Approval of Revisions to the Louisiana Department of Environmental Quality Title 33 Environmental Quality Part III. Air Chapter 5. Permit Procedures, 504. Nonattainment New Source Review Procedures

Note: EPA no longer updates this information, but it may be useful as a reference or resource.

[Federal Register: July 23, 2002 (Volume 67, Number 141)]
[Proposed Rules]
[Page 48090-48094]
From the Federal Register Online via GPO Access [wais.access.gpo.gov]
[DOCID:fr23jy02-693]

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ENVIRONMENTAL PROTECTION AGENCY
40 CFR Part 52
[LA-61-3-7565; FRL-7250-4]

Approval of Revisions to the Louisiana Department of
Environmental Quality Title 33 Environmental Quality Part III. Air
Chapter 5. Permit Procedures, 504. Nonattainment New Source Review
Procedures

AGENCY: Environmental Protection Agency (EPA).
ACTION: Proposed rule.

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SUMMARY: In this action, the EPA is proposing to approve revisions to
the State of Louisiana's State Implementation Plan (SIP). The revisions
concern the nonattainment New Source Review (NSR) procedures for the
five-parish Baton Rouge ozone nonattainment area (hereinafter referred
to as the Baton Rouge area). The revisions include increases to the
minimum offset ratios for new major stationary sources and major
modifications at major stationary sources in nonattainment areas. The
minimum offset ratios were increased for classifications of serious and
severe ozone nonattainment. The revisions will also allow an increase
in volatile organic compound (VOC) emissions to be offset by a decrease
in emissions of nitrogen oxides (NO_X) if the net result is a
decrease in ozone levels. The revisions require that if NO_X
emissions decreases are used for VOC emissions increases, the permit
for which the offsets are required must have been issued on or before
November 15, 2005 and meet additional requirements to ensure a net air
quality benefit.
Major stationary sources that plan to build or modify in a
nonattainment area must obtain these emissions offsets as a condition
of permit approval. Emissions offsets are reductions in actual
emissions from existing sources in the vicinity of the proposed new
source. The EPA proposes to approve the use of these revisions as a
component of the Louisiana plan to bring the Baton Rouge nonattainment
area into compliance with the Clean Air Act (CAA or the Act).

DATES: Comments must be received on or before August 22, 2002.

ADDRESSES: Written comments should be sent to:
David Neleigh, Chief, Air Permits Section, Environmental Protection
Agency, Region 6, 1445 Ross Avenue, Suite 700, Dallas, Texas 75202-
2733.
Copies of documents relevant to this action are available for
public inspection during normal business hours at the Environmental
Protection Agency, Region 6, Air Permits Section (6PD-R), 1445 Ross
Avenue, Dallas, Texas 75202-2733; and the Louisiana Department of
Environmental Quality, 7920 Bluebonnet Boulevard, Baton Rouge,
Louisiana 70884. Please contact the appropriate office at least 24
hours in advance.

FOR FURTHER INFORMATION CONTACT: Ms. Laura Stankosky, Air Permits
Section (6PD-R), EPA Region 6, 1445 Ross Avenue, Dallas, Texas 75202-
2733, telephone (214) 665-7525.

[[Page 48091]]

SUPPLEMENTARY INFORMATION: Throughout this document whenever ``we,''
``us,'' or ``our'' is used, we mean EPA. This section provides
additional information by addressing the following questions:

I. What action is the EPA taking?
II. Why is this action necessary?
III. What does this action do?
IV. What is the Baton Rouge ozone nonattainment area?
V. Whom does this action affect?
VI. What is the history of the LDEQ nonattainment NSR program?
VII. Are the nonattainment NSR revisions approvable?
VIII. How does the State's NSR regulation In Chapter 5 interact with
The NO_X control regulation in Chapter 22 and the revised
banking regulation in Chapter 6?
IX. Administrative Requirements.

