Pesticide Final

Atrazine can not be mixed within _________feet of sinkholes, wells, cisterns, or any surface water.

100 feet

If the test strip that I am calibrating my spray system over is 1000ft long and 12ft wide, what is the total area?

12,000ft2

Pesticide storage sites should be located _______ feet from private wells.

150

A sprayer has a 240 gallon capcity tank. It it is calibrated to apply 15 GPA, how many acres will be sprayed with one tankfull of solution?

16

Length of grace period an employee is given from the day of initial employment to meet certificaiton requirements

21 days

Notification signs must be posted in urban areas where pesticides are applied for a minimum of _

24 hours or the period specified on the pesticide label

Empty the container in the spray tank and let it drain for ____________ during triple-rinsing.

30 seconds

A practical temperature range to maintain inside pesticide storage facility is...

40 to 100 degress F

A pesticide label calls for a broadcast applicaiton of 2 pints of product per acre. Your sprayer holds 300 gallons and is calibrated to apply 10 gallons of spray mixture per acre. How much product is needed for each tank-full of spray mixture?

60 pints

The Brand name "Pest-O 5G" on a label indicates

A granular pesticide with 5% Active Ingredients.

The technical name describing the compostion of the actual toxicant in a formulation is the....

Active Ingredient

Example of a pesticide formulation that is Ready To Use.

Aerosols

The process of stirring and mixing in a sprayer.

Agitation

Pesticides classified as oxidizers should not be contained which one of the following absorbent materials?

All of the above -Sawdust -Shredded paper -Clothing

Agitation of spray material can be accomplished by....

All of the above -bypass agitators -hydraulic agitators -mechanical agitators

Control by predators, pathogen, and parasites that are either naturally occuring or introduced.

Biological control

What property of a pesticide would make it more likely to move with water in surface runoff?

Both A & B -High solubility -High adsorption rate

Never transport pesticides....

Both A and B -in a cab or a truck -in a trunk of a car

Brass nozzles....

Both A and C -are inexpensive -wears quickly from abrasion

Grass buffers established along field borders....

Both A and C are correct -slows the run-off of pesticides -helps trap contaminants

Harmful effects that occur from small repeated exposures to pesticides

Both B & C -Chronic toxicity effects -Allergic effect

Never operate a sprayer pump at speeds and pressures....

Both B and C -Above those recommended by the manufacturer or damage could occur -Without liquids pumping through them.

Adjuvant that acidify and stabilize the water in the spray tank.

Buffers

On September 15th, Joe takes and passes the Iowa Core Exam and the Category 1A, 1B, and 1C pest managment exams. He plans to recertifiy by attending a continuing instructional course (CIC) in the future because he does not want to have to retest. When does Joe need to attend his first Agricultural Pest Management control continuing instructional course?

By December 31st of the current year

Which one of the following answers is not true for respirators that filter out dust particulate.

Change if you taste or smell pesticides

Continual use of a pesticides from the same ___________________ without incorporating other control methods into the pest management-plan, increases the likelihood that resistance will develop.

Chemical class

Certification need for you to apply pesticides for the same local agricultural cooperative.

Commercial certification

The active ingredient in Morsban 75WG is Chlopyrifosi;(0, 0 - diethyl 0 - (3,4,5, - trichloro 2 - pyridimyl). What does the term Chlorpyrifosi represent?

Common name

Adjunvant used to overcome physical and chemical incompatibilities that may arise when pesticides are combined with liquid fertilizers and or other pesticides.

Compatibility agents

When two or more pesticides can be mixed together and applied in combination without adversely affecting the effectiveness or the physical or chemical properties of the mixture, they are said to be..

Compatible

Arrange in order the three C's of spill managment.

Control, Contain, Clean-up

Which one of the following is not identified as a sensitive crop (crops) in Iowa.

Conventionally grown corn and soybeans

Crop rotation or crop sequence is a type of ________ control.

Cultural control

Disposal of pesticide waste is regulated by __________ in Iowa.

DNR

Regulates the laws pertaining to soiid and hazardous waste in Iowa.

DNR

Iowa agency that regulates the transporation and shipment of pesticides.

DOT

A material that reduces and hinders the formation of foam in spray tank-mix.

Defoaming agent

To a commercial pesticide applicator, the ________ route of entry is likely to be most important in terms of occupational exposure to pesticides.

Dermal

Example of a statement found on a pesticide labe in the Statement of Practical Treatment.

Do not induce vomiting or give anything by mouth to an unconscious person.

The movement of pesticides through the air to nontarget areas either as solid or liquid particles or as vapors

Drift

Which one of the following is not a disadvantage of using a granular formulation to treat a pest problem?

Drift hazard is low, and particles settle quickly

Federal agency responsible for the regulation of pesticides.

EPA

This label requirement is necessary to trace adulterated products or other problems and identify the facility that manufactured the product.

EPA establishment number

The population density of a pest at which a control measure should be initiated to prevent an increase pest population from reaching irreversabel damage levels.

Economic threshold

Certification is renewable by..

