 300 

Phoenix, AZ 85003 

Fax: (602) 254-6490 
MAG HEARING 012209 OZONE REDSIGNATION
 

Page 1 

PUBLIC HEARING ON THE MAG EIGHT-HOUR OZONE REDESIGNATION 

REQUEST AND MAINTENANCE PLAN FOR THE MARICOPA 

NONATTAINMENT AREA 

Arizona Department of Environmental Quality and
 

Maricopa Association of Governments
 

Thursday, January 22, 2009
 

5:30 p.m. 

ORIGINAL 

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TRANSCRIPT OF PROCEEDINGS 

commenced at 5:30 p.m. on Thursday, January 22, 2009, at 

the Maricopa Association of Governments, 302 North 1st 

Avenue, Saguaro Room, Phoenix, Arizona, before Toni M. 

Gehm, a Notary Public in and for the State of Arizona. 

* * * 

A P PEA RAN C E S 

Lyndy Bauer 

Maricopa Association of Governments 

Diane Arnst 

-3 Arizona Department of Environmental Quality 

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MS. BAUER: This public hearing is being 

held jointly with the Arizona Department of Environmental 

Quality and the Maricopa Association of Governments to 

receive public comments on the draft MAG Eight-Hour Ozone 

Redesignation Request and Maintenance Plan for the 

Maricopa Nonattainment Area. Those who are in the 

audience who parked in the garage can have their tickets 

validated by the MAG staff. 

The public hearing this evening will begin with 

some introductory remarks from one of the members of the 

audience who has submitted a slip in order to make some 

remarks. Ms. Dianne Barker has requested an opportunity 

to present some public comments before we give the 

presentat~on this evening due to a commitment to a 

meeting that Ms. Barker has. So at this point in time I 

would like to ask Ms. Barker to come and give her 

comments. Thank you very much. 

MS. BARKER: Thank you, Ms. Bauer, and MAG. 

My name is Dianne Barker. I'm at 3219 East Camelback 

Road, Number 393, in Phoenix, 85018. live lived in the 

Valley for 23 years. I did come down here today by the 

natural gas bus and the light rail system and I'll be 

headed to Tempe on that light rail and use the bus and I 

also have a little folding bicycle. I add that just to 

let you know that I do do part of that not only for 

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MAG HEARING 012209 OZONE REDSIGNATION
 

Page 4 

expediency to get around downtown, but I have personal 

goals in regards to cleaner air and I db believe those 

activities add to that. 

After reading some of your materials in the 

library explicitly December 2008 Draft Eight-Hour Ozone 

on page 213, I have a concern and it's in regards to fuel 

which is one of the main sources of your contingent of 

your measures for control for the eight-hour plan. It 

says in quote: IIMVTB has been the primary oxygenate used 

in Arizona. II And this is because they claim there was 

difficulty in blending ethanol. I've long time had a 

concern about MVTB. Others may have heard about some of 

the problems of it getting into the ground. I am not an 

expert on that fuel; however, in 1988 I was on a Valley 

Citizens Committee. I submitted that using alternative 

fuels can add to carcinogens and major pollutants that 

are of concern and can hurt people. So I submit that to 

you. I think we need to have further study. 

I'm also submitting an article today about how 

cleaner air -- it's one of the first studies by EPA 

funded -- does create longer lives. But Phoenix isn't 

mentioned in here, so I have a concern for them looking 

into this area and seeing what we're doing and if the 

measures are helping. They don't explicitly talk about 

the Eight-Hour Ozone, but they talk about air pollution 

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and the particulates in that. 

And the other thing in your draft plan that I am 

concerned about is as you used a contingency provision 

page 322 on the same document that I have spoken on and 

we know that after we reach .084 parts per million and 

any monitor there is a violation. I will sum this up. 

This is an IT contingency provision. I'd like to see if 

in fact the IT we're using on the light rail and the 

other ITs for traffic are helping, do they help more, or 

do we need to look at that on a caution basis. 