Background

I. What action Is the EPA Taking?

The EPA is proposing to approve changes to the State of Louisiana's
nonattainment NSR procedures for the five-parish Baton Rouge ozone
nonattainment area. These revisions to the nonattainment NSR procedures
are part of the changes the state is making to the SIP to address the
CAA pollution control requirements for ozone nonattainment areas. These
changes revise Section 504, previously approved by the EPA on May 31,
2001 (66 FR 29491). NSR is a permitting program that regulates the
construction of new major stationary sources of air pollution and major
modifications to existing major sources. These sources are required by
the CAA to obtain an air pollution permit before beginning
construction.
The revisions include increases to the minimum offset ratios for
new major stationary sources and major modifications at major
stationary sources in nonattainment areas. The minimum offset ratios
were increased for classifications of serious and severe ozone
nonattainment. The revisions will also allow an increase in VOC
emissions to be offset by a decrease in emissions of NO_X.
The revisions require that if NO_X emissions decreases are
used for VOC emissions increases, the permit for which the offsets are
required must have been issued on or before November 15, 2005.
Major stationary sources that plan to build or modify in a
nonattainment area must obtain these emissions offsets as a condition
of permit approval. Emissions offsets are reductions in actual
emissions from existing sources in the vicinity of the proposed new
source.

II. Why Is This Action Necessary?

The Baton Rouge area was classified as a serious ozone
nonattainment area (40 CFR 81.319). We received the Louisiana rule that
we are considering in this proposed action on December 31, 2001, as a
component of the an Attainment Plan and Transport Demonstration
(hereinafter, the Attainment Plan/Transport SIP) for the Baton Rouge
area submitted by the LDEQ. This revision to the Attainment Plan/
Transport SIP specifies emission reduction strategies designed to bring
the Baton Rouge area into compliance with the ozone NAAQS. One
component of the Attainment Plan/Transport SIP is the revised
nonattainment NSR rule that has been enacted at Louisiana
Administrative Code (LAC) 33:III.504. This action is necessary to
determine whether that revised rule is an approvable component of the
Attainment Plan/Transport SIP.

III. What Does This Action Do?

In this action, we are proposing to approve revisions to the
Louisiana SIP that have been enacted at Louisiana Administrative Code
(LAC) 33:III.504, which contains the rules for nonattainment NSR
procedures that will apply to the Baton Rouge area. The LAC revisions
include increases to the minimum offset ratios for new major stationary
sources and major modifications to major stationary sources in the
Baton Rouge area. The revisions also add minimum offset ratios for
NO_X. For a nonattainment area with a classification of
serious for ozone, the new minimum offset ratio for VOCs and for
NO_X is 1.20 to 1 with Lowest Achievable Emission Rate (LAER)
technology or 1.40 to 1 without LAER using internal offsets. For a
nonattainment area classified severe for ozone, the new minimum offset
ratio for VOCs and for NO_X is 1.30 to 1 with LAER technology
or 1.50 to 1 without LAER using internal offsets. As defined by section
171 of the CAA, the term LAER refers to either the most stringent
emission limit contained in the state plan of any state for the
applicable category of sources, or the most stringent emission
limitation achieved in practice within an industrial category.
The revisions also allow an increase in VOC emissions to be offset
by a decrease in emissions of NO_X. The EPA defines this type
of ``offset,'' the trading of emission reductions of one pollutant's
precursors for emission reductions of a different precursor for that
pollutant, as inter-precursor trading. See ``Improving Air Quality with
Economic Incentive Programs,'' EPA-452/R-01-011(EPA Office of Air and
Radiation, January 2001) (hereinafter, the EIP Guidance). Under the
revised rule, all emission reductions claimed as offset credit for
significant net NO_X increases shall be from decreases of
NO_X. NO_X credits will be allowed to offset VOC
increases, but not vice versa. All emission reductions claimed as
offset credit for significant net VOC increases shall be from decreases
of either NO_X or VOCs, or any combination of NO_X
and VOC decreases. If NO_X decreases are used for VOC
increases, the permit for which the offsets are required shall have
been issued on or before November 15, 2005. The LDEQ has identified
November 15, 2005, as a ``sunset date'' after which no permits will be
issued or modified allowing NO_X credits to offset VOC
increases. Revisions to the required offset credit ratio are listed in
Table 1.

