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Re: GBlist: GB List: OSB question



Hi, Chris

John A. Emery of the American Plywood Association wrote a paper on
formaldehyde in composite wood panels made with phenolic resin, "Structural
Wood Panels and Formaldehyde", that you can request from APA at
(206)565-6600. It reports on formaldehyde emission levels found using a
test chamber procedure. The test procedure seems reasonable, except for the
fact that the ventilation rate was somewhat high. Allowing for that, the
emissions levels reported from new boards was under 0.1 ppm.

Best, Mike


(snip)

>Can anyone provide accurate information regarding the harmfulness of
>phenol formaldehyde in building materials?
>
(snip)

O'Brien & Associates
Environmental Building Consultants
Portland General Electric Earth Smart program
obrien@hevanet.com


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