Cole's EHS NEHA Exam Study Guide 2023 with complete solution

1. How do you filter out giardia lambia?: Rapid sand filtration 2. Pharmaceuticals in water treatment plants are: Both solid and liquid 3. Which mosquito is the highest cause of encephalitis in the US?: Culex 4. What is it called when milk is heated to 191-212: Pasteurization 5. Order of priority: power outage at restaurant, chlorine gas leak at pool, no hand sink at food festival: Chlorine gas, power outage, no hand sink 6. What is an antibacterial agent used on skin tissue called ?: Antiseptic 7. What is the most common cockroach in US?: German 8. What type of cockroach is referred to as a water bug?: Either American or Oriental 9. What is the minimum distance between a water line and a sewer line in a trailer park?: 10 ft 10. What is the slope for ramps determined by the Americans with Disabilities Act (ADA): 1:12 or less 11. NSF and USL are organizations that: Certify food service equipment. 12. What is the amount of soil you must put on a finished landfill: 24 inches 13. What is most likely to carry Hantavirus?: Rodents 14. Which is least likely to cause bites and itching in an urban setting: Ticks 15. What does HACCP stand for?: Hazard Analysis and Critical Control Points 16. Methemoglobinemia (a blood disorder) is caused by :: Nitrates 17. Hazardous waste : CRIT: Corrosive, reactive, ignitable, toxic 18. Organization that tests breathing apparatus: OSHA 19. Who is the incident commander?: The person with jurisdiction, person re- sponsible for all aspects of emergency response 20. What is the calculation for pool turnover rate?: Turnover rate (hours)= pool volume (gallons) / flow rate (gallons per minute) x 60 (minutes per hour) 21. Sous vide foods can lead to what foodborne illness?: Clostridium botu- linum 22. What can you use after a national disaster?: Canned goods 23. Where do you store iced fish in the refrigerator?: Below ready to eat foods and above raw meats