[Federal Register Volume 70, Number 101 (Thursday, May 26, 2005)]
[Proposed Rules]
[Pages 30396-30405]
From the Federal Register Online via the Government Publishing Office [www.gpo.gov]
[FR Doc No: 05-10475]


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ENVIRONMENTAL PROTECTION AGENCY

40 CFR Part 52

[R04-OAR-2005-SC-0001, R04-OAR-2005-GA-0001-200516; FRL-7917-9]


Approval and Promulgation of Air Quality Implementation Plans; 
South Carolina and Georgia; Attainment Demonstration for the 
Appalachian, Catawba, Pee Dee, Waccamaw, Santee Lynches, Berkeley-
Charleston-Dorchester, Low Country, Lower Savannah, Central Midlands, 
and Upper Savannah Early Action Compact Areas

AGENCY: Environmental Protection Agency (EPA).

ACTION: Proposed rule.

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SUMMARY: The EPA is proposing to approve revisions to the State 
Implementation Plans (SIPs) submitted by the South Carolina Department 
of Health and Environmental Control (SC DHEC) and Georgia Environmental 
Protection Division (EPD) on December 31, 2004. These revisions are 
submitted pursuant to the Early Action Compact (EAC) Protocol \1\ and 
will result in emission reductions needed to attain and maintain the 8-
hour ozone National Ambient Air Quality Standard (NAAQS) in the 
Appalachian, Catawba, Pee Dee, Waccamaw, Santee Lynches, Berkeley-
Charleston-Dorchester, Low Country, Lower Savannah, Central Midlands, 
and Upper Savannah EAC areas. Only the Lower Savannah EAC area has 
counties in both South Carolina and Georgia; for the purposes of this 
document, however, the above described EAC areas will be collectively 
referred to as the ``South Carolina--Georgia EAC Areas.'' EPA is 
proposing approval of the photochemical modeling used by South Carolina 
and Georgia to support the attainment demonstration of the 8-hour ozone 
standard within these areas. The proposed revisions further incorporate 
the local control measures in the South Carolina--Georgia EAC Areas, a 
new regulation, 61-62.5 Standard No. 5.2, Control of Oxides of Nitrogen 
(NOX) and revisions to Regulation 61-62.2, Prohibition of 
Open Burning.
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    \1\ The EAC Protocol can be found at http://www.epa.gov/air/eac/ 
and in Regional Materials in Edocket (RME) ID No. R04-OAR-2005-SC-
0001 or R04-OAR-2005-GA-0001 (see the ADDRESSES section of this 
notice for further information on RME).

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DATES: Comments must be received on or before June 27, 2005.

ADDRESSES: Submit your comments, identified by Regional Material in 
EDocket (RME) ID No. R04-OAR-2005-

[[Page 30397]]

SC-0001 for any comments regarding the South Carolina submittal or ID 
No. R04-OAR-2005-GA-0001 for any comments regarding the Georgia 
submittal, by one of the following methods:
    1. Federal eRulemaking Portal: http://www.regulations.gov. Follow 
the on-line instructions for submitting comments.
    2. Agency Web site: http://docket.epa.gov/rmepub/ RME, EPA's 
electronic public docket and comment system, is EPA's preferred method 
for receiving comments. Once in the system, select ``quick search,'' 
then key in the appropriate RME Docket identification number. Follow 
the on-line instructions for submitting comments.
    3. E-mail: [email protected].
    4. Fax: 404-562-9019.
    5. Mail: ``R04-OAR-2005-SC-0001'' or ``R04-OAR-2005-GA-0001'', 
Regulatory Development Section, Air Planning Branch, Air, Pesticides 
and Toxics Management Division, U.S. Environmental Protection Agency, 
Region 4, 61 Forsyth Street, SW., Atlanta, Georgia 30303-8960.
    6. Hand Delivery or Courier: Deliver your comments to: Nacosta C. 
Ward, Regulatory Development Section, Air Planning Branch, Air, 
Pesticides and Toxics Management Division, 12th floor, U.S. 
Environmental Protection Agency, Region 4, 61 Forsyth Street, SW., 
Atlanta, Georgia 30303-8960. Such deliveries are only accepted during 
the Regional Office's normal hours of operation. The Regional Office's 
official hours of business are Monday through Friday, 8:30 a.m. to 4:30 
p.m., excluding Federal holidays.
    Instructions: Direct your comments to RME ID No. R04-OAR-2005-SC-
0001. EPA's policy is that all comments received will be included in 
the public docket without change and may be made available online at 
http://docket.epa.gov/rmepub/, including any personal information 
provided, unless the comment includes information claimed to be 
Confidential Business Information (CBI) or other information whose 
disclosure is restricted by statute. Do not submit information that you 
consider to be CBI or otherwise protected through RME, regulations.gov, 
or e-mail. The EPA RME Web site and the federal regulations.gov Web 
site are ``anonymous access'' systems, which means EPA will not know 
your identity or contact information unless you provide it in the body 
of your comment. If you send an e-mail comment directly to EPA without 
going through RME or regulations.gov, your e-mail address will be 
automatically captured and included as part of the comment that is 
placed in the public docket and made available on the Internet. If you 
submit an electronic comment, EPA recommends that you include your name 
and other contact information in the body of your comment and with any 
disk or CD-ROM you submit. If EPA cannot read your comment due to 
technical difficulties and cannot contact you for clarification, EPA 
may not be able to consider your comment. Electronic files should avoid 
the use of special characters, any form of encryption, and be free of 
any defects or viruses.
    Docket: All documents in the electronic docket are listed in the 
RME index at http://docket.epa.gov/rmepub/. Although listed in the 
index, some information is not publicly available, i.e., CBI or other 
information whose disclosure is restricted by statute. Certain other 
material, such as copyrighted material, is not placed on the Internet 
and will be publicly available only in hard copy form. Publicly 
available docket materials are available either electronically in RME 
or in hard copy at the Regulatory Development Section, Air Planning 
Branch, Air, Pesticides and Toxics Management Division, U.S. 
Environmental Protection Agency, Region 4, 61 Forsyth Street, SW., 
Atlanta, Georgia 30303-8960. EPA requests that if at all possible, you 
contact the contact listed in the FOR FURTHER INFORMATION CONTACT 
section to schedule your inspection. The Regional Office's official 
hours of business are Monday through Friday, 8:30 a.m. to 4:30 p.m., 
excluding federal holidays.

