Formaldehyde Foam insulation inside walls, particle board, plywood. Respiratory tract irritation, cancer.
Radon Comes from the earth through cracks in the foundation and from well water.
Carbon monoxide Gas appliances, fireplaces, wood stoves, tobacco smoke. Blocks oxygen from the body, progressively causing fatigue, headaches, confusion, nausea, dizziness and death Nitrogen dioxide Gas appliances, fireplaces, wood stoves. Biological agents, such as mold, mildew and fungus Improperly maintained air ducts, air conditioners,humidifiers, dehumidifiers, air filters and carpets. Diseases characterized by watery eyes, sneezing, lethargy, rashes coughing, and breathing and digestive problems. Organic compounds, such as ammonia benzene, chlorine and acetone Cleaners, waxes, paint,pesticides,adhesives, insulation, plywood, furniture, chlorine, mothballs, dry-cleaned items and automobiles.