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cph lec - 3rd shifting > Water Pollution > Flashcards

Water Pollution Flashcards

1
Q

4 Fundamentals of Environmental Health

A
  1. The Environmental System
    - Man-Environmental Relationship
  2. Principles of Environmental Control
  3. Areas of Environmental Health Concerns
  4. Emerging Environmental Health Problem
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2
Q

Biggest percentage of water in the world comes from where?

A

Ocean (97.6%)

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3
Q

Biggest percentage of water use in the Philippines is used where?

A

Agriculture (85.6%)

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4
Q

Largest river in the Philippines

A

Cagayan River

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5
Q

Largest lake in the PH

A

Laguna de bay

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6
Q

Largest lake in mindanao

A

Lake lanao

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7
Q

How many percentage of the population use groundwater for drinking?

A

50%

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8
Q

Groundwater extraction is regulated by?

A

National Water Resources Board

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9
Q

It refers to major river systems that have no fishes and no life except for plants

A

Biologically dead

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10
Q

Indicate dead materials and increased phosphates in the water, which would increase the number of plants.

A

Algal blooms

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11
Q

Means whatever is not absorbed by the soil

A

Runoff

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12
Q

Bacteria that are only present in the GI tract of mammals and birds

A

Fecal coliform

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13
Q

What are the 3 principles of environmental control?

A

Isolation
Substitution
Shielding

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14
Q

Separation by distance

A

Isolation

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15
Q

Use of alternative materials, processes and operations

A

Substitution

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16
Q

Use of a barrier

A

Shielding

17
Q

_______ water cycle replenishes ground water and drinking water

A

Natural

18
Q

Water usage classification where it is intended for waters having watersheds that are uninhabited and otherwise protected, which require only approved disinfection in order to meet the PNSDW.

A

Class AA

19
Q

Water usage classification for sources of water supply that will require complete treatment (coagulation, sedimentation, filtration, disinfection) in order to meet the PNSDW.

A

Class A

20
Q

Water usage classification for primary contact recreation such as bathing, swimming, diving, etc. (particularly designed for tourism purposes).

A

Class B

21
Q

Water usage classification for fishery water, recreational water class II and industrial water supply class I

A

Class C

cph lec - 3rd shifting (2 decks)

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