[Federal Register Volume 60, Number 168 (Wednesday, August 30, 1995)]
[Rules and Regulations]
[Pages 45056-45060]
From the Federal Register Online via the Government Publishing Office [www.gpo.gov]
[FR Doc No: 95-21464]
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ENVIRONMENTAL PROTECTION AGENCY
40 CFR Parts 52 and 81
[ME-19-1-6668a; A-1-FRL-5273-5]
Approval and Promulgation of Air Quality Implementation Plans--
Maine; Redesignation to Attainment and PM10 Contingency Measures
for Presque Isle
AGENCY: Environmental Protection Agency (EPA).
ACTION: Direct final rule.
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SUMMARY: EPA is fully approving Maine's request to redesignate the
Presque Isle area to attainment for particulate matter with an
aerodynamic diameter less than or equal to a nominal 10 micrometers
(PM10), along a maintenance demonstration and contingency plans
which outline Maine's control strategy for maintenance of the PM10
national ambient air quality standards (NAAQS). EPA is also approving a
State Implementation Plan (SIP) revision submitted by the State of
Maine to satisfy federal requirements for contingency measures for the
Presque Isle initial nonattainment area. This action is being taken
under the Clean Air Act.
DATES: This final rule is effective October 30, 1995, unless notice is
received by September 29, 1995 that adverse or critical comments will
be submitted. If the effective date is delayed, timely notice will be
published in the Federal Register.
ADDRESSES: Comments may be mailed to Susan Studlien, Acting Director,
Air, Pesticides and Toxics Management Division, EPA-New England, JFK
Federal Building (AAA), Boston, MA 02203-2211. Copies of the documents
relevant to this action are available for public inspection by
appointment during normal business hours at the Air, Pesticides and
Toxics Management Division, EPA-New England, One Congress Street, 10th
floor, Boston, MA; Air and Radiation Docket and Information Center, US
Environmental Protection Agency, 401 M Street, SW (LE-131), Washington,
DC 20460; and the Bureau of Air Quality Control, Department of
Environmental Protection, 71 Hospital Street, Augusta, ME 04333.
FOR FURTHER INFORMATION CONTACT: Matthew B. Cairns, (617) 565-4982.
SUPPLEMENTARY INFORMATION:
Background
Part D, Subparts 1 and 4 of Title I of the Clean Air Act Amendments
of 1990 (hereafter referred to as ``the Act'') set out air quality
planning requirements for moderate PM10 nonattainment areas. The
EPA has issued a ``General Preamble'' describing EPA's preliminary
views on how EPA intends to review SIPs and SIP revisions submitted
under Title I of the Act, including those State submittals containing
moderate PM10 nonattainment area SIP requirements. [See,
generally, 57 FR 13498 (April 16, 1992) and 57 FR 18070 (April 28,
1992).] Because EPA is describing its interpretations here only in
broad terms, the reader should refer to the General Preamble for a more
detailed discussion of the interpretations of Title I advanced in this
approval and the supporting rationale.
By November 15, 1991, States containing initial moderate PM10
nonattainment areas were required to submit most elements of their
PM10 SIP. [See Secs. 172(c), 188, and 189 of the Act.] Some
provisions were due at a later date. For example, such States also must
submit contingency measures by November 15, 1993, which become
effective without further action by the State or EPA upon a
determination by EPA that the area has failed to achieve RFP or to
attain the PM10 NAAQS by the applicable statutory deadline. [See
Sec. 172(c)(9) and 57 FR 13543-44.]
In order for an area to be redesignated as attainment, the State
must meet the following conditions listed in Sec. 107(d)(3)(E) of the
Act:
(i) The EPA has determined that the NAAQS have been attained.
(ii) The applicable implementation plan has been fully approved
by EPA under Sec. 110(k).
(iii) The EPA has determined that the improvement in air quality
is due to permanent and enforceable reductions in emissions.
(iv) The State has met all applicable requirements for the area
under Sec. 110(k) and Part D.
(v) The EPA has fully approved a maintenance plan, including a
contingency plan, for the area under Sec. 175A.
EPA guidance titled ``Procedures for Processing Requests to
Redesignate Areas to Attainment'' (September 4, 1992 memorandum from
AQMD Director John Calcagni) outlines how to assess the adequacy of
redesignation requests against the conditions listed above.
