Sharon, you are quite right. It is based on an 8 hour time weighted average but it could of course add to someone’s daily exposure albeit minimally.

 

 

Isn't it time weighted too,the length of time they are there is seconds as these are high speed dryers. So surely the noise shouldn't be an issue?

Sharon

"richard chalkley (IAH-C)" <[log in to unmask]> Sent by: [log in to unmask] 11/11/2010 11:37 Please respond to Occupational Health mailing list <[log in to unmask]>

To [log in to unmask] cc Subject Re: [OCC-HEALTH] paper hand towels versus air blade dryer

Frank,
 
If the operating noise level is 85 dB(A) then you add 3 dB(A) for every additional 85 dB(A) noise source so:
 
2 Airblades – 88 dB(A)
3 Airblades – 91 dB(A)
 
At 85 dB(A), if this were working machinery, you would have to offer hearing protection, above this it would have to be mandatory…
 
Perhaps stick with good old hand towels?
 
Richard.
 
From: [log in to unmask] [mailto:[log in to unmask]] On Behalf Of Frank Oakes
Sent: 11 November 2010 11:22
To: [log in to unmask]
Subject: Re: [OCC-HEALTH] paperhamd towels versus air blade dryer
 
Tnx,
 
85dB.  I am guessing that is just running.  It certainly seems higher when using it.  Just curious as a bank of them running at break times makes a lot of noise.
 
Frank
 
From: [log in to unmask] [mailto:[log in to unmask]] On Behalf Of Occupationalhealth
Sent: 11 November 2010 10:23
To: [log in to unmask]
Subject: Re: [OCC-HEALTH] paperhamd towels versus air blade dryer
 
Here is a link for the Dyson airblade spec.
 
 
http://www.dysonairblade.co.uk/specification/

 

From: [log in to unmask] [mailto:[log in to unmask]] On Behalf Of Frank Oakes
Sent: 11 November 2010 09:29
To: [log in to unmask]
Subject: Re: [OCC-HEALTH] paperhamd towels versus air blade dryer
 
Has anyone looked into the noise levels of a Dyson airblade?
 
Frank
 
From: [log in to unmask] [mailto:[log in to unmask]] On Behalf Of Diane Romano-Woodward
Sent: 11 November 2010 00:29
To: [log in to unmask]
Subject: [OCC-HEALTH] paperhamd towels versus air blade dryer
 
If you havent used a Dyson Airblade you don't know how different and how efficient they are . They are commonly found in hospitals in Leicestershire
The Dyson website is useful
http://www.dysonairblade.co.uk/

and an erudite paper from 2010
Comparative evaluation of the hygienic efficacy of an
ultra-rapid hand dryer vs conventional warm air hand
dryers
A.M. Snelling1, T. Saville2, D. Stevens2 and C.B. Beggs1
http://media.dyson.com/downloads/UK/airblade/pdf/journalOfAppliedMicrobiology.pdf

Just to clarify I am not on commission and don't hold shares!
Personally I love the Airblade...

Cheers
Diane

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