DOA CORE Study Guide Questions With Verified Answers

©BRIGHTSTARS EXAM SOLUTIONS 2024/2025 ALL RIGHTS RESERVED. 1 DOA CORE Study Guide Questions With Verified Answers Pest Category Signal Word LD50 mg/kil - AnswersCat 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? - AnswersSpeed What do you check the label for? - AnswersDetermine where pesticide can or cannot be applied pesticide formulation: WP, D, G, EC, Fumigants - AnswersWP: Wettable Power D: Dust G: Granual EG: Emulsifiable Concentrate Fumigants: Deadly Gas Which is most absorptive through the skin? - AnswersEG 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 - Answersa. Provide written instruction b. Be in control of the uncertified applicator ©BRIGHTSTARS EXAM SOLUTIONS 2024/2025 ALL RIGHTS RESERVED. 2 c. Be available when needed Which formulation is most dangerous when mixing and loading? - AnswersEmulsifiable Concentrate (EC) because undiluted, concentrate can most readily be absorbed through skin What tool is used to clean your nozzle? - Answerssoft bristle brush What is Organophosphat poisoning symptom? - AnswersEyes with pinpoint pupils How do you prevent back siphoning? - AnswersKeep water hose above pesticide tank while filing it with water What type of shelf should not be used for pesticide storage? Why? - Answerswood shelf too absorptive & porous. Where should pesticides be stored? - Answerscool, dry, and locked storage room Un-rinsed pesticide containers fall under what guidelines? - AnswersRCRA (Resource Conservation & Recovery Act) They regulate hazardous waste and what is considered hazardous waste Who enforces the RCRA (Resource Conservation & Recovery Act)? - AnswersHawai'i Dept of Health What should be done with excess pesticides remaining after job completion? - AnswersCheck 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? - AnswersDOOR Dermal (skin) Ocular (eyes) Oral (mouth/eating) Respiratory (breath) What are the best type of gloves to use when handling pesticides? - AnswersNitril, Butyl or neoprene gloves because they are chemical resistant ©BRIGHTSTARS EXAM SOLUTIONS 2024/2025 ALL RIGHTS RESERVED. 3 other gloves will crack, bubble, come apart and change color How long do you need to keep records for pesticides used? - Answers2 years How long will Special Local Need (SLN) registration last before expiration? - Answers5 years *SLN is created by the state with a paper to address a particular pest not listed on label Where should the Special Local Need (SLN) be kept? - AnswersOn the applicator at all times during application of pesticide Where can SLN be obtained from? - AnswersPesticide manufacturer, local dealer or third party registrants (associations or government agencies) In Agriculture, what does pesticide records help with? - Answerssecuring funding or getting a loan. *some lending institutions & buyers request field records to evaluate potential environmental liability when making land sales or loans What breaks down pesticides in the soil? - AnswersMicro-organisms What 4 things break down pesticides? - Answers1. Heat 2. Water 3. UV 4. Micro-organisms When would you use "air purifying" respirators? - AnswersWhen there is adequate oxygen and there is a low concentration of pesticides What are the steps when a spill occurs? - Answers1. Put on proper PPE 2. Contain spill 3. Contact Manager What are "disadvantages" for using Wettable Powders (WP)? - AnswersInhalation hazard, constant agitation, difficult to mix, clogs nozzle & filter screen, May leave visible residues on dark surfaces and plants Soluble Powders (SP or WSP) have all the advantages of a Wettable Powder (WP) and none of the disadvantages except? - AnswersInhalation hazard during pouring and mixing