FOR FURTHER INFORMATION CONTACT: Nacosta C. Ward, Regulatory 
Development Section, Air Planning Branch, Air, Pesticides and Toxics 
Management Division, U.S. Environmental Protection Agency, Region 4, 61 
Forsyth Street, SW., Atlanta, Georgia 30303-8960. The telephone number 
is (404) 562-9140. Ms. Ward can also be reached via electronic mail at 
[email protected]

SUPPLEMENTARY INFORMATION: Throughout this document, wherever ``we,'' 
``our,'' and ``us'' is used, we mean EPA.

Outline

I. What action are we proposing?
II. What is a SIP?
III. What is ozone and the purpose of the 8-hour ozone standard?
IV. What is an EAC?
V. What are the South Carolina-Georgia EAC Areas and their 
respective 8-hour ozone designations?
VI. How is attainment demonstrated for the 8-hour standard with a 
photochemical model?
VII. What measures are included in this EAC SIP submittal?
VIII. What happens if the area does not meet the EAC commitments or 
milestones?
IX. Why are we proposing to approve this EAC SIP submittal?
X. Proposed Action
XI. Statutory and Executive Order Reviews

I. What Action Are We Proposing?

    Today we are proposing to approve revisions to the South Carolina 
and Georgia SIPs under sections 110 and 116 of the Clean Air Act 
(``CAA'' or ``the Act''). These revisions demonstrate attainment and 
maintenance of the 8-hour ozone standard, 0.08 parts per million 
(ppm),\2\ within the Appalachian, Catawba, Pee Dee, Waccamaw, Santee 
Lynches, Berkeley-Charleston-Dorchester, Low Country, Lower Savannah, 
Central Midlands, and Upper Savannah EAC areas (collectively referred 
to as the South Carolina-Georgia EAC Areas) by 2007, and incorporate 
the control measures developed by these EACs into the South Carolina 
and Georgia SIPs. The South Carolina-Georgia EACs are agreements 
between the states, local governments, and EPA. The intent of these 
agreements is to reduce ozone pollution and thereby attain and maintain 
the 8-hour ozone standard by 2007, sooner than required by CAA for 
areas designated nonattainment. Section VII of this proposal describes 
the control measures that will be implemented within the South 
Carolina-Georgia EAC Areas.
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    \2\ The 8-hour ozone standard was promulgated on July 18, 1997 
(62 FR 38856).
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II. What Is a SIP?

    The ``SIP'' is the State Implementation Plan required by section 
110 of the CAA and its implementing regulations. In essence, the SIP is 
a set of air pollution regulations, control strategies, and technical 
analyses developed by the state, to ensure that the state meets the 
National Ambient Air Quality Standards (NAAQS). Once included in the 
SIP, these regulations, strategies, and analyses are federally 
enforceable by EPA. The NAAQS are established under section 109 of the 
Act and they currently address six criteria pollutants: carbon 
monoxide, nitrogen dioxide, ozone, lead, particulate matter, and sulfur 
dioxide. These SIPs can be extensive, containing state regulations or 
other enforceable documents and supporting information such as emission 
inventories, monitoring networks, and modeling demonstrations. 
Discussed in greater

[[Page 30398]]

detail below, SIP revisions relating to attainment of the 8-hour ozone 
standard by South Carolina and Georgia submitted to EPA on December 31, 
2004, and the contents of the EACs are now being proposed.

III. What Is Ozone and the Purpose of the 8-hour Ozone Standard?

    Ozone is formed by a series of chemical reactions involving 
nitrogen oxides (NOX), the result of combustion processes, 
and reactive organic gases, also termed volatile organic compounds 
(VOCs). NOX and VOCs are emitted into the air through many 
sources such as vehicles, power plants and other industrial facilities. 
Ozone and its precursors have many adverse effects on human health and 
can cause the following: irritation of the respiratory system, 
reduction of lung function (making it more difficult to breathe), 
aggravation of asthma, inflammation and damage to the lining of the 
lungs, and an increase in the risk of hospital admissions and doctor 
visits for respiratory problems. In order to reduce ozone it is 
necessary to reduce NOX and VOCs, ozone precursors. 
Consistent with the Act, ozone reductions are achieved by establishing 
NAAQS, such as the 8-hour ozone standard, and implementing the measures 
necessary to reduce ozone and its precursors. In the April 30, 2004, 
(69 FR 23858), Federal Register document entitled ``Air Quality 
Designations and Classifications for the 8-Hour Ozone National Ambient 
Air Quality Standards; Early Action Compact Areas with Deferred 
Effective Dates,'' EPA designated every county in the United States 
unclassifiable/attainment or nonattainment. Generally, when areas are 
designated nonattainment, they must put measures in place that will 
control and maintain ozone concentrations at healthy levels; areas 
designated as attainment must also develop maintenance plans to ensure 
ozone concentrations do not increase over time to unhealthy levels. The 
EAC program involves a commitment by areas close to attainment of the 
ozone standard to achieve clean air sooner. The areas' commitment is 
demonstrated by implementing control measures to achieve attainment 
earlier than mandated by the 8-hour ozone NAAQS and the Clean Air Act. 
The EAC areas designated nonattainment, but were able to meet the 
requirements of the EAC Protocol currently have a deferral of their 
nonattainment designation until September 30, 2005.

