Illinois Pesticide applicator exam accurate Questions & Answers

What is a pesticide - ANSWER a substance used for destroying insects or other organisms harmful to cultivated plants or to animals. Pesticides are made up of - ANSWER Active and inert ingredients AI - ANSWER Active ingredient - chemical effective against pest Inert ingredients - ANSWER don't harm pest but make the AI more effective Herbicide formulation - ANSWER may be ready to use or may require dilution with carrier (oil or liquid) 60WDG - ANSWER 60% AI water-dispersible granule 4EC - ANSWER 4 lbs ai per gallon of emulsifiable concentrate SP - ANSWER Soluable powder - dry formulation. Mixed with water. Dissolve readily and form true solution. WP, P - ANSWER Wettable Powder - dry formulation. Finely ground powder. Forms suspension not true solution. Abrasive, requires agitation, inhalation risk DF, WDG - ANSWER Dry flowables or water dispersible granules - dry formulation. Similar to WP except AI is in granule instead of powder form suspension. Less dust than WP G - ANSWER Granules - dry formulation. AI coated with clay, newspaper Applied directly, no mixing Low hazzard to applicators P, PS - ANSWER Pellets - dry formulation. Same as granules but larger D - ANSWER Dusts - dry formulations. Low percentage of AI on very fine carrier (talk, chalk, clay) Most ready to use (no mixing) Inhilation hazard Drift hazzard (uncommon use) EC - ANSWER Emulsifiable concentrate - wet formulation. AI mixed with 1+ solvents and emulsifier that allows mixing with water Easily absorbed through skin (dermal hazzard) ME - ANSWER Microencapsulated - wet formulation AI i