Summary of Maine's SIP Revision and Redesignation Request for
Presque Isle
On January 12, 1995, EPA approved Maine's PM10 Attainment Plan
(60 FR 2885) for Presque Isle. However, on January 26, 1994, EPA had
notified Maine of ``a finding of failure to submit'' contingency
measures for PM10, which were due by November 15, 1993. According
to EPA guidance titled ``Contingency Measure Due Date for Initial
PM10 Moderate Nonattainment Areas'' (February 25, 1992 memo from
Calcagni), states were not obligated to submit contingency measures
until EPA established a due date for their submittal. On April 16, 1992
EPA gave States until November 15, 1993 to submit required contingency
measures. (See General Preamble at 57 FR 13543 footnote 26.) Although
the due date for contingency measures had passed by the
[[Page 45057]]
time EPA proposed approval of Maine's PM10 Attainment Plan, EPA
fully approved of this SIP revision because it meets all requirements
applicable as of the time of its adoption by Maine and submittal to
EPA. Furthermore, full approval did not relieve Maine from the
obligation to submit a separate SIP revision to meet contingency
measure requirements. (See 59 FR 24096 (May 10, 1994).)
On June 1, 1994, the Maine Department of Environmental Protection
(Maine DEP) submitted a SIP revision for Chapter 114 ``Classification
of Air Quality Control Regions'' and a request to redesignate the
Presque Isle area to attainment for PM10, accompanied by
contingency and maintenance plans. On July 22, 1994, EPA-New England
determined this submittal was complete and acceptable for processing.
The completeness determination stopped the associated sanctions clock
for failure to submit contingency measures. EPA also noted that Maine's
contingency plan could satisfy both the contingency measure requirement
for initial moderate PM10 nonattainment areas under Sec. 172(c)(9)
and the contingency provisions required for redesignation under
Sec. 175A(d).
Section 110(k) of the Act sets out provisions governing EPA's
review of SIP submittals. (See 57 FR 13565-66.) Specific requirements
and the rationale for EPA's approval action are detailed in the
Technical Support Document (TSD), dated May 18, 1995, and are
summarized, but not restated, here in the following paragraphs.
Interested parties should consult the TSD or Maine's submittal for
details.
Procedural Background
The Act requires States to observe certain procedural requirements
in developing implementation plans and plan revisions for submission to
EPA. Section 110(a)(2) of the Act provides that each implementation
plan submitted by a State must be adopted after reasonable notice and
public hearing. Section 110(l) of the Act similarly provides that each
revision to an implementation plan submitted by a State under the Act
must be adopted by such State after reasonable notice and public
hearing. Section 172(c) of the Act also requires that plan provisions
for nonattainment areas meet the applicable provisions of
Sec. 110(a)(2).
EPA must also determine whether a submittal is complete and
therefore warrants further EPA review and action. [See Sec. 110(k)(1)
and 57 FR 13565.] EPA's completeness criteria for SIP submittals are
set out at 40 CFR Part 51, Appendix V (1991), as amended by 57 FR 42216
(August 26, 1991).1 EPA attempts to make completeness
determinations within 60 days of receiving a submittal. However, a
submittal is deemed complete by operation of law if EPA does not make a
completeness determination by 6 months after receipt of the submittal.
\1\ Since redesignations are subject to Sec. 107(d)(3)(D) rather
than Sec. 110(k), EPA is not required to promulgate completeness
criteria or make completeness determinations on redesignations.
However, under its general rulemaking authority of Sec. 301(a) of
the Act as necessary to implement the requirements of
Sec. 107(d)(3)(D), EPA has determined it is appropriate to apply the
completeness criteria applicable to Sec. 110(k) actions to
redesignations. (See 56 FR 42216-7, August 26, 1991.)
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The State of Maine held a public hearing on March 24, 1994 to
entertain public comment on the redesignation request and contingency
measures for Presque Isle. EPA reviewed Maine's submittal to determine
completeness in accordance with criteria outlined in 40 CFR Part 51
Appendix V and as amended by 57 FR 42216 (August 26, 1991). As noted
above, EPA-New England informed the Director of Maine DEP's Bureau of
Air Quality (the Maine Governor's designee) that the submittal was
complete and explained how the review process would proceed.
