Cole's EHS NEHA Exam Study Guide with Complete Solutions Latest Updated 2024/2025 How do you filter out giardia lambia? - Correct Answer Rapid sand filtration Pharmaceuticals in water treatment plants are - Correct Answer Both solid and liquid Which mosquito is the highest cause of encephalitis in the US? - Correct Answer Culex What is it called when milk is heated to 191-212 - Correct Answer Pasteurization Order of priority: power outage at restaurant, chlorine gas leak at pool, no hand sink at food festival - Correct Answer Chlorine gas, power outage, no hand sink What is an antibacterial agent used on skin tissue called ? - Correct Answer Antiseptic What is the most common cockroach in US? - Correct Answer German What type of cockroach is referred to as a water bug? - Correct Answer Either American or Oriental What is the minimum distance between a water line and a sewer line in a trailer park? - Correct Answer 10 ft What is the slope for ramps determined by the Americans with Disabilities Act (ADA) - Correct Answer
1:12 or less
NSF and USL are organizations that - Correct Answer Certify food service equipment.What is the amount of soil you must put on a finished landfill - Correct Answer 24 inches What is most likely to carry Hantavirus? - Correct Answer Rodents 1 / 3
Which is least likely to cause bites and itching in an urban setting - Correct Answer Ticks What does HACCP stand for? - Correct Answer Hazard Analysis and Critical Control Points
Methemoglobinemia (a blood disorder) is caused by : - Correct Answer Nitrates
Hazardous waste : CRIT - Correct Answer Corrosive, reactive, ignitable, toxic
Organization that tests breathing apparatus - Correct Answer OSHA Who is the incident commander? - Correct Answer The person with jurisdiction, person responsible for all aspects of emergency response What is the calculation for pool turnover rate? - Correct 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? - Correct Answer Clostridium botulinum What can you use after a national disaster? - Correct Answer Canned goods Where do you store iced fish in the refrigerator? - Correct Answer Below ready to eat foods and above raw meats What is considered comminuted? - Correct Answer Hot dogs and hamburgers What is bacteria that cannot grow in oxygen called? - Correct Answer Anaerobic Which of these is different from the others? NSF, UL, ASNI, TLE - Correct Answer TLE 2 / 3
Freezing a toxin will have what affect? - Correct Answer No affect True of false? Alpha particles are easily absorbable - Correct Answer True (easiest to absorb to hardest
to absorb: gamma , beta, alpha),
What can alpha particles be blocked by? - Correct 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 - Correct Answer SCBA (self contained breathing apparatus Who regulates proper respirators? - Correct Answer OSHA (occupational safety and health administration) What is the gap in an ice machine for? - Correct Answer Air gap to prevent backflow contamination
Giardia cyst concentration that causes disease - Correct Answer 500:1
What mosquito carries malaria? - Correct Answer Anopheles What cockroach is most common in urban areas - Correct Answer German What was modeled after the National Emergency Response - Correct Answer NIMS (national incident management system) The REHS did something that they knew was unlawful and they did it in an unapproved way - Correct Answer Malfeasance What role can REHS perform when helping with an ice machine to prevent contamination - Correct Answer Create a cleaning schedule
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