Ammonium Thiosulfate: Health Effects Division Human Health Risk Assessment for the RED.
Ammonium thiosulfate, a non-food use pesticide, is registered for use on lawns as an herbicide. This use is specifically to kill oxalis and spurge plants in dichondra lawns. The product causes burn by overfeeding nitrogen to plants.
|Office of Prevention, Pesticides, and Toxic Substances|
|Office of Reregistration 3|
|Health Effects Division|
|Drew, Danette; Tadayon, Seyed; Liccione, John|