TY - RPRT TI - Pesticide Toxicity Index: a tool for assessing potential toxicity of pesticide mixtures to freshwater aquatic organisms AU - Lisa H. Nowell AU - Julia E. Norman AU - Patrick W. Moran AU - Jeffrey D. Martin AU - Wesley W. Stone PY - 2014 DO - 10.1016/j.scitotenv.2013.12.088 UR - https://pubs.usgs.gov/publication/70128273 ID - 70128273 ER -