NEHA RS/REHS TEST PAPER 2026/2027 QUESTIONS
AND SOLUTIONS RATED A+
✔✔What is another name for Oriental cockroach? - ✔✔Water bug
✔✔What is another name for American cockroach - ✔✔Palmetto bug
✔✔The strongest pesticide control is used by? - ✔✔Dursban
✔✔What is the recommended level of cyanuric acid? - ✔✔30 to 50 ppm
Shall not exceed 70 ppm
✔✔What is the overall purpose of a site review? - ✔✔To evaluate whether a sewage
system can fit on the property
✔✔How many feet away from property lines of sewer lines of a mobile park? - ✔✔10
feet
✔✔What are the 6 air pollutants? - ✔✔ozone(O3)
carbon monoxide (CO)
nitrogen oxides(NO2)
particulate matter (PM)
sulfur dioxide(SO2)
lead(Pb).
✔✔What product takes up the most volume in landfills?
Plastics, Metals, Paper - ✔✔Paper
✔✔What is a food disease is spore former? - ✔✔Clostridium perfringens and bacillus
cereus
✔✔When doing ROP what disease is more susceptible? - ✔✔C. Botulism
✔✔What sample is used for water sampling or potable water? - ✔✔Grab
✔✔What is the OPTIMAL temperature for storing pool test kits? - ✔✔36-85 degrees?
✔✔When being exposed to or consuming chemicals, how early is the onset symptoms?
- ✔✔Less than 1 hour
✔✔Flea/file penetrate how many inches of soil of compaction? - ✔✔6 inches
,✔✔What is/are Prevailing winds? - ✔✔Prevailing winds blow predominantly from a
single general direction over a particular point on the Earth's surface.
✔✔What does SDS stand for? - ✔✔Safety Data Sheet
✔✔What temperature is best for chlorine-washing dishes? - ✔✔75 degrees
✔✔Toxic lead exposure levels
Blood
Air
Water - ✔✔Blood: 10mg/dl
Air: 0.15 ml/m3
Water 15mg/L
✔✔Sludge may be dumped in the following places except?
Landfills, sewer systems, ocean - ✔✔ocean
✔✔How much water is filtered during determining Giardia Cysts are present? - ✔✔500
gallons/1.0micrometer
✔✔Institution is considered to be a what? - ✔✔Facility
✔✔Influenza is spread by? - ✔✔direct contact
✔✔Indoor air quality at a facility: Some people are experiencing headaches, watery
eyes, and throat symptoms/problems. This is most likely due to what? - ✔✔HVAC or
dust and pollen contaminates?
✔✔What shall the swimming pool-related fecal matter incident do? - ✔✔Super
chlorinate; 20 ppm for at least 12.5 Hours.
✔✔Slope of landfills, what is the slope ratio? - ✔✔33% or 3 to 1.
✔✔Comminuted refers to - ✔✔A food that is reduced in size by chopping, grinding, etc.,
and restructured. Examples include hot dogs, sausage, salami, and bratwurst, which
are made of ground meats and filled into a casing.
✔✔What mosquito for Aedes Triseriatus? - ✔✔Eastern Treehole Mosquito
✔✔What mosquito for Culex Pipiens? - ✔✔Northern House Mosquito
✔✔What are two tests used for sewage effluent? - ✔✔CBOD5- five-day carbonaceous
biochemical oxygen demand
TSS- total suspended solids
, ✔✔What causes Typhoid - ✔✔Salmonella typhi
✔✔Bacteria that can be spread by house flies - ✔✔Musca Domestica
✔✔Food that can contain listeria monocytogenes - ✔✔Contaminated foods could
include:
unpasteurized milk
soft cheeses
vegetables
raw or undercooked poultry
deli meats
✔✔If a garbage disposal is added to a septic tank hoe much should the tank increase
by? - ✔✔50%
✔✔What does ICS stand for? - ✔✔Incident Command System
✔✔During an incident one person can effectivity supervise how many people? - ✔✔3-7
people however 5 is ideal
✔✔What is Incident Complexity - ✔✔The combination of involved factors that affect the
probability of control of an incident.
