Cole’s EHS NEHA Exam Study Guide (Q’s & A’s)
100% Verified
How do you filter out giardia lambia? - Rapid sand filtration
Pharmaceuticals in water treatment plants are - Both solid and liquid
Which mosquito is the highest cause of encephalitis in the US? - Culex
What is it called when mi...
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 (Q’s & A’s)
100% Verified
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),
, Cole’s EHS NEHA Exam Study Guide (Q’s & A’s)
100% Verified
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
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