```

[Federal Register: August 5, 2010 (Volume 75, Number 150)]
[Rules and Regulations]               
[Page 47218-47223]
From the Federal Register Online via GPO Access [wais.access.gpo.gov]
[DOCID:fr05au10-20]                         

=======================================================================
-----------------------------------------------------------------------

ENVIRONMENTAL PROTECTION AGENCY

40 CFR Parts 52 and 81

[EPA-R04-OAR-2010-0134-201027; FRL-9184-9]

 
Approval and Promulgation of Implementation Plans and Designation 
of Areas for Air Quality Planning Purposes; Kentucky; Redesignation of 
the Kentucky Portion of the Cincinnati-Hamilton 1997 8-Hour Ozone 
Nonattainment Area to Attainment

AGENCY: Environmental Protection Agency (EPA).

ACTION: Final rule.

-----------------------------------------------------------------------

SUMMARY: EPA is taking final action to approve a request submitted on 
January 29, 2010, from the Commonwealth of Kentucky, through the 
Kentucky Energy and Environment Cabinet, Division for Air Quality 
(DAQ), to redesignate the Kentucky portion of the tri-state Cincinnati-
Hamilton 8-hour ozone nonattainment area (hereafter referred to as 
``the Cincinnati-Hamilton Area'') to attainment for the 1997 8-hour 
ozone national ambient air quality standards (NAAQS). The Cincinnati-
Hamilton Area is comprised of Boone, Campbell and Kenton Counties in 
Kentucky (hereafter also referred to as ``Northern Kentucky''); Butler, 
Clermont, Clinton, Hamilton and Warren Counties in Ohio; and a portion 
of Dearborn County in Indiana. EPA's approval of the redesignation 
request is based on the determination that Northern Kentucky has met 
the criteria for redesignation to attainment set forth in the Clean Air 
Act (CAA), including the determination that the Cincinnati-Hamilton 
Area has attained the 1997 8-hour ozone NAAQS. Additionally, EPA is 
approving a revision to the Kentucky State Implementation Plan (SIP) 
including the 1997 8-hour ozone maintenance plan for Northern Kentucky 
that contains the new 2015 and 2020 motor vehicle emission budgets 
(MVEBs) for nitrogen oxides (NOX) and volatile organic 
compounds (VOC) for Northern Kentucky. This action also approves the 
emissions inventory submitted with the maintenance plan. EPA has 
previously approved, in a separate rulemaking, similar redesignation 
requests submitted by the States of Ohio and Indiana for their portions 
of this 1997 8-hour ozone area.

DATES: Effective Date: This rule will be effective August 5, 2010.

ADDRESSES: EPA has established a docket for this action under Docket 
Identification No. EPA-R04-OAR-2010-0134. All documents in the docket 
are listed on the http://www.regulations.gov Web site. Although listed 
in the index, some information is not publicly available, i.e., 
Confidential Business Information 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 through http://www.regulations.gov 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 person 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 to 4:30, excluding 
Federal holidays.

FOR FURTHER INFORMATION CONTACT: Jane Spann, 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. Jane Spann may be reached by 
phone at (404) 562-9029 or via electronic mail at spann.jane@epa.gov.

SUPPLEMENTARY INFORMATION:

Table of Contents

I. What Is the Background for the Actions?
II. What Actions Is EPA Taking?
III. Why Is EPA Taking These Actions?
IV. What Are the Effects of These Actions?
V. Response to Comments
VI. Final Action
VII. Statutory and Executive Order Reviews

I. What Is the Background for the Actions?

    On January 29, 2010, the Commonwealth of Kentucky, through DAQ, 
submitted a request to redesignate Northern Kentucky (as a portion of 
the Cincinnati-Hamilton Area) to attainment for the 1997 8-hour ozone 
NAAQS, and for EPA approval of the Kentucky SIP revision containing a 
maintenance plan for Northern Kentucky. In an action published on May 
12, 2010 (75 FR 26685), EPA proposed to approve the redesignation of 
Northern Kentucky to attainment. EPA also proposed approval as a SIP 
revision of Kentucky's plan for maintaining the 1997 8-hour NAAQS, 
including the emissions inventory submitted pursuant to CAA section 
172(c)(3); and the NOX and VOC MVEBs for Northern Kentucky contained in 
the maintenance plan. The background for these rulemakings is set forth 
in detail in EPA's May 12, 2010 proposal.
