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Build my nuts in your face > air quality > Flashcards

air quality Flashcards

1
Q

what is comfort to occupants

A

can mean different things to different people, but it is to carry out any activity without feeling to hot or cold

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2
Q

what factors affect environmental variables

A
  • Room temp
  • airflow
  • humidity
  • radiation
  • indoor air quality
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3
Q

what is good air quality

A
  • sufficient oxygen
  • absence of impurities
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4
Q

what are impurities in the air

A
  • dust
  • pollen
  • odors
  • hazardous mats
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5
Q

OSHA?

A

occupational safety and health administration

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6
Q

ASHRAE

A

American society of heating, refrigeration, and air conditioning engineers

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7
Q

IEQ

A

indoor environmental quality

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8
Q

WHO

A

WORLD HEALTH ORGANIZATION

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9
Q

what percent is BRI and what percent is SBS

A

BRI 25%, BSB 75%

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10
Q

what is BRI

A

llness from exposure to biological,physical, chemical agents

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11
Q

3 catergories of BRI

A
  • airborne infectious dieseases
    -hypersensitivity diseases
  • toxic reactions
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12
Q

what are some infectious airborne diseases

A
  • pontiac fever
  • tuberculosis
  • measles
  • rubella
  • chicken pox
  • influenza
  • common cold
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13
Q

hypersensitivity diseases

A
  • allergic asthma
  • allergic rhinitis
  • hypersensitivity pneumonitis
  • skin disorder
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14
Q

toxic reactions

A
  • carbon monoxide
  • pesticides
  • poor organ function
  • cancer
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15
Q

SBS symptoms

A
  • eye nose throat irritation
  • sensation of dry mucous membranes
  • dry, itching, red skin
  • headaches / mental fatigue
  • airway infections and cough
  • nausea and diziness
  • unspecific hypersensitivity
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16
Q

how much money loss do to SBS

A
  • 1-4 billion allergies and asthma
  • 6-9 billion respiratory disease
  • 10-20 billion SBS symptoms
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17
Q

SBS often found in…

A
  • mechanical ventilated buildings
  • buildings with carpets
  • buildings built in 1970s
  • public sector buildings
  • open-plan spaces
  • ventilation rate lvl
  • perception of stuffy or dry air
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18
Q

what is the minimum recomended ventilation rate

A

10 liters/second/person

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19
Q

SBS symptoms associated with

A
  • air conditioning
  • job stress
  • allergies/asthma
  • low ventilation rates
  • carpets
  • occupant density
  • video display terminal use (VDT)
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20
Q

indoor pollutants

A
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21
Q

combustion products

A

from heating and cooking
major indoor pollutant

22
Q

principle combustion

A
  • smoke
  • water vapor
  • CO2
  • CO
  • nitrogen oxides
  • SO2
  • coal smoke
  • oil fumes
23
Q

CO

A
  • colourless, odourless gas
  • from incomplete combustion
  • toxic
  • from some sort of heater
24
Q

nitrogen oxides sources

A
  • gas fueled cookers
  • fires
  • water heaters
  • space heaters
  • oil fired space heaters
25
Q

SO2

A
  • colourless, bad smell gas
  • product of coal and oil heaters
  • respiratory problems
26
Q

coal smoke

A
  • contains organic compounds
  • lung cancer
27
Q

oil fumes

A
  • cancer
28
Q

smoking health effects

A
  • fetal effects
  • cancers
  • respiratory symptoms
  • childhood asthma
  • heart diseases
  • odour and irritation
29
Q

ets

A

environmental tobacco smoke
- contains myriad chem species

30
Q

VOC

A

volatile organic compound

31
Q

VOCs source

A
  • painting operations
  • petroleum refineries
  • solvent cleaning
  • fuel storage and loading operations
  • printing operations
  • motor vehicles
32
Q

Pesticides

A
  • for flies
  • cockroaches
  • ants
  • spiders
  • kitchen and bathroom cleaners
  • room deodorizers or laundry aids
33
Q

PCB good properties

A
  • thermal stability
  • chemical inertness
  • low flammability
  • low vapour pressure at ambient temp
  • resistance to microbial degradation
34
Q

pcb used as

A
  • hydraulic systems
  • heat-transfer systems
  • lubrications oils
  • cutting oils
  • paints
  • wax extenders
  • wood coatings
35
Q

health effects of pcb

A
  • wide range of cancer
  • reproductive effects
  • neurodevelopment effects
  • immune system effect
  • dermatologic effect
36
Q

what are fiber materials used for?

A

acoustic or thermal insulating

37
Q

examples of acoustic fiber products

A
  • ceiling tiles
  • wall panels
  • interior duct lining
  • treatments applied to ceilings to absorb noise
38
Q

example of thermal fiber products

A
  • wall insulation
  • blanket insualtion
  • pipe and exterior duct insulation
  • boiler jackets
39
Q

fiber materials

A
  • asbestos
  • vitreous
  • cellulose
40
Q

asbestos health effects

A
  • asbestosis
  • lung cancer
  • mesothelioma
  • more cancer
41
Q

how to remove asbestos

A
  • removal
  • encapsulation with a suitable coating
  • enclosure behind a sealed, rigid barrier
42
Q

vitreous fiber health effects

A
  • skin irritation
  • eye irritation
  • higher risk of lung cancer
43
Q

radon?

A

natural radioactive gas, decay of uranium in earths crust
- colourless, odourless, tasteless

44
Q

where is radon found

A

soil
- can get into basement through
- cracks, joints, floor drains, areas with exposed soils
- water supple, water releases when water boils
- through certain building materials

45
Q

radon health effects

A

lung cancer
right under cigarettes for lung cancer
cant excede 800 Bq/m3

46
Q

pollen

A

component in life cycle of plants
gets in through openings in house
and pets

47
Q

health effects of pollen

A
  • hay fever
  • asthma
  • allergic dermatitis
48
Q

fungi?

A

among most important pollutants
- can cause human disease
- consumed in food

49
Q

how does fungi grow

A
  • water
  • oxygen
  • temperature within human comfort range
  • heat and humidity
50
Q

fungi health effects

A
  • infections
  • hay fever and asthma
  • allergic reactions
  • headaches
  • depression and fatigue
51
Q

how to control fungi growth

A
  • keep house dry
  • keep humidity at 35-45%
  • remove fungi with bleach and water mix
52
Q

legionnaires disease

A
  • legionella bacteria
  • hot water

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