Environmental Health — Flashcards

Flashcard 101: horrocks apparatus contains _____ cups

Answer: 6

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Flashcard 102: f88ddafee050488590dfb35b04ed01d4-ao-2

Answer: safe water qualities mg/l = ppm

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Flashcard 103: Instrument used to measure radiant heat: 1. Identify → _____ 2. Uses → _____

Answer: Globe thermometer

Flashcard 104: Airborne particle (droplet nuclei) size is _____

Answer: < 5 microns

Extra: Droplet nuclei (airborne transmission) are typically < 5 microns in size and can remain suspended in the air for long periods. Particles > 5 microns are considered droplets (droplet transmission). In environmental health, PM10 refers to particles < 10 microns which are inhalable.

Flashcard 105: 3323f70f79e14b3cbe3e2902781bf872-ao-3

Answer: sand filters

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Flashcard 106: McArdle index depends on _____

Answer: CET (Corrected Effective Temperature)

Flashcard 107: organic waste is called _____

Answer: garbage

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Flashcard 108: _____ is the sum of grit index and soiling index

Answer: Air pollution index

Extra: The Air Pollution Index is sometimes calculated as the sum of the grit index (larger particles) and the soiling index (smaller smoke particles). Coefficient of Haze (COH) is actually a unit/measure used for the soiling index itself.

Flashcard 109: examples of larvivorus fishes

Answer: Gambusia Poecilia (Guppy)

Extra: Gambusia affinis and Poecilia reticulata are the most commonly used larvivorous fish for biological control of mosquito larvae.

Flashcard 110: bleaching powder gives _____% chlorine

Answer: 33

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