Cole's EHS NEHA Exam Study Guide Exam (Q’s
& A’s)
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 call...
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
, Cole's EHS NEHA Exam Study Guide Exam (Q’s
& A’s)
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
, Cole's EHS NEHA Exam Study Guide Exam (Q’s
& A’s)
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
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