LOWA CORE MANUAL EXAM QUESTIONS AND ANSWERS (2025/2026 UPDATED)

LOWA CORE MANUAL EXAM QUESTIONS AND ANSWERS (2025/2026 UPDATED) .1 mile - ANSWER-According to the Iowa Bee Rule, how far away must commercial applicators be from registered apiaries when applying pesticides labeled as toxic to bees between 9 a.m. and 6 p.m.? .10 psi - ANSWER-A sprayer is calibrated to apply 30 gallons per acre (GPA) at 40 pounds per square inch (psi). Approximately what pressure is needed to decrease the output to 15 gallons per acre without changing speed or nozzle size. Hint: (psi1/psi2) = (GPA1/GPA2)^2 .18 hours - ANSWER-If a tank mix of Products A and B was applied and Product A has a restricted entry interval of 12 hours and Product B has a restricted entry interval of 18 hours, how long must a worker wait until going back into the treated area if not wearing the appropriate PPE? .20 - ANSWER-A sprayer has a 320-gallon capacity tank. If it is calibrated to apply 16 gallons of solution per acre, how many acres will be sprayed with each fill? .3 - ANSWER-Commercial pesticide applicators must be recertified every _____ years in Iowa. .3 years - ANSWER-How long must pesticide records be kept after the date of application? .42 ounces - ANSWER-A label calls for a granular pesticide to be applied at 8 ounces per 1,000 feet of row. You have to treat 4 rows, each 1/4 mile in length. How much product do you need for this job? 1 mile = 5280 linear feet A. 21 ounces B. 32 ounces C. 42 ounces D. 62.5 ounces .43560 - ANSWER-How many square feet are in an acre? A. 5280 B. 12350 C. 43560 D. 200,000 .4EC - ANSWER-What is the formulation abbreviation for 4 pounds of active ingredient per gallon in an emulsifiable concentrate formulation? A. 0.04 Ibs B. 0.4E C. 4AI D. 4EC .50 pints - ANSWER-A pesticide label calls for a broadcast application using 2 pints of product per acre. Your sprayer holds 375 gallons and is calibrated to apply 15 gallons of spray mixture per acre. How much product is needed for each fill? .540 pounds - ANSWER-You are treating a turf area for bluegrass billbug. You are using a granular insecticide with a labeled rate of 6 pounds per 1000 square feet. The turf area is 150 feet by 600 feet. Approximately how much insecticide do you need to treat the total area? A. 300 pounds B. 360 pounds C. 540 pounds D. 1080 pounds .6 hours - ANSWER-All pesticide spills that result in hazardous conditions in Iowa must be reported by phone to the Iowa DNR as soon as possible, but no later than ___ hours after occurrence or discovery. .7.25 pints - ANSWER-You are spraying a corn field for stalk borers that are entering the field edge. You are using an insecticide with a labeled rate of 3 pints per acre. You are only treating the outside 8 rows (30-inch rows) and have a strip to treat that is a total of 1 mile in length. How much insecticide do you need for this jobs? 1 mile = 5280 ft, 1 acre = 43,560 square ft. A. 3.75 pints B. 5 pints C. 7.25 pints D. 12.5 pints .75 pints - ANSWER-A pesticide label calls for a broadcast application of 2.5 pints of product per acre. Your sprayer holds 450 gallons and calibrated to apply 15 gallons of spray mixture per acre. How much product is needed for each fill? A. 30 pints B. 37.5 pints C. 60 pints D. 75 pints .75 pints - ANSWER-A pesticide label calls for a broadcast application of 2.5 pints of product per acre. Your sprayer holds 450 gallons and is calibrated to apply 15 gallons of spray mixture per acre. How much product is need for each fill? .8 hours - ANSWER-Follow respirator manufacturer's instructions on when to replace filters. If there are none, replace after ___ of use. A. 4 hours B. 8 hours C. 12 hours D. 24 hours .A certified pesticide applicator - ANSWER-Who may use a Restricted Use Pesticide? A. A person approved by employer B. A certified pesticide applicator C. An experienced pesticide applicator D. Anyone with a legitimate need to use the product