✔✔What are the 14 essential ICS Features - ✔✔Command
1- Common Terminology
2- Establishment and Transfer of Command
3- Chain of Command and Unity of Command
4- Unified Command
Planning/Organizational Structure
5- Management by Objectives
6- Modular Organization
7- Incident Action Planning
8- Manageable Span of Control
Facilities/Resources
9- Incident Locations and Facilities
10- Comprehensive Resource Management
Communications/Information Management
11- Integrated Communications
12- Information and Intelligence management
Professionalism
AND SOLUTIONS RATED A+
✔✔What is another name for Oriental cockroach? - ✔✔Water bug
✔✔What is another name for American cockroach - ✔✔Palmetto bug
✔✔The strongest pesticide control is used by? - ✔✔Dursban
✔✔What is the recommended level of cyanuric acid? - ✔✔30 to 50 ppm
Shall not exceed 70 ppm
✔✔What is the overall purpose of a site review? - ✔✔To evaluate whether a sewage
system can fit on the property
✔✔How many feet away from property lines of sewer lines of a mobile park? - ✔✔10
feet
✔✔What are the 6 air pollutants? - ✔✔ozone(O3)
carbon monoxide (CO)
nitrogen oxides(NO2)
particulate matter (PM)
sulfur dioxide(SO2)
lead(Pb).
✔✔What product takes up the most volume in landfills?
Plastics, Metals, Paper - ✔✔Paper
✔✔What is a food disease is spore former? - ✔✔Clostridium perfringens and bacillus
cereus
✔✔When doing ROP what disease is more susceptible? - ✔✔C. Botulism
✔✔What sample is used for water sampling or potable water? - ✔✔Grab
✔✔What is the OPTIMAL temperature for storing pool test kits? - ✔✔36-85 degrees?
✔✔When being exposed to or consuming chemicals, how early is the onset symptoms?
- ✔✔Less than 1 hour
✔✔Flea/file penetrate how many inches of soil of compaction? - ✔✔6 inches
,✔✔What is/are Prevailing winds? - ✔✔Prevailing winds blow predominantly from a
single general direction over a particular point on the Earth's surface.
✔✔What does SDS stand for? - ✔✔Safety Data Sheet
✔✔What temperature is best for chlorine-washing dishes? - ✔✔75 degrees
✔✔Toxic lead exposure levels
Blood
Air
Water - ✔✔Blood: 10mg/dl
Air: 0.15 ml/m3
Water 15mg/L
✔✔Sludge may be dumped in the following places except?
Landfills, sewer systems, ocean - ✔✔ocean
✔✔How much water is filtered during determining Giardia Cysts are present? - ✔✔500
gallons/1.0micrometer
✔✔Institution is considered to be a what? - ✔✔Facility
✔✔Influenza is spread by? - ✔✔direct contact
✔✔Indoor air quality at a facility: Some people are experiencing headaches, watery
eyes, and throat symptoms/problems. This is most likely due to what? - ✔✔HVAC or
dust and pollen contaminates?
✔✔What shall the swimming pool-related fecal matter incident do? - ✔✔Super
chlorinate; 20 ppm for at least 12.5 Hours.
✔✔Slope of landfills, what is the slope ratio? - ✔✔33% or 3 to 1.
✔✔Comminuted refers to - ✔✔A food that is reduced in size by chopping, grinding, etc.,
and restructured. Examples include hot dogs, sausage, salami, and bratwurst, which
are made of ground meats and filled into a casing.
✔✔What mosquito for Aedes Triseriatus? - ✔✔Eastern Treehole Mosquito
✔✔What mosquito for Culex Pipiens? - ✔✔Northern House Mosquito
✔✔What are two tests used for sewage effluent? - ✔✔CBOD5- five-day carbonaceous
biochemical oxygen demand
TSS- total suspended solids
, ✔✔What causes Typhoid - ✔✔Salmonella typhi
✔✔Bacteria that can be spread by house flies - ✔✔Musca Domestica
✔✔Food that can contain listeria monocytogenes - ✔✔Contaminated foods could
include:
unpasteurized milk
soft cheeses
vegetables
raw or undercooked poultry
deli meats
✔✔If a garbage disposal is added to a septic tank hoe much should the tank increase
by? - ✔✔50%
✔✔What does ICS stand for? - ✔✔Incident Command System
✔✔During an incident one person can effectivity supervise how many people? - ✔✔3-7
people however 5 is ideal
✔✔What is Incident Complexity - ✔✔The combination of involved factors that affect the
probability of control of an incident.
✔✔What are the 14 essential ICS Features - ✔✔Command
1- Common Terminology
2- Establishment and Transfer of Command
3- Chain of Command and Unity of Command
4- Unified Command
Planning/Organizational Structure
5- Management by Objectives
6- Modular Organization
7- Incident Action Planning
8- Manageable Span of Control
Facilities/Resources
9- Incident Locations and Facilities
10- Comprehensive Resource Management
Communications/Information Management
11- Integrated Communications
12- Information and Intelligence management
Professionalism