Cole's EHS NEHA Exam Study Guide exam 2023 complete 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 heat...
Organization that tests breathing apparatus - OSHA
Who is the incident commander? - The person with jurisdiction, person responsible for all
aspects of emergency response
, Cole's EHS NEHA Exam Study Guide exam 2023 complete.
What is the calculation for pool turnover rate? - 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? - Clostridium botulinum
What can you use after a national disaster? - Canned goods
Where do you store iced fish in the refrigerator? - Below ready to eat foods and above raw
meats
What is considered comminuted? - Hot dogs and hamburgers
What is bacteria that cannot grow in oxygen called? - Anaerobic
Which of these is different from the others? NSF, UL, ASNI, TLE - TLE
Freezing a toxin will have what affect? - No affect
True of false? Alpha particles are easily absorbable - True (easiest to absorb to hardest to
absorb: gamma , beta, alpha),
What can alpha particles be blocked by? - 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 - SCBA (self contained breathing
apparatus
Who regulates proper respirators? - OSHA (occupational safety and health administration)
What is the gap in an ice machine for? - Air gap to prevent backflow contamination
Giardia cyst concentration that causes disease - 500:1
What mosquito carries malaria? - Anopheles
What cockroach is most common in urban areas - German
What was modeled after the National Emergency Response - NIMS (national incident
management system)
The REHS did something that they knew was unlawful and they did it in an unapproved
way - Malfeasance
What role can REHS perform when helping with an ice machine to prevent contamination -
Create a cleaning schedule
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