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DOA CORE Study Guide Questions and
Answers
Pest Category Signal Word LD50 mg/kil - Answers✓✓Cat 1 Danger 0-50
Cat 2 Warning 50-500
Cat 3 Caution 501-5000
Cat 4 No Signal Word 5000+
*LD= Lethal Dose that kills 505 of the test animals
*Lower the LD50 is the more toxic it is
All pesticide labels must have this statement? - Answers✓✓"Keep out of reach of children"
What has no effect on nozzle performance? - Answers✓✓Speed
What do you check the label for? - Answers✓✓Determine where pesticide can or cannot be
applied
pesticide formulation: WP, D, G, EC, Fumigants - Answers✓✓WP: Wettable Power
D: Dust
G: Granual
EG: Emulsifiable Concentrate
Fumigants: Deadly Gas
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25/11/2024 13:32PM
Which is most absorptive through the skin? - Answers✓✓EG is most adsorbed through skin
Supervision of uncertified applicator by a certified applicator does not need to be physically
present at jobsite unless LABEL says so - Answers✓✓a. Provide written instruction
b. Be in control of the uncertified applicator
c. Be available when needed
Which formulation is most dangerous when mixing and loading? - Answers✓✓Emulsifiable
Concentrate (EC) because undiluted, concentrate can most readily be absorbed through skin
What tool is used to clean your nozzle? - Answers✓✓soft bristle brush
What is Organophosphat poisoning symptom? - Answers✓✓Eyes with pinpoint pupils
How do you prevent back siphoning? - Answers✓✓Keep water hose above pesticide tank while
filing it with water
What type of shelf should not be used for pesticide storage? Why? - Answers✓✓wood shelf
too absorptive & porous.
Where should pesticides be stored? - Answers✓✓cool, dry, and locked storage room
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25/11/2024 13:32PM
Un-rinsed pesticide containers fall under what guidelines? - Answers✓✓RCRA (Resource
Conservation & Recovery Act)
They regulate hazardous waste and what is considered hazardous waste
Who enforces the RCRA (Resource Conservation & Recovery Act)? - Answers✓✓Hawai'i
Dept of Health
What should be done with excess pesticides remaining after job completion? -
Answers✓✓Check label for approved ways to rid excess pesticides at jobsites (ex. treat ant
mounds, apply excess in crawlspace, etc).
What are the most common ways for pesticides exposure? - Answers✓✓DOOR
Dermal (skin)
Ocular (eyes)
Oral (mouth/eating)
Respiratory (breath)
What are the best type of gloves to use when handling pesticides? - Answers✓✓Nitril, Butyl or
neoprene gloves because they are chemical resistant
other gloves will crack, bubble, come apart and change color
How long do you need to keep records for pesticides used? - Answers✓✓2 years