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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link="#0563C1" vlink="#954F72"><div class=WordSection1><p class=MsoNormal>Dear RASMB,<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I apologize that this is not a scientific question, but this is, perhaps, a question that has come up for some on the list and I would be curious to hear how it was handled. <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>We periodically field requests to spin human serum solutions, which invariably is a health & safety problem due to the potential for a cell leak and the subsequent aerosolization of a potentially hazardous material into the lab environment. <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>As an academic lab, our resources and institutional motivation in engineering a space specific for this application are limited. Thus, one suggestion was to use third party testing of samples being submitted for analysis. However this is costly and most users have abandoned their efforts to perform these measurements as a result.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I would be curious to know if third party testing of potentially infectious materials such as human serum is commonly used within an EH&S setting, or if it is possible to place a HEPA filter in the vacuum exhaust if the instrument uses a TMP?<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Thank you in advance for any information you may be able to offer.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Best regards<o:p></o:p></p><p class=MsoNormal>John Sumida<o:p></o:p></p><p class=MsoNormal>University of Washington.<o:p></o:p></p></div></body></html>