IV. What Is an EAC?

    An ``EAC'' is an ``Early Action Compact.'' This is an agreement 
between a State, local governments, and EPA to implement measures not 
necessarily required by the CAA in order to achieve cleaner air as soon 
as possible. Communities close to or exceeding the 8-hour ozone 
standard that have elected to enter into an EAC have started reducing 
air pollution at least two years sooner than required by the Act. In 
many cases, these reductions will be achieved by local air pollution 
control measures not otherwise mandated under the Act. The program was 
designed for areas that approach or monitor exceedances of the 8-hour 
standard, but are in attainment for the 1-hour ozone standard. The 1-
hour ozone standard will be revoked as of June 15, 2005 in most areas. 
It will not be revoked for previous 1-hour nonattainment areas that are 
8-hour EAC areas, such as the Nashville, Tennessee and Greensboro-
Winston Salem-High Point, North Carolina 1-hour area (the Triad 8-hour 
EAC area).\3\ These areas will continue to implement transportation 
conformity requirements related to the 1-hour ozone standard. The 1-
hour ozone transportation conformity requirements will no longer be in 
effect one year after the 8-hour ozone attainment designation if the 
areas are successful in achieving attainment through implementation of 
the EAC. If any EAC area is unsuccessful in attaining the 8-hour ozone 
NAAQS through the EAC process, it will be subject to the 8-hour ozone 
transportation conformity requirements one year after the nonattainment 
designation becomes effective.
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    \3\ Notably, the counties included in the 8-hour EAC area may 
not directly correspond with all the counties included in the 
previous 1-hour area for the similar geographic area.
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    The initial choice to enter into an EAC was voluntary on behalf of 
the local officials and State air quality officials. EPA believes that 
early planning and implementation of control measures that improve air 
quality will likely accelerate protection of public health. The EAC 
program allows participating State and local entities to make decisions 
that will accelerate meeting the new 8-hour ozone standard using local 
pollution control measures in addition to federally mandated measures. 
While the choice of entering into an EAC was voluntary, all measures 
adopted as part of the EAC are now being proposed for incorporation 
into the SIP and will be mandatory and federally enforceable.
    In Region 4, EPA initially received 22 requests to enter into EACs 
in December 2002, including 100 counties in four states. Currently, 
there are 17 areas and 85 counties included in the EAC program in four 
states. Of those 17, only eight areas received a deferral of their 
nonattainment designation. Five of the eight areas that have a deferred 
nonattainment designation are now attaining the 8-hour ozone standard 
and modeling attainment into the future. Consistent with EPA's EAC 
Protocol, states with communities participating in the EAC program had 
to submit plans for meeting the 8-hour ozone standard by December 31, 
2004, rather than June 15, 2007, the CAA deadline for all other areas 
not meeting the standard. The EAC Protocol further requires communities 
to develop and implement air pollution control strategies, account for 
emissions growth and demonstrate attainment by 2007 and maintenance for 
at least five years of the 8-hour ozone standard. Greater details of 
the EAC program are explained in EPA's December 16, 2003, (68 FR 70108) 
proposed Federal Register document entitled ``Deferral of Effective 
Date of Nonattainment Designations for 8-hour Ozone National Ambient 
Air Quality Standards for Early Action Compact Areas.''
    On December 20, December 27, and December 31, 2002, South Carolina 
submitted signed EACs for the South Carolina-Georgia EAC Areas (see 
Section I). Georgia EPD submitted materials supporting the Lower 
Savannah EAC Area on December 31, 2002. The EACs were signed by 
representatives of the local communities, State air quality officials 
in both Georgia and South Carolina, and the Regional Administrator. The 
South Carolina and Georgia EAC area designations are discussed further 
in Section V of today's proposal. To date, the South Carolina-Georgia 
EAC Areas have met all EAC milestones and, as long as EAC areas 
continue to meet the agreed upon milestones, the nonattainment 
designations will be deferred until April 15, 2008. At that time, EAC 
areas with air quality monitoring data showing attainment for the years 
2005-2007 that have met all compact milestones will be designated 
attainment.

V. What Are the South Carolina-Georgia EAC Areas and Their Respective 
8-hour Ozone Designations?

    In April 2004, EPA designated areas as nonattainment for the 8-hour 
ozone NAAQS based upon air quality monitoring data during the 2001-2003 
ozone seasons. On April 30, 2004, (69 FR 23858) the EPA published a 
Final Rule in the Federal Register designating the following EAC 8-hour 
ozone nonattainment-deferred and

[[Page 30399]]

unclassifiable/attainment areas in South Carolina and Georgia:

                              South Carolina-Georgia EAC 8-hour Ozone Designations
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                   EAC areas                                      EAC 8-hour ozone designation
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Appalachian Area:
    Anderson County...........................  Nonattainment-deferred.
    Cherokee County...........................  Unclassifiable/Attainment.
    Greenville County.........................  Nonattainment-deferred.
    Oconee County.............................  Unclassifiable/Attainment.
    Pickens County............................  Unclassifiable/Attainment.
    Spartanburg County........................  Nonattainment-deferred.
Catawba Area:
    Chester County............................  Unclassifiable/Attainment.
    Lancaster County..........................  Unclassifiable/Attainment.
    Union County..............................  Unclassifiable/Attainment.
    York County (partial) a...................  Unclassifiable/Attainment.
Pee Dee Area:
    Chesterfield County.......................  Unclassifiable/Attainment.
    Darlington County.........................  Unclassifiable/Attainment.
    Dillion County............................  Unclassifiable/Attainment.
    Florence County...........................  Unclassifiable/Attainment.
    Marion County.............................  Unclassifiable/Attainment.
    Marlboro County...........................  Unclassifiable/Attainment.
Waccamaw Area:
    Georgetown County.........................  Unclassifiable/Attainment.
    Horry County..............................  Unclassifiable/Attainment.
    Williamsburg County.......................  Unclassifiable/Attainment.
Santee Lynches Area:
    Clarendon County..........................  Unclassifiable/Attainment.
    Kershaw County............................  Unclassifiable/Attainment.
    Lee County................................  Unclassifiable/Attainment.
    Sumter County.............................  Unclassifiable/Attainment.
Berkeley-Charleston-Dorchester (B-C-D) Area:
    Berkeley County...........................  Unclassifiable/Attainment.
    Charleston County.........................  Unclassifiable/Attainment.
    Dorchester County.........................  Unclassifiable/Attainment.
Low Country Area:
    Beaufort County...........................  Unclassifiable/Attainment.
    Colleton County...........................  Unclassifiable/Attainment.
    Hampton County............................  Unclassifiable/Attainment.
    Jasper County.............................  Unclassifiable/Attainment.
Lower Savannah Area (GA-SC):
    Aiken County, SC..........................  Unclassifiable/Attainment.
    Allendale County, SC......................  Unclassifiable/Attainment.
    Bamburg County, SC........................  Unclassifiable/Attainment.
    Barnwell County, SC.......................  Unclassifiable/Attainment.
    Calhoun County, SC........................  Unclassifiable/Attainment.
    Orangeburg County, SC.....................  Unclassifiable/Attainment.
    Columbia County, GA.......................  Unclassifiable/Attainment.
    Richmond County, GA.......................  Unclassifiable/Attainment.
Central Midlands Area:
    Fairfield County..........................  Unclassifiable/Attainment.
    Lexington County..........................  Nonattainment-deferred.
    Newberry County...........................  Unclassifiable/Attainment.
    Richland County...........................  Nonattainment-deferred.
Upper Savannah Area:
    Abbeville County..........................  Unclassifiable/Attainment.
    Edgefield County..........................  Unclassifiable/Attainment.
    Greenwood County..........................  Unclassifiable/Attainment.
    Laurens County............................  Unclassifiable/Attainment.
    Saluda County.............................  Unclassifiable/Attainment.
----------------------------------------------------------------------------------------------------------------
a the portion of York not designated nonattainment for 8-hour ozone in the Charlotte nonattainment area.

