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People (exhalation, body odors, diseases) Activities (work such as cleaning, using correction fluids, carbon less paper, pest control products, and personal activities such as wear fragrances and smoking) Technology (photocopiers and laser printers) Furnishings (furniture, draperies, floor coverings) Finishes (paint, varnish, vinyl wall coverings) Building materials (caulking compounds, adhesives, wood laminates) Outdoor air quality Inadequate or contaminated air handling units Inadequate cleaning practices |

| Common Factors That Affect Indoor Air Quality: |
| More on Indoor Air Quality: |
