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Indoor Pollution

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Damage of indoor environment. Enclosed. Accumulation of pollutants. Little dilution effect ... Causes of Indoor Pollution. Non Biological ... – PowerPoint PPT presentation

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Title: Indoor Pollution


1
Indoor Pollution
  • What you may be facing more than 20 hrs a day

2
Indoor Pollution
  • We spend about 90 of our time at homes, in
    offices and other indoor environment.
  • Indoor pollution can pose great threat to
    peoples health

3
What is Indoor Pollution?
  • Air pollution dominant
  • Damage of indoor environment
  • Enclosed
  • Accumulation of pollutants
  • Little dilution effect
  • High intensity

4
Causes of Indoor Pollution
  • Non Biological
  • Chemicals (e.g. solvents in detergents/furniture
    glue/markers etc.)
  • Combustion (cigarette/fuel)
  • Vaporized oil (from cooking)
  • Radon

5
Causes of Indoor Pollution
  • Non Biological
  • Asbestos
  • Poor ventilation
  • Dust/fibers/particulates (from carpet/furniture
    etc.)
  • Insecticides

6
Causes of Indoor Pollution
  • Biological
  • Bacteria
  • Fungi and allergen growth
  • Molds

7
Causes of Indoor Pollution
  • Biological
  • Insects (e.g. dust mites)
  • Animal dander (tiny scales from hair, feathers,
    or skin)
  • Crowded environment

8
Effects of Indoor Pollution
  • Lung cancer
  • Respiratory problems
  • Asthma
  • Weakening of immune system
  • Nausea and fatigue
  • Low working efficiency
  • Headache
  • Drowsiness
  • Itchy eyes
  • Skin irritation

9
Cases of Indoor Pollution
  • Offices

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10
Cases of Indoor Pollution
  • Classrooms

11
Cases of Indoor Pollution
  • MTR

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12
Solutions
  • Improve ventilation
  • Filters
  • Air purifiers (http//www.peakpureair.com/products
    .htm) (http//www.air-purifiers-america.com/catego
    ry.asp)

13
Solutions
  • Air dehumidifiers
  • Indoor design
  • Prohibit smoking
  • Use furniture without methanal leakage

14
Solutions
  • Replace/reduce using of organic solvents
  • Prevent the use of insecticides
  • Prohibit the use of asbestos
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