Page 1 of 32
OREGON PESTICIDE LAWS AND SAFETY LATEST
UPDATE THIS YEAR ALL 200 QUESTIONS AND
CORRECT ANSWERS
Question: Endangered Species Act (ESA) - CORRECT ANSWER✔✔requires federal agencies to
ensure that any action they authorize, fund, or carry out, will not likely jeopardize the continued
existence of any listed species, or destroy or adversely modify any critical habitat for those
species.
Question: 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
Question: 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.
Question: Section 3 - CORRECT ANSWER✔✔ORS 634Oregon Revised statutes- State Pesticide
Control: must be registered with ODA after EPA registers them
, Page 2 of 32
Question: 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
Question: 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 .
Question: Exposure - CORRECT ANSWER✔✔how much chemical contacted the body surface
Question: Dose - CORRECT ANSWER✔✔the amount of chemical absorbed into the body
(through skin, eye, gut, lung)
Question: toxicity - CORRECT ANSWER✔✔how a substance adversely affects a living system
dose-time relationship
Question: acute exposure - CORRECT ANSWER✔✔one time or limited exposure to a pesticide
Question: chronic exposure - CORRECT ANSWER✔✔contact to a pesticide over a period of time
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Question: acute toxicity - CORRECT ANSWER✔✔effects that appear within minutes/days after
exposure. how poisonous a substance is after an acute exposure- Basis for the warning
statements on a label.
Question: Risk? - CORRECT ANSWER✔✔= Toxicity + Exposure. how poisonous, the amount and
route of exposure
Question: Routes of entry - CORRECT ANSWER✔✔Dermal, inhalation, oral and ocular
Question: factors that affect toxicity (3) - CORRECT ANSWER✔✔route of entry, frequency and
duration of exposure, does
Question: Lethal dose fifty (LD50) - CORRECT ANSWER✔✔the does of pesticide that kills half of
animals (50%) in a does response study.
Question: Catagory highly toxic - CORRECT ANSWER✔✔Signal word DANGER POISON! very
small oral/skin dose can kill a person (drops-teaspoon)
Question: Catagory Moderately toxic - CORRECT ANSWER✔✔Signal word Warning! small oral
dose can kill a person (over teaspoon-1 ounce)
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Question: Catagory slightly toxic - CORRECT ANSWER✔✔Signal word Caution! (over 1 ounce-1
pint/lb) oral dose that can kill a person
Question: relatively nontoxic - CORRECT ANSWER✔✔Signal word Caution! (over 1 pint/lb) oral
dose that can kill a person
Question: Chronic effects - CORRECT ANSWER✔✔usually irreversible last for the rest or your
life. reproductive damage, teratogenic, carcinogenic, mutagenic, endocrine disruption
Pesticides - CORRECT ANSWER✔✔include herbicides, insecticides,
fungicides, rodenticides, and many other
substances used to kill, harm, or repel pests.
Question: General Use Pesticides - CORRECT ANSWER✔✔may be bought over the counter
without a pesticide license.
Question: 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.
OREGON PESTICIDE LAWS AND SAFETY LATEST
UPDATE THIS YEAR ALL 200 QUESTIONS AND
CORRECT ANSWERS
Question: Endangered Species Act (ESA) - CORRECT ANSWER✔✔requires federal agencies to
ensure that any action they authorize, fund, or carry out, will not likely jeopardize the continued
existence of any listed species, or destroy or adversely modify any critical habitat for those
species.
Question: 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
Question: 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.
Question: Section 3 - CORRECT ANSWER✔✔ORS 634Oregon Revised statutes- State Pesticide
Control: must be registered with ODA after EPA registers them
, Page 2 of 32
Question: 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
Question: 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 .
Question: Exposure - CORRECT ANSWER✔✔how much chemical contacted the body surface
Question: Dose - CORRECT ANSWER✔✔the amount of chemical absorbed into the body
(through skin, eye, gut, lung)
Question: toxicity - CORRECT ANSWER✔✔how a substance adversely affects a living system
dose-time relationship
Question: acute exposure - CORRECT ANSWER✔✔one time or limited exposure to a pesticide
Question: chronic exposure - CORRECT ANSWER✔✔contact to a pesticide over a period of time
, Page 3 of 32
Question: acute toxicity - CORRECT ANSWER✔✔effects that appear within minutes/days after
exposure. how poisonous a substance is after an acute exposure- Basis for the warning
statements on a label.
Question: Risk? - CORRECT ANSWER✔✔= Toxicity + Exposure. how poisonous, the amount and
route of exposure
Question: Routes of entry - CORRECT ANSWER✔✔Dermal, inhalation, oral and ocular
Question: factors that affect toxicity (3) - CORRECT ANSWER✔✔route of entry, frequency and
duration of exposure, does
Question: Lethal dose fifty (LD50) - CORRECT ANSWER✔✔the does of pesticide that kills half of
animals (50%) in a does response study.
Question: Catagory highly toxic - CORRECT ANSWER✔✔Signal word DANGER POISON! very
small oral/skin dose can kill a person (drops-teaspoon)
Question: Catagory Moderately toxic - CORRECT ANSWER✔✔Signal word Warning! small oral
dose can kill a person (over teaspoon-1 ounce)
, Page 4 of 32
Question: Catagory slightly toxic - CORRECT ANSWER✔✔Signal word Caution! (over 1 ounce-1
pint/lb) oral dose that can kill a person
Question: relatively nontoxic - CORRECT ANSWER✔✔Signal word Caution! (over 1 pint/lb) oral
dose that can kill a person
Question: Chronic effects - CORRECT ANSWER✔✔usually irreversible last for the rest or your
life. reproductive damage, teratogenic, carcinogenic, mutagenic, endocrine disruption
Pesticides - CORRECT ANSWER✔✔include herbicides, insecticides,
fungicides, rodenticides, and many other
substances used to kill, harm, or repel pests.
Question: General Use Pesticides - CORRECT ANSWER✔✔may be bought over the counter
without a pesticide license.
Question: 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.