    Currently, eight out of the ten South Carolina-Georgia EAC Areas do 
not have deferred nonattainment designations and are participating in 
the EAC process to demonstrate their support of cleaner air statewide. 
There are only two areas, Appalachian and Central Midlands, in South 
Carolina, with nonattainment-deferred designations that are 
participating in the EAC program. Those counties in the Appalachian, 
Anderson, Greenville, and Spartanburg, South Carolina areas are now 
attaining the 8-hour ozone standard based on 2002-2004 air quality 
monitoring data. Those counties in the Central Midlands, Lexington and 
Richland, South Carolina areas are very close to the standard and are 
modeling attainment by 2007. To date, the South Carolina-Georgia EAC 
Areas have met all EAC milestones and,

[[Page 30400]]

as long as EAC areas continue to meet the agreed upon milestones, the 
impact of the nonattainment designations will be deferred until April 
15, 2008. At that time, EPA will evaluate the 8-hour ozone designations 
for these areas.

VI. How Is Attainment Demonstrated for the 8-hour Standard With a 
Photochemical Model?

    In developing its SIP, an area will typically evaluate necessary 
control measures using modeling programs to determine how that area can 
meet and maintain the NAAQS. This process is no different for EAC areas 
which used modeling and screening tests to evaluate attainment and 
maintenance of the 8-hour ozone standard. The attainment tests use 
ambient air quality monitored design values with model-generated ozone 
concentration data. The test is applied at each monitor in the area as 
well as applicable unmonitored modeling sites in the EAC area. A future 
year design value is developed by multiplying the ratio of the future 
year to current year model-predicted 8-hour daily maximum ozone 
concentrations by a current design value. The current design value is 
developed from air quality monitored data. Under EPA regulations at 40 
CFR Part 50, the 8-hour ozone standard is attained when the 3-year 
average of the annual fourth-highest daily maximum 8-hour average 
ambient ozone concentrations is less than or equal to 0.08 ppm. (See 69 
FR 23857, April 30, 2004, for further information). If modeled 
predicted future site-specific design values are less than 0.085 ppm at 
each monitor site, the test is passed.\4\
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    \4\ Although the 8-hour ozone standard is 0.08 ppm, monitored 
values less than 0.085 are rounded down to 0.08 whereas monitored 
values equal to or greater than 0.085 are rounded up, and considered 
to be an exceedance of the standard. The 8-hour ozone standard can 
also be expressed in parts per billion and EPA often refers to 
monitors meeting the standard if they monitor values less than 85 
ppb.
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A. How Was Attainment Demonstrated Through the South Carolina EAC 
Modeling?

    The South Carolina modeling was developed consistent with the EPA 
draft modeling guidance and EAC Protocol guidance that was available 
when the modeling was conducted. \5\ Note, the names of the areas used 
in the modeling for attainment differ from the names of the EAC areas. 
The South Carolina--Georgia EAC Areas and their modeled area 
counterparts are presented in Table 1.
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    \5\ The EPA issued guidance on the air quality modeling that is 
used to demonstrate attainment with the 8-hour ozone NAAQS. See U.S. 
EPA, (1999), Draft Guideline on the Use of Models and Other Analysis 
in Attainment Demonstrations for the 8-Hour Ozone NAAQS, EPA-454/R-
99-00413, (May 1999). A copy may be found on EPA's Web site at 
http://www.epa.gov/ttn/scram/ (file name: ``DRAFT8HR'').
    EPA, June, 2002. ``Protocol for Early Action Compacts Designed 
to Achieve and Maintain the 8-Hour Ozone Standard''. Located at 
http://www.epa.gov/ttn/naaqs/ozone/eac/.
    ``Appendix W to 40 CFR Part 51: Guideline on Air Quality 
Models.'' Located at http://www.epa.gov/scram001/ (file name: 
``Appendix W'').

                           Table 1.--Naming Convention for EAC Areas and Modeled Areas
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                  EAC area                                        Modeled areas with monitors
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Appalachian.................................  Anderson/Greenville/Spartanburg.
Catawba.....................................  Rock Hill.
PeeDee......................................  Darlington/Florence.
Waccamaw....................................  Coastal Sites.
Santee Lynches..............................  Area without monitors.
Berkeley, Charleston, Dorchester............  Coastal Sites without monitors.
Low Country.................................  Coastal Sites.
Lower Savannah..............................  Aiken/Augusta.
Central Midlands............................  Columbia.
Upper Savannah..............................  Anderson/Greenville/Spartanburg.
----------------------------------------------------------------------------------------------------------------

    Although EPA guidance recommends use of a 1999 inventory for EAC 
areas, South Carolina's use of a 1998 inventory was allowed for a 
number of reasons. Most notably, the 1998 emissions inventory is 
considered more representative and conservative than the1999 emissions 
inventory. Other reasons are discussed in the South Carolina Technical 
Support Document (TSD). In evaluating South Carolina's request to use 
1998 data, the State presented a comparison between the 1999 National 
Emissions Inventory and the 1998 State inventory. Although a 
discrepancy existed in the estimation of the area source emissions, the 
State was able to explain how the conclusions for attainment would not 
be compromised with the use of the 1998 emissions. Therefore, the 
State's analysis indicates that use of the 1998 inventory is acceptable 
for demonstrating attainment in EAC areas. (The TSDs to this document 
contain a more detailed discussion of this issue and other areas of the 
technical demonstration for attainment and maintenance.)
    Using 1998 as its ``current year,'' the South Carolina modeling 
predicted that the State would attain the 8-hour ozone standard at all 
EAC area monitors for the future years of 2007, 2012 and 2017. The 
higher of the 1997-1999 and 2001-2003 design values were used in the 
application of the modeled and screening tests for the EAC modeling. 
The future-predicted design values using the South Carolina modeling 
are presented in Table 2. South Carolina--Georgia EAC Areas were 
modeling attainment without incorporating the local EAC measures into 
the modeling. Therefore, these additional measures, that will be 
required by the South Carolina and Georgia SIPs, will provide 
additional air quality benefits beyond what was presented in this 
modeling.