Table 1.--Minimum Offset Ratios for New and Modified Major Stationary Sources
-----------------------------------------------------------------------------------------------------------
Major
stationary Major
source modification
Pollutant threshold significant Offset ratio minimum
values net increase
(tons/year) (tons/year)
-----------------------------------------------------------------------------------------------------------
Major Stationary Source/ Major Modification Emission Threshold
-----------------------------------------------------------------------------------------------------------
Ozone VOC/NO_X Marginal.......................... 100 40 (40) 1.10 to 1
Moderate........................................ 100 40 (40) 1.10 to 1
Serious......................................... 50 25 (5) 1.20 to 1 w/LAER or 1.4 to 1
internal w/out LAER

[[Page 48092]]

Severe.......................................... 25 25 (5) 1.30 to 1 w/LAER or 1.5 to 1
internal w/out LAER
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The Attainment Plan/Transport SIP includes an enforceable
commitment to perform and submit a mid-course review by May 1, 2004.
This mid-course review would include, among other things, a re-
evaluation of the ratio of NO_X to VOC emissions reductions
needed for attainment.

IV. What Is the Baton Rouge Ozone Nonattainment Area?

The Baton Rouge ozone nonattainment area, located in southern
Louisiana, consists of East Baton Rouge, West Baton Rouge, Ascension,
Iberville, and Livingston Parishes (40 CFR 81.319).

V. Whom Does This Action Affect?

This action applies to the construction of any new major stationary
source or to any major modification at a major stationary source within
the Baton Rouge area. Section 182 of the CAA defines ``major source''
with respect to each category of ozone nonattainment classification
area, as shown in Table 2. Any source that emits or has the potential
to emit 50 tons or more of VOC or NO_X and is located in an
area classified as serious is considered a major source. Any source
that emits or has the potential to emit 25 tons or more of VOC or
NO_X and is in an area classified as severe is considered a
major source.

Table 2.--Definitions of Major Stationary Sources
------------------------------------------------------------------------
Potential to emit (tons/
year)
-------------------------
Attainment status of area where source is Volatile
located Nitrogen organic
oxides compounds
(NO_X) (VOC)
------------------------------------------------------------------------
Attainment areas.............................. 100 100
Nonattainment areas:
Marginal.................................. 100 100
Moderate.................................. 100 100
Serious................................... 50 50
Severe.................................... 25 25
Extreme................................... 10 10
------------------------------------------------------------------------

The requirements of the revised rule do not apply to NO_X
increases for any applications deemed administratively complete before
December 20, 2001. Additionally, under the revised rule the 1.40 to 1
VOC internal offset ratio (without LAER) for serious ozone
nonattainment areas shall not apply to such applications. Instead, a
1.30 to 1 internal offset ratio shall apply to VOC if LAER is not
utilized. (With LAER, the applicable ratio is 1.20 to 1, regardless of
application date.) Further, sources exempt from nonattainment NSR
requirements for NO_X increases will still be subject to the
construction schedule and other provisions of the EPA's Transitional
Guidance. See memoranda from John Seitz, dated March 11, 1991, ``New
Source Review (NSR) Program Transitional Guidance,'' and September 3,
1992, ``New Source Review (NSR) Program Supplemental Transitional
Guidance on Applicability of New Part D NSR Permit Requirements.''

