NEHA Exam UPDATED Exam Questions
and CORECT Answers
Slow Sand Filter or 1 Micron - CORRECT ANSWER - How Do you Filter out Giardia
Lambia?
CDC - CORRECT ANSWER - What agencies respond to bioterrorism Attacks?
10 Ft. - CORRECT ANSWER - What is the minimum distance between a water line and a
sewer line in a trailer park?
High Nitrates - CORRECT ANSWER - Methemoglobinemia is caused by what?
Interview complainant - CORRECT ANSWER - What is the first thing you do if you
suspect several coworkers ill from Sick Building Syndrome?
1. Pest Free
2. Clean
3. dry
4. Safe
5. Maintained
6. Ventilated
7. Contaminant free - CORRECT ANSWER - What are the Tenets of healthy housing and
how many?
Open receptacle with an air gap - CORRECT ANSWER - What should an ice machine
disposal hook up to?
,A carcinogen - CORRECT ANSWER - A factor or agent which has a known increase
cancer risk?
24 yrs - CORRECT ANSWER - Between 26 B.C. & 395 A.D. the average life expectancy
was?
NASA - CORRECT ANSWER - Who created the HACCP?
Hazard Analysis Critical Control Point (HACCP) - CORRECT ANSWER - What does
HACCP stand for?
MRSA (staphlococus Aureus)
Hep B & Hep C - CORRECT ANSWER - What can be found at a tattoo shop?
1:12 - CORRECT ANSWER - What is the slope for ramps determined by the American
with Disabilities Act?
82 million - CORRECT ANSWER - By how many millions of people is the population
increasing?
Ventilation and cleanliness - CORRECT ANSWER - What is the best way to minimize
odors in a privy or latrine?
EPA Certified Plant Manager - CORRECT ANSWER - What is not required at a
wastewater treatment plant?
Skin/eye irritation, cloudy water, poor chlorine performance - CORRECT ANSWER -
What happens if alkalinity is too low in pools?
,Slacking - CORRECT ANSWER - Moderating temperature of food by allowing it to
gradually increase from frozen temp to not so frozen?
4 hrs - CORRECT ANSWER - Ham sandwich prepared by caterer must be discarded after
how many hours?
Psuedomonas areuginosa - CORRECT ANSWER - Which if these is cause of swimmers
itch?
amount of asbestos - CORRECT ANSWER - Which of these is not a concern of silicosis
Lowest Classroom - CORRECT ANSWER - What part of schools should you test for
radon?
ceramic tiles - CORRECT ANSWER - Which of these would be least likely to contain
asbestos?
1. CO2
2. Pb
3. 03
4. NO2
5. SO2
6. Particulate matter - CORRECT ANSWER - What are the 6 criteria pollutants of air?
hotdogs/ hamburgers - CORRECT ANSWER - What are considered comminuted?
Above raw meat and below ready to eat foods - CORRECT ANSWER - Where do you
store iced fish in a refrigerator?
, a Piece of paper - CORRECT ANSWER - What can alpha particles be blocked by?
no effect - CORRECT ANSWER - Freezing a toxin will have what effect?
T-Toxicity
R- Reactivity
I- Ignitability
C- Corrosivity
Characteristics of hazardous waste. - CORRECT ANSWER - What is TRIC?
Biological Oxygen Demand (BOD) - CORRECT ANSWER - What determines sewage
strength?
1. Evacuate
2. Close
3. Drain
4. Scrub/disinfect
5. Refill - CORRECT ANSWER - What do you do when you have a Diarrheal Fecal
Incident?
Non-corrosive materials - CORRECT ANSWER - What keeps septic tanks from leaking?
Higher BOD - CORRECT ANSWER - Adding a garbage disposal will have what effect?
Mound - CORRECT ANSWER - What would be best septic design for an area with a
water table at 6in
and CORECT Answers
Slow Sand Filter or 1 Micron - CORRECT ANSWER - How Do you Filter out Giardia
Lambia?
CDC - CORRECT ANSWER - What agencies respond to bioterrorism Attacks?
10 Ft. - CORRECT ANSWER - What is the minimum distance between a water line and a
sewer line in a trailer park?
High Nitrates - CORRECT ANSWER - Methemoglobinemia is caused by what?
Interview complainant - CORRECT ANSWER - What is the first thing you do if you
suspect several coworkers ill from Sick Building Syndrome?
1. Pest Free
2. Clean
3. dry
4. Safe
5. Maintained
6. Ventilated
7. Contaminant free - CORRECT ANSWER - What are the Tenets of healthy housing and
how many?
Open receptacle with an air gap - CORRECT ANSWER - What should an ice machine
disposal hook up to?
,A carcinogen - CORRECT ANSWER - A factor or agent which has a known increase
cancer risk?
24 yrs - CORRECT ANSWER - Between 26 B.C. & 395 A.D. the average life expectancy
was?
NASA - CORRECT ANSWER - Who created the HACCP?
Hazard Analysis Critical Control Point (HACCP) - CORRECT ANSWER - What does
HACCP stand for?
MRSA (staphlococus Aureus)
Hep B & Hep C - CORRECT ANSWER - What can be found at a tattoo shop?
1:12 - CORRECT ANSWER - What is the slope for ramps determined by the American
with Disabilities Act?
82 million - CORRECT ANSWER - By how many millions of people is the population
increasing?
Ventilation and cleanliness - CORRECT ANSWER - What is the best way to minimize
odors in a privy or latrine?
EPA Certified Plant Manager - CORRECT ANSWER - What is not required at a
wastewater treatment plant?
Skin/eye irritation, cloudy water, poor chlorine performance - CORRECT ANSWER -
What happens if alkalinity is too low in pools?
,Slacking - CORRECT ANSWER - Moderating temperature of food by allowing it to
gradually increase from frozen temp to not so frozen?
4 hrs - CORRECT ANSWER - Ham sandwich prepared by caterer must be discarded after
how many hours?
Psuedomonas areuginosa - CORRECT ANSWER - Which if these is cause of swimmers
itch?
amount of asbestos - CORRECT ANSWER - Which of these is not a concern of silicosis
Lowest Classroom - CORRECT ANSWER - What part of schools should you test for
radon?
ceramic tiles - CORRECT ANSWER - Which of these would be least likely to contain
asbestos?
1. CO2
2. Pb
3. 03
4. NO2
5. SO2
6. Particulate matter - CORRECT ANSWER - What are the 6 criteria pollutants of air?
hotdogs/ hamburgers - CORRECT ANSWER - What are considered comminuted?
Above raw meat and below ready to eat foods - CORRECT ANSWER - Where do you
store iced fish in a refrigerator?
, a Piece of paper - CORRECT ANSWER - What can alpha particles be blocked by?
no effect - CORRECT ANSWER - Freezing a toxin will have what effect?
T-Toxicity
R- Reactivity
I- Ignitability
C- Corrosivity
Characteristics of hazardous waste. - CORRECT ANSWER - What is TRIC?
Biological Oxygen Demand (BOD) - CORRECT ANSWER - What determines sewage
strength?
1. Evacuate
2. Close
3. Drain
4. Scrub/disinfect
5. Refill - CORRECT ANSWER - What do you do when you have a Diarrheal Fecal
Incident?
Non-corrosive materials - CORRECT ANSWER - What keeps septic tanks from leaking?
Higher BOD - CORRECT ANSWER - Adding a garbage disposal will have what effect?
Mound - CORRECT ANSWER - What would be best septic design for an area with a
water table at 6in
