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A poolside chat with Bob Burkhead about lessons learned from testing, developing, and using air filters - Moderated by Tom Justice. View the slides from Mr. Burkhead's presentation: For detailed show notes, read below and use the timestamps to navigate the episode: [5:38] Bob Burkhead and Tom Justice explore the trends for testing products for filtration. Indoor air quality is more than just filters. The issues are efficiency degradation, chamber testing, and  ISO 17025 Lab certification. [10:30] Mr. Burkhead discusses efficiency degradation in detail, using an efficiency over time graph to illustrate a scenario involving filtration in a surgery room.   [14:37] Mr. Burkhead describes chamber testing and variations in techniques assembled for the ideal filtration application. He compares a single-pass testing method to a multi-pass testing method. A new room air testing standard involving a recirculating loop is currently being worked on.   [17:42] Mr. Burkhead concludes with the value of ISO 17025 Lab Certification, which provides validation and credentials for overall operation and focuses on continuous improvement. The structured decision rules and methodology should include the rest of the world. [22:29] Q & A session with Mr. Burkhead. --- Send in a voice message: https://podcasters.spotify.com/pod/show/nafahq/message Support this podcast: https://podcasters.spotify.com/pod/show/nafahq/support