VI. What Is the History of the LDEQ Nonattainment NSR Program?

The current provisions for nonattainment NSR for permitting new
major stationary sources and major modifications at major stationary
sources in the Baton Rouge area are found at LAC 33:III.504. The EPA
approved the original regulations on May 31, 1972, (37 FR 10869) with
the Louisiana SIP. A number of revisions to the regulations were
approved between 1972 and the present. These revisions are outlined in
40 CFR part 52, subpart T, for Louisiana. Under sections 107(d)(1)(C)
and 181(a) of the Act, the Baton Rouge area was designated
nonattainment for the 1-hour ozone NAAQS and classified as ``serious''
based on its design value of 0.164 ppm in 1989. These nonattainment
designations and classifications were codified in 40 CFR part 81 (see
56 FR 56694, November 6, 1991).
On January 26, 1996 (61 FR 2438), we granted an exemption under
section 182(f) of the CAA from the reasonably available control
technology (RACT) and nonattainment NSR requirements for major
stationary sources of NO_X. In granting these exemptions we
reserved the right to reverse the approval of the exemptions if
subsequent modeling data demonstrated an ozone attainment benefit from
NO_X emissions controls. We approved the Louisiana
nonattainment NSR (LAC 33:III.504) procedures October 10, 1997 (62 FR
52951) and revisions to Section 504 on January 5, 1999 (64 FR 415) and
May 31, 2001 (66 FR 29491).
On May 9, 2001, we proposed our finding that the Baton Rouge ozone
nonattainment area failed to attain the 1-hour ozone NAAQS by the
applicable attainment date (66 FR 23646). The LDEQ requested rescission
of the NO_X waivers for the Baton Rouge area on September 24,
2001, based on revised

[[Page 48093]]

modeling that demonstrated that NO_X controls will contribute
to attaining the ozone NAAQS, and on December 31, 2001, we received
from the LDEQ, the Attainment Plan/Transport SIP for the Baton Rouge
area which included these revisions to the minimum offset ratios for
new major stationary sources and major modifications at major
stationary sources in the Baton Rouge area. We proposed approval of the
rescission of the NO_X exemptions on May 7, 2002 (67 FR
30638).
On December 20, 2001, Louisiana enacted the revisions to its rule
for nonattainment NSR, LAC 33:III.504, that are the subject of this
proposed rule.