Redesignation to Attainment
In the TSD prepared for approval of Maine's PM10 Attainment
Plan (January 2, 1994 memorandum from Brian Hennessy), EPA noted that
the NAAQS have been attained and that the improvement in air quality is
due to permanent and enforceable reductions in emissions [requirements
(i) and (iii) above] had already been met for purposes of redesignating
Presque Isle to attainment. With the following explanations, Maine's
redesignation request has satisfied the remainder of EPA's guidance
concerning redesignation to attainment.
Maintenance Plan and Contingency Provisions Under Section175A
Section 175A defines the general frame work of a maintenance plan.
The maintenance plan will constitute a SIP revision and must provide
for maintenance of the relevant NAAQS in the area for at least 10 years
after redesignation. In addition, the maintenance plan shall contain
contingency provisions necessary to ensure prompt correction of any
violation of the NAAQS. [See Secs. 175A(b) and (d).] EPA's guidance on
redesignations outlines 5 core provisions that are necessary to ensure
maintenance of the relevant NAAQS in an area seeking redesignation from
nonattainment to attainment. The following paragraphs describe how
Maine has fulfilled each provision.
Attainment Inventory. A PM10 emission inventory for Presque
Isle was necessary in order to analyze the impact of current and
projected emissions on the ambient PM10 air quality, to quantify
emission reductions from the MOU,2 and to determine whether
Maine's control strategy will maintain the PM10 NAAQS. Maine DEP
has inventoried residential, commercial, and industrial combustion and
process sources in Presque Isle. As detailed in the approval of Maine's
PM10 Attainment Plan, the control strategy does not require
emission reductions from these source categories. As Maine DEP's
receptor modeling showed, emissions from paved roads dominate the
PM10 inventory in Presque Isle. EPA is satisfied that Maine's
inventory is sufficiently accurate and comprehensive for purposes of
redesignating Presque Isle consistent with the requirements in
Sec. 107(d)(3)(E) and Sec. 175A. Therefore, EPA is approving Maine's
emissions inventory for Presque Isle, the details of which are embodied
in the TSD.
\2\ Maine DEP has entered a joint memorandum of understanding
(MOU) with the City of Presque Isle, which includes several measures
to abate dust re-entrainment from paved roads and open areas in the
downtown area. As part of Attainment Plan for Presque Isle, Maine
DEP has demonstrated that the control measures in Part B of the MOU
have attained and will maintain the PM10 NAAQS. (See 60 FR
2885, January 12, 1995.)
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Maintenance Demonstration. A State may generally demonstrate
maintenance of the PM10 NAAQS by either showing that future
emissions of PM10 or its precursors will not exceed the level of
the attainment inventory or by modeling to show that the future mix of
sources and emission rates will not cause a violation of the NAAQS.
Whether a dispersion or receptor model has been used to relate base
case emissions to air quality, a proportional, or rollback, calculation
may be used to show that planned emission reductions will achieve and
maintain NAAQS. For the 24-hour NAAQS these conditions are met when air
quality improvements projected from enforceable emission reductions,
including consideration of growth, result in 24-hour design values
below 150 g/m3. Emissions from both road dust and diesel
exhaust categories are expected to grow at the same rate (that is, the
rate of growth in VMT, disregarding any improvements to diesel vehicle
emissions, as determined by the Maine Department of Transportation) of
2.09%.
Maine DEP used the rollback technique or model to demonstrate that
the planned strategies result in required
[[Page 45058]]
reduction in observed PM10 concentrations so that the Presque Isle
area will maintain the NAAQS. These calculations account for growth
during the period between sample collection date and the year 2005.
Rollback was performed on the four highest observed PM10
concentrations monitored during the three year period 1987-1989, the
year in which Presque Isle attained the PM10 NAAQS. This approach
is consistent with EPA's ``PM10 SIP Development Guideline'' (EPA-
450/2-86-001: June, 1987). In summary, Maine DEP has demonstrated that
both emissions projections and proportional modeling from
implementation of the MOU will maintain the PM10 NAAQS for at
least 10 years beyond redesignation.
Monitoring Network. Once an area has been redesignated, the State
should continue to operate an appropriate air quality monitoring
network, in accordance with 40 CFR Part 58, to verify the attainment
status of the area. The redesignation of Presque Isle to attainment
will not change the monitoring network which Maine has in place. On the
contrary, the contingency plan (as described below) is based on
continued monitoring of PM10 in the Presque Isle area.
