EHS Questions(100% Correct answers)
What is the most likely barrier ( communication) that an REHS will encounter with a manager
when performing an inspection at a restaurant? correct answersNoisy Kitchen
After servicing a septic tank, it is important that the tank or lid be... correct answersreplaced and
secured for security purposes
Who is in charge when there is a terrorism threat? correct answersFirst person at the site
becomes the person in charge
Who is in charge when there is a terrorism threat?
Common causes of failure of septic tank seepage field systems include improper sizing, non-
suitable soil, non-servicing, and.. correct answersleaking fixtures
What are you most likely to get typhoid fever from? correct answersPit or privy toilet adjacent to
a spring. *it is found in water.
How to determine amount of coliforms in water? correct answersTotal coliform count or the
colilert test
First thing you do when a new septic tank is installed? correct answersUse as normal (new septic
tank does not need a starter or any other additive to function. The sewage it receives contains the
organisms necessary to initiate and promote anaerobic digestion)
What chemical will lower pH in a pool? correct answersTrichlor
After a septic tank has been cleaned, it should not be scrubbed and disinfected. Why? correct
answersThe sludge sticking to the insides would have a seeding effect and assist in renewing the
bacterial activity. - Want residual bacteria to continue to grow.
Groundwater water samples are taken all of the following ways except?
1. Bored
2. Dug
3. Cores
4. Percolation test correct answersCores
Who responds to a terrorist threat? correct answersFBI, FEMA, Homeland security
A dirty bar soap is likely to be considered a/an correct answersFomite
An apartment tenant is complaining about a rash with red marks, this is most likely NOT from...
correct answersLouse (probably from bed bugs)
An REHS receives a call about a hazardous 55 gallon container, what should they do first?
correct answersEvacuate the area and call EPA
, What genus of mosquito is most likely to carry West Nile Virus? correct answersCulex (common
in US is Quinquefasciatus, tarsalis, or pipiens)
If an REHS receives a complaint about an abandoned swimming pool that is green colored and
has mice, what should he or she do FIRST? correct answersVerify with an inspection
Bringing frozen chicken from -32 degrees F to 12 degrees F for the purpose of deep frying is
called what? correct answersSlacking
People in a building are complaining of respiratory issues when in a specific building, what is the
most likely cause? correct answersHVAC (Heating, ventilation and air conditioning)
Diarrhea in a pool, chlorine level is raised to what and for how long? correct answers20 ppm,
12.75 hrs
Crypto = Diarrhea
Giardia = Formed stool
What is the most common type of cockroach in the US? correct answersGerman
Pharmaceuticals removed liquids or solids by a wastewater treatment plant? correct
answersNeither solids or liquids they don't breakdown are not removed they go into the
environment and are found in freshwater.
Amoebic Dysentery is most likely cause by? correct answersProtozoan
How is giardiasis trasmitted? correct answersPerson to person transfer from feces of infected
individual
Who is ultimately responsible for not transferring disease in a tattoo parlor? correct
answersOwner/artist/employees
According to the resource conservation and recovery act (RCRA) how must household
hazardous waste be disposed? correct answersHousehold hazardous waste is exempt from RCRA
requirements
What may happen if a septic tank is pumped during a wet period? correct answersTank may float
out of the ground
The laboratory reports a positive coliform test that exceeds permissible limits on a bottle of
pasteurized milk. What does this indicate? correct answersImproper bactericidal treatment of the
equipment
Cross-connection controls include air gaps, back-flow preventers, vacuum breakers, and: correct
answersIndirect waste piping
What is the most likely barrier ( communication) that an REHS will encounter with a manager
when performing an inspection at a restaurant? correct answersNoisy Kitchen
After servicing a septic tank, it is important that the tank or lid be... correct answersreplaced and
secured for security purposes
Who is in charge when there is a terrorism threat? correct answersFirst person at the site
becomes the person in charge
Who is in charge when there is a terrorism threat?
Common causes of failure of septic tank seepage field systems include improper sizing, non-
suitable soil, non-servicing, and.. correct answersleaking fixtures
What are you most likely to get typhoid fever from? correct answersPit or privy toilet adjacent to
a spring. *it is found in water.
How to determine amount of coliforms in water? correct answersTotal coliform count or the
colilert test
First thing you do when a new septic tank is installed? correct answersUse as normal (new septic
tank does not need a starter or any other additive to function. The sewage it receives contains the
organisms necessary to initiate and promote anaerobic digestion)
What chemical will lower pH in a pool? correct answersTrichlor
After a septic tank has been cleaned, it should not be scrubbed and disinfected. Why? correct
answersThe sludge sticking to the insides would have a seeding effect and assist in renewing the
bacterial activity. - Want residual bacteria to continue to grow.
Groundwater water samples are taken all of the following ways except?
1. Bored
2. Dug
3. Cores
4. Percolation test correct answersCores
Who responds to a terrorist threat? correct answersFBI, FEMA, Homeland security
A dirty bar soap is likely to be considered a/an correct answersFomite
An apartment tenant is complaining about a rash with red marks, this is most likely NOT from...
correct answersLouse (probably from bed bugs)
An REHS receives a call about a hazardous 55 gallon container, what should they do first?
correct answersEvacuate the area and call EPA
, What genus of mosquito is most likely to carry West Nile Virus? correct answersCulex (common
in US is Quinquefasciatus, tarsalis, or pipiens)
If an REHS receives a complaint about an abandoned swimming pool that is green colored and
has mice, what should he or she do FIRST? correct answersVerify with an inspection
Bringing frozen chicken from -32 degrees F to 12 degrees F for the purpose of deep frying is
called what? correct answersSlacking
People in a building are complaining of respiratory issues when in a specific building, what is the
most likely cause? correct answersHVAC (Heating, ventilation and air conditioning)
Diarrhea in a pool, chlorine level is raised to what and for how long? correct answers20 ppm,
12.75 hrs
Crypto = Diarrhea
Giardia = Formed stool
What is the most common type of cockroach in the US? correct answersGerman
Pharmaceuticals removed liquids or solids by a wastewater treatment plant? correct
answersNeither solids or liquids they don't breakdown are not removed they go into the
environment and are found in freshwater.
Amoebic Dysentery is most likely cause by? correct answersProtozoan
How is giardiasis trasmitted? correct answersPerson to person transfer from feces of infected
individual
Who is ultimately responsible for not transferring disease in a tattoo parlor? correct
answersOwner/artist/employees
According to the resource conservation and recovery act (RCRA) how must household
hazardous waste be disposed? correct answersHousehold hazardous waste is exempt from RCRA
requirements
What may happen if a septic tank is pumped during a wet period? correct answersTank may float
out of the ground
The laboratory reports a positive coliform test that exceeds permissible limits on a bottle of
pasteurized milk. What does this indicate? correct answersImproper bactericidal treatment of the
equipment
Cross-connection controls include air gaps, back-flow preventers, vacuum breakers, and: correct
answersIndirect waste piping
