| Containment | Maximum Allowed | Major Indoor Source |
|---|---|---|
| Formaldehyde | 50 ppbV | Composite wood products such as plywood, particleboard, furnishings, wallpaper, durable press fabrics, paints, combustion appliances, tobacco smoke |
| Particulates (pM10) | 50 µg/m3 | Cigarettes, Wood Stoves, Fireplaces, aerosol sprays, house dusts |
| Total Volatile Organic Compounds (TVOC) | 500 µg/m3 | Paints and lacquers, paint strippers, cleaning supplies, pesticides, building materials and furnishings, printers, correction fluids and carbonless copy paper, glues and adhesives, permanent markers, and photographic |
| 4-phenylcyclohexene (4-pCH) | 6.5 µg/m3 | Carpets and fabrics with Styrene butadiene rubber (SBR) |
| Carbon Monoxide | 9 ppmV and no greater than 2 ppmV above outdoor levels | Unvented/malfunctioning gas & propane appliances, fireplaces, vehicles in garages |
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