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Flashcards in Test 1 Deck (100)
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0

The first air pollution regulation

Reg 308
Later replaced by Reg 419

1

True or false

Any new modifications to factories/industrial processors require a new ECA/CofA

True

2

Natural sources of pollutants

Wind blown dust
Volcanic ash and gases
Ozone (lightning)
Esters/turpenes from vegetation
Smoke/gases from forest fires
Pollens
Gases from decomp
Natural radioactivity

3

True or false

Esters and turpenes are examples of aromatic hydrocarbons

True

Eg smoky mountains

4

Five main classes of pollutants

Particulates
Carbon monoxide
Hydrocarbons
Nitrogen oxides
Sulphur oxides

5

Acid rain, global warming, ozone depletion and the greenhouse effect are all examples of...

Man-made pollution

6

3 forms of air-contaminating processes

Combustion
Vaporization
Mechanical attrition

7

Generating heat and electrical energy from the use of fossil fuels and waste materials for warmth, metal melting, food processing, incineration, motive power

Combustion

8

Combustion pollution can be reduced by...

Better engineering (using more O2)
Burning cleaner fuels

9

The 3 Ts of combustion

Time
Temperature
Turbulence

10

Inducing physical changes in substances through the application of heat and pressure, causing component material to become airborne and emit into atmosphere

Vaporization

11

True or false

Fuming occurs at normal atmospheric temperature and pressure

False

Fuming is a result of induced temperatures... Commonly metals, metal oxides, chlorides. Fumes often contain solids like ash, carbon and gases (eg sulphur dioxide)

12

True or false

Petroleum derivatives have high vapour pressures and will evaporate within normal atmospheric temperature ranges.

True

13

Evaporation and fumigation

Vaporization

14

The decomposition of organic materials is an example of what contaminating proccess?

Vaporization

15

Mechanical attrition

Crushing, grinding, demolishing, eg. And directly/indirectly dispersing particulates like dusts and mists into the atmosphere

16

__________ may contain contaminants in solution or suspension

Mist droplets

17

Contaminating substances causing air pollution are summarized into 3 states

Aerosols/particulates
Organic gases
Inorganic gases

18

Larger than a single molecule, but smaller than 500 micrometers in diameter

A particle

19

A particle that ranges between 10 micrometers to less than .01 micrometer

An aerosol

20

True or false

Most aerosols are considered to be less than one micrometer in diameter

True

21

Size of a raindrop

400-5000 micrometers

22

Size of a fog droplet

5-60 micrometers

23

Size of bacteria

1-25 micrometers

24

Size of a virus

.01-.1 micrometers

25

Barely visible to the naked eye

Particles less than 10 micrometers in diameter

26

Particulates are responsible for 2 basic types of air pollution problems

Deposition
Adhesion

27

The difference between deposition and adhesion

Deposition-particulates causing corrosion, damage to property, injury to vegetation

Adhesion- particulates adhering to respiratory tissue

28

Visible emissions offenses

20% opacity at a certain length of time

29

Unburned carbonaceous particulates around 1 micrometer consisting of soot, fly-ash and other solids/liquids

Smoke