http://www.particlecounters.org/blog/discover-which-particle-sizes-you-need-to-monitor-from-this-particle-size-chart/ A blog dedicated to particle counters with information about particle counter technology, applications, cleanrooms and related topics. Sat, 24 Apr 2010 12:03:08 +0000 http://wordpress.org/?v=2.9.1 hourly 1 http://www.particlecounters.org/blog/discover-which-particle-sizes-you-need-to-monitor-from-this-particle-size-chart/comment-page-1/#comment-6796 cris Mon, 25 May 2009 01:18:50 +0000 http://www.particlecounters.org/blog/discover-which-particle-sizes-you-need-to-monitor-from-this-particle-size-chart/#comment-6796 is it a requirement under an ISO 7 or 8 class to monitor the .5uM and 5uM? do we need to choose between the two? what would be the implication? is it a requirement under an ISO 7 or 8 class to monitor the .5uM and 5uM? do we need to choose between the two? what would be the implication?

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