Environmental Quality Commission 2013 Annual Meeting June 5, 2013

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Environmental Quality Commission 2013 Annual Meeting June 5, 2013. John Lyons, Director Kentucky Division for Air Quality. To Protect and Enhance Kentuckys Environment. Topics Covered. Air Quality Trends Non-attainment Status Near Road Monitoring Mercury and Air Toxics Standards - PowerPoint PPT Presentation

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  • Environmental Quality Commission2013 Annual MeetingJune 5, 2013

    John Lyons, Director Kentucky Division for Air Quality

    To Protect and Enhance Kentuckys Environment

  • Topics CoveredAir Quality TrendsNon-attainment StatusNear Road MonitoringMercury and Air Toxics StandardsAir Toxics and Permitting*

  • National Ambient Air Quality StandardsNational Ambient Air Quality Standards (NAAQS) are set for six widespread and common Criteria PollutantsParticulate MatterOzoneLeadSulfur DioxideNitrogen OxidesCarbon MonoxideSection 109 of CAA: EPA shall propose regulations prescribing a NAAQS for each criteria pollutantThese standards shall be based on a margin of safety adequate for protecting public health

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  • Air Quality Trends

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  • *

  • *

  • NAAQS Review & Setting of New StandardsThe CAA requires NAAQS to be reviewed at 5 year intervals & revised as deemed necessaryReviewing the NAAQS is a lengthy undertaking and includes several major phasesPlanningScience AssessmentRisk/Exposure AssessmentPolicy AssessmentRulemaking*

  • Designation ProcessWhen a new standard is set:States have 1 year to make designation recommendations to EPA based onAir quality dataEmissions dataLevel of control of emission sourcesPopulation density and degree of urbanizationTraffic and commuting patternsGrowth rate and patternsMeteorologyGeography/topography Jurisdictional boundariesEPA has 1 year to review state designation recommendations, modify the recommendations if necessary, and make final attainment/nonattainment area designations*

  • State Implementation PlansClean Air Act requires states to create a specific plan to achieve the NAAQS for each area designated nonattainment

    A State Implementation Plan (SIP) is an air quality plan that shows how to attain or maintain the NAAQS and bring an area back into attainment

    Each state is responsible for developing SIPs to demonstrate how standards will be achieved, maintained, and enforced

    Plans provide for the implementation and enforcement of emission control measures from all source categories

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  • Attainment of the NAAQS*establishesevery 5 yearsif deemed appropriate1 year1 year3 years2 years

  • Attainment Status*

    Nonattainment (partial county) 2008 8-hour ozone Nonattainment (whole county) 2006 PM2.5 Attainment

  • Near Road MonitoringFebruary 9, 2010 EPA finalizes requirements for new 1-hour NO2 standard.NO2 is a large component of mobile emissionsNear road site locationCore-based statistical area with population >500,000Site operational by January 1, 2014Site operated by LMAPCD

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  • Proposed Jefferson Co. SiteAerial photo of proposed site location 1517 Durrett Lane, 0.90 miles north of the I-264/I-65 interchange. *

  • Mercury and Air Toxics StandardRule became effective on April 16, 2012Existing sources have 3 years to comply unless granted an extensionNew sources would have to comply upon startupRule expected to reduce mercury emissions by 90% Other pollutants such as SO3 required to be controlled as wellMultiple lawsuits have been filed on the rule

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  • Air Toxics and PermittingState has a different program than LMAPCDBroadly governed under one regulation 401 KAR 63:020Requires screening of air toxics, up to and including a formal risk assessmentHas been in place since 2006*

  • *Questions?

    Contact Information:John LyonsDirector

    Kentucky Division for Air Quality200 Fair Oaks Lane 1st FloorFrankfort, KY 40601-1403

    John.Lyons@ky.gov(502) 564-3999 ext.4400

    **

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