FGD Gypsum Power Point Presentations (PDF Format)*

FGD Workshop, Atlanta, GA, October 23-24, 2007

FGD Gypsum Basics

• What is FGD Gypsum?
• A Comparison of Properties for FGD and Natural Gypsum Products
• What is Gypsum and What is Its Value in Agriculture?

FGD Gypsum Applications

• FGD Gypsum Use in Cement
• FGD Gypsum Use in Wallboard and Other Products
• USDA Perspective on Agricultural Utilization of FGD Gypsum
• Use of FGD Gypsum in No-till Cotton Management Systems
• Use of FGD Gypsum Soil Amendments for Improved Forage and Corn Production
• Turfgrass Response to Surface-Applied FGD Gypsum
• National Network for Use of FGD Gypsum in Agriculture
• National Network for Use of FGD Gypsum in Agriculture - North Dakota
• Evaluation of FGD Gypsum on Sodic Soils of Northwestern New Mexico
• Use of FGD Gypsum in Florida: A State Perspective
• Gaps in the Knowledge for Making Recommendations for Land Application of FGD Gypsum
• FGD Gypsum Influences on Soil Sealing, Crusting, Infiltration and Runoff

Chemistry

• EPA Study of Mercury Leaching from FGD Gypsum
• Fate of Mercury in Synthetic Gypsum Used for Wallboard Production
• Factors Affecting Mercury Chemistry and Capture in FGD Systems
• Soil Chemical Responses to FGD Gypsum Amendments and Their Impact on Crop Yields
• Mitigation of Phosphorus and Ammonia Losses From Poultry Manure Using FGD Gypsum
• The Role of Sulfite to Sulfate Conversion in FGD Gypsum Based Soil Amendments

Regulatory Issues

• Role of the US EPA in Promoting Safe Beneficial Uses of Industrial Materials
• Regulatory Guidelines for Marketing FGD Gypsum

Supply and Demand

• Dependable Supplies Encourage Agricultural Adoption of FGD Gypsum
• Marketing of FGD Gypsum in the Southeast U.S.
• Marketing of FGD Gypsum in the Midwest U.S.