Re: Dust Masks

["Wendell Rahorst" <rahorst@home.com>]

To everyone who has been following the dust mask thread,

The new OSHA respiratory standard authorizes the use of condensation nuclei
counters as an acceptable type of instrument to perform quantitative fit
testing.  OSHA does not certify or approve any particular instruments.

The TSI N-95 Companion is a condensation nuclei counter and therefore
acceptable to OSHA for  quantitative fit testing.

Wendell Rahorst, CIH
President
Quan'Fit, L.L.C.
E-mail rahorst@quanfit.com
Webpage http://www.quanfit.com




>
> As a follow-up note to Mr. Rehorst's posting, it is my understanding that
> the PortaCount Companion for testing N/R/P-95 filtering facepieces has not
> been validated, that is has not been proven satisfactory to OSHA.  If this
> is true, licensees would be advised to wait before purchasing this device
> until OSHA has accepted it in writing.
>
> K. Paul Steinmeyer
>
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