EHS Questions EHS Questions 2/18/2026
What is the most likely barrier ( communication) that an REHS will encounter with a manager when performing an
inspection at a restaurant?
Noisy Kitchen
After servicing a septic tank, it is important that the tank or lid be...
replaced and secured for security purposes
Who is in charge when there is a terrorism threat?
First 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..
leaking fixtures
Page 1 EHS Questions.pdf
,EHS Questions EHS Questions 2/18/2026
What are you most likely to get typhoid fever from?
Pit or privy toilet adjacent to a spring. *it is found in water.
How to determine amount of coliforms in water?
Total coliform count or the colilert test
First thing you do when a new septic tank is installed?
Use 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?
Trichlor
After a septic tank has been cleaned, it should not be scrubbed and disinfected. Why?
The sludge sticking to the insides would have a seeding effect and assist in renewing the bacterial activity. - Want
residual bacteria to continue to grow.
Page 2 EHS Questions.pdf
,EHS Questions EHS Questions 2/18/2026
Groundwater water samples are taken all of the following ways except?
1. Bored
2. Dug
3. Cores
4. Percolation test
Cores
Who responds to a terrorist threat?
FBI, FEMA, Homeland security
A dirty bar soap is likely to be considered a/an
Fomite
An apartment tenant is complaining about a rash with red marks, this is most likely NOT from...
Louse (probably from bed bugs)
Page 3 EHS Questions.pdf
, EHS Questions EHS Questions 2/18/2026
An REHS receives a call about a hazardous 55 gallon container, what should they do first?
Evacuate the area and call EPA
What genus of mosquito is most likely to carry West Nile Virus?
Culex (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?
Verify with an inspection
Bringing frozen chicken from -32 degrees F to 12 degrees F for the purpose of deep frying is called what?
Slacking
People in a building are complaining of respiratory issues when in a specific building, what is the most likely
cause?
HVAC (Heating, ventilation and air conditioning)
Page 4 EHS Questions.pdf
What is the most likely barrier ( communication) that an REHS will encounter with a manager when performing an
inspection at a restaurant?
Noisy Kitchen
After servicing a septic tank, it is important that the tank or lid be...
replaced and secured for security purposes
Who is in charge when there is a terrorism threat?
First 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..
leaking fixtures
Page 1 EHS Questions.pdf
,EHS Questions EHS Questions 2/18/2026
What are you most likely to get typhoid fever from?
Pit or privy toilet adjacent to a spring. *it is found in water.
How to determine amount of coliforms in water?
Total coliform count or the colilert test
First thing you do when a new septic tank is installed?
Use 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?
Trichlor
After a septic tank has been cleaned, it should not be scrubbed and disinfected. Why?
The sludge sticking to the insides would have a seeding effect and assist in renewing the bacterial activity. - Want
residual bacteria to continue to grow.
Page 2 EHS Questions.pdf
,EHS Questions EHS Questions 2/18/2026
Groundwater water samples are taken all of the following ways except?
1. Bored
2. Dug
3. Cores
4. Percolation test
Cores
Who responds to a terrorist threat?
FBI, FEMA, Homeland security
A dirty bar soap is likely to be considered a/an
Fomite
An apartment tenant is complaining about a rash with red marks, this is most likely NOT from...
Louse (probably from bed bugs)
Page 3 EHS Questions.pdf
, EHS Questions EHS Questions 2/18/2026
An REHS receives a call about a hazardous 55 gallon container, what should they do first?
Evacuate the area and call EPA
What genus of mosquito is most likely to carry West Nile Virus?
Culex (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?
Verify with an inspection
Bringing frozen chicken from -32 degrees F to 12 degrees F for the purpose of deep frying is called what?
Slacking
People in a building are complaining of respiratory issues when in a specific building, what is the most likely
cause?
HVAC (Heating, ventilation and air conditioning)
Page 4 EHS Questions.pdf
