AI: 2.0% Oxyfluorfen, 0.75% Prodiamine. Biathlon is a pre-emergent granular herbicide for control of weeds in field and container production ornamentals, conifers and Christmas trees, grounds maintenance, and other label specified non-crop areas. Biathlon contains the active ingredients oxyfluorfen and prodiamine formulated on the Verge granule. The engineered granule provides an unprecedented level of dust reduction resulting in improved worker safety and ease of application. Biathlon applicators are required to wear minimal Personal Protective Equipment (PPE) -- long sleeved shirt, pants and shoes plus socks. Biathlon has a CAUTION label.