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Mississippi Air Quality Update

Mississippi Air Quality Update. Mississippi Dept. of Environmental Quality Air Division August 5, 2011. Ongoing NAAQS Review Schedule Proposed and Final Rules as of July 15 2011.

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Mississippi Air Quality Update

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  1. Mississippi Air Quality Update Mississippi Dept. of Environmental Quality Air Division August 5, 2011

  2. Ongoing NAAQS Review ScheduleProposed and Final Rulesas of July 15 2011 Note: Underlined dates indicate court-ordered or settlement agreement deadlines; green shaded areas indicate actions that have already occurred.

  3. 2008-2010 8-Hour Ozone Design Values (ppb) MSA’s > 70 ppb MSA’s = 60-70 ppb Current Standard – 75ppb Proposed Standard 60-70 ppb

  4. Mississippi 8-Hour Ozone 2007-2010 2008 Ozone Primary Standard=75 ppb New Ozone Primary Standard = ?

  5. 2008-2010 Annual PM2.5 Design Values Standard = 15 ug/m3

  6. 2008-2010 24-Hour PM2.5 Design Values Standard = 35 ug/m3

  7. Lead • The new regulations require lead to be monitored in the Jackson Metro Area starting December 27, 2011 • Designations may be issued by October 15, 2011.

  8. Nitrogen Dioxide • EPA intends to designate all areas of Mississippi as attainment/ unclassifiable. • Final designations may be issued by October 31, 2011.

  9. Sulfur Dioxide • On June 2, 2010 EPA revoked the two existing primary standards of 140 ppb (24-hr) and 30 ppb (annual) and replaced them with a 1-hr standard of 75 ppb. • Currently MDEQ has two monitors: - Jackson County 2008-2010 1-Hour Design Value – 35 ppb - N-Core Monitoring Site – started January 2011 • EPA guidance document requires states to do both modeling as well as monitoring to classify areas as attainment/nonattainment. • Governor’s Recommendation was submitted on July 5, 2011, recommending Jackson County designated as attainment and the rest of the State as attainment/unclassifiable • Designations may be made in June 2012 • Infrastructure SIPs are due by June 2013.

  10. Carbon Monoxide • On January 28, 2011, EPA proposed to retain the existing standard of 35 ppm (1 hour) and 9 ppm (8 hour). • Final rule to be issued by August 12, 2011 • MDEQ has a monitor at the N-Core Monitoring Site – started January 2011

  11. Radnet Monitoring • EPA has a Nationwide Monitoring System. • There is a monitor in Jackson (Near UMC). • MDEQ staff helps EPA with changing the cartridge. • EPA Lab in Montgomery, AL gets the data instantaneously.

  12. MS DEQ Rule Changes • SIP Revision and amendments to state air pollution control regulations and State Title V regulations to adopt, by reference & incorporate federal requirements specifically, the Tailoring Rule for Greenhouse gases. • .

  13. MS DEQ Rule Changes • SIP Revision and amendments to “Regulations for the Prevention of Significant Deterioration of Air Quality”, APC-S- 5 to adopt, by reference, incorporate federal provisions relating to implementing the New Source Review(NSR) program for fine particulate matter (PM2.5) • The Commission adopted the regulation amendments on April 28, 2011. • Depending upon the final action from US EPA, we proposed to address NOx as a PM2.5 precursor as follows: 1. Until such a time where EPA takes action on the demonstration or upon plan disapproval, NOx will be considered as a precursor for PM2.5 in Mississippi. Or 2. Upon EPA approval of this demonstration, NOx will not be considered as a precursor for PM2.5 in Mississippi.

  14. DIESEL EMISSION REDUCTION GRANT (DERA) • FY 2010 DERA Grant ~ $340k • Sub-grant program focusing on public and non-profit organizations • Received 39 applications requesting over $1.2 million in grant funds. • Awarded 12 projects. Projects include Engine Rebuild, fuel efficiency technology, idling reductions, etc. • FY 2011 DERA Grant ~ $285k • Release applications in Nov, due by mid Jan 2012 • Select Projects by March & completed by Aug 2012 • Max Project Size of $50k from MDEQ

  15. Title V Fee – FY 2012 • The TV Fee for FY 2012 is still $36/ton • However, the Title V revenues continue to decline. We are going to evaluate options to increase the TV revenue.

  16. Contact Information Maya Rao 601-961-5242 Mrao@deq.state.ms.us

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