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Oregon Pesticide Laws and Safety: Key Concepts and Definitions, Exams of Pest Management

Chamberlain College of NursingPest Management

A concise overview of oregon pesticide laws and safety practices. It covers essential topics such as residual insecticides, selective and non-selective herbicides, msds information, soil koc, and various pesticide formulations like emulsifiable concentrates, solutions, dusts, and granules. Additionally, it addresses crucial aspects of pesticide application, including calibration, factors affecting delivery rate, emergency exemptions (section 18), and low-risk ingredients (section 25(b)). The document also highlights routes of pesticide exposure, first aid procedures, and the importance of adjuvants. It further explains pesticide certification, licensing, and the roles of different pesticide applicators, such as private, public, and commercial applicators. The document concludes with information on integrated pest management (ipm) and worker protection standards (wps).

Typology: Exams

2025/2026

Available from 11/02/2025

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OREGON PESTICIDE LAWS AND SAFETY WITH
CORRECT SOLUTIONS ALREADY PASSED.
1. Residual insecticide - correct answer - insecticides that stay
active for a long time. Useful when an insect is a constant
problem
2. Non selective herbicides - correct answer - chemicals toxic to
all plants
3. Selective herbicide - correct answer - chemicals that kill
specific plants
4. Why timing of herbicide application? - correct answer - to effect
target without harming other plants
5. Msds physical and chemical properties - correct answer -
describes the products physicals appearance, how product
behaves under certain conditions. Important for mixing,
storage, drift, leaching and runoff.
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Download Oregon Pesticide Laws and Safety: Key Concepts and Definitions and more Exams Pest Management in PDF only on Docsity!

OREGON PESTICIDE LAWS AND SAFETY WITH

CORRECT SOLUTIONS ALREADY PASSED.

  1. Residual insecticide - correct answer - insecticides that stay active for a long time. Useful when an insect is a constant problem
  2. Non selective herbicides - correct answer - chemicals toxic to all plants
  3. Selective herbicide - correct answer - chemicals that kill specific plants
  4. Why timing of herbicide application? - correct answer - to effect target without harming other plants
  5. Msds physical and chemical properties - correct answer - describes the products physicals appearance, how product behaves under certain conditions. Important for mixing, storage, drift, leaching and runoff.
  1. Soil koc - correct answer - soil organic carbon-water partitioning coefficient. Useful in predicting the mobility of pesticides. High koc less mobility lower koc more mobility. Calculates soil concentration that protects groundwater
  2. Msds - correct answer - provides technical information about products hazards to workers and end users. Detailed information about products composition, properties and hazards, toxicological and ecological information and first aid procedures
  3. Emulsifiable concentrates ec/e - correct answer - 25 - 75% active ingredient not soluble in water. Soluble in oil. Emulsifier needed to mix in water. Adjutants needed (wetting agents, spreader/stickers) advantages: penetrate waxy surfaces better, low pressure needed. Drawbacks: highly concentrated, phytotoxic, absorbed easily through the skin and hazardous to handler.
  4. Solutions s - correct answer - active ingredient dissolve readily in petroleum or water based solutions. When mixed with a solvent they form a solution that does not settle out or separate. Advantage: ready-to-use (rtu) no mixing, low concentrate designed to be sprayed as purchased.
  1. Calibrating finding gallons per acre - correct answer - sq ft per acre, speed of sprayer, width of spray boom, delivery rate of sprayer
  2. Factors that affect delivery rate (output) - correct answer - speed, nozzle size/amount, pressure,
  3. Section 18 - correct answer - emergency exemption. Pest crisis with no registered pesticide to control it, could cause economic loss. There is a pesticide that could control but it hasnt been registered with epa. Oda must prove to epa the emergency
  4. Section 25(b) - correct answer - some pesticides do not need federal or oregon registration and are exempt. Low risk ingredients
  5. Microencapsolated pesticide - correct answer - tiny particles or droplets are surrounded by a coating to give small capsules. Capsule wall breaks down and slowly releases the active ingredient. Microencapsulated materials have several advantages: highly toxic materials are safer for applicators to

mix and apply. Dis adv,- bees can mistake them for pollen bringing them back to the hive killing the colony