VII. Are the Nonattainment NSR Revisions Approvable?

Yes, the nonattainment NSR revisions are approvable. The revisions
to the LAC 33:III.504, rules for nonattainment NSR procedures for the
Baton Rouge area, fulfill the requirements at Section 172(c)(5) of the
CAA and at 40 CFR 51.165. The LAC revisions for changes to the minimum
offset ratios fulfill offset requirements for both serious and severe
ozone nonattainment areas as described in Sections 182(c)(6), (8), &
(10) and 182(d)(2) of the CAA and are, in fact, more stringent than
required by the Act.
The Attainment Plan/Transport SIP revisions also allow an increase
in VOC emissions to be offset by a decrease in emissions of
NO_X using the ratios set forth in Table 1. As previously
noted, the EPA defines this type of ``offset,'' the trading of emission
reductions of one pollutant's precursors for emission reductions of a
different precursor for that pollutant, as inter-precursor trading
(IPT). While the EPA does not have specific requirements for IPT that
apply to all circumstances, we recognize that IPT can be allowed under
limited circumstances. Our position on IPT can be found at Appendix
16.9 in the EIP Guidance. An EIP is a regulatory program that achieves
an air quality objective by providing market-based incentives or
information to emission sources. For example, a uniform emission
reduction requirement, based for instance on installation of a required
emission control technology, does not take account of variations in
processes, operations, and control costs across sources even of the
same type, such as electric utilities, or petroleum refiners. An EIP
empowers sources to find the means that are most suitable and most
cost-effective for their particular circumstances, by providing
flexibility in how sources meet an emission reduction target. Because
this revision to the nonattainment NSR rule is not itself a market-
based program for achieving air quality improvements (and is therefore
not an EIP as defined by the EPA), we did not evaluate LAC 33:III.504
with respect to Appendix 16.9 of the EIP Guidance. However, because the
IPT guidance provided in the EIP document applies generally to NSR
offsets, the EPA determined that the LDEQ rule is consistent with the
IPT provisions in the EIP Guidance.
In the December 2001 SIP submission, the LDEQ conducted attainment
demonstration modeling, which indicated that a reduction in
NO_X emissions and a further reduction in VOC emissions are
required in the Baton Rouge area to lower ozone levels. As is
recognized in the CAA, VOCs and NO_X emissions combine in the
atmosphere to create ozone, and accordingly a reduction in the levels
of these pollutants can lower ozone levels. Furthermore, Section
182(c)(2)(C) of the CAA provides for states with ozone problems to
substitute NO_X reductions for VOC reduction in their
Attainment and Reasonable Further Progress (RFP) Plans.
In allowing substitution of NO_X emission reductions for
VOC emission reductions, Section 182(c)(2)(C) of the CAA states that
the resulting reductions ``in ozone concentrations'' must be ``at least
equivalent'' to that which would result from 3% VOC reductions required
as a demonstration of RFP under Section 182(c)(2)(B). Our
NO_X Substitution Guidance (EPA, December 1993) provides that
the RFP reductions should be consistent with those needed for
attainment and that the Attainment and RFP Plans show that reduction of
NO_X consistent with those needed for attainment can be
accepted as equivalent to what would be required for a VOC-only
attainment. The LDEQ's current nonattainment NSR procedures also
require that emission reduction claimed as offset credit shall be
sufficient to ensure RFP toward attainment.
The pollutants being offset must impact the environment in a
similar manner and increases in emission of VOCs cannot be replaced
with another VOC of lesser reactivity (40 CFR 51.165(a)(3)(ii)(D)).
Additionally, 40 CFR 51.100(s) defines VOCs; this regulation and LAC
33:III.2117 also define ``non-VOCs'' or carbon-containing compounds
which do not participate in atmospheric photochemical reactions which
may produce ozone. These ``non-VOCs'' would not be eligible for the
proposed emission offsets.
An increase in VOC emissions offset by a decrease in emissions of
NO_X should be analyzed for the extent of impact from each
pollutant involved. The LDEQ has agreed in implementing this provision
to evaluate such trades on a case-by-case basis. See letter from Dale
Givens, Secretary of LDEQ, to Gregg Cooke, Regional Administrator, U.S.
EPA, Region 6 (May 3, 2002). Additionally, in response to a comment
sent by us on the proposed SIP revisions, LDEQ confirmed that further
Urban Airshed Modeling would be required on a case-by-case basis if new
data or evidence comes to light that indicates a NO_X for VOC
trade will not be beneficial to the environment.
IPT has received limited proposed approval from the EPA in the
State of New Hampshire (66 FR 9278). It has also received limited
approval in several air quality districts in California (Bay Area, 65
FR 56284; El Dorado, 65 FR 4887; Sacramento Metropolitan area; San
Diego County, 64 FR 42892; San Joaquin Valley, 65 FR 58252), and is
being considered for two more (the South Coast area and the Mojave
Desert area).
The Attainment Plan/Transport SIP revisions change only specific
portions of the LDEQ regulations. The current regulations found at LAC
33:III.504 continue to require that emission offsets provide a net air
quality benefit, and are federally enforceable before commencement of
construction of the proposed new source or major modification. The
emission offsets must meet all applicable state requirements, any
applicable new source performance standard in 40 CFR part 60, and any
national emission standard for hazardous air pollutants in 40 CFR part
61 or part 63. Also the current state regulations state that issuance
of a permit by LDEQ does not relieve any owner or operator of the
responsibility to comply with the provisions of local, state, or
federal law.
The Technical Support Document for this action provides a more
detailed discussion of our proposed approval.

VIII. How Does the State's NSR Regulation in Chapter 5 Interact With
the NO_X Control Regulation in Chapter 22 and the Revised
Banking Regulation in Chapter 6?

