fov110702

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Published on February 20, 2008

Author: Valeria

Source: authorstream.com

Air Quality Update -Ozone and Particulate-:  Air Quality Update -Ozone and Particulate- Commission on the Future of Virginia’s Environment November 7, 2002 Air Quality :  Air Quality DEQ’s ambient air monitoring network shows that air quality in Virginia is generally good, but some areas need improvement Levels for SO2, NOx, PM 10 and CO are less than 50% of health-based standards in all parts of Virginia. Some areas of Virginia exceed the standards for ozone and PM 2.5 Ozone:  Ozone 1-hr standard (will be rescinded once 8-hr standard is implemented) Must comply with requirements until 8-hr std is implemented Richmond and Tidewater have been redesignated as in attainment for the 1-hour standard plans to maintain air quality have been adopted Northern Virginia is being “bumped up” to severe non-attainment for the 1-hour standard Exceeded 1-hour standard on 6 different days in 2002 An implementation plan to improve air quality is being developed with D.C. and MD Ozone cont’d.:  Ozone cont’d. 8-hour ozone standard EPA proposed in 1997 (litigation delayed implementation, but was resolved in support of the standards) Air quality is evaluated based on the 4th highest 8-hour value averaged over 3 years 3-year average must be 84 ppb or less to meet standard Draft plan for implementation of new standard expected from EPA late 2002 and will be finalized late 2003 Designation of non-attainment areas will be finalized in 2004 State Implementation Plans to improve air quality will be due in 2007 Ozone Designations (8-hr std):  Ozone Designations (8-hr std) Designation of Non-Attainment Areas Based upon air quality monitoring, ozone precursor emissions, population, and expected growth Virginia submitted recommendations to EPA in 2000 Richmond area, Hampton Roads, Northern Virginia, Fredericksburg area, Frederick County, Roanoke Area EPA has proposed addition of 4 counties based on modeling (Rockingham, Augusta, Albemarle, Pittsylvania) Revised recommendations are due in April 2003 will be finalized in 2004 Recommendations will be similar to those submitted in 2000, but may exclude Fauquier County, Caroline County and Fredericksburg based on most recent monitoring data Potential Nonattainment Areas DEQ Recommendations & EPA Additions:  Potential Nonattainment Areas DEQ Recommendations & EPA Additions Virginia Recommendations Potential EPA Additions Rockingham Augusta Albemarle Pittsylvania Roanoke Shenandoah NP Frederick Northern Virginia Fredericksburg Richmond Hampton Roads Recommendations made in 2000 based on 1997 to 1999 monitoring data Implications of Ozone Nonattainment :  Implications of Ozone Nonattainment State Implementation Plans to reduce NOx and VOC DEQ will work with metropolitan planning organizations and local officials to develop each SIP Plans will vary based on the severity of the ozone problem The NOx SIP call is expected to solve most ozone problems in Virginia Transportation Conformity requirements will apply 1-year after final designation (2005) Nonattainment areas will require: Emissions offsets for permitted facilities More stringent pollution controls for permitted facilities Early Action Compact (EAC):  Early Action Compact (EAC) If localities enter EAC, nonattainment designations and related mandatory actions may be delayed Takes advantage of national measures and optional local measures to achieve air quality goals Measures may include early implementation of vapor recovery measures, carpooling programs, etc. DEQ is working with Frederick County and Roanoke on this approach EAC Requirements Agreement by 12/31/02 Develop plan for local measures to reduce Nox and VOC Submit plan by 3/2003 and implement plan by May 2004 PM 2.5 Standard:  PM 2.5 Standard EPA proposed new standard in 1997 (litigation delayed implementation, but was resolved in support of the standards) 24 hours: 65 micrograms/cubic meter Annual: 15 micrograms/cubic meter 24 Hour Standard is being met everywhere in Virginia Annual standard is being met everywhere except for Bristol and Roanoke PM 2.5 Designations / SIPs:  PM 2.5 Designations / SIPs Designations will be based on air monitoring results Proposed designations due 7/03 - 7/04 Designations finalized by 7/05 EPA will propose implementation rules spring of 2003 (March) State Implementation Plans will be due after the rules are finalized

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