So thank you for your time and have a happy new 

year. 

MS. BAUER: Thank you very much, 

Ms. Barker. 

Now we'll return to the normal order of our 

public hearing process. We're glad we were able to 

accommodate you. The public hearing will begin with some 

introductory remarks. We wanted to ask DEQ if they would 

like to offer any remarks at this time. 

MS. ARNST: We don't have any remarks at 

this time. 

MS. BAUER: Thank you very much. We'll 

have an overview presentation by the MAG staff. 

Following the presentation hearing participants are 

invited to make comments for the public record. The 

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court reporter is present to provide an official record 

of the hearing. Written comments are also welcome this 

evening. 

For those participants wishing to speak, please 

fill out a form on the table and place it in the box. If 

you need to speak early, just let us know and we will 

accommodate you. As you come up to the podium, please 

state some information for the formal record: your name 

and who you represent. We do have a timer to assist the 

public with their presentations. It has a three minute 

time limit. When two minutes have elapsed, the yellow 

light will come on notifying the speaker they have one 

minute to sum up. At the end of the three minute period 

the red light will come on. 

So now I will give a presentation on the 

Eight-Hour Ozone Redesignation Request and Maintenance 

Plan. 

Thank you very much. My name is Lindy Bauer and 

I'm with the Maricopa Association of Governments. And, 

again, I welcome you to the hearing. Ground level ozone 

is a summertime air pollution problem. Ozone is formed 

by a chemical reaction that occurs between volatile 

organic compounds and nitrogen oxides in the presence of 

sunlight. You need very warm temperatures and minimal 

wind for ozone to form. In general, motor vehicle 

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MAG HEARING 012209 OZONE REDSIGNATION
 

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emissions, industrial emissions, gasoline vapors, 

chemical solvents, and even natural vegetation, such as 

plants, trees can also contribute to ozone formation. 

In 1997, the Environmental Protection Agency 

established an eight-hour ozone standard of .08 parts per 

million. The Maricopa nonattainment area was designated 

as a nonattainment area for this pollutant at that 

concentration in 2004. And you'll see the nonattainment 

area boundary in green. Collectively the nonattainment 

area boundary represents approximately 4,880 square 

miles. It includes portions mostly in Maricopa County 

and Apache Junction in Pinal County. 

7 Now over time there has been significant 

progress made to reduce ozone in the MAG region and in 

this nonattainment area. This bar chart indicates that 

there have been no violations of this eight-hour ozone 

standard since the year 2004. So this has been due to 

the measures that have been implemented over time by the 

state, the local governments, and Maricopa County, and 

the private sector. 

Since there have been no violations for several 

years of this standard, the Maricopa Association of 

Governments is now officially requesting that this region 

be redesignated to attainment status. There are 

basically four steps to redesignation to attainment. 

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MAG HEARING 012209 OZONE REDSIGNATION
 

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First, EPA determines that the standard has been 

met. And this is as measured at the monitors. Secondly, 

EPA has to determine that the air quality improvement is 

due to permanent and enforceable reductions in emissions. 

Third, EPA has to determine that the state has met the 

Clean Air Act requirements for plans. And lastly EPA has 

to take approval action on the maintenance plan. Now the 

maintenance plan demonstrates that the eight-hour ozone 

standard will continue to be met through 2025 with 

existing measures that are already in place. 

In order to reduce ozone, we focus on reducing 

volatile organic compound emissions and also nitrogen 

oxide emissions. Now this chart indicates the measures 

and their impact that we are using for the maintenance 

demonstration showing that this region will continue to 

meet the eight-hour ozone standard through the year 2025. 

So these are the variety of measures that we 

have in place. Most of them have to do with motor 

vehicles. We have summertime fuel reformulation. We 

also have the federal nonroad emissions standards which 

are designed to reduce emissions from equipment along the 

roadways. We have improvements to the vehicle emissions 

testing program. And we have banned open burning during 

the ozone season because even though there is some 

burning going on during the ozone season, this can be a 

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MAG HEARING 012209 OZONE REDSIGNATION
 

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problem, so this is another measure in the plan. And as 

I mentioned, most of these have an impact on the motor 

vehicle. 