Either B or C are correct -retesting every three years -attending an approved CIC each year or certification that covers each of the categories in which you with to maintain certification for

The following pesticide would be the most easily absorbed through dermal exposure.

Emulsifiable concentrate

Act intented to protect and promote recovery of plants and animals that are in danger of becoming extinct due to the activities of people.

Endangered Species Act

Which on of the following choices is NOT true?

Exam for certification can be taken multiple times in the same day.

Federal act that regulates the production, transportation, sale, use and disposal of pesticides.

FIFRA

Restricted use pesticides can be used by any person at anytime, as long as they are purchased by a certified applicator.

False

The pesticide end-product, usually consisting of a mixture of active and inert ingredients.

Formulation

Pesticide formulation considered highly toxic to most living organisms.

Fumigants

Any substance or mixture of substances intended for preventing, destroying, repelling, or mitigating weeds or undesirable plants.

Herbicide

When talking about pesticides, what is meant by a pesticides half-life?

How long it takes for half of the original amount of pesticide to break down

Administers the pesticide code and rules for the state of Iowa.

IDALS

IMP stands for.

Integrated Pest Management

The front panel of every pesticide product label must bare the statment:

Keep out of Reach of Children

Once a pest is identified, it is important to understand the pest's ______ to best treat it.

Life cycle

Environmental conditions that have the greatest potential for increasing the risk of vapor drift.

Low humidity / High temperature / High wind speed

Deliver 5 to 30 gallon of material per minute.

Low-pressure sprayers

Control of pests through the use of cultivtors, mowers, and traps.

Mechnical Control

Which of the following is not a guideline to follow to minimize the amount of pesticide waste solution?

Mix more pesticide that needed for the acreage to be treated.

A description of how a pesticide exerts a toxic effect on a target pest and what specific system(s) is affected in the pest.

Mode of action

Herbicide that controls all related pest.

Non-selective

Medical antidotes for pesticides should be taken:

Only when prescribed by a physician.

Dosage required to kill 50 percent of the test animals when given a single dose by mouth.

Oral LD50

_________________ pesticides interfere with the enzyme cholinesterase in the nervous system.

Organophosphates

Ability of a pesticide to remain present and active in its original form for an extented period of time before breaking down.

Persistence

A chemical used to directly control pest populations or to prevent or reduce pest damage.

Pesticide

Certification needed for you to mix and load pesticides for a local cooperative.

Pesticide handler

Ability of an insect, fungus, weed, rodent, or other pest to tolerate a pesticide that once controlled it.

Pesticide resistance

When pesticide products do not uniformily mix in the spray tank.

Physical incompatibility

Injury to plants due to exposure to a chemical.

Phytotoxicity

Persons who apply any restricted use pesticide for the production of an agricultural commodity on property owned or rented by themselves or their employers.

Private applicator

Certification need for you to apply pesticides to the right-of-way as part of your job for the DOT (Department of Transporation)

Public applicator

Chemical class that has been linked to fish kills.

Pyrethroids

Pesticides are classified as hazardous waste by...(hint - chapter #1)

RCRA

Doubling the ground speed or a sprayer during a pesticide application will...

Reduce the gallons of spray applied per acre by one-half

Formulation used to repel insects, related invertebrates, birds, and mammals

Repellant

The amount of a pesticde remaining in or on raw farm products or processed food is referred to as..

Residue

For sale to, and for use only by, certified applicators or applicators under the direct supevision of a certified applicator.

Restricted use Pesticides

Pesticides not available to the general public in the United States and limits the product, or its uses, to use by a certified pesticide applicator or under the direct supervision of a certified applicator.

Restricted use pesticide or RUP

The Iowa Pesticide Act requires commercial, public, and noncommercial pesticide applicators to maintain records for all.....

Restricted use pesticides for a minimun of 3 years.

Eliminating potential sources of infestation to prevent a pest problem.

Sanitation

Checking a crop on a regular basis and in a prescribed manner to determine pest population levels and the extent of pest damage.

Scouting / Monitoring

Section exempt form normal EPA registration.

Sectio 25b

Special Local Need EPA registration

Section 24c

Why does the EPA set tolerances for pesticides used in food production?

So treated commodities are not sold if residues exceed tolerance levels.

Generally, if a person's skin is exposed to a pesticide, what item on the pesticide label would provide instructions for immediate treatment?

Statement of Practical Treatment

The Directions For Use on a pesticide label indicates....

The crop, animal, or site on which the pesticide can be used

Drift control agents such as cellulose, gels, and swellable polymers that cause the formation of a greater proportion of large spray droplets.

Thickeners

Statement found on a pesticide label in the Environmental Hazards area.

This pesticide is highly toxic to aquatic invertebrates

Pesticide Certifications are available for..

Three years

Two ingredients that create a hazardous situation when working with pesticides.

Toxicity of pesticide + Exposure

Example of a statement found on a pesticide label in the Storage and Disposal area.

Triple-rinse or pressure rinse container promptly after emptying.