    The MVEBs included in the maintenance plan are as follows:

              Table 1--Northern Kentucky VOC and NOX MVEBs
                   [Summer season tons per day (tpd)]
------------------------------------------------------------------------
                         Year                             2015     2020
------------------------------------------------------------------------
NOX...................................................    14.40    13.27
VOC...................................................     9.76    10.07
------------------------------------------------------------------------

    In its May 12, 2010, proposed action, EPA stated that the adequacy 
public comment period on these MVEBs (as contained in Kentucky's 
submittal) began on February 3, 2010, and closed on March 5, 2010. No 
comments were received during this public comment period, and 
therefore, EPA deems the new MVEBs for Northern Kentucky adequate for 
the purposes of transportation conformity. In a separate action, EPA 
previously found adequate and approved the MVEB's for the Ohio and 
Indiana portions of the Cincinnati-Hamilton Area (75 FR 26118, May 11, 
2010).
    As we stated in the May 12, 2010, proposal, this redesignation 
addresses Northern Kentucky's status solely with respect to the 1997 8-
hour ozone NAAQS, for which designations were finalized on April 30, 
2004 (69 FR 23857). In 2008, EPA issued a revised 8-hour ozone NAAQS, 
which is currently under reconsideration. Today's rulemaking concerns 
only the 1997 8-hour ozone NAAQS, and does not address or affect the 
2008 or any subsequently revised and promulgated ozone NAAQS.
    In this final rulemaking, EPA is noting a correction for the site 
identification numbers listed in EPA's May 12, 2010 (75 FR 26685), 
proposed approval. Specifically, the air quality monitor site 
identification number (ID) listed in Table 2 (Annual 4th Max High and 
Design Value Concentration for 8-Hour Ozone for the Cincinnati-Hamilton 
OH-KY-IN Area (parts per million)) of EPA's May 12, 2010 proposed 
rulemaking, column 3 labeled ``Monitor'' were incorrect for the Boone 
and Campbell County, Kentucky entries. The site monitor IDs should 
read: Boone

[[Page 47219]]

County--KY 338 & Lower River Road 21-015-0003 and Campbell County--
Highland Heights 21-037-3002. Please see below for the corrected table.

                 Table 2--Annual 4th Max High and Design Value Concentration for 8-Hour Ozone for the Cincinnati-Hamilton OH-KY-IN Area
                                                                   [Parts per million]
--------------------------------------------------------------------------------------------------------------------------------------------------------
                                                                                           2007 4th high   2008 4th high   2009 4th high     2007-2009
                 State*/county                                   Monitor                       (ppm)           (ppm)           (ppm)      average  (ppm)
--------------------------------------------------------------------------------------------------------------------------------------------------------
Ohio:
    Butler.....................................  Hamilton, 39-017-0004..................           0.091           0.071           0.073           0.078
                                                 Middletown, 39-017-1004................           0.091           0.079           0.076           0.082
    Clermont...................................  Batavia 39-025-0022....................           0.086           0.071           0.069           0.075
    Clinton....................................  Wilmington, 39-027-1022................           0.082           0.076           0.070           0.076
    Hamilton...................................  Grooms Rd., Cincinnati, 39-061-0006....           0.089           0.086           0.072           0.082
                                                 Cleves, 39-061-0010....................           0.086           0.077           0.065           0.076
                                                 250 Wm. Howard Taft, Cincinnati, 39-061-          0.086           0.080           0.074           0.080
                                                  0040.