[[Page 30401]]



                        Table 2.--South Carolina--Georgia EAC Future Design Values (ppb)
----------------------------------------------------------------------------------------------------------------
                                                                     2007  DVF       2012  DVF       2017  DVF
              Area/county                        Monitor               (ppb)           (ppb)           (ppb)
----------------------------------------------------------------------------------------------------------------
                                             Aiken/Augusta EAC Area
----------------------------------------------------------------------------------------------------------------
Aiken.................................  Jackson.................              72              72              70
Barnwell..............................  Barnwell................              71              71              69
Edgefield.............................  Trenton.................              72              69              67
Richmond, GA..........................  Augusta.................              77              75              74
---------------------------------------
                                    Anderson/Greenville/Spartanburg EAC Area
----------------------------------------------------------------------------------------------------------------
Abbeville.............................  Due West................              78              69              66
Anderson..............................  Powdersville............              84              80              78
Cherokee..............................  Cowpens.................              80              78              76
Oconee................................  Long Creek..............              74              72              71
Pickens...............................  Clemson.................              80              77              75
Spartanburg...........................  North Spartanburg Fire                81              80              79
                                         Station.
Union.................................  Delta...................              73              67              64
---------------------------------------
                                                Columbia EAC Area
----------------------------------------------------------------------------------------------------------------
Richland..............................  Parklane................              79              77              76
Richland..............................  Sandhill................              80              77              75
Richland..............................  Congaree Bluff..........              61              59              58
---------------------------------------
                                          Darlington/Florence EAC Area
----------------------------------------------------------------------------------------------------------------
Darlington............................  Pee Dee.................              77              74              73
---------------------------------------
                                               Rock Hill EAC Area
----------------------------------------------------------------------------------------------------------------
Chester...............................  Chester.................              82              77              75
York..................................  York....................              78              74              73
---------------------------------------
                                             Coastal Sites EAC Area
----------------------------------------------------------------------------------------------------------------
Berkeley..............................  Bushy Park..............              69              67              66
Charleston............................  Army Reserve............              66              64              63
Charleston............................  Cape Romain.............              71              68              69
Colleton..............................  Ashton..................              68              66              64
Williamsburg..........................  Indiantown..............              61              61              60
----------------------------------------------------------------------------------------------------------------

B. How Was Supplemental Modeling Developed by Georgia Used in the 
Demonstration for Attainment in South Carolina?

    The Lower Savannah (Aiken/Augusta) EAC area is a multi-state area 
that includes counties in both Georgia and South Carolina. This area 
was designated attainment for the 8-hour ozone standard on June 15, 
2004. Both states independently developed 8-hour ozone attainment 
demonstrations for the Aiken/Augusta EAC area. The Georgia modeling was 
developed consistent with existing EPA modeling and EAC Protocol 
guidance and is discussed in greater detail in the Georgia TSD. In 
Georgia, the air quality modeled concentrations were developed using 
the Community Multiscale Air Quality (CMAQ), a regional- and urban-
scale, nested-grid photochemical air quality model. A current year of 
2000 was modeled for the attainment test. Georgia's modeling 
demonstrated attainment of the 8-hour ozone standard for the future 
years of 2007 and 2012 for the Lower Savannah (Aiken/Augusta) EAC area 
using current design values from 1999-2001. This modeling by Georgia 
strengthens the results of South Carolina's modeling because the future 
year results are consistent in concluding attainment and maintenance of 
the 8-hour ozone standard. A comparison of the future-predicted design 
values as independently developed in the South Carolina and Georgia 
modeling are presented in Table 3.

 Table 3.--Aiken/Augusta Future Design Values (ppb) From South Carolina
                               and Georgia
------------------------------------------------------------------------
                                                          2007     2012
                Augusta EAC area county                   DVF      DVF
                                                         (ppb)    (ppb)
------------------------------------------------------------------------
                              Richmond, GA
------------------------------------------------------------------------
SC results............................................       77       75
GA results............................................       77       73
-------------------------------------------------------
                                Aiken, SC
------------------------------------------------------------------------
SC results............................................       72       72
GA results............................................       75       72
-------------------------------------------------------
                              Edgefield, SC
------------------------------------------------------------------------
SC results............................................       72       69
GA results............................................       70       66
-------------------------------------------------------
                              Barnwell, SC
------------------------------------------------------------------------
SC results............................................       71       71
GA results............................................       71       70
------------------------------------------------------------------------


[[Page 30402]]

C. What Is the Maintenance for Growth Plan for the EAC Areas?

    In addition to control measures designed to attain and maintain the 
8-hour ozone standard, South Carolina's EAC SIP submittal also includes 
a comprehensive maintenance plan. Specific details on the maintenance 
plan are contained in the South Carolina EAC SIP. In summary, South 
Carolina proposes to implement a maintenance plan similar to the 
requirements for section 175A of the Clean Air Act, which requires 
maintenance plans to be submitted for all areas redesignated from 
nonattainment to attainment. EPA's EAC Protocol required demonstration 
of maintenance of the 8-hour ozone standard through 2012; South 
Carolina's maintenance plan models attainment through 2017. The South 
Carolina EAC maintenance plan includes the following:
     An attainment demonstration for the 2007-2017 period. 
Future design values developed through modeling for 2007, 2012 and 2017 
that are below 85 ppb at all monitors in the EAC areas; Table 2 
presents these attainment test results.
     A commitment for a mid-point evaluation in 2012.
     A commitment to develop the maintenance plan for a second 
10-year period for 2017-2027 and a schedule for developing that plan 
including emission inventories and air quality modeling:
     December 2004--SC DHEC submits EAC SIP, covering both 
attainment date of 2007 and first 10-year maintenance period through 
2017.
     April 2005--SC DHEC and EAC areas implement EAC measures.
     December 2005--First annual tracking report is submitted 
to EPA.
     December 2006--Second annual tracking report is submitted 
to EPA.
     December 2007--Attainment date.
     December 2007--Third annual tracking report is submitted 
to EPA.
     April 2008--EPA designates area attainment for the 8-hour 
standard providing areas have 3 years of quality assured data showing 
attainment.
     December 2008--Fourth annual tracking report is submitted 
to EPA and continues for each year thereafter through the end of the 
maintenance period.
     January 2013--SC DHEC begins work on 10-year maintenance 
plan update.
     December 2015--Submits 10-year maintenance plan update.
     December 2027--20-year maintenance plan and annual 
tracking for growth concludes.
     Commitment to update the EAC plan and submit to EPA in 
2015.
     Commitment to annually track stationary and highway mobile 
source emissions Provides triggers (emissions growth thresholds and 
rates) and actions (air quality analyses, modeling and adopting 
additional controls) to be performed to address emission growth.
     Based on the tracking of the growth of stationary source 
emissions, the maintenance plan commits to adopt and implement 
additional control measures, if needed, throughout the maintenance 
period.
     Commitment to perform air quality analyses reviews and 
report each December.
     Commitments for tracking and taking follow-up actions are 
in force unless the 8-hour ozone standard is revoked in the future. 
South Carolina believes that would happen only in the event that EPA 
revises or revokes the current 8-hour ozone standard of 0.08 parts per 
million. To date, EPA has not proposed any revisions to the ozone 
NAAQS.
     Commitment to evaluate, in 2008, whether or not a full 
modeling update is needed for all EAC areas.
     Provides the following timeline of actions and submittals 
for the maintenance plan from December 2004 to December 2027.
    In addition to South Carolina's maintenance plan, the Georgia 
modeling indicates that maintenance of the 8-hour ozone standard will 
likely continue beyond the 2007 attainment date for the Aiken/Augusta 
EAC area. For further information, refer to Appendix 17--Augusta Early 
Action Compact Ozone State Implementation Plan Revision of the South 
Carolina EAC submittal. The Georgia and South Carolina TSDs are 
available in the electronic public docket, RME ID No. R04-OAR-2005-GA-
0001 and R04-OAR-2005-SC-0001 (see the ADDRESSES section of this notice 
for further information on RME).

