We are reviewing our fume hood oversight program (we have about 400 on campus and 40+ more to be added in the next year) and are considering design requirements for new hoods. One idea we're talking about is to request that the electronic flow alarm systems NOT be installed on new hoods. Our experience is that these are not well understood by laboratory worker and the alarms are often silenced into uselessness in many laboratories. We would substitute a campus wide standard "tell tale" (i.e. a fancy Kimwipe) to be taped to the bottom of the sash so that people could assess flow in a quick, uninterruptible way. I wonder if other campuses have developed this idea and what your experience has been along these lines? Thanks for any information. - Ralph Ralph Stuart, CIH Environmental Safety Manager University of Vermont Environmental Safety Facility 667 Spear St. Burlington, VT 05405 rstuart**At_Symbol_Here**uvm.edu fax: (802)656-8682
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