Cole's EHS NEHA Exam Study Guide Questions With 100% Verified Answers
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Course
Rs/rehs neha
Institution
Rs/rehs Neha
Cole's EHS NEHA Exam Study Guide
Questions With 100% Verified Answers
How do you filter out giardia lambia? - answerRapid sand filtration
Pharmaceuticals in water treatment plants are - answerBoth solid and liquid
Which mosquito is the highest cause of encephalitis in the US? - answerCulex
Wha...
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 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
What mosquito carries malaria? - answer✔Anopheles
What cockroach is most common in urban areas - answer✔German
What was modeled after the National Emergency Response - answer✔NIMS (national incident
management system)
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