  1. Most common routes of pesticide exposure? - correct answer - dermal and inhalation
  2. What to do when you have been exposed to pesticides? - correct answer - call oregon poison control/ doctor
  3. When not to induce vomiting when pesticide has been swallowed? - correct answer - the label says not too, unconscious or convulsing, swallowed corrosive or petroleum poison
  4. Adjuvants - correct answer - a chemical added to the pesticide formulation to improve it action or safety
  5. Dry flowable - correct answer - small granules that disperse in solution. Help reduce dust and allow to flow like a liquid. Settle out quickly, abrasive to equipment
  1. Restricted use pesticides (rups) - correct answer - are a category of products that pose a higher risk to people, animals, or the environment. They can only be purchased by a person with a pesticide license; use requires supervision by a licensed applicator.
  2. Pesticide certification - correct answer - the process of demonstrating a person knows how to handle and apply pesticides in a safe and responsible manner. Valid for up to five (5) years
  3. Pesticide licensing - correct answer - the process to obtain the actual license that shows that
  4. A person has met certification requirements to make specific pesticide applications under that license.
  5. Private pesticide applicator license - correct answer - needed to purchase, apply, or supervise the use of restricted- use pesticides (rups) on land in agricultural production that a person, or their employer owns, leases, or rents. This includes farmland, rangeland, forests, greenhouses, nurseries, orchards, etc.
  1. Immediately supervised pesticide trainee license - correct answer - for individuals who work under the supervision of a commercial or public pesticide applicator.
    • must be on-site at all times with the trainee when making pesticide applications, and
    • be able to reach the trainee's location within five minutes.
    • no required exam
  2. Trainees may only make applications within their supervisor's categories.
    • the supervising applicator is responsible for training the immediately supervised trainee
  3. Pesticide apprentice license - correct answer - individuals who work under the supervision of a commercial or public pesticide applicator.
    • the supervising applicator does not need to be onsite when the apprentice is making pesticide applications, but the apprentice must be able to reach the supervising applicator at all times.
    • the pesticide apprentice is not a certified applicator. In order to renew this license, beyond the first year, the apprentice will need to attend eight (8) hours of approved continuing education classes. The eight hours must consist of at least four (4) hours of core credits. If the apprentice does not accrue the required credit hours, they will need to retake the laws & safety exam to re-license.

property of others while employed by a commercial pesticide operator

  1. Ipm - correct answer - ipm is a common-sense strategy that integrates multiple tactics to reduce pest populations to an acceptable level. Strategies include sanitation, pest exclusion, cultural, biological, mechanical, chemical control. Ipm weighs the risks and benefits of pest reduction methods to determine the most environmentally and economically sound manner to manage pests
  2. Worker protection standard wps - correct answer - protection of employees on farms, and in forests, nurseries, and greenhouses from occupational exposure to agricultural pesticides
  3. Wps agricultural workers - correct answer - performing tasks related to the cultivation and harvesting of plants, including pruning, sucker removal, watering, and potting
  4. Wps pesticide handlers - correct answer - assigned to mix, load, or apply agricultural pesticides; enter greenhouses to operate ventilation equipment after applications; handle

equipment with residues; adjust or remove soil fumigant coverings, etc.

