Colorado Res/Com Pesticide Questions & Answers(graded A)

Acaricide -ANSWER A pesticide used to control mites and ticks. A miticide is an acaricide. Active INgredient -ANSWER The chemical or chemicals in a pesticide responsible for killing, poisoning, or repelling the pest. Listed separately in the ingredient statement. Acute Toxicity -ANSWER The capacity of a pesticide to cause injury within 24 hours following exposure. LD50 and LC50 are common indicators of the degree of acute toxicity. Adjuvant -ANSWER A substance added to a pesticide to improve its effectiveness or safety. Same as additive. Examples: Penetrants, spreader-stickers, and wetting agents. Adsorption -ANSWER The process by which chemicals are held or bound to a surface by physical or chemical attraction. Clay and high organic soils tend to absorb pesticides. Aerosol -ANSWER A material stored in a container under pressure. Fine droplets are produced when the material dissolved in a liquid carrier is released into the air from the pressurized container. Arachnid -ANSWER A wingless anthropod with with two body regions and four pairs of jointed legs. Spiders, ticks, and mites are in the class Arachnid. Arthropod -ANSWER An invertebrate animal characterized by a jointed body and limbs and usually a hard body covering that is molted at intervals. Examples: Insects, mites, and crayfish. Biomagnification -ANSWER the process where one organism accumulates chemical residues in higher concentrations from organisms they consume. Carbamates -ANSWER (N-Methyl Carbamates) A group of pesticides containing nitrogen, formulated as insecticides, fungicides and herbicides. The N-Methyl Carbamates are insecticides and inhibit Cholinesterase in animals. Carcinogenic -ANSWER The ability of a substance or agent to induce malignant tumors (cancer). Chemical Name -ANSWER The scientific name of the active ingredient(s) found in the formulated product. CHEMTREC -ANSWER The Chemical Transportation Emergency Center has a toll-free number that provides a 24-hour information for chemical emergencies such as spills, leaks, fire, or accident. Chlorinated Hydrocarbon -ANSWER A pesticide containing chlorine, carbon, and hydrogen. Many are persistent in the environment. Examples: Chlordane, DDT, methoxychlor. Many are used in urban pest management operations today. Cholinesterase, Acetylcholinesterase -ANSWER An enzyme in animals that helps regulate nerve impulses. This enzyme is depressed by N-Methyl Carbamate and Organophosphate pesticides. Chronic Toxicity -ANSWER The ability of material to cause injury or illness (beyond 24 hours following exposure) from repeated, prolonged exposure to small amounts. Commercial Applicator -ANSWER Any person who engages in the business of applying pesticides or operating a device for hire, as defined by the Colorado Pesticide Applicators' Act. Cultural Control -ANSWER A pest control method that includes changing human habits. Example: Sanitation, changing work practices, changing cleaning and garbage pickup schedules, ect. Deposit -ANSWER The amount of pesticide on treated surface after application. Desiccant -ANSWER A type of pesticide that draws moisture of fluids from a pest causing it to die. Certain desiccant dust destroy the waxy outer coating that holds moisture within an insects body. Diluent -ANSWER Any liquid gas or solid material used to dilute or weaken a concentrated pesticide. Disinfectant -ANSWER A chemical or other agent that kills or inactivates disease producing microorganisms. Chemicals used to clean or surface-sterilize inanimate objects. Ecosystem -ANSWER The pest management unit. It includes a community (of populations) with the necessary physical (harborage, moisture, temperature) and biotic