The State has recently revised the NO_X control
regulation in Chapter 22. This NO_X Reasonably Available
Control Technology (RACT) rule requires stationary sources to comply
with a more strict emission limitation during the State's five month
ozone season. Typically a stationary source reduces emissions below the
baseline to generate surplus emission reduction credits. Due to the
revised NO_X rule, the allowable

[[Page 48094]]

emission limitation for a stationary source could potentially have two
values, one for the five month ozone season and another for the seven
month non-ozone season. For a fuller explanation of the area's ozone
seasons, see LAC III:33 Chapter 22, and the separate EPA rule-making to
be issued regarding that chapter.
Thus, the baseline emissions for the stationary source, which are
used to determine surplus emission reduction credits for offset
permitting purposes, could have two different values. In order to
accurately determine the surplus emission reduction credits (ERCs) to
be used in the nonattainment NSR permitting, the baseline emissions and
surplus ERCs must be determined for the two time periods. The
NO_X ERCs for any annual time period will consist of the ERCs
for the five month ozone season and the ERCs from the seven month non-
ozone season. Offset requirements for new sources derive from Section
173(a)(1)(A) of the Act, which concerns ``total'' emissions and does
not address the use of emission offsets for nonattainment permitting
over periods of less than one year. Therefore, the NO_X ERCs
to be used in all nonattainment NSR permitting under Chapter 5 must be
determined by adding the ERCs from the ozone season and the non-ozone
season.
With respect to all offsets under Chapter 5 and all ERCs under
Chapter 6, the total NO_X emission increases during the ozone
season must be offset by NO_X ERCs from the ozone season.
Non-ozone season NO_X increases may be met by either ozone or
non-ozone NO_X ERCs. The annual NO_X increase must
be offset by the total combination of ozone and non-ozone season
surplus NO_X emission reduction credits.
The stated purpose of the revised emissions banking rule in Chapter
6 is to enable stationary sources to identify and acquire emission
reductions for NSR purposes. The Chapter 6 rule does not address the
requirement to keep separate certifying, determining and recording
procedures for NO_X ERCs during the ozone and non-ozone
seasons. The identification, certification, acquisition, recordkeeping
and determination of ``Surplus When Used'' emission reduction credits
must be for the ozone season and the non-ozone season time periods. The
State has indicated by letter from Mr. Dale Givens to EPA dated May 3,
2002 that the State would implement the rule by operating the emissions
reduction bank in such a manner. EPA requests that in response to
comments on EPA's proposed approval of the Chapter 5 and Chapter 6
rules, the State affirm and detail the procedures for the determination
of NO_X surplus emission reduction credits resulting from the
split emission limitations for the NO_X RACT rule in Chapter
22.
The emission offset provisions contained in the Chapter 5
nonattainment NSR rules indicate that offsets of VOC emissions may be
met by surplus NO_X emission reductions. The VOC emission
offsets met by surplus NO_X ERCs must be for both the ozone
season and non-ozone seasons. In other words, VOC emission increases
during the ozone season must be offset by NO_X ERCs from the
ozone season. Non-ozone season VOC increases may be met by either ozone
or non-ozone NO_X ERCs. The annual VOC increase must be
offset by the total combination of ozone and non-ozone season surplus
NO_X emission reduction credits.

IX. Administrative Requirements

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 (Public Law 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 (59 FR 22951, 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
choices, 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 in 40 CFR Part 52

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

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

Dated: July 15, 2002.
Gregg A. Cooke,
Regional Administrator, Region 6.
[FR Doc. 02-18580 Filed 7-22-02; 8:45 am]
BILLING CODE 6560-50-P

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Approval of Revisions to the Louisiana Department of Environmental Quality Title 33 Environmental Quality Part III. Air Chapter 5. Permit Procedures, 504. Nonattainment New Source Review Procedures

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