D. What Are EPA's Conclusions on the EAC Technical Demonstration for 
Attainment and Maintenance?

    EPA evaluation of the South Carolina and Georgia EAC modeling 
indicates that the South Carolina-Georgia EAC Areas will attain and 
maintain the 8-hour ozone standard at least until 2017. Even though the 
South Carolina and Georgia modeling demonstrations were independently 
developed using different assumptions, inventories, episodes, and 
models, the results were similar--consistent levels of future 
attainment are indicated and the future design values are below 85 ppb 
and within 3 ppb of each other for the Aiken/Augusta area. EPA's 
analysis indicates that the appropriate data and procedures were used 
to assess 8-hour ozone attainment for the Aiken/Augusta EAC areas, and 
all other South Carolina-Georgia EAC Areas. EPA's analysis moreover 
indicates that the combinations of local scale modeling and control 
strategies demonstrate attainment of the 8-hour ozone NAAQS for each 
South Carolina EAC area. Additional details of the South Carolina and 
Georgia EAC modeling are presented in the TSDs for the two state 
submittals.

VII. What Measures Are Included in This EAC SIP Submittal?

    The South Carolina and Georgia EACs incorporate both local and 
statewide control measures to attain and maintain the 8-hour ozone 
standard. Many of the measures outlined for inclusion in the SIP are 
not necessary for attainment or maintenance of the 8-hour ozone 
standard, but are additional measures that will improve air quality and 
South Carolina and Georgia have committed to implementing these 
additional measures through the EAC program.
    Some of the measures used to model attainment are federal measures 
(national and regional measures) such as Phase I of the NOX 
SIP Call, which regulates nitrogen oxides emitted from large 
facilities, and Tier 2 vehicle standards, which affect all passenger 
vehicles in a manufacturer's fleet. South Carolina's modeling also 
included statewide measures. As part of its commitment to cleaner air 
quality sooner, South Carolina promulgated amendments to Regulation 61-
62, Air Pollution Control Regulations and Standards by adding 
regulation 61-62.5 Standard No. 5.2, Control of Oxides of Nitrogen 
(NOX) and revising Regulation 61-62.2--Prohibition of Open 
Burning. Regulation 61-62.5 Standard No. 5.2, Control of Oxides of 
Nitrogen (NOX) applies to new and existing stationary 
sources that emit NOX from fuel combustion and have not 
undergone a best available control technology (BACT) analysis for 
NOX. The regulation is designed primarily to assist with the 
issue of growth and is also geared toward smaller sources that fall 
below the applicability thresholds for prevention of significant 
deterioration (PSD). These are sources that, for the most part, would 
not otherwise be required to install NOX controls. For new 
sources, the regulation requires the installation of control technology 
that is based on BACT standards found in the national RACT/BACT/LAER 
clearinghouse. For existing sources, the regulation only applies when 
an applicable unit replaces its burner. At this point, the facility 
would be required

[[Page 30403]]

to replace the burner with a low NOX burner or equivalent 
technology capable of achieving at least a 30 percent reduction from 
uncontrolled levels.
    The second statewide measure is additional restrictions on open 
burning. Regulation 61-62.2, Prohibition of Open Burning has been 
revised and deletes the exception for the burning of household trash 
and allows for certain residential construction waste to be burned only 
outside of the ozone season of April 1 through October 30. Therefore 
only certain types of ``clean'' wastes can be burned year round. A 
detailed description of the estimated NOX reductions can be 
found in Appendix 13--Estimated Emissions Reductions Achieved by R.61-
62.2, Prohibition of Open Burning, and by R.61-62.5, Control of Oxides 
of Nitrogen and in Appendix 16--County Level Emission Reductions and 
Descriptions for the Ozone Early Action Compact Areas, as part of the 
county level emission reductions for the EAC areas. These regulations 
will be applicable statewide and have also been submitted to EPA for 
incorporation into the SIP. Once approved, these regulations will be 
federally enforceable.
    In addition to the measures adopted statewide, the South Carolina 
SIP submittal also includes many local measures to be incorporated into 
the SIP. This occurs primarily in the nonattainment-deferred county 
descriptions which contains detailed local measures with estimated 
reductions. For all county level emissions reductions, see Appendix 
16--County Level Emission Reductions and Descriptions for the Ozone 
Early Action Compact Areas. These measures are outlined in the table 
below:

