Status of US-EPA Risk Evaluation and Possible Regulations on FGD-Gypsum Uses in Agriculture.
H. Allen Torbert, National Soil Dynamics Laboratory, USDA-ARS, Auburn, AL, US, Rufus L Chaney, 2107 Throckmorton Plant Sciences Center, USDA-ARS, Beltsville, MD and Dexter B. Watts, 411 S Donahue Dr, USDA-ARS, Auburn, AL, US