This is another measure that I would like to 

explain. Expansion of Area A. Now this was in 

legislation passed by the legislature in 2001. Area A 

applies to portions of Maricopa and Pinal and Yavapai 

Counties and the thinking of the legislature was to 

incrementally over time add measures to Area A in order 

to prevent violations of the ozone standard and the other 

pollutants. 

Now I'd like to turn to the impacts of those 

same measures on nitrogen oxides. You can see the impact 

of the measures. They are in slightly different order 

because they have a little bit different impact on 

nitrogen oxides than they do on volatile organic 

compounds. And these are the impacts in both slides on 

man-made emissions. 

Next I would like to show you some pie charts to 

show you that in the maintenance year 2025 what the 

distribution of emissions looks like by source. Often 

we're asked in the maintenance year or in the attainment 

year do we still have sources and emissions, and the 

answer is yes, but in those years we are predicting that 

we will still be maintaining the standard. So you can 

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MAG HEARING 012209 OZONE REDSIGNATION
 

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see the distribution for 2025 for VOC emissions with 

measures in place. 

The next pie chart is the impact of the measures 

on the sources in the year 2025 only this time taking a 

look at reductions in nitrogen oxides. In this plan we 

also have contingency measures. These are measures above 

and beyond the measures that we're using to demonstrate 

maintenance of the standard in 2025. These measures are 

going to be implemented and have been implemented right 

along with the regular maintenance plan measures. 

Generally the approach taken in this 

nonattainment area has been to implement contingency 

measures along with plan measures that's your best chance 

of success from preventing violations. Most of these 

measures are improvements to the component of the vehicle 

emission and inspection program. There are some measures 

here for coordinating traffic signals and developing 

intelligent transportation systems. This maintenance 

plan also establishes a budget for motor vehicles. 

Under the Clean Air Act there are requirements 

for transportation conformity. The air quality plans 

actually set motor vehicle emission budgets. Under the 

Clean Air Act this is a requirement to prevent 

transportation plans, programs, and projects from causing 

air quality violations. 

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MAG HEARING 012209 OZONE REDSIGNATION 

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So in this maintenance plan there is a new 

budget for volatile organic compounds of 43.8 metric tons 

per day and a budget for nitrogen oxides 101.8 metric 

tons per day. Now these new budgets will be used in the 

conformity analyses after they are found to be adequate 

or they are approved in the plan by the Environmental 

Protection Agency. 

The schedule for the eight-hour plan is as 

follows: The document was available for public review on 

December 23rd, 2008. Tonight is the public hearing. The 

MAG Air Quality Technical Advisory Committee is scheduled 

to meet on January 26, 2009. And at that time the 

committee will be reviewing comments made and a response 

to comments. And then it is anticipated they may make a 

recommendation on the plan. Their recommendation would 

go to the MAG Management Committee on February 11th, 

2009. And then it would go to the MAG Regional Counsel 

for action on February 25, 2009. MAG would then provide 

the plan to the Arizona Department of Environmental 

Quality. And at the end of February the Arizona 

Department of Environmental Quality anticipates 

submitting the plan to the Environmental Protection 

Agency. 

Now once this plans goes into EPA, MAG will 

begin working on the planning effort for the new 

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MAG HEARING 012209 OZONE REDSIGNATION 

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eight-hour ozone standard. This standard was established 

by the Environmental Protection Agency in March 2008. 

The new toughened standard is .075 parts per million 

which is different than this one, so I wanted to call 

your attention to that. Weill be working on yet another 

plan. And now lid be glad to return to the table and 

take public testimony. Thank you. 

At this point in our process public comments are 

invited. If you would like to speak, again, please fill 

out a form and adhere to the three minute time limit. 