               County Level Emission Reductions in South Carolina EAC Nonattainment-Deferred Areas
----------------------------------------------------------------------------------------------------------------
                                                                Emissions reduction actual or potential
           Commitment               Implementation   -----------------------------------------------------------
                                      strategies              NOX                 VOC                 CO
----------------------------------------------------------------------------------------------------------------
SC 61-62.5, Std. 5.2, ``Control   SIP (federal and    2,913 tons\b\.....  Not avail.........  Not avail.
 of Oxides Nitrogen''--New State   State).
 Regulation.
SC 61-62.2, ``Prohibition of      SIP (federal and    147 tons\c\.......  698 tons..........  Not avail.
 Open Burning--Modified State      state).
 Regulation (PM reductions as
 well).
Smart Highways--Modified version  N/A (federal upon   0.................  0.................  0
 of Transportation Conformity      final SIP
 (deferred areas).                 approval).
Voluntary permit limit by SCE &   Through the MOA     40% red...........  0.................  0
 G--Wateree (Richland County).     until
                                   modification of
                                   the Title V
                                   permit, then
                                   enforceable
                                   through the
                                   permit (federal
                                   and state).
Voluntary permit reduction of     Through the MOA     0.................  0.................  0
 1,000 tons by International       until
 Paper (Richland).                 modification of
                                   the Title V
                                   permit, then
                                   enforceable
                                   through the
                                   permit (federal
                                   and state).
Voluntary control equipment       Federal and state   850 tons..........  Not avail.........  Not avail.
 installation at Duke Power--      (Permit).
 Installation of advanced low
 NOX burners on Units 1 and 2.
 Changes will result in emission
 limits reducing from 0.40lb/
 MMBtu to 0.24lb/MMBtu(Anderson).
Voluntary early installation of   Federal and state   2,561 tons........  Not avail.........  Not avail.
 control equipment at Transco      (Permit).
 Pipeline--Operating Permit 2060-
 0179. Transco has 14 natural
 gas fired internal combustion
 (IC) engines that collectively
 accounted for 3,822 tons of
 ozone season NOX emissions in
 1997. Transco has submitted a
 construction permit application
 to put on NOX controls that
 will result in 1,261 tons of
 ozone season NOX emissions. The
 permit was approved on April
 27, 2004.
Truck Stop Electrification        Federal and state   36.2 tons.........  1.84 tons.........  15.3 tons.
 Project (Anderson) 51 spaces      (MOA).
 were outfitted with Idle Aire
 Technology.
School Bus Retrofit Project       Federal and state   0.................  391 lbs...........  2,737 lbs.
 (Anderson) Approximately 23       (MOA).
 diesel buses will be
 retrofitted with particulate
 filters during 2006..
School Bus Retrofit Project       Federal and state   0.................  799 lbs...........  5,593 lbs.
 (Greenville) Approximately 47     (MOA).
 diesel buses will be
 retrofitted with particulate
 filters during 2006..
School Bus Retrofit Project       Federal and state   0.................  340 lbs...........  2,380 lbs.
 (Spartanburg) Approximately 20    (MOA).
 diesel buses will be
 retrofitted with particulate
 filters during 2006..
School Bus Retrofit Project       Federal and state   0.................  476 lbs...........  3,332 lbs.
 (Lexington) Approximately 28      (MOA).
 diesel buses will be
 retrofitted with particulate
 filters during 2006..

[[Page 30404]]

 
School Bus Retrofit Project       Federal and state   0.................  357lbs............  2,499 lbs.
 (Richland) Approximately 21       (MOA).
 diesel buses will be
 retrofitted with particulate
 filters during 2006..
Gas Can Exchange Events--115      N/A (federal upon   0.................  711lbs............  0.
 cans were exchanged               final SIP
 (Greenville).                     approval).
Gas Can Exchange Events--250      N/A (federal upon   0.................  823 lbs...........  0.
 cans were distributed             final SIP
 (Lexington and Richland).         approval).
Improvements to Park and Ride     County............  476 lbs...........  924 lbs...........  7,297 lbs.
 lot at Highway 378 and I-20
 (Lexington).
Conversion of Commercial Vehicle  N/A (federal upon   1,638 lbs.........  1,300 lbs.........  8,244 lbs.
 Fleet to Propane--(Lexington).    final SIP
                                   approval).
Biodiesel Buses, University of    N/A (federal upon   25 lbs............  12 lbs............  34 lbs.
 South Carolina. (Richland).       final SIP
                                   approval).
University of South Carolina      N/A (federal upon   18 lbs............  19 lbs............  1,250 lbs.
 Ethanol Project (Richland).       final SIP
                                   approval).
Take a Break from the Exhaust     State.............  393 lbs...........  568 lbs...........  5,494 lbs.
 program (Lexington, Newberry,
 Kershaw, and Richland).
SC DHEC has a number of flex      N/A (federal upon   103 lbs...........  104 lbs...........  6,030 lbs.
 fuel vehicles that run almost     final SIP
 exclusively on E85. (Richland).   approval).
Ethanol (E85) refueling station   N/A (federal upon   621 lbs...........  162 lbs...........  2,369 lbs.
 for public (Richland).            final SIP
                                   approval).
Smart Ride--Mass Transit Program  N/A (federal upon   207 lbs...........  153 lbs...........  3,166 lbs.
 (Lexington, Newberry, Kershaw,    final SIP
 and Richland).                    approval).
                                 ---------------------
    Totals from SC's Ozone Early  6,522 Tons........  703 Tons..........  36 Tons ..........
     Action Program.
----------------------------------------------------------------------------------------------------------------
b Potential reductions.
c The anticipated reductions noted here are from the ban imposed on the burning of residential construction
  waste only. Further reductions are expected to result from other revisions to the Open Burning regulation that
  are more difficult to quantify. For instance, the burning of household trash generates 2,379 tons of NOX and
  11,896 tons of VOCs annually. The revision to the regulation that occurred through this process closed a
  loophole that had allowed household trash to be burned under certain circumstances. While it is not clear the
  exact amount of reductions that will result from this revision, it is certain that additional reductions in
  both NOX and VOCs will occur.

    In addition to measures being implemented throughout the state of 
South Carolina, similar measures in the state of Georgia are likely to 
positively impact air quality in the Lower Savannah (Aiken/Augusta) EAC 
area. There are two counties in Georgia, Richmond and Columbia, 
participating in the Early Action Compact Program as a part of the 
Upper Savannah area. Georgia has statewide control measures that will 
be implemented and they are an open burning ban during the ozone season 
and Stage I Vapor Recovery. In addition to the open burning bans and 
Stage I Vapor Recovery measures, Richmond County and the City of 
Augusta may be pursuing a number of local measures, such as 
distributing information at public meetings about air quality and the 
impact of air pollution on human health, implementing projects in the 
regional bicycle and pedestrian plan, and smog alerts. A more detailed 
list of control measures under consideration was submitted with the 
December 2003 milestone report. Attachment B of the Georgia (Augusta) 
EAC SIP submittal contains a copy of a resolution of support for the 
Augusta EAC that the Augusta/Richmond Council adopted on April 20, 
2004. The Georgia EPD has not incorporated any quantitative emission 
reductions from any current or planned local measures into the 
demonstration contained in this SIP.

