|
Contaminant
|
Source |
| Asbestos |
- some insulation installed between 1930 and 1950
- some old wood stove door gaskets
- some vinyl floor tiles
- drywall joint compound and textured paint obtained before 1977
- cement-asbestos millboard, exterior wall shingles
- some ceiling finishing plaster installed between 1945 and 1973
- some fire retardant on structural steel
|
| Combustion by-products |
- gas range
- wood and coal stoves
- internal combustion engines
- fireplaces
- candles
|
| Tobacco Smoke |
|
| Formaldehyde |
- some particle board, plywood, pressed-board, panelling, carpeting, carpet backing
- some furniture and dyes
- urea-formaldehyde insulation foam
- some household cleaners, deodorizers
- combustion
- some glues and resins
- cosmetics
- permanent-press clothing
|
| Biologic organisms |
- fungi, including mould and mildew
- animals
- humans
|
| Radon |
- gas emitted by soil, rocks, water
- natural gas
- granite building materials
|
| Volatile organic compounds |
- solvents and cleaning compounds
- paint
- glue
- spray propellants
- fabric softeners and deodorizers and perfumes
- combustion
- dry cleaning fluid
- some fabrics
- petrol
- water outgassing
- building materials
- wax and polishing compounds
- pens and markers
- binders and plasticizers
|