    Warren.....................................  Lebanon, 39-165-0007...................           0.088           0.082           0.077           0.082
Kentucky:
    Boone......................................  KY 338 & Lower River Road, 21-015-0003.           0.078           0.064           0.064           0.068
    Campbell...................................  Highland Heights, 21-037-3002..........           0.086           0.075           0.068           0.076
    Kenton.....................................  Covington, 21-117-0007.................           0.085           0.073           0.074           0.077
--------------------------------------------------------------------------------------------------------------------------------------------------------

II. What Actions Is EPA Taking?

    In today's rulemaking, EPA is finalizing several related actions. 
EPA is approving: (1) Kentucky's redesignation request to change the 
legal designation of the Northern Kentucky portion of the Cincinnati-
Hamilton Area from nonattainment to attainment for the 1997 8-hour 
ozone NAAQS; (2) Kentucky's 1997 8-hour ozone maintenance plan for 
Northern Kentucky, including MVEB's (such approval being one of the CAA 
criteria for redesignation to attainment status); and (3) Kentucky's 
emissions inventory which was submitted pursuant to CAA section 
172(c)(3). The maintenance plan is designed to help keep the 
Cincinnati-Hamilton Area in attainment for the 1997 8-hour ozone NAAQS 
through 2020. EPA's approval of the redesignation request is based on 
EPA's determination that Northern Kentucky meets the criteria for 
redesignation set forth in CAA, sections 107(d)(3)(E) and 175A, 
including EPA's determination that the Cincinnati-Hamilton Area has 
attained the 1997 8-hour ozone NAAQS. EPA's analyses of Kentucky's 
redesignation request, emissions inventory, and maintenance plan are 
described in detail in the May 12, 2010 proposed rule (75 FR 26685).
    Consistent with the CAA, the maintenance plan that EPA is approving 
also includes 2015 and 2020 MVEBs for NOX and VOC for 
Northern Kentucky. In this action, EPA is approving these 
NOX and VOC MVEBs for the purposes of transportation 
conformity. For regional emission analysis years that involve the year 
2015, and any year between 2015 and 2020, the new 2015 MVEBs are the 
applicable budgets (for the purpose of conducting transportation 
conformity analyses). For regional emission analysis years that involve 
the year 2020 and beyond, the applicable budgets, for the purpose of 
conducting transportation conformity analyses, are the new 2020 MVEBs.

III. Why Is EPA Taking These Actions?

    EPA has determined that the Cincinnati-Hamilton Area has attained 
the 1997 8-hour ozone NAAQS and has also determined that all other 
criteria for the redesignation of Northern Kentucky (as part of the 
Cincinnati-Hamilton Area) from nonattainment to attainment of the 1997 
8-hour ozone NAAQS have been met. See section 107(d)(3)(E) of the CAA. 
EPA is also taking final action to approve the maintenance plan for 
Northern Kentucky as meeting the requirements of sections 175A and 
107(d)(3)(E) of the CAA, and the emissions inventory as meeting the 
requirements of section 172(c)(3) of the CAA. Furthermore, EPA is 
approving the new NOX and VOC MVEBs for the years 2015 and 
2020 as contained in Kentucky's maintenance plan for Northern Kentucky 
because these MVEBs are consistent with maintenance for the Cincinnati-
Hamilton Area. In the May 12, 2010, proposal to redesignate Northern 
Kentucky, EPA described the applicable criteria for redesignation to 
attainment and its analysis of how those criteria have been met. The 
bases and rationale for EPA's findings and actions are set forth in the 
proposed rulemaking, and in the responses to comments and other 
discussion in this final rulemaking.

