REHS/RS Exam Questions And Answers.
Verified And Updated.
Cartridge - answer✔✔What is the slowest pool filter?
Breeding areas/rodents
Flies - answer✔✔You see dumpster overflowing with food, what should you communicate to the
owner as the biggest concern?
4 hrs (unless mentions staying under 70F after 4 hours then it is 6 hours or mentions something
about cooling 6 hrs) - answer✔✔A chef prepares sandwiches with cold cut meats for a catering
event, how soon should they be eaten after preparation?
Fish, Ecosystems - answer✔✔Stream pollution with nitrogen (goes from NH to NO3 to NO2 to
NO) effects what downstream
A busy and noisy kitchen - answer✔✔What is the most likely barrier ( communication) that an
REHS will encounter with a manager when performing an inspection at a restaurant?
5 ug/dl - answer✔✔Blood lead levels, CDC recommend getting checked at?
replaced and secured for security purposes - answer✔✔After servicing a septic tank, it is
important that the tank or lid be...
First person at the site becomes the person in charge - answer✔✔Who is in charge when there is
a terrorism threat?
leaking fixtures - answer✔✔Common causes of failure of septic tank seepage field systems
include improper sizing, non-suitable soil, non-servicing, and..
Pit or privy toilet adjacent to a spring. *it is found in water. - answer✔✔What are you most
likely to get typhoid fever from?
Total coliform count or the colilert test - answer✔✔How to determine amount of coliforms in
water?
call owner, cite code ordinances, tell him to get it cleaned up (Mice dont carry brucellosis , cows
and buffalos do) - answer✔✔An REHS receives a complaint about trash and mice in an
abandoned lot, what should they do first?
68F - answer✔✔Chlorine works best at what temp?
EXAM STUDY MATERIALS July 25, 2024 1:06 PM
,5? - answer✔✔How may tenets (tips) are there to establish a healthy home?
Pet dander - answer✔✔What is most likely the cause of biological contamination and causing
health defects at home?
Due process - answer✔✔What legal principle protects people's rights?
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)
- answer✔✔First thing you do when a new septic tank is installed?
Trichlor - answer✔✔What chemical will lower pH in a pool?
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. - answer✔✔After a septic tank
has been cleaned, it should not be scrubbed and disinfected. Why?
Cores - answer✔✔Groundwater water samples are taken all of the following ways except?
1. Bored
2. Dug
3. Cores
4. Percolation test
Indirect contact - answer✔✔Influenza in spread by?
restaurant, must pollution - answer✔✔Which produces the most BOD?
FBI, FEMA, Homeland security - answer✔✔Who responds to a terrorist threat?
Fomite - answer✔✔A dirty bar soap is likely to be considered a/an
Louse (probably from bed bugs) - answer✔✔An apartment tenant is complaining about a rash
with red marks, this is most likely NOT from...
Incident commander - answer✔✔Who becomes the person in charge after a disaster situation?
Evacuate the area and call EPA - answer✔✔An REHS receives a call about a hazardous 55
gallon container, what should they do first?
Culex (common in US is Quinquefasciatus, tarsalis, or pipiens) - answer✔✔What genus of
mosquito is most likely to carry West Nile Virus?
Dry cleaning - answer✔✔Trichloroethylene is used in the industry in what?
EXAM STUDY MATERIALS July 25, 2024 1:06 PM
,Verify with an inspection - answer✔✔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?
Ocean Dumping - answer✔✔Sludge can be disposed of in all of the following ways except?
1. Composting
2. Landfill
3. Incineration
4. Ocean dumping
Slacking - answer✔✔Bringing frozen chicken from -32 degrees F to 12 degrees F for the
purpose of deep frying is called what?
Parrot - answer✔✔What pet is not allowed in a daycare?
HVAC (Heating, ventilation and air conditioning) - answer✔✔People in a building are
complaining of respiratory issues when in a specific building, what is the most likely cause?
20 ppm, 12.75 hrs
Crypto = Diarrhea
Giardia = Formed stool - answer✔✔Diarrhea in a pool, chlorine level is raised to what and for
how long?
Mounded - answer✔✔What formation should an absorption beds be with a water table of 6
inches
Leachate (liquid) containing water may contaminate groundwater and methane production can be
explosive at 5 & 15 percent. - answer✔✔Leachate and Methane monitored in a garbage dump
why?
