1. Can the Hazardous Air Pollutants in the Trona Cloud be Economically Reduced, or Eliminated? “Left Click” to Next Slide

2. Yes!!! “Left Click” to Next Slide

3. While Soda Ash Production Will Continue to be a Major Contributor of the Greenhouse Gas CO 2 … “Left Click” to Next Slide

4. While Soda Ash Production Will Continue to be a Major Contributor of the Greenhouse Gas CO 2 … …the Cancer Producing Hazardous Air Pollutants Can be Economically Eliminated. “Left Click” to Next Slide

5. There are Many Paths to Soda Ash Production. “Left Click” to Next Slide

6. There are Many Paths to Soda Ash Production. Many Processes in Use Today Would Eliminate the Trona Cloud Hazardous Air Pollutants if They Were Utilized in Southwest Wyoming… “Left Click” to Next Slide

7. Natural Soda Ash Production Steps

8. Calciner Hazardous Air Pollutants

9. No Calciner Hazardous Air Pollutants

10. This is How it is Done... “Left Click” to Next Slide

11. Trona + Oil Shale Soda Ash HEAT The older technology, used in Wyoming today, simply heats trona and oil shale to convert the trona into soda ash (Na 2 Co 3 )

12. Trona + Oil Shale Soda Ash HEAT This “dirty” process also cooks millions of tons of oil shale each year, boiling the oil shale products into the atmosphere.... HAPs + CO 2 + H 2 O Poisonous Benzene Cloud

13. Trona + Oil Shale Soda Ash HEAT..oil shale particulate products are also released.... HAPs + CO 2 + H 2 O Poisonous Benzene Cloud

14. HEAT Trona + Oil Shale Soda Ash + Liquid / Solid Waste Limestone (CaCO 3 ) CaO CaCO 3 Newer technologies, use less energy to heat limestone (CaC0 3 ), which is used over-and-over again, to chemically convert trona into soda ash…

15. HEAT Trona + Oil Shale Soda Ash + Liquid / Solid Waste Limestone (CaCO 3 ) CaO CaCO 3 Newer technologies do not heat oil shale, use less energy, and release less CO 2 ……a greenhouse gas… CO 2 Non-Poisonous Greenhouse Gas

16. HEAT Trona + Oil Shale HAPs + CO 2 + H 2 O Soda Ash Trona + Oil Shale Soda Ash + Liquid / Solid Waste HEAT Limestone (CaCO 3 ) CaO CaCO 3 CO 2 Non-Poisonous Greenhouse Gas Poisonous Benzene Cloud Wyoming’s Process Green Process

18. …to be continued…?

19. Can the Hazardous Air Pollutants in the Trona Cloud be Economically Reduced, or Eliminated?