REHS/RS Certification Exam Cheat Sheet
2026/2027 | Comprehensive Review Notes
What is an emetic? Describe a few examples observed in Environmental Health. -
correct answer-It is a chemical that induces vomiting. In E.H. emetics are used in
Vector Control for rodent control, Red Squill
What does USDA stamp on meat signify? - correct answer-The meat products
have been processed and inspected by the USDA (United State Department of
Agriculture) and has passed food quality inspections
Mobile Home parks are monitored by what Federal agency? - correct answer-
Housing and Urban Development (HUD)
What are the specific requirements for an OXIDATION (stabilization) POND? -
correct answer-The space (or area), time (up to 60 days) and the depth (3 to 5
feet)
For community-wide noise panning, what is the most important contributor to
that noise - correct answer-automobiles;routes and traffic
What types of laws are government protected from liability? - correct answer-
Sovereign immunity
,What is grout seal? - correct answer-this is the top space between a bored well
and the ground. the seal is usually concrete
What waste by-product is generated from sulfur oxide scrubbers? - correct
answer-Sulfuric acid. The sulfur oxide reacts with the water in the scrubber to
form acid. This is also an important reaction in the atmosphere where the sulfur
oxides react with the atmospheric moisture and forms acid rain.
What type of laws do the Health Department enforce? - correct answer-
Administrative (delegated laws)
You are asked to inspect and test for pH, conductivity, and heavy metals. What
type of inspection are you performing? - correct answer-A hazardous waste
inspection for metal plating facility
In most cities, nitrogen oxide (NOX) is what source of pollution? - correct answer-
Automobile exhaust
Search and inspection warrants are similar except? - correct answer-with search
warrants, the search requirements are specific to a violation condition
When municipal water treatment facilities add fluoride into their water what is
one of the most important factors in calculating the dose? - correct answer-the
temperature of the water. the colder the water the more flu0ride it absorbs
Who developed the Model Food Code? - correct answer-The Food Drug
Administration (FDA)
, What law establishes the Environmental Impact Statement? - correct answer-The
National Environmental Policy Act (NEPA)
What is the average holding time for septic tanks? - correct answer-24 hours
What is does it mean where they refer to "CRADLE to GRAVE" - correct answer-
Whoever produces the hazardous material, they are responsible for the chemical
from the time they created (CRADLE) to it's final disposal (GRAVE)
Murine typhus (endemic typhus) is commonly spread by - correct answer-
Infected rat flea Xenopsylla cheopis defecates the wound
With most anaphylactic shock victims, if prompt medical assistance is not
administered, death can usually result from? - correct answer-They stop
breathing
Does the level of TOTAL DISSOLVED SOLIDS in water affect chlorine disinfection?
If it is why? - correct answer-NO
For hot water sanitizing what are the MINIMUM temperatures required in
CURFFLaW and the Model Food Code? - correct answer-CURFFLaw is 180 degrees
F for 30 sec
The Model Food Code is 171 degrees F for 30 sec
Describe what types of chlorinate hydrocarbon pesticides are and why they are
banned from use in U.S.A? - correct answer-DDT, Chlordane, Linda are examples.
They are very persistent in the environment (does not biodegrade easily or
quickly and affects the reproductive cycles of many wildlife.
2026/2027 | Comprehensive Review Notes
What is an emetic? Describe a few examples observed in Environmental Health. -
correct answer-It is a chemical that induces vomiting. In E.H. emetics are used in
Vector Control for rodent control, Red Squill
What does USDA stamp on meat signify? - correct answer-The meat products
have been processed and inspected by the USDA (United State Department of
Agriculture) and has passed food quality inspections
Mobile Home parks are monitored by what Federal agency? - correct answer-
Housing and Urban Development (HUD)
What are the specific requirements for an OXIDATION (stabilization) POND? -
correct answer-The space (or area), time (up to 60 days) and the depth (3 to 5
feet)
For community-wide noise panning, what is the most important contributor to
that noise - correct answer-automobiles;routes and traffic
What types of laws are government protected from liability? - correct answer-
Sovereign immunity
,What is grout seal? - correct answer-this is the top space between a bored well
and the ground. the seal is usually concrete
What waste by-product is generated from sulfur oxide scrubbers? - correct
answer-Sulfuric acid. The sulfur oxide reacts with the water in the scrubber to
form acid. This is also an important reaction in the atmosphere where the sulfur
oxides react with the atmospheric moisture and forms acid rain.
What type of laws do the Health Department enforce? - correct answer-
Administrative (delegated laws)
You are asked to inspect and test for pH, conductivity, and heavy metals. What
type of inspection are you performing? - correct answer-A hazardous waste
inspection for metal plating facility
In most cities, nitrogen oxide (NOX) is what source of pollution? - correct answer-
Automobile exhaust
Search and inspection warrants are similar except? - correct answer-with search
warrants, the search requirements are specific to a violation condition
When municipal water treatment facilities add fluoride into their water what is
one of the most important factors in calculating the dose? - correct answer-the
temperature of the water. the colder the water the more flu0ride it absorbs
Who developed the Model Food Code? - correct answer-The Food Drug
Administration (FDA)
, What law establishes the Environmental Impact Statement? - correct answer-The
National Environmental Policy Act (NEPA)
What is the average holding time for septic tanks? - correct answer-24 hours
What is does it mean where they refer to "CRADLE to GRAVE" - correct answer-
Whoever produces the hazardous material, they are responsible for the chemical
from the time they created (CRADLE) to it's final disposal (GRAVE)
Murine typhus (endemic typhus) is commonly spread by - correct answer-
Infected rat flea Xenopsylla cheopis defecates the wound
With most anaphylactic shock victims, if prompt medical assistance is not
administered, death can usually result from? - correct answer-They stop
breathing
Does the level of TOTAL DISSOLVED SOLIDS in water affect chlorine disinfection?
If it is why? - correct answer-NO
For hot water sanitizing what are the MINIMUM temperatures required in
CURFFLaW and the Model Food Code? - correct answer-CURFFLaw is 180 degrees
F for 30 sec
The Model Food Code is 171 degrees F for 30 sec
Describe what types of chlorinate hydrocarbon pesticides are and why they are
banned from use in U.S.A? - correct answer-DDT, Chlordane, Linda are examples.
They are very persistent in the environment (does not biodegrade easily or
quickly and affects the reproductive cycles of many wildlife.