I've been advised that we have no additional forms, so I 

will look at the audience one more time here and see if 

anyone would like to offer any comments. 

Seeing none, the Maricopa Association of 

Governments appreciates your interest in regional air 

quality issues. Your comments will be presented to the 

MAG Air Quality Technical Advisory Committee at the 

January 29th, 2009 meeting at 1:30 p.m. And again, a 

response to comments will be prepared and included in the 

plan documents. 

Thank you again for coming to our hearing this 

evening. Thank you. The hearing is now closed. 

(Public Hearing concluded at 5:50 p.m.) 

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13 

STATE OF ARIZONA 

COUNTY OF MARICOPA 

BE IT KNOWN that the foregoing proceedings were 

taken before me, Toni M. Gehrn, a Notary Public in and for 

the State of Arizona; that the foregoing pages contain a 

full, true, accurate transcript of all proceedings had, 

all done to the best of my skill and ability. 

I FURTHER CERTIFY that I am in no way related 

to any of the parties hereto, nor employed by any of the 

parties hereto, and have no interest in the outcome 

thereof. 

DATED at Phoenix, Arizona, this 22nd day of 

January, 2009. 

• 

TonlMGehm 

Notary PublIC • Arizona 

Mlricopa County 

My COIIIIIIIMIon expires 

Februlry 11, 2011 

Toni M. Gehm
 

Notary Public
 
---------------

-----------------

---------------

---------------

MARICOPA
 

ASSOCIATION of
 

BOVERNMENTS
 302 North 1st Avenue, Suite 300 .A Phoenix, Arizona 85003 

Phone (602) 254-6300 A FAX (602) 254-6490 

mag@mag.maricopa.gov 

Meeting:	 Public Hearing on the MAG Eight-Hour Ozone Redesignation Request and 

Maintenance Plan 

Room:	 Saguaro Room 

Date:	 January 22, 2009 

PLEASE SIGN IN BELOW: 

NAME ORGANIZATIONIAFFILIATION MAILING ADDRESS 

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'fIfvq/JQ; Alan,;' 

3~lCL.f?(~#~~

-17fi~-, 11-7- f q()fSJ - - ­

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~-------------

~-------------

~-------------
PUBLIC HEARING ON THE
 

MAG EIGHT-HOUR OZONE REDESIGNATION REQUEST AND MAINTENANCE
 

___ .._~_ ..... v 'd-, d-o tJ'1 January 22, 2009 Date_~

Name__~~::o.....I--II-~=--_~dA

PLAN FOR THE MARICOPA NONATTAINMENT AREA 

_ 

__ _ 

(Please Prin9J ::;7&3<lt2:> 3~q ~. ~tA. ·O~~-------

Title------=--~~~~---------------

It 

Representing-----------------------­

(Organization, etc.) 

Do you wish to be heard? GNo 0 IfNecessary 

~~Signature 

( 
RESPONSE TO PUBLIC COMMENTS ON THE
 

DRAFT MAG EIGHT-HOUR OZONE REDESIGNATION REQUEST
 

AND MAINTENANCE PLAN FOR THE MARICOPA NONATTAINMENT AREA
 

JANUARY 22,2009 PUBLIC HEARING
 

The Maricopa Association of Governments (MAG) appreciates the comments made during 

the public comment period for the Draft MAG Eight-Hour Ozone Redesignation Request 

and Maintenance Plan for the Maricopa Nonattainment Area. An advertised public hearing 

was held on January 22,2009. Verbal testimony was presented at the public hearing. No 

written comments were received during the comment period. The following represents the 

MAG response to the comments received. 

COMMENTS FROM DIANNE BARKER (Testimony attheJanuary22, 2009 public hearing) 

Comment: I've lived in the Valley for 23 years. I did come down here today by the natural 

gas bus and the light rail system and I'll be headed to Tempe on that light rail and use the 

bus and I also have a little folding bicycle. I add that just to let you know that I do part of 

that not only for expediency to get around downtown, but I have personal goals in regards 

to cleaner air and I do believe those activities add to that. 