Verification of Continued Attainment. Each State should ensure that
it has the legal authority to implement and enforce all measures to
attain and to maintain the NAAQS. Sections 110(a)(2)(B) and (F) of the
Clean Air Act and regulations promulgated at 40 CFR 51.110(k), suggest
that one such measure is the acquisition of ambient and source emission
data to demonstrate attainment and maintenance.
In this redesignation request, Maine has committed to performing a
periodic inventory of emission sources in the Presque Isle area at 3
year intervals. An emission summary will be prepared and submitted in
December of the year following the year of the inventory. The detail of
the inventory will be consistent with that employed in the PM10
Attainment Demonstration SIP for Presque Isle. The first year of the
inventory will be 1996, with the subsequent summary report completed in
December, 1997.
Contingency Provisions. Section 175A(d) of the Clean Air Act
requires that a maintenance plan also include contingency provisions,
as necessary, to promptly correct any violation of the NAAQS that
occurs after redesignation of the area. The contingency plan is
considered an enforceable part of the SIP and should ensure that
contingency measures are adopted expediently once they are triggered.
The plan should clearly identify the measures to be adopted, a schedule
and procedure for adoption and implementation, and a specific time
limit for action by the State. As a necessary part of the plan, the
State should also identify specific indicators, or triggers, which will
be used to determine when the contingency measures need to be
implemented.
By virtue of incorporation into Maine's SIP, Part B of Maine DEP's
revised MOU with the City of Presque Isle will supplement the existing
control plan for Presque Isle with two contingency levels. Maine has
developed this MOU to meet the requirements of Secs. 175A(d) and
172(c)(9).
The City of Presque Isle will use salt and liquid calcium chloride
as the main source of winter antiskid control within a \1/2\ mile
radius of the Northeastland Hotel. As climatic conditions develop where
the use of salt and liquid calcium chloride is ineffective, the City
will use the harder, low percent fines material, since liquid calcium
chloride becomes ineffective at about -20 deg.F. The contingency plan
will be implemented as soon as Maine DEP notifies the City that 24-hour
PM10 concentrations of 130 g/m\3\ have been measured at
the maximum impact site. Maine DEP will know within 7 days of the
occurrence of the concentration and will notify the City immediately.
The City of Presque Isle will expand the use of salt and liquid
calcium chloride to an additional \1/4\ mile radius on roads which are
considered major arteries to the City as soon as Maine DEP notifies the
City that 24-hour PM10 concentrations of 140 g/m3
have been measured at the maximum impact site.
Maine has proposed these contingency measures that Presque Isle has
implemented voluntarily and which have resulted in a reduction of
measured PM10 concentrations. Substitution of the liquid calcium
chloride for a sand/salt mix has achieved lower silt loadings than the
current MOU requires. Voluntary implementation of this contingency plan
does not preclude its use in a contingency plan.
Control efforts in Presque Isle have focused on emissions from road
sanding. The City of Presque Isle has demonstrated its commitment to
solving the re-entrained dust problem by using durable sand containing
a low percentage of fines. More recently, the City of Presque Isle
reduced PM10 levels by using liquid calcium chloride as a de-icer
whenever temperatures permit.
As provided in Sec. 172(c)(9) of the Act, all moderate
nonattainment area SIPs that demonstrate attainment must include
contingency measures. (See generally 57 FR 13543-44.) These measures
were required to be submitted by November 15, 1993 for the initial
moderate nonattainment areas. These measures must take effect without
further action by the State or EPA, upon a determination by EPA that
the area has failed to make RFP or attain the PM10 NAAQS by the
applicable statutory deadline.
EPA is accepting Maine's contingency plan as adequate to fulfill
both Sec. 175A(d) contingency provision and Sec. 172(c)(9) contingency
measure requirements.
Applicable Requirements Under Section 110 and Part D
The requirements under Sec. 107(d)(3)(E) (ii) and (iv) listed above
are addressed in the January 2, 1994 TSD. Specifically, EPA's January
12, 1995 approval of Maine's PM10 Attainment Plan noted the only
outstanding PM10 SIP element was the Sec. 172(c)(9) contingency
measures. In approving Maine's PM10 Attainment Plan, EPA-New
England stated that the ``contingency plan'' developed to meet the
Sec. 175A(d) contingency provisions requirement for redesignation also
could satisfy those contingency measures required for initial moderate
nonattainment areas under Sec. 172(c)(9). Consequently, with the
redesignation of Presque Isle to attainment, Maine has satisfied all
Sec. 110 and Part D requirements applicable to Presque Isle for
PM10.