By law, you are required to follow all of the instructions and use directions found on the lable.

True

Each location or outlet operating in Iowa that handles, sells, or applies pesticides, is required to be licensed by the state of Iowa separately

True

Restricted use pesticides can be used by any person at anytime, as long as they are purchased by a certified applicator.

True

The Iowa Core Exam is a 50 multiple-choice exam that requires 80% of the questions to be correct to pass.

True

Pesticide formulation that requires highly specilzed equipment to apply.

Ultra-Low-Volume

Which statement about containment pads is true?

Use containment pads where larger quanties of pesticides are mixed.

Which one of the following is not an example of a cultural method of managing weeds?

Using resistant varieties of crops

Match the following pesticide formulation with the level of agitation need in a tank mix.

Wetable Powders-High Flowables-Moderate Emulsifiable concentrates-Low

When using the WALES and DALES method of determing the tank mixing order, the W in Wales stands for..

Wettable Powders

An adjunvant that reduces surface tension and allows a pesticide to cover treated surfaces more thoroughly and effectively.

Wetting agent

Which one of the following is not an advantage associated with dry pesticide formulations?

Will not plug screens or nozzles

Federal act aimed at reducing the risk of pesticide poisoning, injuries, and exposure to agricultural workers and handlers.

Worker Protection Standards

The techincal name describing the compostion of the actual toxicant in a pesticide is the.

active ingredient

Binding of pesticides to clay particles or organic matter in the soil.

adsorption

You can reduce the vapor drift of a pesticide by choosing low-volatillty pesticides when ........

applying when air temperatures are high

Empty liquid pesticide containers shoul be drained and rinsed

at the time of mixing the pesticide

A pesticide storage area should...

be dry and cool

Restricted-Entry Interval (REI) is established to allow pesticide residues to ..

break-down to safe levels

The best way to avoid having to dispose of leftover pesticides is to....

buy only the amount needed.

If nozzles clog during a spraying operation, you should...

clean with a soft britle brush

Increasing pressure 4x will ____ the amount of spray being applied to a specific area if speed and boom height remain constant.

double

Which factor does not influence the amount of vapor drift that may occur?

droplet-size

Most accidental pesticide deaths involving humans are caused by people..

eating or drinking the pesticide product accidentally

Pesticide storage room or building should have....

fire resistant construction

Pesticides are more likely to move into the ground water if they.......

have weak soil adsorption characteristics

Tungsten carbide and ceramic nozzles

highly resistant to abrasion

If a pesticide label has the signal word "Danger" on it, the pesticide is.

highly toxic

To minimize spray drift, select nozzles with the...

largest drop size while providing adequate coverage

Waste solutions from washing equipment, rinsing tanks and booms, surplus tank mixtures, and spilled pesticides must be disposed of...

legally according to label instructions

A pesticide with a LD50 value of 2,000 would always be __________ than a pesticide with a LD50 value of 50.

less toxic

Gloves for pesticide use should be:

long enough to cover the wrist

Symptoms of pesticide poisoning:

may be the same as symptoms of other illnesses

The greatest chance of pesticide poisoning occures during...

mixing and loading

The easiest way to obtain a major change in the rate of applicaiton with a spray system is to change the size of the...

nozzle tip

Pesticides should be stored....

only in the original containers

Change in the chemical structure of a pesticide due to the abroption of ultraviolet light.

photochemical degradation

Movement of pesticide and pesticide carrier away from target by wind during applicaiton.

physical drift

Monitors the function of the spraying system

pressure gauge

Controls the pressure and indirectly, the quantity of spray material delivered by the nozzles.

pressure regulator

Which of the following is not true for granular applicators?

relatively expensive

The purpose of draining and triple-rinsing pesticide containers is to permit for their.....

safe disposal

Under what soil conditions are pesticides more likely to leach through the soil profile?

sandy loam soil texture, low organic matter content, depth to groundwater is shallow

Following the use of an rodenticide, to take care of an increasing rat and mice population in your livestock feed storage shed, your favorite cat sprinkles shows up on the back steps of your house dead as a door-nail. You suspect pesticide poisoning since not far from her a half eaten mouse is found. What is this type of poisoning called?

secondary poisoning

According to the Iowa Bee Rule, applicaiton of pesticides labled as toxic to bees.

shall not be applied to blooming crops

Warning response of the body to poisons are called:

signs and symptoms

Toxicity level of a pesticide with caution as its singal word.

slightly

In cleaning up liquid pesticide spills, the first thing to do is....

soak up the spill with an approved absorbent material

Pesticides are less likely to move into surface water if the......

soils have a strong soil adsorption characteristic

An employee hired to apply restricted use pesticides can legal apply pesticides while not certified if.....

the employee is within sight and hearing distance of another certified applicator

Signal words on a pesticide label indicate approximately how _____________ the pesticide is.

toxic

A pesticide's LD50 value is a number assigned to a pesticide that indicates its..

toxicity

A temperature inversion exists.....

when air near the ground is cooler than the temperature of the air above it