In addition to Harry Elston's comment I would suggest that this is NOT "different from the use of an air shower to remove dust and dirt from people"s clothing as they enter a clean room." It is older technology being applied to nano, as many older technologies are, only it is applied to leaving the controlled space rather than entering. Since the effectiveness of the process is reasonably well established for protecting a clean room environment, the question is - how does it do with nanoparticles? Are there any concrete studies?

Peter Zavon, CIH
Penfield, NY

PZAVON**At_Symbol_Here**Rochester.rr.com

-----Original Message-----
From: DCHAS-L Discussion List [mailto:dchas-l**At_Symbol_Here**med.cornell.edu] On Behalf Of Williams, Mark
Sent: Friday, June 03, 2016 8:16 AM
To: DCHAS-L**At_Symbol_Here**MED.CORNELL.EDU
Subject: [DCHAS-L] Air Showers

Hi All,
It has been recommended to us to use an air shower to remove hazardous nanoparticles from worker"s clothing as they exit the work area where the hazardous nanoparticles are used. This is different from the use of an air shower to remove dust and dirt from people"s clothing as they enter a clean room. I am interested in recommendations on the use of air showers to mitigate hazardous nanoparticles. Is it:
‰?¢ Legal?
‰?¢ Advisable?
‰?¢ Cost effective?
Thank you.

Mark Williams
mark.williams**At_Symbol_Here**teledyne.com
410-472-7733
Teledyne Energy Systems, Inc.
38 Loveton Cir
Sparks MD 21151

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