Final Action
EPA is approving the PM10 redesignation request, maintenance
plan, and contingency measures Maine submitted to the EPA on June 1,
1994. EPA is also approving a revision to Chapter 114 of Maine's
Department of Environmental Protection Regulations, ``Classification of
Air Quality Control Regions,'' which removes Presque Isle as a
nonattainment area for PM10. Chapter 114 was adopted by the Board
of Environmental Protection on April 27, 1994 and accepted by the
Secretary of State with an effective date of May 9, 1994.
EPA is publishing this action without prior proposal because the
Agency views this as a noncontroversial amendment and anticipates no
adverse comments. However, in a separate document in this Federal
Register publication, EPA is proposing to approve the SIP revision
should adverse or critical comments be filed. This action will be
effective October 30, 1995
[[Page 45059]]
unless adverse or critical comments are received by September 29, 1995.
If the EPA receives such comments, this action will be withdrawn
before the effective date by simultaneously publishing a subsequent
notice that will withdraw the final action. All public comments
received will then be addressed in a subsequent final rule based on
this action serving as a proposed rule. The EPA will not institute a
second comment period on this action. Any parties interested in
commenting on this action should do so at this time. If no such
comments are received, the public is advised that this action will be
effective on October 30, 1995.
Under the Regulatory Flexibility Act, 5 U.S.C. Sec. 600 et seq.,
EPA must prepare a regulatory flexibility analysis assessing the impact
of any proposed or final rule on small entities. 5 U.S.C. Secs. 603 and
604. Alternatively, EPA may certify that the rule will not have a
significant impact on a substantial number of small entities. Small
entities include small businesses, small not-for-profit enterprises,
and government entities with jurisdiction over populations of less than
50,000.
Under Secs. 202, 203, and 205 of the Unfunded Mandates Reform Act
of 1995 (``Unfunded Mandates Act''), signed into law on March 22, 1995,
EPA must undertake various actions in association with proposed or
final rules that include a Federal mandate that may result in estimated
costs of $100 million or more to the private sector, or to State,
local, or tribal governments in the aggregate.
Through submission of this state implementation plan revision, the
State and any affected local or tribal governments have elected to
adopt the program provided for under Sec. 110 of the Clean Air Act.
These rules may bind State, local and tribal governments to perform
certain actions and also require the private sector to perform certain
duties. To the extent that the rules being approved by this action will
impose no new requirements; such sources are already subject to these
regulations under State law. Accordingly, no additional costs to State,
local, or tribal governments, or to the private sector, result from
this action. EPA has also determined that this action does not include
a mandate that may result in estimated costs of $100 million or more to
State, local, or tribal governments in the aggregate or to the private
sector.
SIP approvals under Sec. 110 and subchapter I, Part D of the CAA do
not create any new requirements, but simply approve requirements that
the State is already imposing. Therefore, because the federal SIP-
approval does not impose any new requirements, I certify that it does
not have a significant impact on any small entities affected. Moreover,
due to the nature of the federal-state relationship under the CAA,
preparation of a regulatory flexibility analysis would constitute
federal inquiry into the economic reasonableness of state action. The
CAA forbids EPA to base its actions concerning SIPs on such grounds.
Union Electric Co. v. USEPA, 427 US 246, 256-66 (S.Ct. 1976); 42 U.S.C.
7410 (a)(2).
This action has been classified as a Table 3 action by the Regional
Administrator under the procedures published in the Federal Register on
January 19, 1989 (54 FR 2214-2225), as revised by an October 4, 1993,
memorandum from Michael H. Shapiro, Acting Assistant Administrator for
Air and Radiation. A future notice will inform the general public of
these tables. The Office of Management and Budget (OMB) has exempted
this action from review under Executive Order 12866.
Nothing in this action should be construed as permitting or
allowing or establishing a precedent for any future request for
revision to any state implementation plan. Each request for revision to
the state implementation plan shall be considered separately in light
of specific technical, economic, and environmental factors and in
relation to relevant statutory and regulatory requirements.
