REHS/RS STUDY GUIDE (ACTUAL 2025/2026) QUESTIONS
WITH 100% VERIFIED CORRECT ANSWERS | LATEST
VERSION
hat does photodecomposition in a plastic bottle do in a landfill or
waste dump?
Reduce the amount of waste
In a newborn hospital wing humidifiers will?
Need to be cleaned frequently due to bacterial growth on the
components
What is LEAST effected when contaminated air is found in a
hospital?
Air filtered in the morgue.
What is the maximum time for industry to generate hazardous waste
without a permit?
90 = large quantity
180 = small quantity
,A trailer park is leaking hazardous waste directly on the ground and
there is an immediate health threat and the owner will not speak to
you, what can you do?
Acquire an injunction notice (injunction = is an equitable remedy in
the form of a court order that requires a party to do or refrain from
doing specific acts).
Waste landfills should be supplemented with what?
A top and bottom liner, leachate collection and removal system and a
leak detection system).
If there is a clean lake, small fresh water stream involved what would
be the best waste disposal system adopted by a small community and
a developing community?
Slow sand filtration
In emergency situations what should be done to water for
disinfection?
Boil (at least 1 minute), 8 drops of iodine tincture per quart, chlorine
(regular strength, unscented) per gallon of water and let sit for at least
30 minutes.
What does g/ppm represent?
, Vapor concentrations (gas concentration).
Why are vacuums not recommended for use in hospitals?
Potential to spread hazardous materials/bacteria into the air
What food should not be obtained by a food vendor?
Adulterated food items (unsafe or impure food items)
After a food borne illness outbreak is detected what is the MINIMUM
time period required for food borne illness investigations/
12 hours (the range is 12 to 72 hours).
What is the recommended detention time for wastewater in a septic
tank?
24 to 72 hours
What is the minimum BOD requirement for a trickling filter?
40%
WITH 100% VERIFIED CORRECT ANSWERS | LATEST
VERSION
hat does photodecomposition in a plastic bottle do in a landfill or
waste dump?
Reduce the amount of waste
In a newborn hospital wing humidifiers will?
Need to be cleaned frequently due to bacterial growth on the
components
What is LEAST effected when contaminated air is found in a
hospital?
Air filtered in the morgue.
What is the maximum time for industry to generate hazardous waste
without a permit?
90 = large quantity
180 = small quantity
,A trailer park is leaking hazardous waste directly on the ground and
there is an immediate health threat and the owner will not speak to
you, what can you do?
Acquire an injunction notice (injunction = is an equitable remedy in
the form of a court order that requires a party to do or refrain from
doing specific acts).
Waste landfills should be supplemented with what?
A top and bottom liner, leachate collection and removal system and a
leak detection system).
If there is a clean lake, small fresh water stream involved what would
be the best waste disposal system adopted by a small community and
a developing community?
Slow sand filtration
In emergency situations what should be done to water for
disinfection?
Boil (at least 1 minute), 8 drops of iodine tincture per quart, chlorine
(regular strength, unscented) per gallon of water and let sit for at least
30 minutes.
What does g/ppm represent?
, Vapor concentrations (gas concentration).
Why are vacuums not recommended for use in hospitals?
Potential to spread hazardous materials/bacteria into the air
What food should not be obtained by a food vendor?
Adulterated food items (unsafe or impure food items)
After a food borne illness outbreak is detected what is the MINIMUM
time period required for food borne illness investigations/
12 hours (the range is 12 to 72 hours).
What is the recommended detention time for wastewater in a septic
tank?
24 to 72 hours
What is the minimum BOD requirement for a trickling filter?
40%