IV. What Are the Effects of These Actions?

    Approval of the redesignation request changes the legal designation 
of Boone, Campbell and Kenton Counties in Kentucky (the Kentucky 
portion of the Cincinnati-Hamilton Area) from nonattainment to 
attainment for the 1997 8-hour ozone NAAQS. 40 CFR part 81. EPA is also 
approving as a revision to the Kentucky SIP, Kentucky's plan for 
maintaining the 1997 8-hour ozone NAAQS in the Cincinnati-Hamilton Area 
through 2020. The maintenance plan includes contingency measures to 
remedy possible future violations of the 1997 8-hour ozone NAAQS, and 
establishes NOX and VOC MVEBs for the years 2015 and 2020 
for Northern Kentucky. Additionally, this action approves the emissions 
inventory for Northern Kentucky pursuant to section 172(c)(3) of the 
CAA.\1\
---------------------------------------------------------------------------

    \1\ On May 11, 2010, EPA took final action to approve Ohio's and 
Indiana's redesignation requests for their respective portions of 
the Cincinnati-Hamilton Area, including approval of the associated 
emissions inventories, maintenance plans and MVEB's (75 FR 26118).
---------------------------------------------------------------------------

V. Response to Comments

    EPA received one set of comments from the Allegheny County Health 
Department on EPA's proposal. The comment received addresses minor 
arithmetic errors in tabulating totals in some maintenance plan 
emissions inventories. EPA's response to the comment is provided below.
    Comment: The Commenter, the Allegheny County Health Department 
states: ``In Table 3 of the proposed approval Federal Register the 
nonroad total for 2018 VOC should be 7.43 tons

[[Page 47220]]

per day (tpd) not 7.68 tpd and the 2018 VOC total for all sources 
should be 40.10 tpd when the nonroad total is corrected.''
    Response: EPA acknowledges the Commentor's correction for the total 
nonroad VOC and also notes that there were additional typographical 
errors in the proposed rule with regard to some of the totaled emission 
categories. See Table 3 and 4 below for the corrected VOC and 
NOX emissions totals. The corrected numbers are underlined. 
None of these corrections changes the downward trend of total Northern 
Kentucky VOC and NOX emissions from 2008 to 2020, and in 
some cases the revisions reflect lower emissions totals than were 
indicated in EPA's proposed rule. With these corrections, as in EPA's 
original proposal, Kentucky's plan for Northern Kentucky continues to 
demonstrate maintenance for the initial maintenance period with a total 
of 3.89 tpd reduction in VOC emissions, and 14.48 tpd reduction in 
NOX emissions from the 2008 baseline to the 2020 outyear.

                                 Table 3--Northern Kentucky VOC Emissions (tpd)
----------------------------------------------------------------------------------------------------------------
                                       2008            2011            2015            2018            2020
----------------------------------------------------------------------------------------------------------------
                                                      Point
----------------------------------------------------------------------------------------------------------------
Boone...........................            2.81            2.90            3.04            3.14            3.20
Campbell........................            0.28            0.29            0.30            0.31            0.31
Kenton..........................            1.17            1.23            1.31            1.38            1.42
                                 -------------------------------------------------------------------------------
     Point Total................            4.26            4.42            4.65            4.83            4.93
----------------------------------------------------------------------------------------------------------------
                                                      Area
----------------------------------------------------------------------------------------------------------------
Boone...........................            8.41            8.45            8.50            8.50            8.50
Campbell........................            4.34            4.28            4.20            4.20            4.20
Kenton..........................            7.88            7.79            7.66            7.66            7.66
                                 -------------------------------------------------------------------------------
    Area Total..................           20.63           20.52           20.36           20.36           20.36
----------------------------------------------------------------------------------------------------------------
                                                     Nonroad
----------------------------------------------------------------------------------------------------------------
Boone...........................            5.07            4.84            4.55            4.44            4.36
Campbell........................            1.51            1.41            1.29            1.25            1.22
Kenton..........................            1.95            1.87            1.76            1.74            1.73
                                 -------------------------------------------------------------------------------
    Nonroad Total...............            8.53            8.12            7.60            7.43            7.31
----------------------------------------------------------------------------------------------------------------
                                                     Mobile*
----------------------------------------------------------------------------------------------------------------
Boone...........................            4.00            3.63            3.17            3.04            2.96
Campbell........................            2.29            2.04            1.74            1.62            1.55
Kenton..........................            3.85            3.39            2.85            2.67            2.56
                                 -------------------------------------------------------------------------------
    Mobile Total................           10.14            9.06            7.76            7.33            7.07
                                 ===============================================================================
          Northern Kentucky                43.56           42.12           40.37           39.95           39.67
           Total................