Under Sec. 307(b)(1) of the Clean Air Act, petitions for judicial
review of this action must be filed in the United States Court of
Appeals for the appropriate circuit by October 30, 1995. Filing a
petition for reconsideration by the Administrator of this final rule
does not affect the finality of this rule 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 Sec. 307(b)(2).]
List of Subjects
40 CFR Part 52
Environmental protection, Air pollution control, Incorporation by
reference, Particulate matter, Reporting and recordkeeping
requirements.
40 CFR Part 81
Air pollution control, National parks, Wilderness areas.
Note: Incorporation by reference of the State Implementation
Plan for the State of Maine was approved by the Director of the
Federal Register on July 1, 1982.
Dated July 20, 1995.
John P. DeVillars,
Regional Administrator, EPA-New England.
Chapter I, title 40 of the Code of Federal Regulations is amended
as follows:
PART 52--[AMENDED]
1. The authority citation for part 52 continues to read as follows:
Authority: 42 U.S.C. 7401-7671q.
Subpart U--Maine
2. Section 52.1020 is amended by adding paragraph (c)(40) to read
as follows:
Sec. 52.1020 Identification of plan.
* * * * *
(c) * * *
(40) Revisions to the State Implementation Plan submitted by the
Maine Department of Environmental Protection on June 1, 1994.
(i) Incorporation by reference.
(A) Letter from the Maine Department of Environmental Protection
dated June 1, 1994 submitting revisions to the Maine State
Implementation Plan.
(B) Revisions to Chapter 114 of the Maine Department of
Environmental Protection Regulations, ``Classification of Air Quality
Control Regions,'' adopted by the Board of Environmental Protection on
April 27, 1994 and accepted by the Secretary of State with an effective
date of May 9, 1994.
(C) Revisions to Part B of the Memorandum of Understanding which
the Maine Department of Environmental Protection (DEP) entered into
(and effective) on May 25, 1994, with the City of Presque Isle, and the
Maine Department of Transportation.
(ii) Additional materials.
(A) A maintenance demonstration and contingency plan which outline
Maine's control strategy for maintenance of the PM10 NAAQS and
contingency measures and provision for Presque Isle.
(B) Nonregulatory portions of the submittal.
3. In Sec. 52.1031 the table is amended by adding a new citation to
entry ``114'' to read as follows:
Sec. 52.1031 EPA-approved Maine regulations.
* * * * *
[[Page 45060]]
Table 52.1031.--EPA-Approved Rules and Regulations
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Date
State citation Title/subject adopted Date approved by EPA Federal Register citation 52.1020 Comments
by State
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* * * * * * *
114............... Classification of Air 4/27/94 Aug. 30, 1995........ [Insert FR citation from (c)(40) Revision to remove
Quality Control Regions. published date]. Presque Isle as
nonattainment for PM10.
* * * * * * *
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PART 81--[AMENDED]
1. The authority citation for part 81 continues to read as follows:
Authority: 42 U.S.C. 7401-7671q.
2. Section 81.320 is amended by revising the table for ``Maine--
PM10 Nonattainment Areas'' to read as follows:
Sec. 81.320 Maine.
* * * * *
Maine--PM10 Nonattainment Areas
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Designation Classification
Designated area ----------------------------------------------------------------------------------------
Date Type Date Type
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Aroostook County:
City of Presque Aug. 30, 1995........... Attainment
Isle (part)\1\.
That area
bounded by
Allen Street
from its
intersection
with Main
Street east to
Dudley Street,
Dudley Street
south to Cedar
Street, Cedar
Street west to
Main Street,
Main Street
south to
Kennedy Brook,
Kennedy Brook
northwest
crossing
Presque Isle
Stream to
Coburn Street,
Coburn Street
northwest to
Mechanic
Street,
Mechanic
Street west to
Judd Street,
Judd Street
northeast to
State Street,
State Street
northwest to
School Street,
School Street
northeast to
Park Street,
Park Street
east to Main
Street
Rest of State...... 11/15/90................ Unclassifiable
----------------------------------------------------------------------------------------------------------------
\1\ This definition of the nonattainment area redefines its borders from the entire City of Presque Isle to this
area of 0.6 square miles which circumscribe the area of high emission densities and ambient PM10 levels. (60
FR 2885, January 12, 1995)
[FR Doc. 95-21464 Filed 8-29-95; 8:45 am]
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