Trickling filter basics
Attached to biological slime layer to reduce BOD
-Considered "secondary" treatment
-Uses nitrification
Waste generation
Materials recovered and discards
The energy of ionizing radiation is measured in ___?
Electron volts (eV)
mm/Hg measures ___?
Va...
SANITARIAN TEST PART 2
Trickling filter basics - correct answer Attached to biological slime layer to reduce
BOD
-Considered "secondary" treatment
-Uses nitrification
Waste generation - correct answer Materials recovered and discards
The energy of ionizing radiation is measured in ___? - correct answer Electron
volts (eV)
Listeriosis is commonly associated with? - correct answer Contaminated food
Best way to remove algae growth - correct answer Remove phosphorus
The BEST sanitary landfill method for a location with rolling terrain is the: -
correct answer Area or ramp method
Nutrients associated with eutrophication does not include ___ - correct answer
Potassium
Spread through mosquito bites-most commonly in aedes/a.aegypti - correct
answer Chikungunya
Sludge accumulation in a tank serving a normal home has been estimated at: -
correct answer 18-21 gallons/per person/per year
, Best test for water quality? - correct answer 5-day BOD
Best way to remove vapors? - correct answer Activated charcoal
Hemolytic uremic syndrome is caused by - correct answer Escherichia coli
O157:H7 (E.coli)
Most likely cause of leptospirosis? - correct answer Inhalation of rat urine
Term used to show the exposure of large populations to low-level radiation? -
correct answer Person-rem
The emergency planning and community "Right-to-know-act" (SARA title 3) does
not require the disclosure of the type and quantity of :___? - correct answer All
chemicals routinely discharged into the atmosphere
What classifies as a toxic substance according to the EPA? - correct answer
When material is composed of clear toxic material and/or it is listed as a
hazardous chemical
Why are traps used in residential sewage systems? - correct answer To prevent
sewer gas from entering homes
Feeling ill after 4 hours of eating at a restaurant? - correct answer
Staphylococcus Aureus
What factor would least contribute to the emergence of a new infectious disease?
A.) Human behavior
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