Free Republic
Browse · Search
News/Activism
Topics · Post Article

To: Mears
Sources of Indoor Air Contaminants

Source: OSHA  http://www.osha-slc.gov/FedReg_osha_data/FED19940405.html
A wide variety of substances are emitted by building construction materials and interior furnishings, appliances, office equipment, and supplies, human activities, and biological agents.

For example, formaldehyde is emitted from various wood products, including particle board, plywood, pressed-wood, paneling, some carpeting and backing, some furniture and dyed materials, urea-formaldehyde insulating foam, some cleaners and deodorizers, and from press textiles. Volatile organic compounds, including alkanes, aromatic hydrocarbons, esters, alcohols, aldehydes, and ketones are emitted from solvents and cleaning compounds, paints, glues, caulks, and resins, spray propellants, fabric softeners and deodorizers, unvented combustion sources, dry-cleaning fluids, arts and crafts, some fabrics and furnishings,
stored gasoline, cooking, building and roofing materials, waxes and polishing compounds, pens and markers, binders and plasticizers. Pesticides also contain a variety of toxic organic compounds.

Building materials are point sources of emissions that include a variety of VOCs (Table
III-1).

Some of these materials have been linked to indoor air quality problems. The probability of a source emitting contaminants is related to the age of the material. The newer the material, the higher the potential for emitting contaminants. These materials include adhesives, carpeting, caulks, glazing compounds, and paints [Ex. 4-33]. These materials, as well as
furnishings can act as a sponge or sink in which VOCs are absorbed and then re-emitted later.

Appliances, office equipment, and supplies can emit VOCs and also particulates [Ex.
4-33]. Table III-2 lists the many contaminants that can be emitted from these point sources.
There is an indirect relationship between the age of the point source and the potential rate of
contaminant emission [Ex. 4-33].

It goes on to list all the "evils" in our home.

37 posted on 01/03/2004 12:02:15 PM PST by SheLion (Curiosity killed the cat BUT satisfaction brought her back!!!)
[ Post Reply | Private Reply | To 32 | View Replies ]


To: *all
Here is the link. I forgot to add the other link.

Sources of Indoor Air Contaminants

38 posted on 01/03/2004 12:03:49 PM PST by SheLion (Curiosity killed the cat BUT satisfaction brought her back!!!)
[ Post Reply | Private Reply | To 37 | View Replies ]

To: SheLion
That's unbelievable.

And many of these toxins are in buildings where you can't even open a window and have to breathe re-circulated air all day.

THe antis never look at those facts,though,it might dilute their agenda.
39 posted on 01/03/2004 12:06:15 PM PST by Mears
[ Post Reply | Private Reply | To 37 | View Replies ]

Free Republic
Browse · Search
News/Activism
Topics · Post Article


FreeRepublic, LLC, PO BOX 9771, FRESNO, CA 93794
FreeRepublic.com is powered by software copyright 2000-2008 John Robinson