©FYNDLAY EXAM SOLUTIONS 2024/2025
ALL RIGHTS RESERVED.
DOA CORE Study Guide Exam Questions
And Answers (Guaranteed A+)
Pest Category Signal Word LD50 mg/kil - answer✔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? - answer✔"Keep out of reach of children"
What has no effect on nozzle performance? - answer✔Speed
What do you check the label for? - answer✔Determine where pesticide can or cannot be
applied
pesticide formulation: WP, D, G, EC, Fumigants - answer✔WP: Wettable Power
D: Dust
G: Granual
EG: Emulsifiable Concentrate
Fumigants: Deadly Gas
Which is most absorptive through the skin? - answer✔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 - answer✔a. Provide written instruction
b. Be in control of the uncertified applicator
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c. Be available when needed
Which formulation is most dangerous when mixing and loading? - answer✔Emulsifiable
Concentrate (EC) because undiluted, concentrate can most readily be absorbed through skin
What tool is used to clean your nozzle? - answer✔soft bristle brush
What is Organophosphat poisoning symptom? - answer✔Eyes with pinpoint pupils
How do you prevent back siphoning? - answer✔Keep water hose above pesticide tank while
filing it with water
What type of shelf should not be used for pesticide storage? Why? - answer✔wood shelf
too absorptive & porous.
Where should pesticides be stored? - answer✔cool, dry, and locked storage room
Un-rinsed pesticide containers fall under what guidelines? - answer✔RCRA (Resource
Conservation & Recovery Act)
They regulate hazardous waste and what is considered hazardous waste
Who enforces the RCRA (Resource Conservation & Recovery Act)? - answer✔Hawai'i Dept of
Health
What should be done with excess pesticides remaining after job completion? - answer✔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? - answer✔DOOR
Dermal (skin)
Ocular (eyes)
Oral (mouth/eating)
Respiratory (breath)
What are the best type of gloves to use when handling pesticides? - answer✔Nitril, Butyl or
neoprene gloves because they are chemical resistant
2|Page
ALL RIGHTS RESERVED.
DOA CORE Study Guide Exam Questions
And Answers (Guaranteed A+)
Pest Category Signal Word LD50 mg/kil - answer✔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? - answer✔"Keep out of reach of children"
What has no effect on nozzle performance? - answer✔Speed
What do you check the label for? - answer✔Determine where pesticide can or cannot be
applied
pesticide formulation: WP, D, G, EC, Fumigants - answer✔WP: Wettable Power
D: Dust
G: Granual
EG: Emulsifiable Concentrate
Fumigants: Deadly Gas
Which is most absorptive through the skin? - answer✔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 - answer✔a. Provide written instruction
b. Be in control of the uncertified applicator
1|Page
, ©FYNDLAY EXAM SOLUTIONS 2024/2025
ALL RIGHTS RESERVED.
c. Be available when needed
Which formulation is most dangerous when mixing and loading? - answer✔Emulsifiable
Concentrate (EC) because undiluted, concentrate can most readily be absorbed through skin
What tool is used to clean your nozzle? - answer✔soft bristle brush
What is Organophosphat poisoning symptom? - answer✔Eyes with pinpoint pupils
How do you prevent back siphoning? - answer✔Keep water hose above pesticide tank while
filing it with water
What type of shelf should not be used for pesticide storage? Why? - answer✔wood shelf
too absorptive & porous.
Where should pesticides be stored? - answer✔cool, dry, and locked storage room
Un-rinsed pesticide containers fall under what guidelines? - answer✔RCRA (Resource
Conservation & Recovery Act)
They regulate hazardous waste and what is considered hazardous waste
Who enforces the RCRA (Resource Conservation & Recovery Act)? - answer✔Hawai'i Dept of
Health
What should be done with excess pesticides remaining after job completion? - answer✔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? - answer✔DOOR
Dermal (skin)
Ocular (eyes)
Oral (mouth/eating)
Respiratory (breath)
What are the best type of gloves to use when handling pesticides? - answer✔Nitril, Butyl or
neoprene gloves because they are chemical resistant
2|Page
