Cole's EHS NEHA Exam Study Guide
|Updated Questions And Verified Answers
GRADED A+
QUESTIONS & ANSWERS
How do you filter out giardia lambia? ANSWER -Rapid sand filtration
Pharmaceuticals in water treatment plants are ANSWER -Both solid and liquid
Which mosquito is the highest cause of encephalitis in the US? ANSWER -Culex
What is it called when milk is heated to 191-212 ANSWER -Pasteurization
Order of priority: power outage at restaurant, chlorine gas leak at pool, no hand sink
at food festival ANSWER -Chlorine gas, power outage, no hand sink
What is an antibacterial agent used on skin tissue called ? ANSWER -Antiseptic
What is the most common cockroach in US? ANSWER -German
What type of cockroach is referred to as a water bug? ANSWER -Either American or
Oriental
What is the minimum distance between a water line and a sewer line in a trailer
park? ANSWER -10 ft
What is the slope for ramps determined by the Americans with Disabilities Act (ADA)
ANSWER -1:12 or less
,NSF and USL are organizations that ANSWER -Certify food service equipment.
What is the amount of soil you must put on a finished landfill ANSWER -24 inches
What is most likely to carry Hantavirus? ANSWER -Rodents
Which is least likely to cause bites and itching in an urban setting ANSWER -Ticks
What does HACCP stand for? ANSWER -Hazard Analysis and Critical Control
Points
Methemoglobinemia (a blood disorder) is caused by : ANSWER -Nitrates
Hazardous waste : CRIT ANSWER -Corrosive, reactive, ignitable, toxic
Organization that tests breathing apparatus ANSWER -OSHA
Who is the incident commander? ANSWER -The person with jurisdiction, person
responsible for all aspects of emergency response
What is the calculation for pool turnover rate? ANSWER -Turnover rate (hours)=
pool volume (gallons) / flow rate (gallons per minute) x 60 (minutes per hour)
Sous vide foods can lead to what foodborne illness? ANSWER -Clostridium
botulinum
What can you use after a national disaster? ANSWER -Canned goods
Where do you store iced fish in the refrigerator? ANSWER -Below ready to eat foods
and above raw meats
, What is considered comminuted? ANSWER -Hot dogs and hamburgers
What is bacteria that cannot grow in oxygen called? ANSWER -Anaerobic
Which of these is different from the others? NSF, UL, ASNI, TLE ANSWER -TLE
Freezing a toxin will have what affect? ANSWER -No affect
True of false? Alpha particles are easily absorbable ANSWER -True (easiest to
absorb to hardest to absorb: gamma , beta, alpha),
What can alpha particles be blocked by? ANSWER -A sheet of paper (beta can pass
through paper, stopped by aluminum. Gamma is difficult to stop, needs concrete or
other heavy shielding
What kind of respirator do you need in 15% oxygen ANSWER -SCBA (self contained
breathing apparatus
Who regulates proper respirators? ANSWER -OSHA (occupational safety and
health administration)
What is the gap in an ice machine for? ANSWER -Air gap to prevent backflow
contamination
Giardia cyst concentration that causes disease ANSWER -500:1
What mosquito carries malaria? ANSWER -Anopheles
What cockroach is most common in urban areas ANSWER -German
|Updated Questions And Verified Answers
GRADED A+
QUESTIONS & ANSWERS
How do you filter out giardia lambia? ANSWER -Rapid sand filtration
Pharmaceuticals in water treatment plants are ANSWER -Both solid and liquid
Which mosquito is the highest cause of encephalitis in the US? ANSWER -Culex
What is it called when milk is heated to 191-212 ANSWER -Pasteurization
Order of priority: power outage at restaurant, chlorine gas leak at pool, no hand sink
at food festival ANSWER -Chlorine gas, power outage, no hand sink
What is an antibacterial agent used on skin tissue called ? ANSWER -Antiseptic
What is the most common cockroach in US? ANSWER -German
What type of cockroach is referred to as a water bug? ANSWER -Either American or
Oriental
What is the minimum distance between a water line and a sewer line in a trailer
park? ANSWER -10 ft
What is the slope for ramps determined by the Americans with Disabilities Act (ADA)
ANSWER -1:12 or less
,NSF and USL are organizations that ANSWER -Certify food service equipment.
What is the amount of soil you must put on a finished landfill ANSWER -24 inches
What is most likely to carry Hantavirus? ANSWER -Rodents
Which is least likely to cause bites and itching in an urban setting ANSWER -Ticks
What does HACCP stand for? ANSWER -Hazard Analysis and Critical Control
Points
Methemoglobinemia (a blood disorder) is caused by : ANSWER -Nitrates
Hazardous waste : CRIT ANSWER -Corrosive, reactive, ignitable, toxic
Organization that tests breathing apparatus ANSWER -OSHA
Who is the incident commander? ANSWER -The person with jurisdiction, person
responsible for all aspects of emergency response
What is the calculation for pool turnover rate? ANSWER -Turnover rate (hours)=
pool volume (gallons) / flow rate (gallons per minute) x 60 (minutes per hour)
Sous vide foods can lead to what foodborne illness? ANSWER -Clostridium
botulinum
What can you use after a national disaster? ANSWER -Canned goods
Where do you store iced fish in the refrigerator? ANSWER -Below ready to eat foods
and above raw meats
, What is considered comminuted? ANSWER -Hot dogs and hamburgers
What is bacteria that cannot grow in oxygen called? ANSWER -Anaerobic
Which of these is different from the others? NSF, UL, ASNI, TLE ANSWER -TLE
Freezing a toxin will have what affect? ANSWER -No affect
True of false? Alpha particles are easily absorbable ANSWER -True (easiest to
absorb to hardest to absorb: gamma , beta, alpha),
What can alpha particles be blocked by? ANSWER -A sheet of paper (beta can pass
through paper, stopped by aluminum. Gamma is difficult to stop, needs concrete or
other heavy shielding
What kind of respirator do you need in 15% oxygen ANSWER -SCBA (self contained
breathing apparatus
Who regulates proper respirators? ANSWER -OSHA (occupational safety and
health administration)
What is the gap in an ice machine for? ANSWER -Air gap to prevent backflow
contamination
Giardia cyst concentration that causes disease ANSWER -500:1
What mosquito carries malaria? ANSWER -Anopheles
What cockroach is most common in urban areas ANSWER -German
