ENVIRONMENTAL PROTECTION AGENCY (EPA)
40 CFR Parts 52 and 81
Approval and Promulgation of Air Quality Implementation Plans and Designation of Areas for Air Quality Planning Purposes; Redesignation of the Huntington West Virginia Ozone Nonattainment Area to Attainment and Approval of the Area's Maintenance Plan
59 FR 65719
DATE: Wednesday, December 21, 1994
SUMMARY: EPA is approving a redesignation request and a State Implementation Plan (SIP) revision submitted by the State of West Virginia. This SIP revision approves a maintenance plan for the Huntington area including contingency measures which provide for continued attainment of the ozone National Ambient Air Quality Standard (NAAQS). The intended effect of this action is to approve a redesignation request of the area from moderate ozone nonattainment to ozone attainment and to approve a maintenance plan for the area. This action will also remove any sanctions imposed on the Huntington area under section 179 of the Clean Air Act, as amended in 1990 (the Act). This action is being taken in accordance with the Clean Air Act (CAA).
EFFECTIVE DATE: This rule will become effective on December 21, 1994.
ADDRESSES: Copies of the documents relevant to this action are available for public inspection during normal business hours at the Air, Radiation, and Toxics Division, U.S. Environmental Protection Agency, Region III, 841 Chestnut Building, Philadelphia, Pennsylvania 19107; the Air and Radiation Docket and Information Center, U.S. Environmental Protection Agency, 401 M Street, SW, Washington, DC 20460; West Virginia Department of Environmental Protection, Office of Air Quality, 1558 Washington Street, East, Charleston, West Virginia, 25311.
FOR FURTHER INFORMATION CONTACT: Ruth Knapp at (215) 597-8375 or Todd Ellsworth at (215) 597-2906.
SUPPLEMENTARY INFORMATION: On September 6, 1994 (59 FR 46019), EPA published a Notice of Proposed Rulemaking (NPR) for the State of West Virginia. The NPR proposed approval of the maintenance plan and redesignated the Huntington area to attainment for ozone. The formal request for redesignating the Huntington moderate ozone nonattainment area to attainment and the maintenance plan SIP revision were submitted to EPA by the State of West Virginia on November 12, 1992. On February 22, 1994 and August 10, 1994 West Virginia provided clarifying revisions to its maintenance plan. The maintenance plan for the Huntington area provides for emissions tracking, triggers to implement contingency measures, and a schedule for implementing the measures. In the event that exceedances of the ozone NAAQS are measured such that nonattainment is indicated at any of the three monitors in the Huntington- Ashland area or in the event that periodic emissions inventory updates or major permitting activity reveals that excessive or unanticipated growth in ozone precursor emissions has occurred or will occur, West Virginia will accordingly select and adopt additional control measures.
The specific requirements for the redesignation and maintenance plan and the rationale for EPA's proposed action are explained in the NPR and will not be restated here. Two letters supporting the redesignation and maintenance plan were received, and one adverse comment letter was received on the NPR. Following are the comments that were submitted relevant to EPA's action to redesignate the Huntington area and to approve the maintenance plan. EPA responses follow each comment.
Comment #1: The Commonwealth of Kentucky supports the request to redesignate the West Virginia portion of the Huntington-Ashland moderate ozone nonattainment area to attainment. In conjunction with Kentucky's request to redesignate the Kentucky portion of the Huntington- Ashland moderate ozone nonattainment are to attainment, West Virginia's maintenance plan and contingency measures meet the U.S. EPA's criteria and guidance to ensure that the air quality in this area will be preserved.
Response #1: EPA acknowledges this comment.
Comment #2: Columbia Gas Transmission Corporation (Columbia) wishes to strongly support the proposed redesignation to ozone attainment of the Huntington, West Virginia area (Wayne and Cabell Counties). In view of the fact that there have been no violations of the ozone standard in the Huntington area since the 1989 ozone season, it is appropriate for this redesignation to be approved. The maintenance and contingency plans should assure continued attainment will be maintained.
Response #2: EPA acknowledges this comment.
Comment #3: The Ohio Valley Environmental Coalition (OVEC) commented that contingency measures of the maintenance plan are not adequate to assure attainment since the exact causes of ozone nonattainment in this area are not well understood.
Response #3: As stated in the NPR, EPA believes that the criteria of sections 107(d)(3)(E)(iii) and 175A have been met by the Huntington area. The Huntington area has not recorded an ozone violation in the last five years. During this period, permanent and enforceable reductions in ozone precursors occurred. As part of their maintenance plan, West Virginia will carefully track precursor emissions. If for any reason, a substantial increase in emissions occurs or if ozone violations are recorded, the contingency measures in the maintenance plan allow the State to choose the most appropriate measure(s) to deal with the situation. The combination of emissions tracking and available contingency measures will allow the State to mitigate future problems should they occur.
Comment #4: OVEC also commented that the first two measures of the contingency plan which include extending the VOC/RACT requirement to sources previously excluded and requiring more stringent controls and/or emissions offsets for new sources should be implemented immediately.
Response #4: The Huntington area has not had any ozone violations for five years. Permanent and enforceable reductions in ozone precursor emissions have occurred, and negative growth is expected in the area. This information indicates that the area will continue to maintain the ozone standard in the future, and that the contingency measures do not need to be implemented at this time.
Comment #5: OVEC also commented that NOx emissions estimates in the area appear to be low, and more study is needed to determine if additional NOx RACT requirements would help reduce ozone.
