VA Core Manual: Applying Pesticides Correctly: Unit 5. Pesticides in Our Environment - Terms to Know 100% Correct

VA Core Manual: Applying Pesticides Correctly: Unit 5. Pesticides in Our Environment - Terms to Know 100% Correct Accumulation Buildup (ex. increasing amounts of pesticide in animals or soils over time) Adsorption The process of adhesion; coating a particle or binding something to a surface Aquifer A naturally occurring underground stratum that collects and holds large volumes of groundwater Back-Siphoning The movement of liquid pesticide mixture back through the filling hose and into the water source Biological Diversity The variety and differences among living things, usually within an ecosystem Buffer Zone A strip of land that separates pesticide-treated areas from untreated areas. Buffer zones act as barriers to keep pesticides out of nontarget areas such as streams or playgrounds Collection Pad or Tray A safety system designed to contain and recover spills, leaks, rinsates, and other pesticide-containing substances Drift The movement of pesticides away from the release site in air Endangered Species Plants or animals whose survival has been designated by a federal or state agency as endangered or threatened. These species have small populations that are vulnerable to extinction, most often due to habitat destruction, disease, or overharvesting Environment The world around us: all physical, chemical, and biological surroundings such as climate, soil, water, air, and living organisms. It also includes manmade elements Environmental Hazard Statements Statements on pesticide labeling that list possible environmental hazards that may result from using a pesticide. These statements may also include specific actions to take to avoid or reduce hazards Erosion The movement of sediment, soil, and rock from the ground surface Groundwater Water beneath the earth's surface. It collects in pore spaces among soil layers, gravel, and rock. Leaching The movement of pesticide in water or another liquid downward through soil or other planting medium Non-point Source Pollution Contamination from pesticides that comes from a wide, nonspecific area or broadcast applications. Weather events often contribute to this type of pollution Nontarget Any site or organism other than the site or pest toward which the control measures are being directed Offsite Outside the area of the pesticide application, handling, mixing, and loading Organic Matter Materials and debris in the soil that