| Pollutant or Pollutant Class | Potential Sources | | Environmental Tobacco Smoke | Lighted cigarettes, cigars, pipes | | Combustion Contaminants | Furnaces, generators, gas or kerosene space heaters, tobacco products, outdoor air, vehicles. | | Biological Contaminants | Wet or damp materials, cooling towers, humidifiers, cooling coils or drain pans, damp duct insulation or filters, condensation, re-entrained sanitary exhausts, bird droppings, cockroaches or rodents, dustmites on upholstered furniture or carpeting, body odors. | | Volatile Organic Compounds (VOCs) | Paints, stains, varnishes, solvents, pesticides, adhesives, wood preservatives, waxes, polishes, cleansers, lubricants, sealants, dyes, air fresheners, fuels, plastics, copy machines, printers, tobacco products, perfumes, dry cleaned clothing. | | Formaldehyde | Particle board, plywood, cabinetry, furniture, fabrics. | | Soil gases (radon, sewer gas, VOCs, methane) | Soil and rock (radon), sewer drain leak, dry drain traps, leaking underground storage tanks, land fill | | Pesticides | Termiticides, insecticides, rodenticides, fungicides, disinfectants, herbicides. | | Particles and Fibers | Printing, paper handling, smoking and other combustion, outdoor sources, deterioration of materials, construction/renovation, vacuuming, insulation. |
Full Table from EPA Here. |