Response #5: The NOx emission estimates for the Huntington area were determined through the application of current EPA emission inventory guidance. Therefore, these emission estimates are considered by EPA to accurately represent NOx emissions for the area. If substantial increases in emissions of NOx were to occur, the appropriate contingency measure(s) would be used to reduce the emissions of this ozone precursor.
Comment #6: OVEC also commented that the emission caps to be set for existing plants as described as contingency measures should be set now, including a cap for the largest stationary source which is in Kentucky.
Response #6: West Virginia has time to determine how caps would be set, when and if it were necessary to choose this contingency measure. West Virginia cannot set emission caps for sources in Kentucky. Detailed information about the maintenance plan for Kentucky's portion of the ozone nonattainment area will appear in the separate notice prepared by EPA Region IV.
Comment #7: OVEC commented that the contingency measures related to Stage II and vehicle inspection and maintenance (I/M) programs do not address the main stationary sources of ozone precursors. These programs are costly and would not be productive.
Response #7: For the past five years, Huntington has not experienced violations of the ozone standard due to reductions in mobile emissions. While current predictions do not indicate future increases in mobile emissions, contingency measures such as Stage II and I/M could provide a cost effective means of offsetting potential emissions increases from mobile and/or stationary source growth.
Comment #8: OVEC commented that until all causes of the ozone problem are understood in detail, no contingency plan is adequate.
Response #8: As previously mentioned, the Huntington area has not had a violation of the ozone standard in five years. Permanent and enforceable reductions have occurred, and future predictions indicate that emissions from all source categories will remain below emissions for these sources in the base attainment year of 1993. Therefore it is unlikely that ozone problems will occur again. However, in order to maintain attainment, the state will carefully track and periodically update the emissions inventory for the area. If substantial growth of emissions occurs or if ozone violations are recorded, the contingency measures will be examined and an appropriate measure(s) will be implemented. Since emissions of both VOC and NOx are being tracked and the list of contingency measures covers both precursor pollutants and a variety of source categories, the state can determine which sources need to be controlled and which measures need to be implemented.
EPA is approving the ozone maintenance plan for the Huntington (Cabell and Wayne counties) area of West Virginia submitted on November 12, 1992, as revised on February 22, 1994 and August 10, 1994 because it meets the requirements of Section 175A. In addition, the Agency is redesignating the Huntington area to ozone attainment because the Agency has determined that the provisions of Section 107(d)(3)(E) of the Act for redesignation have been met.
Because it was a nonattainment area on January 15, 1993 EPA notified the Governor of West Virginia that it had made a finding that West Virginia had failed to submit either a full or committal SIP revision for a basic inspection and maintenance (I/M) program for the Huntington portion of the ozone nonattainment area. Similarly on January 18, 1994, EPA notified the Governor that West Virginia had failed to submit a 15% plan for the area. These findings commenced the sanctions process outlined by section 179 of the Act. The 2:1 offset sanction has been in effect in the Huntington area since September 6, 1994 as a result of the January 15, 1993 finding. Upon the effective date of this final approval by EPA of West Virginia's redesignation request and maintenance plan, the requirement for West Virginia to submit a basic I/M program and 15% plan for this area will be lifted. Upon that same effective date, both findings will be automatically rescinded in the Huntington area and any sanctions imposed as of that date will be lifted.
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.
This action has been classified as a Table 2 action for signature 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. The OMB has exempted this regulatory action from E.O. 12866 review.
Under section 307(b)(1) of the Clean Air Act, petitions for judicial review of this action to approve West Virginia's redesignation request and maintenance plan for the Huntington portion of the Huntington-Ashland ozone nonattainment area must be filed in the United States Court of Appeals for the appropriate circuit by February 21, 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 section 307(b)(2).)
List of Subjects
40 CFR Part 52
Environmental protection, Air pollution control, Hydrocarbons, Incorporation by reference, Intergovernmental relations, Nitrogen dioxide, Ozone.
40 CFR Part 81
Air pollution control, National parks.
Dated: December 6, 1994.
Peter H. Kostmayer, Regional Administrator, Region III.
Chapter I, title 40 of the Code of Federal Regulations is amended as follows:
1. The authority citation for part 52 continues to read as follows:
Authority: 42 U.S.C. 7401-7671q.
Subpart XX-West Virginia
2. Section 52.2520 is amended by adding paragraph (c)(30) to read as follows:
@ 52.2520 -- Identification of plan.
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(c) * * *
(30) The ten year ozone maintenance plan including emission projections and contingency measures for Huntington, West Virginia (Cabell and Wayne counties) as revised and effective on August 10, 1994 and submitted by the West Virginia Division of Environmental Protection:
(i) Incorporation by reference.
(A) The ten year ozone maintenance plan including emission projections and contingency measures for Huntington, West Virginia (Cabell and Wayne counties) revised and effective on August 10, 1994.
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3. The authority citation for part 81 continues to read follows:
Authority: 42 U.S.C. 7401-7671q.
Subpart C-Section 107 Attainment Status Designations
4. In @ 81.349 the ozone table is amended by revising the entry for "Cabell County" and "Wayne County" to read as follows:
@ 81.349 -- West Virginia. * * * * * West Virginia-Ozone Designated area Designation Classification Date fn 1 Type Date Type Huntington-Ashland Area: Cabell County December 21, 1994 Unclassifiable/ Attainment Wayne County December 21, 1994 Unclassifiable/ Attainment fn 1 This date is November 15, 1990, unless otherwise noted.
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[FR Doc. 94-31267 Filed 12-20-94; 8:45 am]
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