air quality Flashcards
(52 cards)
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
2
Q
what factors affect environmental variables
A
- Room temp
- airflow
- humidity
- radiation
- indoor air quality
3
Q
what is good air quality
A
- sufficient oxygen
- absence of impurities
4
Q
what are impurities in the air
A
- dust
- pollen
- odors
- hazardous mats
5
Q
OSHA?
A
occupational safety and health administration
6
Q
ASHRAE
A
American society of heating, refrigeration, and air conditioning engineers
7
Q
IEQ
A
indoor environmental quality
8
Q
WHO
A
WORLD HEALTH ORGANIZATION
9
Q
what percent is BRI and what percent is SBS
A
BRI 25%, BSB 75%
10
Q
what is BRI
A
llness from exposure to biological,physical, chemical agents
11
Q
3 catergories of BRI
A
- airborne infectious dieseases
-hypersensitivity diseases - toxic reactions
12
Q
what are some infectious airborne diseases
A
- pontiac fever
- tuberculosis
- measles
- rubella
- chicken pox
- influenza
- common cold
13
Q
hypersensitivity diseases
A
- allergic asthma
- allergic rhinitis
- hypersensitivity pneumonitis
- skin disorder
14
Q
toxic reactions
A
- carbon monoxide
- pesticides
- poor organ function
- cancer
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
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
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
18
Q
what is the minimum recomended ventilation rate
A
10 liters/second/person
19
Q
SBS symptoms associated with
A
- air conditioning
- job stress
- allergies/asthma
- low ventilation rates
- carpets
- occupant density
- video display terminal use (VDT)
20
Q
indoor pollutants
A
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
SO2
- colourless, bad smell gas
- product of coal and oil heaters
- respiratory problems
26
coal smoke
- contains organic compounds
- lung cancer
27
oil fumes
- cancer
28
smoking health effects
- fetal effects
- cancers
- respiratory symptoms
- childhood asthma
- heart diseases
- odour and irritation
29
ets
environmental tobacco smoke
- contains myriad chem species
30
VOC
volatile organic compound
31
VOCs source
- painting operations
- petroleum refineries
- solvent cleaning
- fuel storage and loading operations
- printing operations
- motor vehicles
32
Pesticides
- for flies
- cockroaches
- ants
- spiders
- kitchen and bathroom cleaners
- room deodorizers or laundry aids
33
PCB good properties
- thermal stability
- chemical inertness
- low flammability
- low vapour pressure at ambient temp
- resistance to microbial degradation
34
pcb used as
- hydraulic systems
- heat-transfer systems
- lubrications oils
- cutting oils
- paints
- wax extenders
- wood coatings
35
health effects of pcb
- wide range of cancer
- reproductive effects
- neurodevelopment effects
- immune system effect
- dermatologic effect
36
what are fiber materials used for?
acoustic or thermal insulating
37
examples of acoustic fiber products
- ceiling tiles
- wall panels
- interior duct lining
- treatments applied to ceilings to absorb noise
38
example of thermal fiber products
- wall insulation
- blanket insualtion
- pipe and exterior duct insulation
- boiler jackets
39
fiber materials
- asbestos
- vitreous
- cellulose
40
asbestos health effects
- asbestosis
- lung cancer
- mesothelioma
- more cancer
41
how to remove asbestos
- removal
- encapsulation with a suitable coating
- enclosure behind a sealed, rigid barrier
42
vitreous fiber health effects
- skin irritation
- eye irritation
- higher risk of lung cancer
43
radon?
natural radioactive gas, decay of uranium in earths crust
- colourless, odourless, tasteless
44
where is radon found
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
radon health effects
lung cancer
right under cigarettes for lung cancer
cant excede 800 Bq/m3
46
pollen
component in life cycle of plants
gets in through openings in house
and pets
47
health effects of pollen
- hay fever
- asthma
- allergic dermatitis
48
fungi?
among most important pollutants
- can cause human disease
- consumed in food
49
how does fungi grow
- water
- oxygen
- temperature within human comfort range
- heat and humidity
50
fungi health effects
- infections
- hay fever and asthma
- allergic reactions
- headaches
- depression and fatigue
51
how to control fungi growth
- keep house dry
- keep humidity at 35-45%
- remove fungi with bleach and water mix
52
legionnaires disease
- legionella bacteria
- hot water
