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Editor's note: the Excel spreadsheet mentioned below can be found at the bottom of the page found at
http://www.dchas.org/file-downloads/category/40-archival-technical-information

My thanks to David for organizing the survey and summarizing the results.

- Ralph

David Rielly
RE: ANSI Z9.5 Survey Results

ANSI/AIHA Z9.5 - 2012 Laboratory Ventilation Standard
Fume Hood Minimum Airflow Survey Results

Dear Industry Professional

Just a quick note to follow-up on the recent survey request ending on February 28th. I would like to thank all who took the time to respond to the survey - in total there were 60 respondents. In particular, a sincere thanks to Ralph Stuart and DCHAS for hosting the survey.

From a summary standpoint, a handful of points can be noted:

¥ Respondents were predominantly from Academia (60%) followed by Private industry (35%) and Government entities (5%), with functional roles primarily from Health, Safety and Environment (78%).
¥ The possible number of fume hoods in this survey ranges from ~ 12,000 to 16,000.
¥ 48% of the respondents had less than 100 fume hoods, while 30% had 500 or more.
¥ Chemistry labs dominated the profile with 42%, Biology 25%, Analytical Sciences 16%, and Other 17%
¥ Of significance, in regards to the question posed to capture how many respondents would indeed be modifying the fume hood flows in response to the new guidance, 70% stated they would not be modifying their hoods,
¥ From the free form responses (e.g. "We are using an ACH ofÉ"; "We are using an equivalent work surface rate (CFM/ft2) of...") the responses varied considerably, in so much, it was not possible to chart/graph the replies. Possibly there is some confusion over terminology, or what is the intended purpose of this specific aspect of the standard.

You will find a copy of the survey questions and responses on the DCHAS site. Starting at row 68, the data from the respective columns is summarized where possible, along with some graphs to depict the results. You can also filter any of the columns to dissect the information to your choosing.

Once again, thank you for your time and effort in supporting the survey.

Regards,

David A. Rielly, CEM, LEED GA
Global Energy Manager
Global Health, Safety and Environment
Novartis Institutes for BioMedical
Research, Inc.
Cambridge, MA 02139
USA

Office +1 617.871.4414
Mobile +1 617.301.2113
david.rielly**At_Symbol_Here**novartis.com

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