Guest guest Posted September 17, 2009 Report Share Posted September 17, 2009 Has anybody dealt with an HVAC-related discharge consisting of a black smudgy debris that periodically accumulates on horizontal surfaces? The building manager of this area believes that the debris was related to a deteriorating fan belt. The building manger is interested in determining what the debris could consist of and whether or not this could present a risk to occupants. I'm looking for some suggestions/directions and an analytical lab that can provide support for characterizing the debris. Any help is greatly appreciated. Thanks in advance, Quote Link to comment Share on other sites More sharing options...
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