----------------------------------------------------------------------------------------------------------------
* Calculated using MOBILE6.2.

                                 Table 4--Northern Kentucky NOX Emissions (tpd)
----------------------------------------------------------------------------------------------------------------
                                       2008            2011            2015            2018            2020
----------------------------------------------------------------------------------------------------------------
                                                      Point
----------------------------------------------------------------------------------------------------------------
Boone...........................           23.27           24.04           25.08           25.91           26.47
Campbell........................            0.02            0.02            0.02            0.03            0.03
Kenton..........................            0.03            0.03            0.03            0.03            0.03
                                 -------------------------------------------------------------------------------
    Point Total.................           23.32           24.09           25.13           25.97           26.53
----------------------------------------------------------------------------------------------------------------
                                                      Area
----------------------------------------------------------------------------------------------------------------
Boone...........................            5.02            5.02            5.03            5.03            5.03
Campbell........................            1.32            1.31            1.30            1.30            1.30
Kenton..........................            4.06            4.04            4.02            4.02            4.02
                                 -------------------------------------------------------------------------------
    Area Total..................           10.40           10.37           10.35           10.35           10.35
----------------------------------------------------------------------------------------------------------------
                                                     Nonroad
----------------------------------------------------------------------------------------------------------------
Boone...........................           11.02           10.47            9.77            9.60            9.48
Campbell........................            5.34            5.00            4.57            4.43            4.34

[[Page 47221]]

Kenton..........................            7.33            6.81            6.15            5.91            5.75
                                 -------------------------------------------------------------------------------
    Nonroad Total...............           23.69           22.28           20.49           19.94           19.57
----------------------------------------------------------------------------------------------------------------
                                                     Mobile*
----------------------------------------------------------------------------------------------------------------
Boone...........................            8.53            6.64            4.63            3.90            3.45
Campbell........................            4.88            3.74            2.54            2.09            1.81
Kenton..........................            8.37            6.33            4.23            3.47            3.01
                                 -------------------------------------------------------------------------------
    Mobile Total................           21.78           16.71           11.40            9.46            8.27
                                 ===============================================================================
        Northern Kentucky Total.           79.19           73.45           67.37           65.72           64.72
----------------------------------------------------------------------------------------------------------------
* Calculated using MOBILE6.2.

    EPA has determined that the Commonwealth's redesignation request 
meets all of the CAA redesignation criteria for the 1997 8-hour ozone 
NAAQS. EPA's May 12, 2010, proposed rulemaking, as supplemented by 
today's notice, specifically addresses each of the criteria and 
provides detailed analysis of how they are met.

VI. Final Action

    After evaluating Kentucky's redesignation request and comments 
received, EPA is taking final action to approve the redesignation and 
change the legal designation of Boone, Campbell and Kenton Counties in 
Kentucky (as part of the Cincinnati-Hamilton Area) from nonattainment 
to attainment for the 1997 8-hour ozone NAAQS. EPA has already taken 
final action to approve the redesignation requests, emission 
inventories and maintenance plans for the Ohio and Indiana portions of 
this Area in a separate but coordinated action. See 75 FR 26118. 
Through this action, EPA is also approving into the Kentucky SIP, the 
1997 8-hour ozone maintenance plan for Northern Kentucky, which 
includes the new NOx MVEBs of 14.40 tpd for 2015, and 13.27 tpd for 
2020; and new VOC MVEBs of 9.76 tpd for 2015, and 10.07 tpd for 2020. 
