1. Joint Urban Air Toxic Study Maricopa County, Arizona Daniel Blair, Air Quality Specialist Gila River Indian Community Sacaton, Arizona

2. 2 Flagstaff

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4. 4 The “Leroux Fire” near Flagstaff, June 2001

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6. Partnership Facilitators at NAU uCenter for Sustainable Environments http://environment.nau.edu uInstitute for Tribal Environmental Professionals http://www.cet.nau.edu/itep/ uAmerican Indian Air Quality Training Program uTribal Air Monitoring Support Center http://www.cet.nau.edu/itep/TAMS/TAMS default.htm

7. 7 Focus Discussion uBackground information uJoint partnerships uScope of initial proposal & initiative uMaricopa MSA & tribal lands uTechnical perspectives

8. 8 Background Information uOAR/STAPPA/ALAPCO/ECOs & tribal uNational initiatives –Vision & goals statement –Planning & management of air quality uJoint planning process initiative –EPA/ state/local/tribal partnerships

9. 9 National forum among co-regulators –Create joint partnerships –Address improvement of air quality –Develop & promote joint projects/proposals –Charter –Joint statement on vision & goals Recommendations

10. 10 Objectives uAssess extent & impacts of Air Toxics in Maricopa County uCreate partnership among federal/state/county & tribes in region uComprehensive understanding of air toxics in region, effects on citizens & tribal members Maricopa County Proposed Study

11. 11 uNAU/CSE/ITEP uU.S. EPA uArizona Dept of Environmental Quality uMaricopa County Environmental Services uSalt River Pima-Maricopa Indian Community uGila River Indian Community uFt. McDowell Indian Community Proposed Partnership

12. 12 Maricopa County MSA –Over 2 million inhabitants –City of Phoenix –City of Mesa –City of Scottsdale –Three federally recognized tribes Proposed Area of Study

13. 13 ITEP, March 2001 Created using AILESP Arizona

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15. 15 uState/local resources & expertise uEnhance tribal capacity uDetermine risk factors for entire population base uHistorical significance — impacts on tribal populations uBridge data gap to include tribal lands Partnership Incentives

16. 16 uEstablish steering committee uOutline opportunities & challenges for partnership uAssess & collect available data, information uDevelop blueprint for coordinating area-wide assessment Initial Proposal

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21. 21 Initial Proposal (cont,) uDevelop methodologies for a comprehensive study uDevelop strategies for filling-in data gaps uDevelop detailed cost proposal & potential funding sources uDevelop public outreach/communication strategy

22. 22 Technical Parameters for Study uEmissions inventory assessment uAmbient monitoring uAir dispersion modeling uExposure assessment to estimate human risk uControl strategies to address risks uReview past HAP study in Arizona

23. New Developments uNational call for Air Toxic Proposal uADEQ & ITEP submissions to complement Partnership uADEQ to verify & validate HAP study uMaricopa County to evaluate HAPs emissions inventory uITEP & ADEQ received funding to proceed with project

24. 24 For More Information uVirgil Masayesva –Virgil.Masayesva@nau.edu –http://www.cet.nau.edu/itep/ uDan Blair –air@gilanet.net