Washington Pesticide Laws And Safety

WA Pesticide Test Exam Questions With 100% Correct Answers An inversion is when warm and cool air mix, causing turbulent air. T/F - answerFalse Which of these herbicides is more toxic? paraquat with an LD50 of 50 mg/kg 2,4-D with an LD50 of 700 mg/kg - answerparaquat with an LD50 of 50 mg/kg Which of the following must be recorded for a landscape herbicide application to be in compliance with WSDA for pesticide application recordkeeping? Starting and ending time of application Target pest(s) Name of surrounding pesticide sensitive individuals - answerStarting and ending time of application Products with the signal word Caution are highly toxic if ingested and will potentially kill you at low dosages. T/F - answerFalse Which type of degradation is one of the most important means by which pesticides are broken down in the soil? chemical degradation microbial degradation photodegradation - answermicrobial degradation The ability of a chemical to cause harm years later from a low dose and extended exposure is termed: - answerchronic toxicity Who is exempt from WPS? - answerCattle ranchers The term used to describe pesticides chemically binding or adhering to soil particles is: - answeradsorption Pesticides may be transferred from the application site to other locations by: - answerSpray drift, vapor drift, run-off, leaching When the pest population reaches the economic injury level, it is time to take management action. T/F - answerFalse The first step in pest management is: - answeridentify the pest What is the best way to handle leftover spray mix after an application? - answerapply it to a labeled site The best way to prevent pesticides from becoming hazardous waste is: - answerrinse containers as soon as they are empty and empty rinsate into spray tank for application to a site on the label Which of the following is classified as a pesticide in Washington? - answerSpray adjuvant The three steps to a spill response are: - answercontrol-contain-cleanup An inversion is when warm and cool air mix, causing turbulent air and increasing long distance drift potential. T/F - answerfalse Which type of soil increases pesticide adsorption potential? - answerfine soil with a lot of organic matter A pesticide may be designated a RUP (restricted use pesticide) by EPA, but not by WSDA. T/F - answerFalse What are the minimum storage requirements for a pesticide with a WARNING label? - answerSecured and out of reach of children Where is the pre-harvest interval listed on the pesticide label? - answerDirections of use Organophosphates that cause systemic poisonings in humans are: - answerinsecticides Where would you look on a pesticide label to find information about protecting pollinators? - answerEnvironmental hazards Laboratory studies measuring______toxicity are used to determine the signal word on a pesticide label. - answeracute Which of the following increases drift potential? 3 MPH wind and low spray pressure 10 MPH wind and 12 foot boom height