Additionally, EPA is approving the emissions inventory for Northern 
Kentucky pursuant to section 172(c)(3) of the CAA. Finally, EPA is 
finding the new Northern Kentucky MVEBs are adequate for the purposes 
of transportation conformity. Within 24 months from the effective date 
of EPA's adequacy finding for the MVEBs, the transportation partners 
will need to demonstrate conformity to the new NOx and VOC MVEBs 
pursuant to 40 CFR 93.104(e).
    In accordance with 5 U.S.C. 553(d), EPA finds there is good cause 
for this action to become effective immediately upon publication. This 
is because a delayed effective date is unnecessary due to the nature of 
a redesignation to attainment, which relieves the area from certain CAA 
requirements that would otherwise apply to it. The immediate effective 
date for this action is authorized under both 5 U.S.C. 553(d)(1), which 
after publication it provides that rulemaking actions may become 
effective less than 30 days after publication if the rule ``grants or 
recognizes an exemption or relieves a restriction,'' and section 
553(d)(3), which allows an effective date less than 30 days after 
publication ``as otherwise provided by the agency for good cause found 
and published with the rule.'' The purpose of the 30-day waiting period 
prescribed in section 553(d) is to give affected parties a reasonable 
time to adjust their behavior and prepare before the final rule takes 
effect. Today's rule, however, does not create any new regulatory 
requirements such that affected parties would need time to prepare 
before the rule takes effect. Rather, today's rule relieves the 
Commonwealth of various requirements for the Northern Kentucky Area. 
For these reasons, EPA finds good cause under 5 U.S.C. 553(d)(3) for 
this action to become effective on the date of publication of this 
action.

VII. Statutory and Executive Order Reviews

    Under the CAA, the Administrator is required to approve a SIP 
submission that complies with the provisions of the Act and applicable 
Federal regulations. 42 U.S.C. 7410(k); 40 CFR 52.02(a). Thus, in 
reviewing SIP submissions, EPA's role is to approve state choices, 
provided that they meet the criteria of the CAA. Accordingly, this 
action merely approves state law as meeting Federal requirements and 
does not impose additional requirements beyond those imposed by state 
law. For that reason, this action:
     Is not a ``significant regulatory action'' subject to 
review by the Office of Management and Budget under Executive Order 
12866 (58 FR 51735, October 4, 1993);
     Does not impose an information collection burden under the 
provisions of the Paperwork Reduction Act (44 U.S.C. 3501 et seq.);
     Is certified as not having a significant economic impact 
on a substantial number of small entities under the Regulatory 
Flexibility Act (5 U.S.C. 601 et seq.);
     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);
     Does not have Federalism implications as specified in 
Executive Order 13132 (64 FR 43255, August 10, 1999);
     Is not an economically significant regulatory action based 
on health or safety risks subject to Executive Order 13045 (62 FR 
19885, April 23, 1997);
     Is not a significant regulatory action subject to 
Executive Order 13211 (66 FR 28355, May 22, 2001);
     Is not subject to requirements of Section 12(d) of the 
National Technology Transfer and Advancement Act of 1995 (15 U.S.C. 272 
note) because application of those requirements would be inconsistent 
with the CAA; and
     Does not provide EPA with the discretionary authority to 
address, as appropriate, disproportionate human health or environmental 
effects, using practicable and legally permissible methods, under 
Executive Order 12898 (59 FR 7629, February 16, 1994).

In addition, this rule does not have tribal implications as specified 
by Executive Order 13175 (65 FR 67249, November 9, 2000), because the 
SIP is not approved to apply in Indian country

[[Page 47222]]

located in the state, and EPA notes that it will not impose substantial 
direct costs on tribal governments or preempt tribal law.
    The Congressional Review Act, 5 U.S.C. 801 et seq., as added by the 
Small Business Regulatory Enforcement Fairness Act of 1996, generally 
provides that before a rule may take effect, the agency promulgating 
the rule must submit a rule report, which includes a copy of the rule, 
to each House of the Congress and to the Comptroller General of the 
United States. EPA will submit a report containing this action and 
other required information to the U.S. Senate, the U.S. House of 
Representatives, and the Comptroller General of the United States prior 
to publication of the rule in the Federal Register. A major rule cannot 
take effect until 60 days after it is published in the Federal 
Register. This action is not a ``major rule'' as defined by 5 U.S.C. 
