1. 1 MDEQ Air Division Air Update August 6, 2008

2. 2 Mississippi Update Ozone PM2.5 Lead Regional Haze CAIR, CAMR Vacatur Boiler MACT Vacatur Area Source MACT Lead Based Paint – RRP Rule

3. 3 2005-2007 8-Hour Ozone Design Values (ppb) Monitored Counties > 75 ppb MSA’s of Monitored Counties >75 ppb are in gray

4. 4 2005-2007 PM 2.5 Annual Design Values (ug/m 3 ) Standard = 15.0 ug/m 3

5. 5 2005-2007 PM 2.5 24-Hour Design Values (ug/m 3 ) Standard = 35 ug/m 3

6. 6 Proposed Lead Standard Final rule will be signed by October 15, 2008 Final designations to be made by EPA in October 2011 Mississippi has not monitored for lead since 1995 Mississippi will likely be required to monitor at several sites, depending upon the final lead standard chosen.

7. 7 Regional Haze Update Went to Public Notice on June 16 th and had a public hearing July 16, 2008. Plan to go to Commission on August 28, 2008. Supplemental SIP will need to be submitted in a year to address MS Phosphate and DuPont determinations.

8. 8 CAIR & CAMR Vacatur CAMR was vacated on Feb 8, 2008 We only had four facilities affected by this rule CAIR – Vacated July 2008 MS Adopted both CAIR & CAMR by reference Regional Haze SIP may have to be revised Transport SIPs required by 110(a)(2) (d)(i) relied on CAIR Will impact Ozone Attainment Planning Waiting for more finality before any actions are taken

9. 9 Boiler MACT Vacatur Boiler MACT was vacated in June 2007 MS does not believe that 112j applies Waiting on Guidance from EPA regarding applicability of 112j We have a list of Q& A regarding the boiler MACT on our website

10. 10 Area Source MACT EPA has promulgated Area Source MACT Standards covering 45 of the 70 source categories. MS is sending surveys out for these Area source categories. This has been a very resource intensive process.

11. 11 Lead Based Paint - RRP EPA published the Lead Renovation, Repair and Painting (RRP) Program on April 22, 2008. MS is planning on accepting the RRP program delegation Extensive planning By April 2010, training providers must be accredited, renovation firms and dust sampling technicians must be certified.

12. 12 Questions?

13. 13 Contact Information Maya Rao 601-961-5242 515 Amite Street, Jackson MS 39201 Mrao@deq.state.ms.us MDEQ Website : www.deq.state.ms.us