  1. Pesticide drift - correct answer - the unintentional diffusion of pesticides and the potential negative effects of pesticide application—including: off-target contamination due to spray drift as well as runoff from plants/soil.
  2. Particle drift - correct answer - small liquid/dust droplets or particles are easiest to move away from targeted area. Use largest droplet size that gives best pest control as label allows.
  3. Vapor drift - correct answer - vapor containing the pesticide active ingredient moves off the application site. Usually through evaporation
  4. How to avoid drift? - correct answer - check weather conditions, equipment; larger droplet size (pressure- higher the smaller droplet size),
  5. Chemical formulation (less volatile- amine instead of esters)
  1. Restricted entry interval rei - correct answer - all wps qualified pesticides have labels which indicate when it is safe to enter the area after its application. Workers may not enter the area without special preperation
  2. Hazard communication standard hcs - correct answer - requires employers to train their employees to recognize chemical hazards - using the information provided on product labels and in safety data sheets - and to take the necessary precautions to protect themselves.
  3. Section 3 - correct answer - ors 634oregon revised statutes- state pesticide control: must be registered with oda after epa registers them
  4. Section 24(c) - correct answer - special local needs. If a pest causes serious damage to a crop and there is no pesticide already registered to control it. Fifra allows states to give out. Must have the supplemental label when applying
  5. Personal protective equipment (ppe) - correct answer - special clothing or equipment that protcts from pesticide

exposure. Coveralls, protective suits, gloves aprons, respirators eye ware etc must.

  1. Exposure - correct answer - how much chemical contacted the body surface
  2. Dose - correct answer - the amount of chemical absorbed into the body (through skin, eye, gut, lung)
  3. Toxicity - correct answer - how a substance adversely affects a living system dose-time relationship
  4. Acute exposure - correct answer - one time or limited exposure to a pesticide
  5. Chronic exposure - correct answer - contact to a pesticide over a period of time
  1. Catagory moderately toxic - correct answer - signal word warning! Small oral dose can kill a person (over teaspoon- 1 ounce)
  2. Catagory slightly toxic - correct answer - signal word caution! (over 1 ounce-1 pint/lb) oral dose that can kill a person
  3. Relatively nontoxic - correct answer - signal word caution! (over 1 pint/lb) oral dose that can kill a person
  4. Chronic effects - correct answer - usually irreversible last for the rest or your life. Reproductive damage, teratogenic, carcinogenic, mutagenic, endocrine disruption
  5. Acute effects - correct answer - reversible sometimes delayed. Skin rash, nausea, eye irritation, dizziness and harm to the liver
  1. Non-point source - correct answer - pesticides that move down with rain or irrigation water and reach the water table
  2. Point source polution - correct answer - pesticides that enter a well from a spill or back siphoning and get into groundwater directly.
  3. Transfer processes - correct answer - factors that affect pesticide movement from soil to groundwater. Adsorption, runoff, leaching and volatilization.
  4. How to protect groundwater - correct answer - read/follow label, use ipm, know soil type, understand chemical type, know location-avoid near water source, avoid spill
  5. Pesticide formulations - correct answer - granule, dust, wettable powder- flowable, water solution, oil solution
  6. How to protect bee's from pesticide - correct answer - right pesticide/right application, don't spray or allow pesticide to drift
  1. When should you read the label? - correct answer - before buying, mixing, applying or storing pesticides
  2. Label is the - correct answer - law, reviewed by the epa
  3. Whats in a label? - correct answer - chemical names, directions, signal words, ppe, epa registration and establishment number
  4. Signal word? - correct answer - shows the pesticides acute toxicity
  5. Ingredient statement - correct answer - contents of the pesticide product, details active ingredients and amount of each ingredient in a percent form
  1. Registration number - correct answer - epa registration number must appear on the label. It indicates that the product has been registered and approved by the epa
  2. Establishment number - correct answer - identifies the facility where the pesticide was produced
  3. Storage and disposal - correct answer - store herbicides away from other pesticides and seeds, store above 32f, do not reuse container, triple-rinse and dispose in approved landfill.
  4. Phytotoxicicty - correct answer - toxic effect by a compound on plant growth
  5. Systemic insecticide - correct answer - insecticide taken up by plant or animal that needs protection. Pesticide moves throughout host and when feed on by the pest it swallows the pesticide and is affected