804(2).
    Under section 307(b)(1) of the CAA, petitions for judicial review 
of this action must be filed in the United States Court of Appeals for 
the appropriate circuit by October 4, 2010. Filing a petition for 
reconsideration by the Administrator of this final rule does not affect 
the finality of this action for the purposes of judicial review nor 
does it extend the time within which a petition for judicial review may 
be filed, and shall not postpone the effectiveness of such rule or 
action. This action may not be challenged later in proceedings to 
enforce its requirements. (See section 307(b)(2)).

List of Subjects

40 CFR Part 52

    Environmental protection, Air pollution control, Incorporation by 
reference, Nitrogen dioxide, Ozone, Intergovernmental relations, and 
Volatile organic compounds.

40 CFR Part 81

    Environmental protection and Air pollution control.

    Dated: July 26, 2010.
A. Stanley Meiburg,
Acting Regional Administrator, Region 4.

0
Accordingly, 40 CFR parts 52 and 81 are amended as follows:

PART 52--[AMENDED]

0
1. The authority citation for part 52 continues to read as follows:

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

Subpart S--Kentucky

0
2. Section 52.920(e) is amended by adding a new entry at the end of the 
table for ``Northern Kentucky 8-Hour Ozone Maintenance Plan'' to read 
as follows:

Sec.  52.920  Identification of plan.

* * * * *
    (e) * * *

                                 EPA-Approved Kentucky Non-Regulatory Provisions
----------------------------------------------------------------------------------------------------------------
                                        Applicable           State
    Name of non-regulatory SIP        geographic or     submittal date/  EPA approval date       Explanations
            provision               nonattainment area  effective date
----------------------------------------------------------------------------------------------------------------

                                                  * * * * * * *
Northern Kentucky 8-Hour Ozone     Boone, Campbell and       1/29/2010  8/5/2010 [Insert     For the 1997 8-hour
 Maintenance plan.                  Kenton Counties in                   citation of          ozone NAAQS.
                                    Kentucky.                            publication].
----------------------------------------------------------------------------------------------------------------

PART 81--[AMENDED]

0
3. The authority citation for part 81 continues to read as follows:

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

0
4. In Sec.  81.318, the table entitled ``Kentucky-Ozone (8-Hour 
Standard)'' is amended under ``Cincinnati-Hamilton, OH-KY-IN'' by 
revising the entries for ``Boone County,'' ``Campbell County,'' and 
``Kenton County'' to read as follows:

Sec.  81.318  Kentucky.

* * * * *

                                                                     Kentucky-Ozone
                                                                    [8-Hour Standard]
--------------------------------------------------------------------------------------------------------------------------------------------------------
                                                       Designation \a\                                         Category/classification
           Designated            -----------------------------------------------------------------------------------------------------------------------
                                          Date \1\                       Type                          Date \1\                         Type
--------------------------------------------------------------------------------------------------------------------------------------------------------
Cincinnati-Hamilton, OH-KY-IN:
    Boone County................  This action is effective  Attainment                      .............................  .............................
                                   08/05/10.
    Campbell County.............  This action is effective  Attainment                      .............................  .............................
                                   08/05/10.
    Kenton County...............  This action is effective  Attainment                      .............................  .............................
                                   08/05/10.

                                                                      * * * * * * *
--------------------------------------------------------------------------------------------------------------------------------------------------------
\a\ Includes Indian Country located in each county or area, except as otherwise specified.
\1\ This date is June 15, 2004, unless otherwise noted.

[[Page 47223]]

* * * * *
[FR Doc. 2010-19170 Filed 8-4-10; 8:45 am]
BILLING CODE 6560-50-P
```