Response: The Maricopa Association of Governments appreciates the efforts Ms. Barker 

is making to improve air quality by using alternative modes such as light rail, buses, and 

bicycles. 

Comment: After reading some of your materials in the library, explicitly December 2008 

Draft Eight-Hour Ozone on page 2-13, I have a concern and it's in regards to fuel, which 

is one of the main sources of your measures for control for the eight-hour plan. It says 

"MTBE has been the primary oxygenate used in Arizona." And this is because they claim 

there was difficulty in blending ethanol. I've long time had a concern about MTBE. Others 

may have heard about some of the problems of it getting into the ground. I am not an 

expert on that fuel; however, in 1988 I was on a Valley Citizens Committee. I submitted 

that using alternative fuels can add to carcinogens and major pollutants that are of concern 

and can hurt people. So I submit that to you. I think we need to have further study. 

Response: The paragraph on page 2-13 of the Draft Eight-Hour Ozone Redesignation 

Request and Maintenance Plan that refers to methyl tertiary butyl ether (MTBE) states: "On 

April 28, 2000, Senate Bill 1504 was signed into law by the Governor of Arizona. The law 

revised A.R.S. Section 41-2124 by eliminating the maximum oxygenate requirement for 

summertime gasoline in Maricopa County. Because of the cost and difficulty of blending 

ethanol in CBG and meeting the 7.0 psi Reid Vapor Pressure standard, MTBE has been 

the primary oxygenate used in Arizona's summertime CBG." 

This text indicates that Senate Bill 1504 eliminated the need to use MTBE in summertime 

cleaner burning gasoline (CBG) in Maricopa County. However, to make it clearer that the 

oxygenation of Maricopa County summertime gasoline has not been required since 2000, 
the verb in the last sentence has been changed from "has" to "had." 

Although the text states that Senate Bill 1504 eliminated the "maximum" oxygenate 

requirement for summertime gasoline, this is not correct; the Bill eliminated the "minimum" 

oxygenate requirement. So this correction has also been made to the document. 

Comment: I'm also submitting an article today about how cleaner air - it's one of the first 

studies by EPA funded - does create longer lives. But Phoenix isn't mentioned in here, so 

I have a concern for them looking into this a.rea and seeing what we're doing and if the 

measures are helping. They don't explicitly talk about the eight-hour ozone, but they talk 

about air pollution and the particulates in that. 

Response: The air quality monitors located in Phoenix and the surrounding areas of 

Maricopa County indicate that measured concentrations of carbon monoxide, ozone and 

particulate pollution are declining over time. Since the air quality is improving at the same 

time the regional population, employment and vehicle travel continue to grow, it is evident 

that the numerous federal, state and local control measures that have been implemented 

in the Maricopa area have been successful in decreasing air pollution. 

Comment: And the other thing in your draft plan that I am concerned about is as you used 

a contingency provision on page 3-22 of the same document that I have spoken on and 

we know that after we reach 0.084 parts per million and any monitor there is a violation. 

I will sum this up. This is an IT contingency provision. I'd like to see if in fact the IT we're 

using on the light rail and the other ITs for traffic are helping, do they help more, or do we 

need to look at that on a caution basis. 

Response: "Develop Intelligent Transportation Systems" is one of the six contingency 

measures identified on page 3-22 of the Draft Eight-Hour Ozone Redesignation Request 

and Maintenance Plan. Section VI-7-2 of the Technical Support Document describes this 

measure as follows: "Nearly all of the local jurisdictions are planning and implementing 

advanced technology based solutions to address complex traffic management issues on 

the regional transportation network. These technologies involve the application of 

electronics, telecommunications and sensor technologies and are collectively referred to 

as Intelligent Transportation Systems (ITS). This measure reduces VOC and NOx 

emissions by increasing vehicle speeds and reducing congestion." 