VIII. What Happens if the Area Does Not Meet the EAC Commitments or 
Milestones?

    In the April 30, 2004, (69 FR 23858) Final Rulemaking, EPA 
designated the counties of Anderson, Greenville, and Spartanburg, and 
partial counties of Lexington and Richland as nonattainment-deferred 
for the 8-hour ozone standard. In accordance with the April 30, 2004, 
(69 FR 23858) Final Rulemaking, the effective date of nonattainment for 
these counties in the EAC areas of Appalachian and Central Midlands, 
respectively, (see Section V) has been deferred until September 30, 
2005. The measures outlined in the South Carolina and Georgia EAC SIP 
submittals provide every indication that the South Carolina-Georgia EAC 
Areas will attain the 8-hour ozone standard by December 31, 2007 and 
complete each milestone and action agreed upon in the compact. However, 
if one milestone is missed, EPA will take action to propose and 
promulgate a finding of failure to meet the milestone, and to withdraw 
the deferred effective date of the nonattainment designation.

IX. Why Are We Proposing To Approve This EAC SIP Submittal?

    We are proposing to approve this EAC SIP submittal because the SIP 
submittals demonstrate attainment of the 8-hour ozone standard by 
December 31, 2007, and maintenance of that standard through 2017 in 
South Carolina and 2012 for Georgia. We have reviewed the submittals 
and determined that they are consistent with the requirements of the 
Act, EPA's policy, and the EAC Protocol. The TSDs for each state 
contain additional and more detailed information concerning this 
proposed action.
    Approving the EAC submittals into the SIP will also mean that 
measures and controls identified therein become federally enforceable 
and the ten South Carolina-Georgia EAC Areas' citizens will start to 
benefit from reductions in

[[Page 30405]]

air pollution earlier than the statutory deadlines. See Section VII of 
this proposal for the description of air pollution control measures. 
Finally, it means that EPA has determined that the EAC areas have 
continued to fulfill the milestones and obligations of the EAC Program. 
In a separate action, EPA will take action proposing to defer the 
effective date of nonattainment designation for these areas until 
December 31, 2006, so long as the areas continue to fulfill the EAC 
obligations, including semi-annual reporting requirements, 
implementation of the measures in the EAC submittal by December 31, 
2005, and a progress assessment by June 30, 2006.

X. Proposed Action

    EPA is proposing to approve the attainment demonstration and the 
South Carolina-Georgia EACs of Appalachian, Catawba, Pee Dee, Waccamaw, 
Santee Lynches, Berkeley-Charleston-Dorchester, Low Country, Lower 
Savannah, Central Midlands, and Upper Savannah areas and incorporate 
these into the South Carolina and Georgia SIPs. The modeling of ozone 
concentrations and ozone precursor emissions from sources in the 47 
counties within the South Carolina-Georgia EAC Areas demonstrate that 
the specified control strategies will provide for attainment of the 8-
hour ozone NAAQS by December 31, 2007. These specified control 
strategies are consistent with the EAC program.

XI. Statutory and Executive Order Reviews

    Under Executive Order 12866 (58 FR 51735, October 4, 1993), this 
proposed action is not a ``significant regulatory action'' and 
therefore is not subject to review by the Office of Management and 
Budget. For this reason, this action is also not subject to Executive 
Order 13211, ``Actions Concerning Regulations That Significantly Affect 
Energy Supply, Distribution, or Use'' (66 FR 28355, May 22, 2001). This 
proposed action merely proposes to approve state law as meeting Federal 
requirements and imposes no additional requirements beyond those 
imposed by state law. Accordingly, the Administrator certifies that 
this proposed rule will not have a significant economic impact on a 
substantial number of small entities under the Regulatory Flexibility 
Act (5 U.S.C. 601 et seq.). Because this rule proposes to approve pre-
existing requirements under state law and does not impose any 
additional enforceable duty beyond that required by state law, it does 
not contain any unfunded mandate or significantly or uniquely affect 
small governments, as described in the Unfunded Mandates Reform Act of 
1995 (Pub. L. 104-4).
    This proposed rule also does not have tribal implications because 
it will not have a substantial direct effect on one or more Indian 
tribes, on the relationship between the Federal Government and Indian 
tribes, or on the distribution of power and responsibilities between 
the Federal Government and Indian tribes, as specified by Executive 
Order 13175 (65 FR 67249, November 9, 2000). This action also does not 
have Federalism implications because it does not have substantial 
direct effects on the States, on the relationship between the national 
government and the States, or on the distribution of power and 
responsibilities among the various levels of government, as specified 
in Executive Order 13132 (64 FR 43255, August 10, 1999). This action 
merely proposes to approve a state rule implementing a Federal 
standard, and does not alter the relationship or the distribution of 
power and responsibilities established in the Clean Air Act. This 
proposed rule also is not subject to Executive Order 13045 ``Protection 
of Children from Environmental Health Risks and Safety Risks'' (62 FR 
19885, April 23, 1997), because it is not economically significant.
    In reviewing SIP submissions, EPA's role is to approve state 
actions, provided that they meet the criteria of the Clean Air Act. In 
this context, in the absence of a prior existing requirement for the 
State to use voluntary consensus standards (VCS), EPA has no authority 
to disapprove a SIP submission for failure to use VCS. It would thus be 
inconsistent with applicable law for EPA, when it reviews a SIP 
submission, to use VCS in place of a SIP submission that otherwise 
satisfies the provisions of the Clean Air Act. Thus, the requirements 
of section 12(d) of the National Technology Transfer and Advancement 
Act of 1995 (15 U.S.C. 272 note) do not apply. This proposed rule does 
not impose an information collection burden under the provisions of the 
Paperwork Reduction Act of 1995 (44 U.S.C. 3501 et seq.).

List of Subjects 40 CFR Part 52

    Environmental protection, Air pollution control, Intergovernmental 
relations, Nitrogen dioxide, Ozone, Reporting and recordkeeping 
requirements, Volatile organic compounds.

    Authority: 42 U.S.C. 7401 et seq.

    Dated: May 18, 2005.
J.I. Palmer, Jr.,
Regional Administrator, Region 4.
[FR Doc. 05-10475 Filed 5-25-05; 8:45 am]
BILLING CODE 6560-50-P