German - answer✔✔What is the most common type of cockroach in the US?
Neither solids or liquids they don't breakdown are not removed they go into the environment and
are found in freshwater. - answer✔✔Pharmaceuticals removed liquids or solids by a wastewater
treatment plant?
Protozoan - answer✔✔Amoebic Dysentery is most likely cause by?
Person to person transfer from feces of infected individual - answer✔✔How is giardiasis
trasmitted?
Owner/artist/employees - answer✔✔Who is ultimately responsible for not transferring disease in
a tattoo parlor?
EXAM STUDY MATERIALS July 25, 2024 1:06 PM
, less risk of pests developing chemical resistance - answer✔✔What is the benefit of using a
licensed pest control company?
Household hazardous waste is exempt from RCRA requirements - answer✔✔According to the
resource conservation and recovery act (RCRA) how must household hazardous waste be
disposed?
Tank may float out of the ground - answer✔✔What may happen if a septic tank is pumped
during a wet period?
Improper bactericidal treatment of the equipment - answer✔✔The laboratory reports a positive
coliform test that exceeds permissible limits on a bottle of pasteurized milk. What does this
indicate?
Indirect waste piping - answer✔✔Cross-connection controls include air gaps, back-flow
preventers, vacuum breakers, and:
1. Skimmer or Gutter line
2. Main drain line
3. Adjustment valves
4. Hair strainer
5. Filter air pump
6. Filters
7. Disinfectant feeder
8. pH feeder
9. Adjustable inlets - answer✔✔The treatment system of a pool is typically recommended to be
installed in which of the following flow arrangements?
RCRA ( Resource conservation and recovery act) - answer✔✔Which federal law regulates
underground storage tank for hazardous wastes?
RISK - answer✔✔A measure of the probability and severity of adverse effects under specific
condition BEST describes?
Split spoon - answer✔✔Which of the following sampling devices is BEST for collecting
undisturbed soil samples?
Alpha particles - answer✔✔Which of the following have little penetrating power and are
normally a hazard to health only in the form of internal radiation received through ingestion,
inhalation, or open wounds?
EXAM STUDY MATERIALS July 25, 2024 1:06 PM
Verified And Updated.
Cartridge - answer✔✔What is the slowest pool filter?
Breeding areas/rodents
Flies - answer✔✔You see dumpster overflowing with food, what should you communicate to the
owner as the biggest concern?
4 hrs (unless mentions staying under 70F after 4 hours then it is 6 hours or mentions something
about cooling 6 hrs) - answer✔✔A chef prepares sandwiches with cold cut meats for a catering
event, how soon should they be eaten after preparation?
Fish, Ecosystems - answer✔✔Stream pollution with nitrogen (goes from NH to NO3 to NO2 to
NO) effects what downstream
A busy and noisy kitchen - answer✔✔What is the most likely barrier ( communication) that an
REHS will encounter with a manager when performing an inspection at a restaurant?
5 ug/dl - answer✔✔Blood lead levels, CDC recommend getting checked at?
replaced and secured for security purposes - answer✔✔After servicing a septic tank, it is
important that the tank or lid be...
First person at the site becomes the person in charge - answer✔✔Who is in charge when there is
a terrorism threat?
leaking fixtures - answer✔✔Common causes of failure of septic tank seepage field systems
include improper sizing, non-suitable soil, non-servicing, and..
Pit or privy toilet adjacent to a spring. *it is found in water. - answer✔✔What are you most
likely to get typhoid fever from?
Total coliform count or the colilert test - answer✔✔How to determine amount of coliforms in
water?
call owner, cite code ordinances, tell him to get it cleaned up (Mice dont carry brucellosis , cows
and buffalos do) - answer✔✔An REHS receives a complaint about trash and mice in an
abandoned lot, what should they do first?
68F - answer✔✔Chlorine works best at what temp?
EXAM STUDY MATERIALS July 25, 2024 1:06 PM
,5? - answer✔✔How may tenets (tips) are there to establish a healthy home?
Pet dander - answer✔✔What is most likely the cause of biological contamination and causing
health defects at home?
Due process - answer✔✔What legal principle protects people's rights?
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)
- answer✔✔First thing you do when a new septic tank is installed?
Trichlor - answer✔✔What chemical will lower pH in a pool?