"Develop Intelligent Transportation Systems," as well as the other five contingency 

measures in the Draft Eight-Hour Ozone Redesignation Request and Maintenance Plan, 

have already been implemented in the Maricopa area. While no credit for these 

contingency measures has been taken in modeling maintenance of the eight-hour ozone 

standard, early implementation of these measures provides additional confidence that the 

standard will be maintained through 2025. If any air quality monitor records a violation of 

the eight-hour ozone standard of 0.08 ppm after EPA redesignates the Maricopa area to 

attainment, page 3-22 of the draft document states that "additional control measure will be 

considered, which may include the strengthening of existing contingency measures". 
APPENDIX B

EXHIBIT 2:

Certification of Adoption
RESOLUTION TO ADOPT THE MAG EIGHT-HOUR OZONE
 

REDESIGNATION REQUEST AND MAINTENANCE PlAN FOR
 

THE MARICOPA NONATIAINMENT AREA
 

WHEREAS, the Maricopa Association of Governments (MAG) is a Council of Governments 

composed of twenty-five cities and towns within Maricopa County and the contiguous urbanized area, 

the County of Maricopa, the Gila River Indian Community, the Salt River Pima-Maricopa Indian 

Community, Fort McDowell Yavapai Nation, Arizona Department of Transportation, and Citizens 

Transportation Oversight Committee; and 

WHEREAS, the Governor of Arizona designated MAG as the regional air quality planning agency 

and metropolitan planning organization for transportation in Maricopa County; and 

WHEREAS, the Environmental Protection Agency designated the Maricopa nonattainment area 

in 2004 for the eight-hour ozone standard of .08 parts per million in accordance with the Clean Air Act; 

and 

WHEREAS, the Maricopa nonattainment area has had no violations of the eight-hour ozone 

standard of .08 parts per million since 2004; and 

WHEREAS, MAG has prepared the Eight-Hour Ozone Redesignation Request and Maintenance 

Plan for the Maricopa Nonattainment Area, including the modeling maintenance demonstration; and 

W~IEREAS, A.R.S. 49-406 H. requires that the governing body of the metropolitan planning 

organization adopt the maintenance area plan. 

NOW THEREFORE, BE IT RESOLVED BY THE MARICOPA ASSOCIATION OF 

GOVERNMENTS REGIONAL COUNCIL as follows: 

SECTION I. That the MAG Regional Council adopts the MAG Eight-Hour Ozone 

Redesignation Request and Maintenance Plan for the Maricopa Nonattainment Area and authorizes the 

submission ofthe plan to the Arizona Department of Environmental Quality and the U.S. Environmental 

Protection Agency. 

SECTION 2. That the MAG Regional Council further requests that the U.S. Environmental 

Protection Agency redesignate the Maricopa nonattainment area to attainment status for the eight-hour 

ozone standard of .08 parts per million. 

PASSED AND ADOPTED BYTHE REGIONAL COLJNCIL OF THE MARICOPAASSOCIATI-ON OF 

GOVERNMENTS THIS TWENTY-FIFTH DAY OF FEBRUARY 2009. 

Pe. f'de , C ·~4 air 

MAG Regional Council 

r;L, <~
 Dennis Smith 

Executive Director 
CERTIFICATION OF ADOPTION OF THE
 

MAG EIGHT-HOUR OZONE REDESIGNATION REQUEST AND
 

MAINTENANCE PLAN FOR THE MARICOPA NONATTAINMENT AREA
 

An Excerpt from the February 25, 2009, MAG Regional Council Meeting Minutes
 

Mayor Boyd Dunn moved to adopt the MAG Eight-Hour Ozone Redesignation Request and 

Maintenance Plan for the Maricopa Nonattainment Area. Vice ChairThomas Scll0afseconded, and 

the motion carried unanimously. 

I certify that on February25, 2009, the MAG Regional Council adopted the MAG Eight-Hour Ozone 

Redesignation Request and Maintenance Plan for the Maricopa Nonattainment Area. 

emlis Smith 

MAG Executive Director 

Date