Indoor air pollution sources
Pollutants Sources and side effects
Chloroform

Sources:
disinfectants
Side effects:
cancer

Para-dichlorobenzene Sources:
air fresheners, campers
Side effects:
cancer
Tetrachloroethylene

Sources:
vapor from cloth-dryer liquid that left in clothes
Side effects:
heart disorder, damages to kidney and herpes, cancer

Formaldehyde

Sources:
wood board frame and sofa containment 
Side effects:
eye, skin, throat and lung irritations, headache

Benzo-a-pyrene

Sources:
smoke from cigarettes and wood board
Side effects:
lung cancer

Styrene

Sources:
carpets and plastics
Side effects:
damages to kidney and herpes

Radon-222

Sources:
radioactive soil, foundation stone, water sources
Side effects:
lung cancer

Methylene chloride

Sources:
peeling paints
Side effects:
neural disorder and diabetes 

Smoke from cigarettes

Sources:
cigarettes
Side effects:
lung and respiratory system cancer, heart damage

Carbon monoxide

Sources:
kerosene cooking stove, board, damaged fire stove (in living room)
Side effects:
headache, improper heartbeats, excessive sleepiness

Nitrogen oxide

Sources:
wood board
Side effects:
lung irritation, fever to children, headache

1,1,1-Trichloroethane

Sources:
aerosol spray
Side effects:
headache and respiratory difficulties 

Asbestos

Sources:
pipe isolation and tile
Side effects:
lung damages and cancer

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