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. - answer✔✔After a septic tank
has been cleaned, it should not be scrubbed and disinfected. Why?
Cores - answer✔✔Groundwater water samples are taken all of the following ways except?
1. Bored
2. Dug
3. Cores
4. Percolation test
Indirect contact - answer✔✔Influenza in spread by?
restaurant, must pollution - answer✔✔Which produces the most BOD?
FBI, FEMA, Homeland security - answer✔✔Who responds to a terrorist threat?
Fomite - answer✔✔A dirty bar soap is likely to be considered a/an
Louse (probably from bed bugs) - answer✔✔An apartment tenant is complaining about a rash
with red marks, this is most likely NOT from...
Incident commander - answer✔✔Who becomes the person in charge after a disaster situation?
Evacuate the area and call EPA - answer✔✔An REHS receives a call about a hazardous 55
gallon container, what should they do first?
Culex (common in US is Quinquefasciatus, tarsalis, or pipiens) - answer✔✔What genus of
mosquito is most likely to carry West Nile Virus?
Dry cleaning - answer✔✔Trichloroethylene is used in the industry in what?
EXAM STUDY MATERIALS July 25, 2024 1:06 PM
,Verify with an inspection - answer✔✔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?
Ocean Dumping - answer✔✔Sludge can be disposed of in all of the following ways except?
1. Composting
2. Landfill
3. Incineration
4. Ocean dumping
Slacking - answer✔✔Bringing frozen chicken from -32 degrees F to 12 degrees F for the
purpose of deep frying is called what?
Parrot - answer✔✔What pet is not allowed in a daycare?
HVAC (Heating, ventilation and air conditioning) - answer✔✔People in a building are
complaining of respiratory issues when in a specific building, what is the most likely cause?
20 ppm, 12.75 hrs
Crypto = Diarrhea
Giardia = Formed stool - answer✔✔Diarrhea in a pool, chlorine level is raised to what and for
how long?
Mounded - answer✔✔What formation should an absorption beds be with a water table of 6
inches
Leachate (liquid) containing water may contaminate groundwater and methane production can be
explosive at 5 & 15 percent. - answer✔✔Leachate and Methane monitored in a garbage dump
why?
German - answer✔✔What is the most common type of cockroach in the US?
Neither solids or liquids they don't breakdown are not removed they go into the environment and
are found in freshwater. - answer✔✔Pharmaceuticals removed liquids or solids by a wastewater
treatment plant?
Protozoan - answer✔✔Amoebic Dysentery is most likely cause by?
Person to person transfer from feces of infected individual - answer✔✔How is giardiasis
trasmitted?
Owner/artist/employees - answer✔✔Who is ultimately responsible for not transferring disease in
a tattoo parlor?
EXAM STUDY MATERIALS July 25, 2024 1:06 PM
, less risk of pests developing chemical resistance - answer✔✔What is the benefit of using a
licensed pest control company?
Household hazardous waste is exempt from RCRA requirements - answer✔✔According to the
resource conservation and recovery act (RCRA) how must household hazardous waste be
disposed?
Tank may float out of the ground - answer✔✔What may happen if a septic tank is pumped
during a wet period?
Improper bactericidal treatment of the equipment - answer✔✔The laboratory reports a positive
coliform test that exceeds permissible limits on a bottle of pasteurized milk. What does this
indicate?
Indirect waste piping - answer✔✔Cross-connection controls include air gaps, back-flow
preventers, vacuum breakers, and:
1. Skimmer or Gutter line
2. Main drain line
3. Adjustment valves
4. Hair strainer
5. Filter air pump
6. Filters
7. Disinfectant feeder
8. pH feeder
9. Adjustable inlets - answer✔✔The treatment system of a pool is typically recommended to be
installed in which of the following flow arrangements?
RCRA ( Resource conservation and recovery act) - answer✔✔Which federal law regulates
underground storage tank for hazardous wastes?
RISK - answer✔✔A measure of the probability and severity of adverse effects under specific
condition BEST describes?
Split spoon - answer✔✔Which of the following sampling devices is BEST for collecting
undisturbed soil samples?
Alpha particles - answer✔✔Which of the following have little penetrating power and are
normally a hazard to health only in the form of internal radiation received through ingestion,
inhalation, or open wounds?
EXAM STUDY MATERIALS July 25, 2024 1:06 PM
